Equibles

6-K

MIZUHO FINANCIAL GROUP INC (MFG)

6-K 2023-11-29 For: 2023-11-29
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Added on April 05, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2023

Commission File Number 001-33098

Mizuho Financial Group, Inc.

(Translation of registrant’s name into English)

5-5, Otemachi 1-chome

Chiyoda-ku, Tokyo 100-8176

Japan

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  ☒    Form 40-F  ☐

THIS REPORT ON FORM 6-K SHALL BE DEEMED TO BE INCORPORATED BY REFERENCE INTO THE PROSPECTUS FORMING A PART OF MIZUHO FINANCIAL GROUP, INC.’S REGISTRATION STATEMENT ON FORM F-3 (FILE NO. 333-266555) AND TO BE A PART OF SUCH PROSPECTUS FROM THE DATE ON WHICH THIS REPORT IS FURNISHED, TO THE EXTENT NOT SUPERSEDED BY DOCUMENTS OR REPORTS SUBSEQUENTLY FILED OR FURNISHED.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: November 29, 2023
Mizuho Financial Group, Inc.
By: /s/ Takefumi Yonezawa
Name: Takefumi Yonezawa
Title: Senior Executive Officer / Group CFO

UNAUDITED INTERIM CONSOLIDATED JAPANESE GAAP FINANCIAL STATEMENTS

AS OF AND FOR THE SIX MONTHS ENDED SEPTEMBER 30, 2023

On November 29, 2023, we published our unaudited interim consolidated financial statements as of and for the six months ended September 30, 2023 prepared in accordance with Japanese GAAP as part of our interim securities report (shihanki hokokusho) for the same period filed by us with the relevant Japanese authorities. We have included in this report on Form 6-K an English translation of the unaudited interim consolidated financial statements and the notes thereto included in such interim securities report. Japanese GAAP differs in certain respects from U.S. GAAP. For a description of certain differences between U.S. GAAP and Japanese GAAP, see “Item 5. Operating and Financial Review and Prospects—Reconciliation with Japanese GAAP” in our most recent annual report on Form 20-F filed with the U.S. Securities Exchange Commission.

- 1 -

Financial Information

1. Mizuho Financial Group, Inc. (“MHFG”) is a specified business company under Article 17-15, Paragraph 2 of the Cabinet Office Ordinance on Disclosure of Corporate Information, etc. and prepares the interim consolidated financial statements in the second quarter.
2. The interim consolidated financial statements of MHFG are prepared in accordance with the “Ordinance on<br>the Terminology, Forms, and Preparation Methods of Interim Consolidated Financial Statements” (Ordinance of the Ministry of Finance No. 24 of 1999). The classification of assets and liabilities and that of income and expenses are in<br>accordance with the “Ordinance for Enforcement of the Banking Act” (Ordinance of the Ministry of Finance No. 10 of 1982).
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3. Ernst & Young ShinNihon LLC conducted a semiannual audit on the interim consolidated financial<br>statements of MHFG for the six months ended September 30, 2023, pursuant to Article 193-2, Paragraph 1 of the Financial Instruments and Exchange Act.
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- 2 -

I. Interim Consolidated Financial Statements

(1) Interim Consolidated Balance Sheet

(Millions of yen)
As ofMarch 31, 2023 As ofSeptember 30, 2023
Assets
Cash and Due from Banks *5 67,152,100 *5 61,662,312
Call Loans and Bills Purchased 1,386,895 712,060
Receivables under Resale Agreements 11,693,419 15,330,648
Guarantee Deposits Paid under Securities Borrowing Transactions 1,897,429 1,818,271
Other Debt Purchased 3,836,735 4,125,400
Trading Assets *5 17,404,494 *5 24,270,846
Money Held in Trust 514,607 559,492
Securities *1, *2, *3, *5, *12 37,363,140 *1, *2, *3, *5, *12 44,661,725
Loans and Bills Discounted *3, *4, *5, *6 88,687,155 *3, *4, *5, *6 91,855,614
Foreign Exchange Assets *3, *4 2,408,587 *3, *4 2,583,297
Derivatives other than for Trading Assets 2,184,875 3,833,773
Other Assets *3, *5 8,689,547 *3, *5 8,681,027
Tangible Fixed Assets *7, *8 1,105,851 *7, *8 1,108,940
Intangible Fixed Assets 572,719 599,695
Net Defined Benefit Asset 859,271 819,565
Deferred Tax Assets 316,168 303,740
Customers’ Liabilities for Acceptances and Guarantees *3 8,905,643 *3 9,978,053
Reserves for Possible Losses on Loans (720,437 ) (712,637 )
Reserve for Possible Losses on Investments (1 ) (3 )
Total Assets 254,258,203 272,191,823

- 3 -

(Millions of yen)
As ofMarch 31, 2023 As ofSeptember 30, 2023
Liabilities
Deposits *5 150,498,976 *5 147,099,489
Negotiable Certificates of Deposit 13,788,347 17,855,751
Call Money and Bills Sold 1,814,873 1,584,268
Payables under Repurchase Agreements *5 25,735,560 *5 33,179,696
Guarantee Deposits Received under Securities Lending Transactions *5 757,842 *5 1,091,342
Commercial Paper 1,782,111 1,557,579
Trading Liabilities 12,698,007 17,159,975
Borrowed Money *5, *9 4,155,480 *5, *9 4,800,688
Foreign Exchange Liabilities 671,552 852,720
Short-term Bonds 477,141 486,889
Bonds and Notes *10 11,371,189 *10 12,039,513
Due to Trust Accounts 1,534,097 1,083,338
Derivatives other than for Trading Liabilities 2,749,138 5,016,432
Other Liabilities 7,777,025 8,460,989
Reserve for Bonus Payments 126,694 85,401
Reserve for Variable Compensation 2,381 1,261
Net Defined Benefit Liability 68,429 68,555
Reserve for Director and Corporate Auditor Retirement Benefits 539 536
Reserve for Possible Losses on Sales of Loans 15,049 11,536
Reserve for Contingencies 13,706 19,290
Reserve for Reimbursement of Deposits 13,695 12,160
Reserve for Reimbursement of Debentures 7,798 6,272
Reserves under Special Laws 3,352 3,352
Deferred Tax Liabilities 22,391 25,324
Deferred Tax Liabilities for Revaluation Reserve for Land *7 58,711 *7 57,986
Acceptances and Guarantees 8,905,643 9,978,053
Total Liabilities 245,049,740 262,538,407
Net Assets
Common Stock 2,256,767 2,256,767
Capital Surplus 1,129,267 1,129,267
Retained Earnings 5,093,911 5,401,659
Treasury Stock (8,786 ) (8,439 )
Total Shareholders’ Equity 8,471,160 8,779,254
Net Unrealized Gains (Losses) on Other Securities 564,495 464,720
Deferred Gains or Losses on Hedges (358,102 ) (294,287 )
Revaluation Reserve for Land *7 129,321 *7 127,792
Foreign Currency Translation Adjustments 144,093 342,883
Remeasurements of Defined Benefit Plans 182,306 156,359
Own Credit Risk Adjustments, Net of Tax 19 48
Total Accumulated Other Comprehensive Income 662,133 797,516
Stock Acquisition Rights 5 5
Non-controlling Interests 75,163 76,638
Total Net Assets 9,208,463 9,653,415
Total Liabilities and Net Assets 254,258,203 272,191,823

- 4 -

(2) Interim Consolidated Statement of Income and Interim Consolidated Statement of Comprehensive Income

Interim Consolidated Statement of Income

(Millions of yen)
For the six monthsendedSeptember 30, 2022 For the six monthsendedSeptember 30, 2023
Ordinary Income 2,944,948 4,244,507
Interest Income 1,169,193 2,706,494
Interest on Loans and Bills Discounted 686,794 1,361,163
Interest and Dividends on Securities 178,938 293,228
Fiduciary Income 29,313 30,458
Fee and Commission Income 418,579 485,482
Trading Income 919,840 725,069
Other Operating Income 323,050 194,063
Other Ordinary Income *1 84,971 *1 102,938
Ordinary Expenses 2,505,666 3,670,413
Interest Expenses 657,161 2,251,880
Interest on Deposits 226,344 832,381
Fee and Commission Expenses 85,407 101,128
Trading Expenses 864,053 432,114
Other Operating Expenses 99,571 43,524
General and Administrative Expenses 706,446 782,989
Other Ordinary Expenses *2 93,026 *2 58,775
Ordinary Profits 439,282 574,093
Extraordinary Gains *3 12,703 *3 24,072
Extraordinary Losses *4 6,929 *4 1,842
Income before Income Taxes 445,057 596,323
Income Taxes:
Current 61,866 134,897
Deferred 45,446 43,760
Total Income Taxes 107,313 178,658
Profit 337,743 417,665
Profit Attributable to Non-controlling Interests 3,779 1,911
Profit Attributable to Owners of Parent 333,964 415,753

- 5 -

Interim Consolidated Statement of Comprehensive Income

(Millions of yen)
For the six months endedSeptember 30, 2022 For the six months endedSeptember 30, 2023
Profit 337,743 417,665
Other Comprehensive Income (389,182 ) 139,992
Net Unrealized Gains (Losses) on Other Securities (603,190 ) (98,538 )
Deferred Gains or Losses on Hedges (19,095 ) 64,183
Foreign Currency Translation Adjustments 232,335 182,210
Remeasurements of Defined Benefit Plans (23,596 ) (25,736 )
Own Credit Risk Adjustments, Net of Tax 9 28
Share of Other Comprehensive Income of Associates Accounted for Using Equity Method 24,355 17,844
Comprehensive Income (51,438 ) 557,657
(Breakdown)
Comprehensive Income Attributable to Owners of Parent (56,285 ) 552,666
Comprehensive Income Attributable to Non-controlling<br>Interests 4,846 4,991

- 6 -

(3) Interim Consolidated Statement of Changes in Net Assets

For the six months ended September 30, 2022

(Millions of yen)
Shareholders’ Equity
Common Stock Capital Surplus Retained Earnings Treasury Stock TotalShareholders’<br>Equity
Balance as of the beginning of the period 2,256,767 1,125,324 4,756,435 (8,342 ) 8,130,185
Changes during the period
Cash Dividends (101,542 ) (101,542 )
Profit Attributable to Owners of Parent 333,964 333,964
Repurchase of Treasury Stock (1,940 ) (1,940 )
Disposition of Treasury Stock (133 ) 1,730 1,597
Transfer from Revaluation Reserve for Land 584 584
Change in Treasury Shares of Parent Arising from Transactions with Noncontrolling<br>Shareholders 4,064 4,064
Transfer from Retained Earnings to Capital Surplus 133 (133 ) —
Net Changes in Items other than Shareholders’ equity
Total Changes during the period — 4,064 232,872 (209 ) 236,726
Balance as of the end of the period 2,256,767 1,129,388 4,989,307 (8,552 ) 8,366,911
Accumulated Other Comprehensive Income Stock<br>Acquisition<br>Rights Non-<br>controlling<br>Interests Total Net<br>Assets
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Net Unrealized<br>Gains (Losses)<br>onOther<br>Securities Deferred Gains<br>or Losseson<br>Hedges Revaluation<br>Reservefor<br>Land Foreign<br>Currency<br>Translation<br><br>Adjustments Remeasurements<br>of Defined<br>BenefitPlans OwnCredit<br>Risk<br>Adjustments,<br>Net of Tax Total<br>Accumulated<br>Other<br>Comprehensive<br>Income
Balance as of the beginning of the period 719,822 (76,757 ) 132,156 2,346 169,652 (23 ) 947,197 94 123,555 9,201,031
Changes during the period
Cash Dividends (101,542 )
Profit Attributable to Owners of Parent 333,964
Repurchase of Treasury Stock (1,940 )
Disposition of Treasury Stock 1,597
Transfer from Revaluation Reserve for Land 584
Change in Treasury Shares of Parent Arising from Transactions with Noncontrolling<br>Shareholders 4,064
Transfer from Retained Earnings to Capital Surplus —
Net Changes in Items other than Shareholders’ equity (601,064 ) (19,462 ) (584 ) 253,991 (23,722 ) 9 (390,833 ) (88 ) (50,781 ) (441,703 )
Total Changes during the period (601,064 ) (19,462 ) (584 ) 253,991 (23,722 ) 9 (390,833 ) (88 ) (50,781 ) (204,976 )
Balance as of the end of the period 118,757 (96,220 ) 131,572 256,338 145,929 (13 ) 556,363 5 72,774 8,996,055

- 7 -

For the six months ended September 30, 2023

(Millions of yen)
Shareholders’ Equity
Common Stock Capital Surplus Retained Earnings Treasury Stock TotalShareholders’<br>Equity
Balance as of the beginning of the period 2,256,767 1,129,267 5,093,911 (8,786 ) 8,471,160
Cumulative Effects of Changes in Accounting Policies 1,883 1,883
Balance as of the beginning of the period reflecting Changes in Accounting Policies 2,256,767 1,129,267 5,092,027 (8,786 ) 8,469,276
Changes during the period
Cash Dividends (107,882 ) (107,882 )
Profit Attributable to Owners of Parent 415,753 415,753
Repurchase of Treasury Stock (2,360 ) (2,360 )
Disposition of Treasury Stock 0 2,706 2,706
Transfer from Revaluation Reserve for Land 1,529 1,529
Changes in Retained Earnings by Decreasing of Equity Method Affiliates and Others 231 231
Net Changes in Items other than Shareholders’ equity
Total Changes during the period — 0 309,631 346 309,978
Balance as of the end of the period 2,256,767 1,129,267 5,401,659 (8,439 ) 8,779,254
Accumulated Other Comprehensive Income Stock<br>Acquisition<br>Rights Non-<br>controlling<br>Interests Total Net<br>Assets
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Net Unrealized<br>Gains (Losses)<br>onOther<br>Securities Deferred Gains<br>or Losseson<br>Hedges Revaluation<br>Reservefor<br>Land Foreign<br>Currency<br>Translation<br><br>Adjustments Remeasurements<br>of Defined<br>BenefitPlans OwnCredit<br>Risk<br>Adjustments,<br>Net of Tax Total<br>Accumulated<br>Other<br>Comprehensive<br>Income
Balance as of the beginning of the period 564,495 (358,102 ) 129,321 144,093 182,306 19 662,133 5 75,163 9,208,463
Cumulative Effects of Changes in Accounting Policies — 1,883
Balance as of the beginning of the period reflecting Changes in Accounting Policies 564,495 (358,102 ) 129,321 144,093 182,306 19 662,133 5 75,163 9,206,579
Changes during the period
Cash Dividends (107,882 )
Profit Attributable to Owners of Parent 415,753
Repurchase of Treasury Stock (2,360 )
Disposition of Treasury Stock 2,706
Transfer from Revaluation Reserve for Land 1,529
Changes in Retained Earnings by Decreasing of Equity Method Affiliates and Others 231
Net Changes in Items other than Shareholders’ equity (99,774 ) 63,815 (1,529 ) 198,790 (25,947 ) 28 135,382 — 1,475 136,857
Total Changes during the period (99,774 ) 63,815 (1,529 ) 198,790 (25,947 ) 28 135,382 — 1,475 446,835
Balance as of the end of the period 464,720 (294,287 ) 127,792 342,883 156,359 48 797,516 5 76,638 9,653,415

- 8 -

(4) Interim Consolidated Statement of Cash Flows

(Millions of yen)
For the six months ended<br>September 30, 2022 For the six months ended<br>September 30, 2023
Cash Flow from Operating Activities
Income before Income Taxes 445,057 596,323
Depreciation 79,776 82,469
Losses on Impairment of Fixed Assets 2,881 321
Amortization of Goodwill 1,889 1,915
Equity in Loss (Gain) from Investments in Affiliates (14,491 ) (23,565 )
Increase (Decrease) in Reserves for Possible Losses on Loans (97,338 ) (26,835 )
Increase (Decrease) in Reserve for Possible Losses on Investments (106 ) 1
Increase (Decrease) in Reserve for Possible Losses on Sales of Loans 6,759 (3,513 )
Increase (Decrease) in Reserve for Contingencies 2,419 3,004
Increase (Decrease) in Reserve for Bonus Payments (59,864 ) (49,854 )
Increase (Decrease) in Reserve for Variable Compensation (1,092 ) (1,119 )
Decrease (Increase) in Net Defined Benefit Asset (5,329 ) 19,243
Increase (Decrease) in Net Defined Benefit Liability (2,108 ) (1,730 )
Increase (Decrease) in Reserve for Director and Corporate Auditor Retirement Benefits (85 ) (3 )
Increase (Decrease) in Reserve for Reimbursement of Deposits (1,969 ) (1,534 )
Increase (Decrease) in Reserve for Reimbursement of Debentures (1,538 ) (1,526 )
Interest Income - accrual basis (1,169,193 ) (2,706,494 )
Interest Expenses - accrual basis 657,161 2,251,880
Losses (Gains) on Securities (15,610 ) (57,339 )
Losses (Gains) on Money Held in Trust 71 356
Foreign Exchange Losses (Gains) - net (1,276,179 ) (940,408 )
Losses (Gains) on Disposition of Fixed Assets 3,402 (3,769 )
Losses (Gains) on Cancellation of Employee Retirement Benefit Trust (12,057 ) (18,782 )
Decrease (Increase) in Trading Assets (5,951,913 ) (5,804,642 )
Increase (Decrease) in Trading Liabilities 4,885,023 3,754,559
Decrease (Increase) in Derivatives other than for Trading Assets (1,875,956 ) (1,586,509 )
Increase (Decrease) in Derivatives other than for Trading Liabilities 2,187,346 2,212,090
Decrease (Increase) in Loans and Bills Discounted (3,952,700 ) 252,728
Increase (Decrease) in Deposits 691,044 (6,646,951 )
Increase (Decrease) in Negotiable Certificates of Deposit 4,317,395 3,258,637
Increase (Decrease) in Borrowed Money (excluding Subordinated Borrowed Money) (3,604,330 ) 628,542
Decrease (Increase) in Due from Banks (excluding Due from Central Banks) (91 ) 102,408
Decrease (Increase) in Call Loans, etc. (1,396,877 ) (2,117,802 )
Decrease (Increase) in Guarantee Deposits Paid under Securities Borrowing Transactions (17,404 ) 79,157
Increase (Decrease) in Call Money, etc. 1,301,027 4,861,463
Increase (Decrease) in Commercial Paper (526,538 ) (438,587 )
Increase (Decrease) in Guarantee Deposits Received under Securities Lending Transactions 56,509 333,499
Decrease (Increase) in Foreign Exchange Assets (337,827 ) 29,605
Increase (Decrease) in Foreign Exchange Liabilities (834,007 ) 177,391
Increase (Decrease) in Short-term Bonds (Liabilities) (38,395 ) 9,747
Increase (Decrease) in Bonds and Notes 1,020,232 85,465
Increase (Decrease) in Due to Trust Accounts (28,698 ) (450,758 )
Interest and Dividend Income - cash basis 1,109,761 2,597,879
Interest Expenses - cash basis (617,596 ) (2,247,681 )
Other - net 1,217,049 856,211
Subtotal (3,854,495 ) (934,503 )
Cash Refunded (Paid) in Income Taxes (32,406 ) (209,751 )
Net Cash Provided by (Used in) Operating Activities (3,886,901 ) (1,144,255 )

- 9 -

(Millions of yen)
For the six months ended<br>September 30, 2022 For the six months ended<br>September 30, 2023
Cash Flow from Investing Activities
Payments for Purchase of Securities (45,927,277 ) (45,547,491 )
Proceeds from Sale of Securities 27,908,568 18,823,965
Proceeds from Redemption of Securities 23,785,601 20,695,428
Payments for Increase in Money Held in Trust (2,638 ) (47,958 )
Proceeds from Decrease in Money Held in Trust 32,479 2,329
Payments for Purchase of Tangible Fixed Assets (29,059 ) (25,734 )
Payments for Purchase of Intangible Fixed Assets (50,273 ) (78,099 )
Proceeds from Sale of Tangible Fixed Assets 2,361 9,824
Payment from purchase of Stocks of Subsidiaries (affecting the scope of consolidation) (3,832 ) —
Payment from Sales of Stocks of Subsidiaries (affecting the scope of consolidation) — 7,927
Net Cash Provided by (Used in) Investing Activities 5,715,930 (6,159,809 )
Cash Flow from Financing Activities
Repayments of Subordinated Borrowings (15,000 ) —
Proceeds from Issuance of Subordinated Bonds — 499,000
Payments for Redemption of Subordinated Bonds (309,615 ) (95,000 )
Proceeds from Investments by Non-controlling<br>Shareholders 200 23
Repayments to Non-controlling Shareholders (334 ) —
Cash Dividends Paid (101,546 ) (107,843 )
Cash Dividends Paid to Non-controlling<br>Shareholders (10,408 ) (3,534 )
Payments from purchase of shares of subsidiaries not resulting in change in scope of<br>consolidation (41,307 ) —
Payments for Repurchase of Treasury Stock (1,269 ) (2,360 )
Proceeds from Sale of Treasury Stock 1,008 2,706
Net Cash Provided by (Used in) Financing Activities (478,273 ) 292,991
Effect of Foreign Exchange Rate Changes on Cash and Cash Equivalents 1,602,656 1,495,963
Net Increase (Decrease) in Cash and Cash Equivalents 2,953,411 (5,515,109 )
Cash and Cash Equivalents at the beginning of the period 50,136,300 65,825,681
Cash and Cash Equivalents at the end of the period *1 53,089,712 *1 60,310,571

- 10 -

Notes to Interim Consolidated Financial Statements

Fundamental and Important Matters for the Preparation of Interim Consolidated Financial Statements

1. Scope of Consolidation
(1) Number of consolidated subsidiaries: 188
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Names of principal companies:

Mizuho Bank, Ltd.

Mizuho Trust & Banking Co., Ltd.

Mizuho Securities Co., Ltd.

Change in scope of consolidation

During the six months ended September 30, 2023, Mizuho Innovation Frontier Co., Ltd. and twenty other companies were newly included in the scope of consolidation as a result of establishment.

During the six months ended September 30, 2023, Mizuho Securities Principal Investment Co., Ltd. and ten other companies were excluded from the scope of consolidation as a result of dissolution and other factors.

(2) Number of non-consolidated subsidiaries: 0
2. Application of the Equity Method
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(1) Number of non-consolidated subsidiaries under the equity method: 0<br>
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(2) Number of affiliates under the equity method: 23
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Names of principal companies:

Custody Bank of Japan, Ltd.

Orient Corporation

Mizuho Leasing Company, Limited

Change in scope of equity method

During the six months ended September 30, 2023, LINE Bank Preparatory Company and another company were excluded from the scope of the equity method as a result of dissolution and another factor.

(3) Number of non-consolidated subsidiaries not under the equity method: 0<br>
(4) Affiliates not under the equity method:
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Pec International Leasing Co., Ltd.

Affiliates not under the equity method are excluded from the scope of the equity method since such exclusion has no material effect on MHFG’s interim consolidated financial statements in terms of Net Income (Loss) (amount corresponding to MHFG’s equity position), Retained Earnings (amount corresponding to MHFG’s equity position), Accumulated Other Comprehensive Income (amount corresponding to MHFG’s equity position) and others.

3. Interim Balance Sheet Dates of Consolidated Subsidiaries
(1) Interim balance sheet dates of consolidated subsidiaries are as follows:
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June 30 42 companies
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September 30 146 companies
(2) Consolidated Subsidiaries were consolidated based on their interim financial statements as of and for the<br>period ended their respective interim balance sheet dates.
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The necessary adjustments have been made to the interim financial statements for any significant transactions that took place between their respective interim balance sheet dates and the date of the interim consolidated financial statements.

- 11 -

4. Standards of Accounting Method
(1) Credited Loans pursuant to Trading Securities and Trading Income & Expenses
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Credited loans held for the purpose of trading are, in line with trading securities, recognized on a trade date basis and recorded in Other Debt Purchased on the interim consolidated balance sheet. Other Debt Purchased related to the relevant credited loans is stated at fair value at the interim consolidated balance sheet date.

Interest received and the gains or losses on the sale of the relevant credited loans during the six months ended September 30, 2023, including the gains or losses resulting from any change in the value between the beginning and the end of the six months ended September 30, 2023, are recognized in Other Operating Income and Other Operating Expenses on the interim consolidated statement of income.

(2) Trading Assets & Liabilities and Trading Income & Expenses

Trading transactions intended to take advantage of short-term fluctuations and arbitrage opportunities in interest rates, currency exchange rates, market prices of securities and related indices are recognized on a trade date basis and recorded in Trading Assets or Trading Liabilities on the interim consolidated balance sheet. Income or expenses generated on the relevant trading transactions are recorded in Trading Income or Trading Expenses on the interim consolidated statement of income.

Securities and other monetary claims held for trading purposes are stated at fair value at the interim consolidated balance sheet date. Derivative financial products, such as swaps, futures and option transactions, are stated at fair value, assuming that such transactions are terminated and settled at the interim consolidated balance sheet date.

Trading Income and Trading Expenses include the interest received and the interest paid during the six months ended September 30, 2023, the gains or losses resulting from any change in the value of securities and other monetary claims between the beginning and the end of the six months ended September 30, 2023, and the gains or losses resulting from any change in the value of financial derivatives between the beginning and the end of the six months ended September 30, 2023, assuming they were settled at the end of the six months ended September 30, 2023.

For financial derivatives, fair value is calculated on the basis of net assets or liabilities after offsetting financial assets and liabilities with respect to specific market risks and specific credit risk.

(3) Securities
(a) Bonds held to maturity are stated at amortized cost (straight-line method) and determined by the moving average<br>method. Investments in affiliates not under the equity method are stated at acquisition cost and determined by the moving average method. Other Securities are stated at market price (cost of securities sold is calculated primarily by the moving<br>average method). Stocks and others without a quoted market price are stated at acquisition cost and determined by the moving average method.
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The net unrealized gains (losses) on Other Securities are included directly in Net Assets, net of applicable income taxes after excluding gains and losses as a result of the fair-value hedge method.

(b) Securities which are held as trust assets in Money Held in Trust accounts are valued in the same way as<br>described in (a) above.
(4) Derivative Transactions
--- ---

Derivative transactions (other than transactions for trading purposes) are valued at fair value.

Fair value is calculated on the basis of net assets or liabilities after offsetting financial assets and liabilities with respect to specific market risks and specific credit risk.

(5) Depreciation of Fixed Assets
1) Tangible Fixed Assets (Except for Lease Assets)
--- ---

Depreciation of buildings is computed mainly by the straight-line method, and that of others is computed mainly by the declining-balance method. The amount based on estimated annual depreciation expenses is allocated to each period.

- 12 -

The range of useful lives is as follows:

Buildings 3 years to 50 years
Others 2 years to 20 years
2) Intangible Fixed Assets (Except for Lease Assets)
--- ---

Amortization of Intangible Fixed Assets is computed by the straight-line method. Development costs for internally-used software are capitalized and amortized over their estimated useful lives of mainly from five to ten years as determined by MHFG and consolidated subsidiaries.

3) Lease Assets

Depreciation of lease assets booked in Tangible Fixed Assets and Intangible Fixed Assets which are concerned with finance lease transactions that do not transfer ownership is mainly computed by the same method as the one applied to fixed assets owned by us.

(6) Deferred Assets

Bond issuance costs are expensed as incurred.

(7) Reserves for Possible Losses on Loans

Reserves for Possible Losses on Loans of major domestic consolidated subsidiaries are maintained in accordance with internally established standards for write-offs and reserve provisions.

For claims extended to obligors that are legally bankrupt under the Bankruptcy Law, Special Liquidation under the Company Law or other similar laws (“Bankrupt Obligors”), and to obligors that are effectively in similar conditions (“Substantially Bankrupt Obligors”), reserves are maintained at the amounts of claims net of direct write-offs described below and the expected amounts recoverable from the disposition of collateral and the amounts recoverable under guarantees. For claims extended to obligors that are not yet legally or formally bankrupt but are likely to be bankrupt (“Intensive Control Obligors”), reserves are maintained at the amounts deemed necessary based on overall solvency analyses of the amounts of claims net of expected amounts recoverable from the disposition of collateral and the amounts recoverable under guarantees.

For claims extended to Intensive Control Obligors and Obligors with Restructured Loans and others, if the exposure to an obligor exceeds a certain specific amount, reserves are provided as follows: (i) if future cash flows of the principal and interest can be reasonably estimated, the discounted cash flow method is applied, under which the reserve is determined as the difference between the book value of the loan and its present value of future cash flows discounted using the contractual interest rate before the loan was classified as a Restructured Loan, and (ii) if future cash flows of the principal and interest cannot be reasonably estimated, reserves are provided for the losses estimated for each individual loan.

For claims extended to other obligors, reserves for the next one year or three years are maintained at rates derived from historical credit loss experience or historical bankruptcy experience for one or three years and making necessary adjustments such as future prospects and others. Reserve for Possible Losses on Loans to Restructuring Countries is maintained in order to cover possible losses based on analyses of the political and economic climates of the countries.

All claims are assessed by each claim origination department in accordance with the internally established “Self-assessment Standard,” and the results of the assessments are verified and examined by the independent examination departments.

In the case of claims to Bankrupt Obligors and Substantially Bankrupt Obligors, which are collateralized or guaranteed by a third party, the amounts deemed uncollectible (calculated by deducting the anticipated proceeds from the sale of collateral pledged against the claims and amounts that are expected to be recovered from guarantors of the claims) are written off against the respective claims balances. The total directly written-off amount was ¥107,244 million (¥87,534 million at the end of the fiscal year ended March 31, 2023).

- 13 -

Other consolidated subsidiaries provide the amount necessary to cover the loan losses based upon past experience and other factors for general claims and the assessment for each individual loan for other claims.

(Additional Information)

In light of the principles set forth in the report entitled “JFSA’s supervisory approaches to lending business and loan loss provisioning” published by JFSA in December 18, 2019, we have reflected the potential impact of macroeconomic uncertainty and others on credit risks on Reserves for Possible Losses on Loans for some credit. More specifically, we estimate the expected losses using the assumptions adjusted for factors such as the Russia-Ukraine situation, the US-China confrontation and others in addition to the recovery of inbound tourist demand following the end of COVID-19, the inflation of import prices and others due to the depreciation of the yen and others. These assumptions include the forecasted GDP growth rate, energy prices, financial variables including interest rates and exchange rates, the future outlook of the business environment for specific portfolio segments, increased rate of labor cost, and the impact of the downturn of the semiconductor market and its potential prolongation. There are no material changes in the methods of the above accounting estimates and the major assumptions used in the consolidated financial statements from those of the previous fiscal year.

In addition, expected losses which are assumed may occur in the future due to difficulties in foreign currency cash management influenced by economic sanctions against Russia, in claims for which transfer risk has not been avoided, are recognized as Reserve for Possible Losses on Loans to Restructuring Countries. The expected losses are calculated based on evaluation of Russian country risk and past defaults which are announced by external rating firms and others. The amount of Reserve for Possible Losses on Loans to Restructuring Countries for the six months ended September 30, 2023 is ¥40,647 million, which includes ¥38,962 million against the claims related to Russia.

(8) Reserve for Possible Losses on Investments

Reserve for Possible Losses on Investments is maintained to provide against possible losses on investments in securities, after taking into consideration the financial condition and other factors concerning the investee company.

(9) Reserve for Bonus Payments

Reserve for Bonus Payments, which is provided for future bonus payments to employees, is maintained at the amount accrued at the end of the six months ended September 30, 2023, based on the estimated future payments.

(10) Reserve for Variable Compensation

To prepare for the payments of performance payments and stock compensation to be paid as variable compensation within compensation for directors, group executive officers and operating officers of Mizuho Financial Group, Inc., Mizuho Bank, Ltd., Mizuho Trust & Banking Co., Ltd., Mizuho Securities Co., Ltd., and certain consolidated subsidiaries, the amount accrued at the end of the six months ended September 30, 2023 among the estimated payments based on the standard amount regarding variable compensation of the fiscal year ending March 31, 2023 is provided.

(11) Reserve for Director and Corporate Auditor Retirement Benefits

Reserve for Director and Corporate Auditor Retirement Benefits, which is provided for future retirement benefit payments to directors, corporate auditors, and executive officers, is recognized at the amount accrued by the end of the six months ended September 30, 2023, based on the internally established standards.

(12) Reserve for Possible Losses on Sales of Loans

Reserve for Possible Losses on Sales of Loans is provided for possible future losses on sales of loans at the amount deemed necessary based on a reasonable estimate of possible future losses.

(13) Reserve for Contingencies

Reserve for Contingencies is maintained to provide against possible losses from contingencies which are not covered by other specific reserves. The balance is an estimate of possible future losses considered to require a reserve.

- 14 -

(14) Reserve for Reimbursement of Deposits

Reserve for Reimbursement of Deposits is provided against the losses for the deposits derecognized from liabilities at the estimated amount of future claims for withdrawal by depositors.

(15) Reserve for Reimbursement of Debentures

Reserve for Reimbursement of Debentures is provided for the debentures derecognized from liabilities at the estimated amount for future claims.

(16) Reserve under Special Laws

Reserve under Special Laws is Reserve for Contingent Liabilities from Financial Instruments and Exchange.

This is the reserve pursuant to Article 46-5 of the Financial Instruments and Exchange Law and Article 175 of the Cabinet Office Ordinance regarding Financial Instruments Business, etc. to indemnify the losses incurred from accidents in the purchase and sale of securities, other transactions or derivative transactions.

(17) Accounting Method for Retirement Benefits

In calculating retirement benefit obligations, a benefit formula basis is used as a method of attributing expected retirement benefits to the period up to the end of the six months ended September 30, 2023.

Unrecognized prior service cost and unrecognized actuarial differences are recognized as follows:

Unrecognized prior service cost: Recognized mainly as income or expenses in the period of occurrence.

Unrecognized actuarial difference: Recognized as income or expenses from the following fiscal year under the straight-line method over a certain term within the average remaining service period of the employees (mainly 10 years) of the respective fiscal years.

Certain consolidated subsidiaries apply the simplified method that assumes the amount required for voluntary resignation at the end of the six months ended September 30, 2023 to be retirement benefit obligations in computing net defined benefit liability and retirement benefit expenses.

(18) Revenues

Securities-related business fees mainly consist of brokerage fees and commissions, and asset-based revenues. Brokerage fees and commissions include fees earned from the execution of customer transactions and sales commissions of stocks, bonds and investment trusts, which are recognized at the point in time on transaction date with the customer. Asset-based revenues include fees received from investment trust management companies in return for administration services, such as record keeping services, of investment trusts, which are recognized over time in the period when the related service is provided.

Deposits and Lending business fees consist of Deposit-related fees and Lending-related fees. Deposit related fees are within the scope of “Accounting Standard for Revenue Recognition”, while most of Lending-related fees such as commitment fees and arrangement fees are not. Deposit-related fees include account transfer fees, which are recognized at the point in time on transaction date with the customer or at the point in time when the related service is provided.

Remittance business fees include service charges for domestic and international funds transfers and collections, which are recognized at the point in time when the related service is provided.

Trust-related business fees mainly consist of brokerage commissions of real estate property, consulting fees of real estate property and charged of stock transfer agent services. Brokerage commissions of real estate property are commissions that are received as consideration for services related to real estate brokerage, and are recognized in principle at the time of the conclusion of a sales contract for the subject real estate or trust beneficiary rights. Consulting fees of real estate property are commissions that are received as consideration for services related to real estate consulting, which are recognized at the point in time when the related service is provided or over time in the period when the related service is provided. Stock transfer agent service fees are commissions that are received as consideration for services related to transfer agent business and associated services, which are recognized at the point in time when the related service is provided or over time in the period when the related service is provided.

- 15 -

Agency business fees mainly consist of administration service fees related to MHFG Group’s agency business such as Japan’s principal public lottery program and revenues from standing proxy services related to stocks and others, which are recognized at the point in time when the related service is provided or over time in the period when the related service is provided.

Fees for other customer services include various revenues such as sales commissions of life insurance, service charges for electronic banking, financial advisory fees, and service charges for software development.

Sales commissions of life insurance are received in return for selling insurance products and recognized mainly at the point in time on transaction date with the customer. Service charges for electronic banking are mainly monthly basic usage fees and recognized over time in the period when the related service is provided.

Financial advisory fees are received as consideration for services supporting market research and business strategy planning, which are recognized over time in the period when the related service is provided. Service charges for software development are recognized mainly over time in the period when the related service is provided.

Fiduciary income mainly consists of trust fees earned through fiduciary asset management and administrative service, which are recognized at the point on creation of the trust or completion date specified in the contract, or over time in the period when the related service is provided.

Part of other ordinary income include underwriting fees from trading securities, credit card interchange fees and asset management business fees which are within the scope of “Accounting Standard for Revenue Recognition”. Underwriting fees are recognized at the point on the date which all the consideration of the transaction are fixed. Credit card interchange fees are recognized at the point on the settlement of the credit card payment transactions. Asset management business fees consist of investment trust management fees and investment advisory fees for investment trusts, which are recognized over time in the period when the related service is provided.

(19) Assets and Liabilities denominated in foreign currencies

Assets and liabilities denominated in foreign currencies and accounts of overseas branches of domestic consolidated banking subsidiaries and a domestic consolidated trust banking subsidiary are translated into Japanese yen primarily at the exchange rates in effect at the interim consolidated balance sheet date, with the exception of the investments in affiliates not under the equity method, which are translated at historical exchange rates.

Assets and liabilities denominated in foreign currencies of the consolidated subsidiaries, except for the transactions mentioned above, are translated into Japanese yen primarily at the exchange rates in effect at the respective interim balance sheet dates.

(20) Hedge Accounting
(a) Interest Rate Risk
--- ---

The deferred method, the fair-value hedge method or the exceptional accrual method for interest rate swaps are applied as hedge accounting methods.

The portfolio hedge transaction for a large volume of small-value monetary claims and liabilities of domestic consolidated banking subsidiaries and domestic consolidated trust banking subsidiaries is accounted for in accordance with the method stipulated in the “Accounting and Auditing Treatment relating to Adoption of Accounting Standards for Financial Instruments for Banks” (JICPA Industry Committee Practical Guideline No.24, March 17, 2022).

The effectiveness of hedging activities for the portfolio hedge transaction for a large volume of small-value monetary claims and liabilities is assessed as follows:

i) as for hedging activities to offset market fluctuation risks, the effectiveness is assessed by bracketing both<br>the hedged instruments, such as deposits and loans, and the hedging instruments, such as interest-rate swaps, in the same maturity bucket.

- 16 -

ii) as for hedging activities to fix the cash flows, the effectiveness is assessed based on the correlation between<br>a base interest rate index of the hedged instrument and that of the hedging instrument.

The effectiveness of the individual hedge is assessed based on the comparison of the fluctuation in the market or of cash flows of the hedged instruments with that of the hedging instruments.

(b) Foreign Exchange Risk

Domestic consolidated banking subsidiaries and domestic consolidated trust banking subsidiaries apply the deferred method of hedge accounting to hedge foreign exchange risks associated with various financial assets and liabilities denominated in foreign currencies as stipulated in the “Accounting and Auditing Treatment relating to Adoption of Accounting Standards for Foreign Currency Transactions for Banks” (JICPA Industry Committee Practical Guideline No.25, October 8, 2020). The effectiveness of the hedge is assessed by confirming that the amount of the foreign currency position of the hedged monetary claims and liabilities is equal to or larger than that of currency-swap transactions, exchange swap transactions, and similar transactions designated as the hedging instruments of the foreign exchange risk.

In addition to the above methods, these subsidiaries apply the deferred method or the fair-value hedge method to portfolio hedges of the foreign exchange risks associated with investments in subsidiaries and affiliates in foreign currency and Other Securities in foreign currency (except for bonds) identified as hedged items in advance, as long as the amount of foreign currency payables of spot and forward foreign exchange contracts exceeds the amount of acquisition cost of the hedged foreign securities in foreign currency.

(c) Inter-company Transactions

Inter-company interest rate swaps, currency swaps and similar derivatives among consolidated companies or between trading accounts and other accounts, which are designated as hedges, are not eliminated, and related gains and losses are recognized in the statement of income or deferred under hedge accounting, because these inter-company derivatives are executed according to the criteria for appropriate outside third-party cover operations which are treated as hedge transactions objectively in accordance with JICPA Industry Committee Practical Guideline No. 24 and 25.

As for certain assets and liabilities of MHFG and its consolidated subsidiaries, the deferred method, the fair-value hedge method or the exceptional accrual method for interest rate swaps are applied.

(d) Hedging relationships which apply “Treatment of Hedge Accounting for Financial Instruments that Reference<br>LIBOR”

Among above (a) to (c), all hedging relationships included in the scope of applying the “Treatment of Hedge Accounting for Financial Instruments that Reference LIBOR” (ASBJ Practical Solutions No.40, March 17, 2022) are subject to this exceptional treatment. The detail of the hedging relationships which apply the treatment are as follows.

Hedging method: the deferred method, the fair-value hedge method or the exceptional accrual method Hedging instruments: interest-rate swaps, currency-swap transactions or exchange swap transactions, etc.

Hedged instruments: financial assets and liabilities, financial assets and liabilities denominated in foreign currencies, etc.

The variety of Hedge transactions: to offset market fluctuation risks, to fix the cash flows

(21) Scope of Cash and Cash Equivalents on Interim Consolidated Statements of Cash Flows

In the interim consolidated statements of cash flows, Cash and Cash Equivalents consist of cash and due from central banks included in “Cash and Due from Banks” on the interim consolidated balance sheet.

- 17 -

Changes in Accounting Policies

Implementation of ASU2016-13, “Measurement of Credit Losses on Financial Instruments”

Some overseas subsidiaries which apply U.S. GAAP and are considered non-public business entities have adopted ASU2016-13, “Measurement of Credit Losses on Financial Instruments” from the beginning of the interim period ended September 30, 2023. This update has replaced the incurred loss impairment methodology under previous U.S. GAAP with a methodology that reflects expected credit losses with respect to financial instruments in the amortized cost category, and full lifetime expected credit losses have been estimated upon initial recognition and a reserve has been recognized. In adopting the accounting standard, Retained Earnings was adjusted for the cumulative effect at the beginning of the interim period ended September 30, 2023 in accordance with transitional treatment set out in the accounting standard.

As a result, at the beginning of the interim period ended September 30, 2023, Reserves for Possible Losses on Loans increased by ¥1,188 million, Reserves for Contingencies increased by ¥1,485 million and Retained Earnings decreased by ¥1,883 million. The impact on Per Share Information is immaterial.

Additional Information

The Board Benefit Trust(“BBT”) Program

Since MHFG operates its business to contribute to the creation of value for diverse stakeholders and realize improved corporate value through the continuous and stable growth of MHFG group pursuant to MHFG’s basic management policy defined under the Mizuho Financial Group’s Corporate Identity, MHFG has introduced a stock compensation program using a trust (the “Program”) that functions as an incentive for each Director, Group Executive Officer, and Operating officers to exert maximum effort in performing his or her duties, and also as consideration for such exertion of effort.

(1) Outline of the Program

The Program has adopted the Board Benefit Trust (“BBT”) framework. MHFG’s shares on the stock market will be acquired through a trust established based on the underlying funds contributed by MHFG, and MHFG’s shares will be distributed to Directors, Executive Officers, and Operating officers of MHFG, Mizuho Bank, Ltd., Mizuho Trust & Banking Co., Ltd., and Mizuho Securities Co., Ltd. (the “Company Group”) and other entities in accordance with the Rules on Distribution of Shares to be prescribed in advance. The framework consists of the stock compensation program based on the Company Group Officer’s responsibilities and others in their respective company (“Stock Compensation I”), the stock compensation program based on the performance evaluation of the Company Group (“Stock Compensation II”) and the stock compensation program based on Company Group Officer’s responsibilities in their respective company and the performance evaluation of the Company Group, which distributes MHFG’s shares to Operating officers of MHFG and certain consolidated subsidiaries (“Stock Benefit”).

Stock Compensation I will be paid at the time of retirement in the form of shares of MHFG calculated based on their responsibilities and others. A system is adopted which enables a decrease or forfeiture of the amount depending on the performance of the company or the individual.

Stock Compensation II will be paid in the form of shares of MHFG and will be deferred over three years, which is calculated based on the status of achieving financial-related indicators and evaluation of stakeholder-related indicators that the Company Group regard as important in order to improve corporate value over the medium to long term. A system is adopted which enables a decrease or forfeiture of the amount depending on the performance of the company or the individual.

Stock Benefit will be paid in the collective form of MHFG’s share, which is based on responsibilities in their respective company and the performance evaluation of the Company Group. Reduction and forfeit of the benefit can occur in the program.

Upon the payment of stock compensation under the Program, MHFG may, for a certain portion, pay a monetary amount equivalent to the market value of its stock in lieu of stock compensation in accordance with the Rules on Distribution of Shares.

- 18 -

Voting rights related to MHFG’s shares belonging to the trust assets under the trust shall not be exercised.

(2) MHFG’s Shares Outstanding in the Trust

MHFG’s shares outstanding in the trust are recognized as Treasury Stock under Net Assets at the carrying amount (excluding the amount of incidental expenses) in the trust. The carrying amount of such Treasury Stock as of September 30, 2023 was ¥4,509 million for 2,604 thousand shares (the carrying amount as of March 31, 2023 was ¥5,126 million for 3,231 thousand shares).

- 19 -

Notes to Interim Consolidated Balance Sheet

*1. The total amount of shares and investments in affiliates
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
Shares 436,286 474,710
Investments 572 596
*2. Unsecured loaned securities, which are included in Japanese Government Bonds under Securities, are as follows:<br>
--- ---
(Millions of yen)
--- --- --- ---
As of March 31, 2023 As of September 30, 2023
273,629 210,030

In certain transactions, MHFG has the right to sell or repledge the following unsecured borrowed securities, securities purchased under resale agreements and securities borrowed with cash collateral.

(Millions of yen)
As of March 31, 2023 As of September 30, 2023
Securities repledged 15,163,883 19,560,207
Securities neither repledged nor re-loaned at the end of<br>the period/the fiscal year 2,405,207 2,820,304
*3. Claims based on Banking Act and the Act on Emergency Measures for the Revitalization of Financial Functions are<br>as follows. The claims consist of those included in the accounts of bonds included in “Securities” (its principal’s redemption and interest payments are guaranteed, in whole or in part, and the corporate bonds issue is limited to a<br>private placement of the securities (Article 2, Paragraph 3 of the Financial Instruments and Exchange Act.)), “Loans,” “Foreign Exchanges Assets,” accrued interest and suspense payment in “Other Assets” and<br>“Customers’ Liabilities for Acceptances and Guarantees” in the interim consolidated balance sheet, and securities in the notes in case they are loans (limited to those under a loan for use or lease agreement).
--- ---
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
Claims against Bankrupt and Substantially Bankrupt Obligors 43,866 39,317
Claims with Collection Risk 655,396 615,424
Claims for Special Attention 372,433 504,877
Loans Past Due for 3 Months or More 288 3,563
Restructured Loans 372,144 501,314
Sub-total 1,071,696 1,159,619
Normal Claims 100,457,014 104,799,744
Total 101,528,710 105,959,363

- 20 -

Claims against Bankrupt and Substantially Bankrupt Obligors are claims against debtors in bankruptcy due to the commencement of bankruptcy procedures, the commencement of reorganization proceedings, the petition for the commencement of rehabilitation proceedings, and claims equivalent to these.

Claims with Collection Risk are claims that the debtor is not yet in a state of bankruptcy, but its financial position and business performance have deteriorated, and it is highly probable that principal’s collection and interest on claims in accordance with the terms of the contract will not be received. These claims do not fall under the category of Claims against Bankrupt and Substantially Bankrupt Obligors.

Loans Past Due for 3 Months or More are loans on which payments of principal and/or interest have not been made for a period of three months or more since the next day following the first due date, and which are not included in Claims against Bankrupt and Substantially Bankrupt Obligors, or Claims with Collection Risk.

Restructured Loans represent loans whose contracts were amended in favor of obligors (e.g. reduction of, or exemption from, stated interest, deferral of interest payments, extension of maturity dates and renunciation of claims) in order to assist or facilitate the restructuring of the obligors. Claims against Bankrupt and Substantially Bankrupt Obligors, Claims with Collection Risk and Loans Past Due for 3 Months or More are not included.

Normal Claims are deemed to have no particular problem with the obligor’s financial position and business performance and are classified as other than Claims against Bankrupt and Substantially Bankrupt Obligors, Claims with Collection Risk, Loans Past Due for 3 Months or More and Restructured Loans.

The amounts given in above are gross amounts before deduction of amounts for the Reserves for Possible Losses on Loans.

*4. In accordance with Committee Practical Guideline No. 24, bills discounted are accounted for as financing<br>transactions. The banking subsidiaries have rights to sell or pledge these commercial bills, foreign exchange bills purchased and others. The face values of these bills are as follows:
(Millions of yen)
--- --- --- ---
As of March 31, 2023 As of September 30, 2023
1,449,540 1,557,742

- 21 -

*5. Breakdown of assets pledged as collateral is as follows:
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
The following assets are pledged as collateral
Trading Assets 3,732,150 5,116,303
Securities 8,502,478 12,660,928
Loans and Bills Discounted 8,375,232 8,107,566
Total 20,609,861 25,884,798
The following liabilities are collateralized by the above assets:
Deposits 988,551 287,837
Payables under Repurchase Agreements 10,542,199 16,324,807
Guarantee Deposits Received under Securities Lending Transactions 592,011 381,079
Borrowed Money 2,928,643 3,478,388

In addition to the above, the following items are pledged as collateral in connection with the settlement accounts of foreign and domestic exchange transactions or derivatives transactions and others or as a substitute for margins for futures transactions and others:

(Millions of yen)
As of March 31, 2023 As of September 30, 2023
Cash and Due from Banks 82,102 105,777
Trading Assets 261,218 363,674
Securities 6,146,181 7,560,895
Loans and Bills Discounted 93,011 72,349

In addition, the following item is pledged as collateral under general collateral repurchase agreements using the subsequent collateral allocation method:

(Millions of yen)
As of March 31, 2023 As of September 30, 2023
Securities 1,519,763 300,000

Other Assets includes margins for futures transactions, guarantee deposits, and collateral pledged for financial instruments and others as follows:

(Millions of yen)
As of March 31, 2023 As of September 30, 2023
Margins for Futures Transactions 170,675 174,973
Guarantee Deposits 89,103 88,599
Collateral Pledged for Financial Instruments and Others 1,721,367 2,285,121

- 22 -

*6. Overdraft protection on current accounts and contracts of the commitment line for loans are contracts by which<br>banking subsidiaries are bound to extend loans up to a prearranged amount, at the request of customers, unless the customer is in breach of contract conditions. The unutilized balance of these contracts amounts is as follows:
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
Unutilized balance 113,911,399 118,564,700
Amount relating to contracts of which the original contractual maturity is one year or less, or<br>which are unconditionally cancelable at any time 80,776,418 82,413,080

Since many of these contracts expire without being exercised, the unutilized balance itself does not necessarily affect future cash flows. A provision is included in many of these contracts that entitles the banking subsidiaries to refuse the execution of loans, or reduce the maximum amount under contracts when there is a change in the financial situation, necessity to preserve a claim or other similar reasons. The banking subsidiaries require collateral such as real estate and securities when deemed necessary at the time the contract is entered into. In addition, they periodically monitor customers’ business conditions in accordance with internally established standards and take necessary measures to manage credit risks such as amendments to contracts.

*7. In accordance with the Land Revaluation Law (Proclamation No. 34 dated March 31, 1998), land used for<br>business operations of domestic consolidated banking subsidiaries was revalued. The applicable income taxes on the entire excess of revaluation are included in Deferred Tax Liabilities for Revaluation Reserve for Land under Liabilities, and the<br>remainder, net of applicable income taxes, is stated as Revaluation Reserve for Land included in Net Assets.

Revaluation date: March 31, 1998

Revaluation method as stated in Article 3, Paragraph 3 of the above law: Land used for business operations was revalued by calculating the value on the basis of the valuation by road rating stipulated in Article 2, Paragraph 4 of the Enforcement Ordinance relating to the Land Revaluation Law (Government Ordinance No. 119 promulgated on March 31, 1998) with reasonable adjustments to compensate for sites with long depth and other factors, and also on the basis of the appraisal valuation stipulated in Paragraph 5.

*8. Accumulated Depreciation of Tangible Fixed Assets
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
Accumulated Depreciation 825,181 813,530
*9. Borrowed Money includes subordinated borrowed money with a covenant that performance of the obligation is<br>subordinated to that of other obligations.
--- ---
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
Subordinated Borrowed Money 204,000 204,000
*10. Bonds and Notes includes subordinated bonds.
--- ---
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
Subordinated Bonds 3,218,444 3,674,594

- 23 -

11. The principal amounts of money trusts with contracts indemnifying the principal amounts, which are entrusted to<br>domestic consolidated trust banking subsidiaries, are as follows:
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
Money trusts 835,674 820,048
*12. Liabilities for guarantees on corporate bonds included in “Securities,” which are issued by private<br>placement (Article 2, Paragraph 3 of the Financial Instruments and Exchange Act)
--- ---
(Millions of yen)
--- --- --- ---
As of March 31, 2023 As of September 30, 2023
1,134,235 1,072,047

- 24 -

Notes to Interim Consolidated Statement of Income

*1. Other Ordinary Income includes the following:
(Millions of yen)
--- --- --- --- ---
For the six months ended<br>September 30, 2022 For the six months ended<br>September 30, 2023
Gains on Sales of Stocks 54,377 65,680
Share of profit of entities accounted for using equity method 14,491 23,565
*2. Other Ordinary Expenses includes the following:
--- ---
(Millions of yen)
--- --- --- --- ---
For the six months ended<br>September 30, 2022 For the six months ended<br>September 30, 2023
Provision for Reserves for Possible Losses on Loans 38,055 —
Losses on Sales of Stocks 18,529 11,659
Stock-related Derivatives Expenses — 17,898
*3. Extraordinary Gains includes the following:
--- ---
(Millions of yen)
--- --- --- --- ---
For the six months ended<br>September 30, 2022 For the six months ended<br>September 30, 2023
Gains on Disposition of Fixed Assets 645 5,290
Gains on Cancellation of Employee Retirement Benefit Trust 12,057 18,782
*4. Extraordinary Losses is as follows:
--- ---
(Millions of yen)
--- --- --- --- ---
For the six months ended<br>September 30, 2022 For the six months ended<br>September 30, 2023
Losses on Disposition of Fixed Assets 4,047 1,520
Losses on Impairment of Fixed Assets 2,881 321

- 25 -

Notes to Interim Consolidated Statement of Changes in Net Assets

For the six months ended September 30, 2022

1. Types and number of issued shares and of treasury stock are as follows:
(Thousands of shares)
--- --- --- --- --- --- --- --- --- --- --- ---
As ofApril 1, 2022 Increase during<br>the period Decrease during<br>the period As ofSeptember 30, 2022 Remarks
Issued Shares
Common Stock 2,539,249 — — 2,539,249
Total 2,539,249 — — 2,539,249
Treasury Stock
Common Stock 4,659 1,240 968 4,930 (Note )
Total 4,659 1,240 968 4,930
(Note) Increases are due to acquisition of treasury stock by BBT trust account (787 thousand shares) and repurchase of shares constituting less than one unit and other factors (452 thousand shares). Decreases are due to<br>distribution and sale of treasury stock through BBT trust account (626 thousand shares), exercise of stock acquisition rights (stock options) (58 thousand shares), and repurchase of shares constituting less than one unit and other factors<br>(283 thousand shares). The number of shares as of September 30, 2022 includes the number of treasury stock held by BBT trust account (3,241 thousand shares).
--- ---
2. Stock acquisition rights and treasury stock acquisition rights are as follows:
--- ---
Category Breakdown<br><br><br>of stock<br><br><br>acquisition<br><br><br>rights Class of sharesto be issued or<br>transferred upon<br>exercise of<br>stock acquisition<br>rights Number of shares to be issued or transferred upon<br>exercise of stock acquisition rights (Shares) Balance as of<br>September 30,2022<br>(Millions of yen) Remarks
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
As of<br>April 1,<br>2022 Increase<br>during the<br>period Decrease<br>during the<br>period As of<br>September<br>30, 2022
MHFG Stock acquisition rights (Treasury stock acquisition rights) — —  <br> <br>(— ) —  <br> <br>(— ) —  <br> <br>(— ) —  <br> <br>(— ) —  <br> <br>(— )
Stock acquisition rights as stock option — 5
Consolidated subsidiaries (Treasury stock acquisition rights) — —  <br> <br>(— )
Total — 5<br> <br>(— )

- 26 -

3. Cash dividends distributed by MHFG are as follows:
(1) Cash dividends paid during the six months ended September 30, 2022
--- ---
Resolution Type Cash Dividends<br><br><br>(Millions of yen) Cash<br><br><br>Dividends<br> <br>per Share<br><br><br>(Yen) Record Date Effective Date
--- --- --- --- --- ---
May 13, 2022<br><br><br><br><br><br>The Board of Directors Common Stock 101,542 40.00 March 31, 2022 June 6, 2022
(Note) Cash dividends based on the resolution of the Board of Directors held on May 13, 2022 include ¥123 million of cash
--- ---
dividends on treasury stock held by BBT trust account.
(2) Cash dividends with record dates falling in the six months ended September 30, 2022 and effective dates<br>coming after the end of the period
--- ---
Resolution Type Cash Dividends<br><br><br>(Millions of yen) Resource ofDividends CashDividendsper Share<br><br><br>(Yen) Record Date Effective Date
--- --- --- --- --- --- ---
November 14, 2022<br><br><br><br><br><br>The Board of Directors Common Stock 107,889 Retained Earnings 42.50 September 30, 2022 December 6, 2022
(Note) Cash dividends based on the resolution of the Board of Directors held on November 14, 2022 include ¥137 million of cash
--- ---
dividends on treasury stock held by BBT trust account.

- 27 -

For the six months ended September 30, 2023

1. Types and number of issued shares and of treasury stock are as follows:
(Thousands of shares)
--- --- --- --- --- --- --- --- --- --- --- ---
As ofApril 1, 2023 Increase duringthe period Decrease duringthe period As ofSeptember 30, 2023 Remarks
Issued Shares
Common Stock 2,539,249 — — 2,539,249
Total 2,539,249 — — 2,539,249
Treasury Stock
Common Stock 5,027 983 1,584 4,425 (Note )
Total 5,027 983 1,584 4,425
(Note) Increases are due to acquisition of treasury stock by BBT trust account (670 thousand shares) and repurchase of shares constituting less than one unit and other factors (313 thousand shares). Decreases are due to<br>distribution and sale of treasury stock through BBT trust account (1,296 thousand shares), and repurchase of shares constituting less than one unit and other factors (288 thousand shares). The number of shares as of September 30, 2023<br>includes the number of treasury stock held by BBT trust account (2,604 thousand shares).
--- ---
2. Stock acquisition rights and treasury stock acquisition rights are as follows:
--- ---
Category Breakdown<br><br><br>of stock<br><br><br>acquisition<br><br><br>rights Class of shares<br>to be issued or<br>transferred upon<br>exercise of<br>stockacquisition<br>rights Number of shares to be issued or transferred upon<br>exercise of stock acquisition rights (Shares) Balance as of<br>September 30,2023<br>(Millions of yen) Remarks
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
As of<br>April 1,<br>2023 Increase<br>during the<br>period Decrease<br>during the<br>period As of<br>September 30,2023
MHFG Stock acquisition rights (Treasury stock<br>acquisition rights) — —  <br> <br>(— ) —  <br> <br>(— ) —  <br> <br>(— ) —  <br> <br>(— ) —  <br> <br>(— )
Stock acquisition rights<br>as stock option — 5
Consolidated subsidiaries (Treasury stock acquisition rights) — —  <br> <br>(— )
Total — 5<br> <br>—

- 28 -

3. Cash dividends distributed by MHFG are as follows:
(1) Cash dividends paid during the six months ended September 30, 2023
--- ---
Resolution Type Cash Dividends<br><br><br>(Millions of yen) Cash<br><br><br>Dividends<br> <br>per Share<br><br><br>(Yen) Record Date Effective Date
--- --- --- --- --- ---
May 15, 2023<br><br><br><br><br><br>The Board of Directors Common Stock 107,882 42.50 March 31, 2023 June 6, 2023
(Note) Cash dividends based on the resolution of the Board of Directors held on May 15, 2023 include ¥137 million of cash
--- ---
dividends on treasury stock held by BBT trust account.
(2) Cash dividends with record dates falling in the six months ended September 30, 2023 and effective dates<br>coming after the end of the period
--- ---
Resolution Type Cash Dividends<br><br><br>(Millions of yen) Resource of<br><br><br>Dividends Cash<br><br><br>Dividends<br> <br>per Share<br><br><br>(Yen) Record Date Effective Date
--- --- --- --- --- --- ---
November 13, 2023<br><br><br><br><br><br>The Board of Directors Common Stock 126,919 Retained Earnings 50.00 September 30, 2023 December 6, 2023
(Note) Cash dividends based on the resolution of the Board of Directors held on November 13, 2023 include ¥130 million of cash
--- ---
dividends on treasury stock held by BBT trust account.

- 29 -

Notes to Interim Consolidated Statement of Cash Flows

*1. Cash and Cash Equivalents at the end of the period on the Interim Consolidated Statement of Cash Flows<br>reconciles to Cash and Due from Banks on the Interim Consolidated Balance Sheet as follows:
(Millions of yen)
--- --- --- --- --- --- ---
For the six months ended<br>September 30, 2022 For the six months ended<br>September 30, 2023
Cash and Due from Banks 54,458,168 61,662,312
Due from Banks excluding central banks (1,368,456 ) (1,351,740 )
Cash and Cash Equivalents 53,089,712 60,310,571

- 30 -

Lease Transactions

1. Finance Leases (Lessees)

Finance lease transactions that do not transfer ownership:

1) Lease Assets:
(a) Tangible fixed assets: mainly equipment
--- ---
(b) Intangible fixed assets: software
--- ---
2) The method for computing the amount of depreciation is described in “4. Standards of Accounting Method<br>(5) Depreciation of Fixed Assets.”
--- ---
2. Operating Leases
--- ---

The future lease payments subsequent to the end of the fiscal year for non-cancelable operating lease transactions are summarized as follows:

(1) Lessees:
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
Due in One Year or Less 43,539 44,470
Due after One Year 258,089 262,051
Total 301,629 306,521
(2) Lessors:
--- ---
(Millions of yen)
--- --- --- --- ---
As of March 31, 2023 As of September 30, 2023
Due in One Year or Less 1,418 1,302
Due after One Year 3,997 3,736
Total 5,416 5,038

- 31 -

Financial Instruments

1. Matters relating to fair value of financial instruments and breakdown of fair value by level<br>

The following are the interim consolidated balance sheet amounts (the consolidated balance sheet amounts), fair values, differences between them and breakdown of fair values by level. Stocks and others without a quoted market price and Investments in Partnerships and others are excluded from the table below (see (Note 3)). In addition, notes concerning Cash and Due from Banks, Call Loans and Bills Purchased, Receivables under Resale Agreements, Guarantee Deposits Paid under Securities Borrowing Transactions, Foreign Exchange (assets / liabilities), Call Money and Bills Sold, Payables under Repurchase Agreements, Guarantee Deposits Received under Securities Lending Transactions, and Due to Trust Accounts are omitted since these instruments are mainly settled in the short term and the fair values approximate the book values.

Fair values of financial instruments are categorized into three levels as below on the basis of the observability and the materiality of the valuation inputs used in fair value measurements.

Fair values of Level 1: Fair values measured by quoted prices of the assets or liabilities being measured which are given in active markets among observable valuation inputs

Fair values of Level 2: Fair values measured by inputs other than inputs included within Level 1 among observable valuation inputs

Fair values of Level 3: Fair values measured by unobservable valuation inputs

When several inputs that have significant impact on fair value measurement are used and those inputs are categorized into different levels, the fair value is categorized into the lowest priority level for fair value measurement among the levels in which each of the inputs belongs.

- 32 -

(1) Financial instruments recorded at fair value in the interim consolidated balance sheet (the consolidated<br>balance sheet)

As of March 31, 2023

(Millions of yen)
Consolidated Balance Sheet Amount
Category Level 1 Level 2 Level 3 Total
Other Debt Purchased — 49,378 13,071 62,450
Trading Assets
Trading Securities
Japanese Government Bonds 1,010,255 6,862 — 1,017,117
Japanese Local Government Bonds — 137,837 — 137,837
Japanese Corporate Bonds — 802,481 0 802,481
Stocks 217,673 — 16 217,689
Other 1,189,560 4,218,200 27,461 5,435,223
Money Held in Trust — 486,684 4 486,688
Securities
Other Securities
Stocks 2,505,760 — 9,962 2,515,722
Japanese Government Bonds 15,770,850 678,443 — 16,449,293
Japanese Local Government Bonds — 554,662 — 554,662
Japanese Corporate Bonds — 3,040,974 194,367 3,235,341
Foreign Bonds 2,720,334 6,754,038 80,134 9,554,507
Other (*1) 717,528 1,053,012 16,404 1,786,945
Total Assets 24,131,962 17,782,575 341,423 42,255,962
Trading Liabilities
Securities Sold, Not yet Purchased 2,941,607 613,842 378 3,555,828
Bonds and Notes — 221,479 1,334 222,813
Other Liabilities
Short Positions In Bonds — 2,875,517 — 2,875,517
Total Liabilities 2,941,607 3,710,839 1,712 6,654,159
Derivative Transactions (*2,3)
Interest Rate and Bond-Related Transactions 80,487 (152,178 ) 106,340 34,649
Currency-Related Transactions — 194,459 16,041 210,500
Stocks-Related Transactions (9,873 ) (12,511 ) 52,615 30,230
Commodity-Related Transactions 4,883 (968 ) 2,223 6,137
Credit Derivative Transactions — 27,842 1,785 29,628
Total Derivative Transactions 75,496 56,643 179,006 311,145
(*1) The investment trusts that we regard net asset value disclosed in Article<br>24-3 and 24-9 of “Implementation Guidance on Accounting Standard for Fair Value Measurement” (ASBJ Guidance No.31, June 17, 2021) as fair value are not<br>included in the above table. The relevant investment trusts in Article 24-3 and 24-9 are ¥3,214 million and ¥31,982 million in the consolidated balance<br>sheet.
--- ---
(*2) Derivative Transactions recorded in Trading Assets, Trading Liabilities, Derivatives other than for Trading<br>Assets, Derivatives other than for Trading Liabilities, and others are presented as a lump sum. Net claims and debts that arose from derivative transactions are presented on a net basis, and the item that is net debts in total is presented in<br>brackets.
--- ---
(*3) Derivative Transactions applying for hedge accounting are ¥(723,677) million in the consolidated balance<br>sheet. The deferred method is mainly applied. “Treatment of Hedge Accounting for Financial Instruments that Reference LIBOR” (ASBJ Practical Solutions No.40, March 17, 2022) is applied to these hedge transactions.<br>
--- ---

- 33 -

As of September 30, 2023

(Millions of yen)
Interim Consolidated Balance Sheet Amount
Category Level 1 Level 2 Level 3 Total
Other Debt Purchased — 60,256 9,071 69,327
Trading Assets
Trading Securities
Japanese Government Bonds 1,774,734 5,064 — 1,779,799
Japanese Local Government Bonds — 111,442 — 111,442
Japanese Corporate Bonds — 1,147,228 0 1,147,228
Stocks 524,107 — 6 524,113
Other 2,049,558 4,708,916 85,771 6,844,245
Money Held in Trust — 532,984 5 532,990
Securities
Other Securities
Stocks 2,899,135 — 7,130 2,906,266
Japanese Government Bonds 19,142,359 750,675 — 19,893,035
Japanese Local Government Bonds — 565,989 — 565,989
Japanese Corporate Bonds — 2,851,657 163,959 3,015,616
Foreign Bonds 3,846,910 7,300,808 113,888 11,261,607
Other (*1) 984,835 1,464,102 18,206 2,467,143
Total Assets 31,221,639 19,499,126 398,040 51,118,805
Trading Liabilities
Securities Sold, Not yet Purchased 3,516,273 795,601 60 4,311,935
Bonds and Notes — 456,447 823 457,271
Other Liabilities
Short Positions In Bonds — 2,701,316 — 2,701,316
Total Liabilities 3,516,273 3,953,365 883 7,470,523
Derivative Transactions (*2,3)
Interest Rate and Bond-Related Transactions (139,791 ) (267,514 ) 167,599 (239,705 )
Currency-Related Transactions — 56,585 (2,300 ) 54,284
Stocks-Related Transactions 18,497 82,479 (4,051 ) 96,925
Commodity-Related Transactions 10,646 (9,540 ) 39 1,144
Credit Derivative Transactions — 68,935 443 69,379
Total Derivative Transactions (110,648 ) (69,054 ) 161,730 (17,971 )
(*1) The investment trusts that we regard net asset value disclosed in Article<br>24-3 and 24-9 of “Implementation Guidance on Accounting Standard for Fair Value Measurement” (ASBJ Guidance No.31, June 17, 2021) as fair value are not<br>included in the above table. The relevant investment trusts in Article 24-3 and 24-9 are ¥8,328 million and ¥41,463 million in the interim consolidated<br>balance sheet.
--- ---
(*2) Derivative Transactions recorded in Trading Assets, Trading Liabilities, Derivatives other than for Trading<br>Assets, Derivatives other than for Trading Liabilities, and others are presented as a lump sum. Net claims and debts that arose from derivative transactions are presented on a net basis, and the item that is net debts in total is presented in<br>brackets.
--- ---
(*3) Derivative Transactions applying for hedge accounting are ¥(1,022,222) million in the interim consolidated<br>balance sheet. The deferred method is mainly applied. “Treatment of Hedge Accounting for Financial Instruments that Reference LIBOR” (ASBJ Practical Solutions No.40, March 17, 2022) is applied to these hedge transactions.<br>
--- ---

- 34 -

(2) Financial instruments other than financial instruments recorded at fair value in the interim consolidated<br>balance sheet (the consolidated balance sheet)

As of March 31, 2023

(Millions of yen)
Fair Value ConsolidatedBalance<br>Sheet Amount Difference
Category Level 1 Level 2 Level 3 Total
Other Debt Purchased — — 3,774,246 3,774,246 3,774,285 (38 )
Money Held in Trust — — 22,769 22,769 22,769 —
Securities
Bonds Held to Maturity
Japanese Government Bonds 800,448 — — 800,448 799,305 1,142
Foreign Bonds — 1,114,660 — 1,114,660 1,248,883 (134,222 )
Loans and Bills Discounted 88,687,155
Reserves for Possible Losses on Loans (*) (626,889 )
— 20,970 89,348,456 89,369,426 88,060,266 1,309,160
Total Assets 800,448 1,135,630 93,145,471 95,081,550 93,905,509 1,176,041
Deposits — 150,461,962 — 150,461,962 150,498,976 (37,013 )
Negotiable Certificates of Deposit — 13,787,052 — 13,787,052 13,788,347 (1,295 )
Borrowed Money — 4,028,301 100,302 4,128,604 4,155,480 (26,876 )
Bonds and Notes — 9,635,498 956,983 10,592,482 11,148,376 (555,894 )
Total Liabilities — 177,912,814 1,057,286 178,970,100 179,591,181 (621,080 )
(*) General and specific reserves for possible losses on loans relevant to Loans and Bills Discounted are excluded.<br>Items other than Loans and Bills Discounted are recorded at the consolidated balance sheet amounts due to immateriality of their reserves.
--- ---

As of September 30, 2023

(Millions of yen)
Fair Value InterimConsolidatedBalance<br>Sheet Amount Difference
Category Level 1 Level 2 Level 3 Total
Other Debt Purchased — — 4,055,981 4,055,981 4,056,072 (90 )
Money Held in Trust — — 21,527 21,527 21,527 —
Securities
Bonds Held to Maturity
Japanese Government Bonds 570,205 — — 570,205 579,354 (9,149 )
Foreign Bonds — 2,164,514 — 2,164,514 2,417,062 (252,548 )
Loans and Bills Discounted 91,855,614
Reserves for Possible Losses on Loans (*) (619,486 )
— 5,412 92,478,851 92,484,264 91,236,128 1,248,136
Total Assets 570,205 2,169,926 96,556,361 99,296,493 98,310,145 986,347
Deposits — 147,065,192 — 147,065,192 147,099,489 (34,296 )
Negotiable Certificates of Deposit — 17,854,742 — 17,854,742 17,855,751 (1,009 )
Borrowed Money — 4,664,930 110,714 4,775,644 4,800,688 (25,044 )
Bonds and Notes — 9,842,233 1,077,625 10,919,859 11,582,241 (662,382 )
Total Liabilities — 179,427,098 1,188,339 180,615,438 181,338,170 (722,732 )
(*) General and specific reserves for possible losses on loans relevant to Loans and Bills Discounted are excluded.<br>Items other than Loans and Bills Discounted are recorded at the interim consolidated balance sheet amounts due to immateriality of their reserves.
--- ---

- 35 -

(Note 1) Explanation of valuation techniques and valuation inputs used in fair value measurements

Assets

Other Debt Purchased

Fair values of securitized products of other debt purchased are based on the values deemed as market prices obtained by the model such as those obtained from brokers and financial information vendors and are categorized as Level 3 when significant unobservable valuation inputs are used for the obtained price and as Level 2 when other inputs are used.

With respect to other debt purchased other than those described above, when the present values of the expected future cash flows are considered to be fair values, those other debt purchased are mainly categorized as Level 3 since the discount rate and other significant valuation inputs are unobservable. When those are short term in nature and the book values are considered to be fair values, those other debt purchased are categorized as Level 3.

Trading Assets

Fair values of trading assets for which unadjusted quoted market prices in active markets are available are categorized as Level 1, which includes mainly government bonds.

In the case the market is inactive even if the quoted market price is available, those trading assets are categorized as Level 2, which includes mainly local government bonds and corporate bonds.

When fair values are measured at the discounted cash flow method and others using significant unobservable inputs, those trading assets are categorized as Level 3, which includes mainly bonds with warrants and trust beneficiary rights.

Money Held in Trust

With respect to securities managed as trust assets in a directed money trust for separate investment with the management of securities as its primary purpose, fair values of stocks are measured at the price in stock exchanges and bonds are measured at market price or valuation price obtained from brokers or financial information vendors and are categorized as Level 2 or Level 3 based on the level of components.

The notes to Money Held in Trust based on holding purpose are stated in “Money Held in Trust.”

Securities

Fair values of securities for which unadjusted quoted market prices in active markets are available are categorized as Level 1 which includes mainly stocks and government bonds. In the case the market is inactive even if the quoted market price is available, those securities are categorized as Level 2, which includes mainly local government bonds and corporate bonds.

Fair values of investment trusts are measured at the market price or the disclosed net asset value and others. Those for which unadjusted quoted market prices in active markets are available are categorized as Level 1 and that are not available as Level 2. Additionally the investment trusts for which there are no transaction prices in markets with no significant limitations from market participants to demand compensation for the risk are valued using net asset value and are categorized as Level 2.

Fair values of private placement bonds are measured by discounting the total amount of principal and interest and others at interest rates based on the discount rate reflecting expected loss and various risk factors to market yield by categories based on the internal ratings and terms and are categorized as Level 3 when the impact from unobservable valuation inputs is significant and as Level 2 when it is not significant.

Fair values of securitized products are based on valuations obtained from brokers and others, and on model-based prices based on the reasonable estimates of our management. These are categorized as Level 3 when significant unobservable valuation inputs are used and as Level 2 when other inputs are used. In deriving model-based prices based on the reasonable estimates of our management mentioned above, we used the discounted cash flow method. The price decision variables include default rates, recovery rates, prepayment rates, and discount rates.

The notes to Securities based on holding purpose are stated in “Securities.”

- 36 -

Loans and Bills Discounted

Fair values of loans and bills discounted are mainly measured by discounting the total amount of principal and interest and others at interest rates based on the discount rate reflecting expected loss and various risk factors by categories according to the types, internal ratings and terms of the loans and bills discounted and are categorized as Level 3 since the discount rate is unobservable.

In addition, fair values of claims against bankrupt obligors, substantially bankrupt obligors, and intensive control obligors whose bad debts are mainly measured at the present value of the expected future cash flows or the estimated amounts calculated based on the recoverability from collateral and guarantees approximate the amount of claims and others minus the amount of reserves for possible losses on loans in the consolidated balance sheet as of the consolidated balance sheet date and those amounts are considered to be fair values which are categorized as Level 3.

Among the loans and bills discounted, for those without a fixed maturity due to loan characteristics such as limiting loans to within the value of pledged assets, book values are considered to be fair values since fair values are expected to approximate book values based on the estimated loan periods, interest rates and other conditions. Fair values of those loans and bills discounted are categorized as Level 3.

Liabilities

Deposits and Negotiable Certificates of Deposit

For demand deposits, the payment amounts required on the consolidated balance sheet date (i.e., book values) are considered to be fair values.

In addition, fair values of time deposits and negotiable certificates of deposits are calculated by classifying them based on their terms and by discounting the future cash flows. The discount rates used in such calculations are the market interest rates. Since fair values of those whose deposit terms are short (i.e., within six months) approximate book values, the book values are considered to be fair values and those fair values are categorized as Level 2.

Trading Liabilities and Other Liabilities

Fair values of trading liabilities and short positions in bonds included in other liabilities for which unadjusted quoted market prices in active markets are available are categorized as Level 1, which includes mainly listed stocks and government bonds.

In the case the market is inactive even if the quoted market price is available, those trading liabilities are categorized as Level 2, which includes mainly corporate bonds.

When significant unobservable inputs are used, those trading liabilities are categorized as Level 3.

Borrowed Money

Fair values of borrowed money are measured mainly by discounting the total amount of the principal and interest of such borrowed money classified by period lengths at the interest rates considered to be applicable to similar loans and are categorized as Level 3 when the impact from unobservable valuation inputs is significant and as Level 2 when it is not significant.

Bonds and Notes

With respect to bonds and notes issued by MHFG and its majority-owned consolidated subsidiaries and other consolidated subsidiaries, fair values of bonds and notes with market prices are measured at the market prices and fair values of those without market prices are calculated by discounting the total amount of the principal and interest at the interest rates considered to be applicable to similar bonds and notes. Bonds and notes with market prices are categorized as Level 2. Those without market prices are categorized as Level 3 when the impact from unobservable valuation inputs is significant and as Level 2 when it is not significant.

Certain foreign subsidiaries have adopted the fair value option to bonds and notes issued by themselves, and the fair value is calculated based on the valuation model. When unobservable inputs are not used or the impact of unobservable inputs is not material, those bonds and notes are categorized as Level 2. When significant unobservable inputs are used, those bonds and notes are categorized as Level 3.

- 37 -

Derivative Transactions

Derivative transactions that can be measured at unadjusted quoted prices in active markets are categorized as Level 1, which includes such transactions as bonds futures and interest rate futures.

However, since most derivative transactions are over-the-counter transactions and there are no quoted market prices, market values are measured using valuation techniques such as the discounted cash flow method and the Black-Scholes model, depending on the type of transaction and the maturity period. The main inputs which are used in those valuation techniques are interest rate, currency rate, volatility and others. In addition, price adjustments based on credit risk of counterparty and credit risk of majority-owned consolidated subsidiaries and other consolidated subsidiaries themselves and price adjustments for unsecured funding are made. When unobservable inputs are not used or impact of unobservable inputs are not material, those derivative transactions are categorized as Level 2, which includes such transactions as plain vanilla interest rate swaps and foreign exchange forwards. When significant unobservable inputs are used, those derivative transactions are categorized as Level 3, which includes transactions such as commodity related transactions.

- 38 -

(Note 2) Information relating to fair values of Level 3 among the financial instruments recorded at fair value in<br>the interim consolidated balance sheet (the consolidated balance sheet)
(1) Quantitative information of significant unobservable valuation inputs
--- ---

As of March 31, 2023

Category Principal valuationtechnique Significant unobservablevaluation input Range of valuationinput Weighted average
Other Debt Purchased
Securitized products Discounted cash flow method Prepayment rate 0.1% — 17.5% 4.3%
Default rate 0.0% — 2.2% 0.1%
Discount rate 0.3% — 1.6% 0.4%
Trading Assets
Trading Securities Discounted cash flow method Discount rate 1.1% — 1.7% 1.3%
Securities
Japanese Corporate Bonds
Private placement bonds Discounted cash flow method Discount rate 0.4% — 5.7% 2.2%
Foreign Bonds
Securitized products Discounted cash flow method Prepayment rate 21.7% 21.7%
Default rate 0.1% 0.1%
Recovery rate 40.5% 40.5%
Discount rate 0.9% — 2.0% 1.1%
Other Discounted cash flow method Discount rate 0.0% — 1.4% 0.1%
Derivative Transactions
Interest Rate and Bond-Related Transactions Option valuation model IR — IR correlation 23.1% — 100.0% —
Currency-Related Transactions Option valuation model FX — IR correlation 5.4% — 58.1% —
FX — FX correlation 39.0% — 64.7% —
Stocks-Related Transactions Option valuation model Equity — IR correlation 25.0% —
Equity — FX correlation (16.3)% — 93.2% —
Equity correlation 3.2% — 100.0% —
Equity volatility 5.9% — 180.7% —
Commodity-Related Transactions Option valuation model Commodity volatility 19.9% — 54.4% —
Credit Derivative Transactions Discounted cash flow method Default rate 0.0% — 13.0% —
Credit correlation 47.5% — 100.0% —

- 39 -

As of September 30, 2023

Category Principal valuationtechnique Significant unobservablevaluation input Range of valuationinput Weighted average
Other Debt Purchased
Securitized products Discounted cash flow method Prepayment rate 0.0% — 17.4% 4.1%
Default rate 0.0% — 0.6% 0.0%
Discount rate 0.3% — 1.6% 0.4%
Trading Assets
Trading Securities Discounted cash flow method Discount rate 0.4% — 1.1% 0.7%
Securities
Japanese Corporate Bonds
Private placement bonds Discounted cash flow method Discount rate 0.4% — 5.7% 2.0%
Foreign Bonds
Securitized products Discounted cash flow method Prepayment rate 4.2% — 26.8% 21.5%
Default rate 0.0% — 0.4% 0.1%
Recovery rate 36.9% — 40.5% 39.6%
Discount rate 0.3% — 1.6% 0.7%
Derivative Transactions
Interest Rate and Bond-Related Transactions Option valuation model IR — IR correlation 23.1% — 100.0% —
Currency-Related Transactions Option valuation model FX — IR correlation 5.4% — 72.5% —
FX — FX correlation 39.0% — 64.7% —
Stocks-Related Transactions Option valuation model Equity — IR correlation 25.0% —
Equity — FX correlation (17.8)% — 93.2% —
Equity correlation 25.9% — 100.0% —
Equity volatility 5.4% — 89.8% —
Commodity-Related Transactions Option valuation model Commodity volatility 16.0% — 43.7% —
Credit Derivative Transactions Discounted cash flow method Default rate 0.0% — 11.5% —

- 40 -

(2) Adjustment sheet from beginning balance to ending balance as of interim period (ending balance as of period)<br>and unrealized gains (losses) recognized as gains (losses) for the period

As of March 31, 2023

(Millions of yen)
Beginningbalance Gains(losses) for the period/othercomprehensive income Net amount<br>of purchase,<br>sale, issue,<br>and<br>settlement Transfer to<br>fair values<br>of Level 3(*3) Transfer from<br>fair values ofLevel 3<br>(*4) Endingbalance as of<br>period Unrealized<br>gains (losses)<br>on financial<br>assets and liabilities<br>heldas of<br>the consolidated balance sheet<br>date among<br>the amount recorded to<br>gains (losses)<br>for the period<br>(*1)
Recorded togains(losses) forthe period (*1) Recorded to othercomprehensive<br>income<br>(*2)
Other Debt Purchased 17,908 (2 ) (89 ) (4,744 ) — — 13,071 —
Trading Assets
Trading Securities
Japanese Corporate Bonds 0 0 — — — — 0 45
Stocks 190 350 — (524 ) — — 16 (328 )
Other 19,245 527 — 6,725 1,956 (993 ) 27,461 (576 )
Money Held in Trust 4 0 — 0 — — 4 —
Securities
Other Securities
Stocks 10,161 — 54 (254 ) — — 9,962 —
Japanese Corporate Bonds 236,037 (1,080 ) 4,397 (24,889 ) 44,367 (64,465 ) 194,367 —
Foreign Bonds 145,936 8,222 (972 ) (7,566 ) — (65,484 ) 80,134 —
Other 16,082 1,453 1,806 (2,936 ) — — 16,404 227
Trading Liabilities
Securities Sold, Not yet Purchased — (28 ) — 326 80 — 378 (35 )
Bonds and Notes 1,559 (225 ) — — — — 1,334 (58 )
Derivative Transactions
Interest Rate and Bond-Related Transactions 53,634 42,919 — 9,786 — — 106,340 49,765
Currency-Related Transactions 33,008 (4,986 ) — (11,981 ) — — 16,041 (3,557 )
Stocks-Related Transactions 53,726 (25,416 ) — 24,304 — — 52,615 26,902
Commodity-Related Transactions 653 1,448 — 121 — — 2,223 1,831
Credit Derivative Transactions 1,919 283 — (374 ) (266 ) 223 1,785 (31 )
(*1) Those amounts are mainly included in Trading Income, Trading Expenses, Other Operating Income and Other<br>Operating Expenses in the consolidated statement of income.
--- ---
(*2) Those amounts are included in Net Unrealized Gains (Losses) on Other Securities of Other Comprehensive Income<br>in the consolidated statement of comprehensive income.
--- ---
(*3) Those are the transfers from Level 2 to Level 3, due to changes in observability of valuation inputs<br>which are used in fair value measurements based on market liquidity. The transfer was made on the beginning of the accounting period.
--- ---
(*4) Those are the transfers from Level 3 to Level 2, mainly due to the fact that the discount rate which<br>is used in fair value measurement of the private placement bonds was determined to be immaterial by quantitative sensitivity analysis. The transfer was made on the beginning of the accounting period.
--- ---

- 41 -

As of September 30, 2023

(Millions of yen)
Beginningbalance Gains (losses) for the period/othercomprehensive income Net amountof purchase,sale, issue,andsettlement Transfer to<br>fair valuesof Level 3(*3) Transfer fromfair values ofLevel 3<br>(*4) Endingbalance<br>as of interimperiod Unrealized<br>gains (losses)<br>on financial<br>assetsand<br>liabilities<br>held as of<br>the interim<br>consolidated<br>balance sheet<br>date among<br>the amount<br>recordedto<br>gains (losses)<br>for the period<br>(*1)
Recorded togains (losses) forthe period (*1) Recorded to othercomprehensiveincome<br>(*2)
Other Debt Purchased 13,071 (110 ) (10 ) (3,878 ) — — 9,071 —
Trading Assets
Trading Securities
Japanese Corporate Bonds 0 — — — — — 0 —
Stocks 16 (0 ) — (10 ) — — 6 0
Other 27,461 2,193 — 58,394 303 (2,582 ) 85,771 (148 )
Money Held in Trust 4 0 — 0 — — 5 —
Securities
Other Securities
Stocks 9,962 — 119 (2,950 ) — — 7,130 —
Japanese Corporate Bonds 194,367 (1,584 ) 2,969 (6,248 ) 13,843 (39,388 ) 163,959 —
Foreign Bonds 80,134 8,062 496 27,433 — (2,239 ) 113,888 —
Other 16,404 (0 ) 1,502 308 — (10 ) 18,206 (25 )
Trading Liabilities
Securities Sold, Not yet Purchased 378 11 — (329 ) — — 60 8
Bonds and Notes 1,334 (510 ) — — — — 823 (91 )
Derivative Transactions
Interest Rate and Bond-Related Transactions 106,340 47,041 — 14,217 — — 167,599 60,446
Currency-Related Transactions 16,041 (1,797 ) — (16,655 ) 111 — (2,300 ) (7,667 )
Stocks-Related Transactions 52,615 (76,666 ) — 19,999 — — (4,051 ) 7,567
Commodity-Related Transactions 2,223 (1,802 ) — (381 ) — — 39 (1,659 )
Credit Derivative Transactions 1,785 (1,538 ) — 82 94 19 443 (1,344 )
(*1) Those amounts are mainly included in Trading Income, Trading Expenses, Other Operating Income and Other<br>Operating Expenses in the interim consolidated statement of income.
--- ---
(*2) Those amounts are included in Net Unrealized Gains (Losses) on Other Securities of Other Comprehensive Income<br>in the interim consolidated statement of comprehensive income.
--- ---
(*3) Those are the transfers from Level 2 to Level 3, due to changes in observability of valuation inputs<br>which are used in fair value measurements based on market liquidity. The transfer was made on the beginning of the accounting period.
--- ---
(*4) Those are the transfers from Level 3 to Level 2, mainly due to the fact that the discount rate which<br>is used in fair value measurement of the private placement bonds was determined to be immaterial by quantitative sensitivity analysis. The transfer was made on the beginning of the accounting period.
--- ---

- 42 -

(3) Explanation of the process of fair value measurement

In MHFG, middle-offices and back-offices have established policies and procedures related to the measurement of fair values and procedures related to usage of the valuation model. For the fair values and the level categories, the validity of the valuation techniques and valuation inputs used in fair value measurement are verified.

In fair value measurement, valuation models in which the nature, characteristics and risks of individual assets are most appropriately reflected are used. In addition, when quoted prices obtained from third parties are used, the validity of the prices is verified by appropriate methods such as confirmation of valuation techniques and used valuation inputs and comparison with the fair values of similar financial instruments.

(4) Explanation of the impact on fair values in the case where significant unobservable inputs are varied<br>

Prepayment rate

The prepayment rate is the estimated rate at which voluntary unscheduled repayments of the principal of the underlying assets are expected to occur. The movement of the prepayment rate is generally negatively correlated with borrower delinquency. A significant change in the prepayment rate would generally significantly impact the valuation of the fair values of financial instruments either positively or negatively, depending on the structure of financial instruments.

Default rate

The default rate is an estimate of the likelihood of not collecting contractual payments. A significant increase (decrease) in the default rate would generally be accompanied by a decrease (increase) in the recovery rate and an increase (decrease) in the discount rate. It would also generally significantly impact the valuation of the fair values of financial instruments negatively (positively).

Recovery rate

The recovery rate is an estimate of the percentage of contractual payments that would be collected in the event of a default. A significant increase (decrease) in recovery rate would generally be accompanied by a decrease (increase) in the default rate. It would also generally significantly impact the valuation of the fair values of financial instruments positively (negatively).

Discount rate

The discount rate is an adjustment rate to a benchmark market interest rate such as TIBOR or swap rates. It primarily consists of a risk premium component which is the amount of compensation that market participants require due to the uncertainty inherent in the financial instruments’ cash flows resulting from credit risk. A significant increase (decrease) in discount rate would generally significantly impact the valuation of the fair values of financial instruments negatively (positively).

Correlation

Correlation is the likelihood of the movement of one input relative to another based on an established relationship. A significant change in correlation would significantly impact the valuation of derivatives either positively or negatively, depending on the nature of the underlying assets.

Volatility

Volatility is a measure of the expected change in variables over a fixed period of time. Some financial instruments benefit from an increase in volatility and others benefit from a decrease in volatility. Generally, a significant increase (decrease) in volatility would result in a significant increase (decrease) in option values and, for a long position in an option, it would result in a significant increase (decrease) in the fair values of financial instruments.

- 43 -

(Note 3) The following are the interim consolidated balance sheet amounts (the consolidated balance sheet amounts) of<br>Stocks and others without a quoted market price, and Investments in Partnerships and others. These amounts are not included in Money Held in Trust and Other Securities in the tables disclosed in the Matters relating to fair value of financial<br>instruments and breakdown of fair value by level.
(Millions of yen)
--- --- --- --- ---
Category As of March 31, 2023 As of September 30, 2023
Stocks and others without a quoted market price (*1) 303,376 516,684
Investments in Partnerships and others (*2) 448,196 518,839
(*1) Stocks and others without a quoted market price include unlisted stocks and others and in accordance with<br>Article 5 of “Implementation Guidance on Disclosures about Fair Value of Financial Instruments” (ASBJ Guidance No.19, March 31, 2020), these items are not subject to disclosure of the fair value.
--- ---
(*2) Investments in Partnerships and others are mainly silent partnership, investment partnership, and money held in<br>trust with the investment in a silent partnership as the component of the trust property. In accordance with Article 24-16 of “Implementation Guidance on Accounting Standard for Fair Value<br>Measurement” (ASBJ Guidance No.31, June 17, 2021), these items are not subject to disclosure of the fair value.
--- ---
(  3) During the fiscal year ended March 31, 2023, the amounts of impairment (devaluation) was<br>¥1,287 million on a consolidated basis. During the six months ended September 30, 2023, the amount of impairment (devaluation) was ¥1,515 million on a consolidated basis.
--- ---

- 44 -

Securities

In addition to “Securities” on the interim consolidated balance sheet (the consolidated balance sheet), Negotiable Certificates of Deposit in “Cash and Due from Banks,” certain items in “Other Debt Purchased” and certain items in “Other Assets” are also included.

1. Bonds Held to Maturity

As of March 31, 2023

(Millions of yen)
Type Consolidated BalanceSheet Amount Fair Value Difference
Bonds Whose Fair Values Exceed the Consolidated Balance Sheet Amount Japanese Government Bonds 499,834 502,005 2,170
Foreign Bonds 114,157 114,526 368
Sub-total 613,992 616,531 2,538
Bonds Whose Fair Values Do Not Exceed the Consolidated Balance Sheet Amount Japanese Government Bonds 299,470 298,443 (1,027)
Foreign Bonds 1,134,725 1,000,134 (134,591)
Sub-total 1,434,196 1,298,577 (135,618)
Total 2,048,188 1,915,108 (133,080)
As of September 30, 2023
(Millions of yen)
Type InterimConsolidatedBalance Sheet Amount Fair Value Difference
Bonds Whose Fair Values Exceed the Interim Consolidated Balance Sheet Amount Japanese Government Bonds 160,007 160,672 664
Foreign Bonds — — —
Sub-total 160,007 160,672 664
Bonds Whose Fair Values Do Not Exceed the Interim Consolidated Balance Sheet<br>Amount Japanese Government Bonds 419,347 409,533 (9,814)
Foreign Bonds 2,417,062 2,164,514 (252,548)
Sub-total 2,836,410 2,574,047 (262,362)
Total 2,996,417 2,734,719 (261,698)

- 45 -

2. Other Securities

As of March 31, 2023

(Millions of yen)
Type Consolidated Balance      Sheet Amount Acquisition Cost Difference
Other Securities Whose Consolidated Balance Sheet Amount Exceeds Acquisition<br>Cost Stocks 2,366,271 817,808 1,548,463
Bonds 13,082,946 13,068,506 14,440
Japanese Government Bonds 11,884,984 11,881,113 3,871
Japanese Local Government Bonds 61,954 61,757 197
Japanese Corporate Bonds 1,136,007 1,125,635 10,371
Other 2,530,613 2,497,215 33,398
Foreign Bonds 2,197,042 2,182,254 14,788
Other Debt Purchased 6,698 6,627 70
Other 326,872 308,332 18,539
Sub-total 17,979,832 16,383,529 1,596,302
Other Securities Whose Consolidated Balance Sheet Amount Does Not Exceed<br>Acquisition Cost Stocks 149,451 179,532 (30,081 )
Bonds 7,156,350 7,232,283 (75,933 )
Japanese Government Bonds 4,564,308 4,600,151 (35,842 )
Japanese Local Government Bonds 492,707 498,335 (5,627 )
Japanese Corporate Bonds 2,099,334 2,133,797 (34,463 )
Other 9,117,824 9,818,256 (700,432 )
Foreign Bonds 7,357,464 7,952,943 (595,479 )
Other Debt Purchased 40,763 41,628 (865 )
Other 1,719,596 1,823,684 (104,087 )
Sub-total 16,423,626 17,230,072 (806,446 )
Total 34,403,458 33,613,602 789,855
(Note) Unrealized Gains (Losses) includes ¥36,513 million which was recognized in the statement of income by<br>applying the fair-value hedge method and others.
--- ---

- 46 -

As of September 30, 2023

(Millions of yen)
Type Interim ConsolidatedBalance Sheet Amount Acquisition Cost Difference
Other Securities Whose Interim Consolidated Balance Sheet Amount Exceeds<br>Acquisition Cost Stocks 2,864,437 925,596 1,938,841
Bonds 14,831,742 14,814,394 17,347
Japanese Government Bonds 13,923,502 13,914,592 8,909
Japanese Local Government Bonds 17,762 17,692 70
Japanese Corporate Bonds 890,477 882,109 8,368
Other 2,526,747 2,453,826 72,920
Foreign Bonds 1,500,738 1,497,815 2,922
Other Debt Purchased 4,757 4,725 31
Other 1,021,252 951,285 69,966
Sub-total 20,222,927 18,193,817 2,029,110
Other Securities Whose Interim Consolidated Balance Sheet Amount Does Not Exceed<br>Acquisition Cost Stocks 41,828 48,189 (6,361 )
Bonds 8,642,899 8,737,582 (94,683 )
Japanese Government Bonds 5,969,533 6,010,443 (40,910 )
Japanese Local Government Bonds 548,226 558,600 (10,373 )
Japanese Corporate Bonds 2,125,139 2,168,538 (43,399 )
Other 11,438,911 12,710,497 (1,271,585 )
Foreign Bonds 9,760,869 10,827,544 (1,066,675 )
Other Debt Purchased 36,264 37,752 (1,488 )
Other 1,641,778 1,845,200 (203,422 )
Sub-total 20,123,638 21,496,269 (1,372,630 )
Total 40,346,566 39,690,086 656,480
(Note) Unrealized Gains (Losses) includes ¥48,032 million which was recognized in the statement of income by<br>applying the fair-value hedge method and others.
--- ---

- 47 -

3. Impairment (“Devaluation”) of Securities

Certain Securities other than Trading Securities (excluding Stocks and others without a quoted market price and Investments in Partnerships and others) are devalued to the fair value, and the difference between the acquisition cost and the fair value is treated as a loss for the six months ended September 30, 2023 (the fiscal year ended March 31, 2023). If the fair value has significantly deteriorated compared with the acquisition cost (including amortized cost), the difference is treated as impairment (devaluation) unless it is deemed that there is a possibility of a recovery in the fair value.

The amount of impairment (devaluation) for the fiscal year ended March 31, 2023 was ¥1,256 million.

The amount of impairment (devaluation) for the six months ended September 30, 2023 was ¥1,197 million.

The criteria for determining whether a security’s fair value has “significantly deteriorated” are outlined as follows:

• Securities whose fair value is 50% or less of the acquisition cost
• Securities whose fair value exceeds 50% but is 70% or less of the acquisition cost and the quoted market price<br>maintains a certain level or lower
--- ---

- 48 -

Money Held in Trust

1. Money Held in Trust Held to Maturity

There was no Money Held in Trust held to maturity.

2. Other in Money Held in Trust (other than for investment purposes and held to maturity purposes)<br>

As of March 31, 2023

(Millions of yen)
ConsolidatedBalance SheetAmount Acquisition Cost Difference Other in MoneyHeld in TrustWhoseConsolidatedBalance SheetAmount ExceedsAcquisition Cost Other in MoneyHeld in TrustWhoseConsolidatedBalanceSheetAmount Does NotExceedAcquisition Cost
Other in Money Held in Trust 27,418 27,418 — — —
(Note) “Other in Money Held in Trust Whose Consolidated Balance Sheet Amount Exceeds Acquisition Cost” and<br>“Other in Money Held in Trust Whose Consolidated Balance Sheet Amount Does Not Exceed Acquisition Cost” are components of “Difference.”
--- ---

As of September 30, 2023

(Millions of yen)
InterimConsolidatedBalance Sheet  Amount Acquisition Cost Difference Other in MoneyHeld in TrustWhose InterimConsolidatedBalance SheetAmount ExceedsAcquisition Cost Other in MoneyHeld in TrustWhose InterimConsolidatedBalanceSheetAmount Does NotExceedAcquisition Cost
Other in Money Held in Trust 26,001 26,001 — — —
(Note) “Other in Money Held in Trust Whose Interim Consolidated Balance Sheet Amount Exceeds Acquisition<br>Cost” and “Other in Money Held in Trust Whose Interim Consolidated Balance Sheet Amount Does Not Exceed Acquisition Cost” are components of “Difference.”
--- ---

- 49 -

Unrealized Gains (Losses) on Other Securities

Details of Unrealized Gains (Losses) on Other Securities on the interim consolidated balance sheet (consolidated balance sheet) are as follows:

As of March 31, 2023

(Millions of yen)
Amount
Difference between Acquisition Cost and Fair Value 766,165
Other Securities 766,165
(–) Deferred Tax Liabilities 188,935
Difference between Acquisition Cost and Fair Value, net of Taxes (Before adjusting for amount<br>corresponding to Non-controlling Interests) 577,230
(–) Amount Corresponding to Non-controlling<br>Interests 14,549
(+) Amount Corresponding to Net Unrealized Gains (Losses) on Other Securities Owned by Affiliated<br>Companies, which is attributable to MHFG 1,813
Net Unrealized Gains (Losses) on Other Securities 564,495
(Notes) 1. The difference between acquisition cost and fair value excludes ¥36,513 million in gains which were recognized in the statement of income for the fiscal year ended March 31, 2023 by applying the fair-value hedge<br>method and others.
--- --- ---
2. “Other Securities” includes translation differences regarding Stocks and others without a quoted market price and Investments in Partnerships and others.

As of September 30, 2023

(Millions of yen)
Amount
Difference between Acquisition Cost and Fair Value 623,543
Other Securities 623,543
(–) Deferred Tax Liabilities 144,964
Difference between Acquisition Cost and Fair Value, net of Taxes (Before adjusting for amount<br>corresponding to Non-controlling Interests) 478,579
(–) Amount Corresponding to Non-controlling<br>Interests 16,509
(+) Amount Corresponding to Net Unrealized Gains (Losses) on Other Securities Owned by Affiliated<br>Companies, which is attributable to MHFG 2,650
Net Unrealized Gains (Losses) on Other Securities 464,720
(Notes) 1. The difference between acquisition cost and fair value excludes ¥48,032 million in gains which were recognized in the statement of income for six months ended September 30, 2023 by applying the fair-value hedge<br>method and others.
--- --- ---
2. “Other Securities” includes translation differences regarding Stocks and others without a quoted market price and Investments in Partnerships and others.

- 50 -

Derivatives Information

Derivative Transactions not Qualifying for Hedge Accounting

With regard to derivative transactions not qualifying for hedge accounting, contract value or contractual principal equivalents, fair values and unrealized gains (losses) by type of transaction as of the interim consolidated balance sheet date (consolidated balance sheet date) are as follows. Contract value amounts do not indicate the market risk related to derivative transactions.

(1) Interest Rate and Bond-Related Transactions

As of March 31, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains<br>(Losses)
Total Over One Year
Listed Interest Rate Futures
Sold 55,336,700 29,080,624 43,429 43,429
Bought 77,861,355 48,995,257 62,030 62,030
Interest Rate Options
Sold 39,158,828 — (4,457 ) 274
Bought 32,020,537 4,832 3,507 (364 )
Bond Futures
Sold 711,933 — (8,248 ) (8,248 )
Bought 378,185 — 3,286 3,286
Bond Futures Options
Sold 14,415 — (23 ) (23 )
Bought 397,112 — 301 (743 )
Over-the-Counter FRAs
Sold 43,239,019 2,590,083 (200,437 ) (200,437 )
Bought 41,497,899 2,365,476 179,470 179,470
Interest Rate Swaps
Receive Fixed / Pay Float 710,226,104 561,108,502 (4,957,290 ) (4,957,290 )
Receive Float / Pay Fixed 704,431,927 549,848,401 4,843,451 4,843,451
Receive Float / Pay Float 217,368,629 119,663,951 73,958 73,958
Receive Fixed / Pay Fixed 342,924 327,685 10,299 10,299
Interest Rate Options
Sold 27,094,067 16,860,933 (114,735 ) (114,735 )
Bought 26,566,635 15,972,893 169,959 169,959
Bond Options
Sold 766,239 — (900 ) 20
Bought 766,239 — 1,809 805
Bond Other
Sold 3,186 — (45 ) (45 )
Bought 6,240 — 65 65
Inter-Company or Internal Transactions Interest Rate Swaps
Receive Fixed / Pay Float 4,946,531 4,286,590 (26,956 ) (26,956 )
Receive Float / Pay Fixed 10,728,676 8,930,103 436,369 436,369
Total — — 514,844 514,575
(Note) The above transactions are marked to market, and changes in unrealized gains (losses) are included in the consolidated statement of income.
--- ---

- 51 -

As of September 30, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains<br>(Losses)
Total Over One Year
Listed Interest Rate Futures
Sold 31,138,194 20,581,804 73,450 73,450
Bought 67,102,282 45,082,214 (218,381 ) (218,381 )
Interest Rate Options
Sold 96,989,541 — (7,201 ) (885 )
Bought 97,434,860 — 9,136 1,772
Bond Futures
Sold 691,373 — 5,444 5,444
Bought 203,728 — (803 ) (803 )
Bond Futures Options
Sold 214,643 — (320 ) (320 )
Bought 193,622 — 382 373
Over-the-Counter FRAs
Sold 44,218,450 794,822 339,960 339,960
Bought 41,194,928 668,179 (317,390 ) (317,390 )
Interest Rate Swaps
Receive Fixed / Pay Float 767,879,931 634,985,730 (9,490,672 ) (9,490,672 )
Receive Float / Pay Fixed 755,279,279 626,091,285 9,180,215 9,180,215
Receive Float / Pay Float 173,746,630 121,545,450 129,571 129,571
Receive Fixed / Pay Fixed 513,032 489,579 16,717 16,717
Interest Rate Options
Sold 38,594,799 20,262,896 (266,813 ) (266,813 )
Bought 36,401,420 19,458,578 368,561 368,561
Bond Options
Sold 1,107,062 — (1,788 ) 270
Bought 1,107,062 — 2,276 127
Bond Other
Sold 13,199 — (496 ) (496 )
Bought 27,024 — 496 496
Inter-Company or Internal Transactions Interest Rate Swaps
Receive Fixed / Pay Float 6,193,294 5,790,225 (267,767 ) (267,767 )
Receive Float / Pay Fixed 10,802,812 8,853,186 677,571 677,571
Total — — 232,148 231,002
(Note) The above transactions are marked to market, and changes in unrealized gains (losses) are included in the interim consolidated statement of income.
--- ---

- 52 -

(2) Currency-Related Transactions

As of March 31, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains<br>(Losses)
Total Over One Year
Listed Futures
Sold 54,992 — — —
Bought 153,513 28,525 — —
Over-the-Counter Swaps 101,803,817 76,162,544 221,551 177,713
Forwards
Sold 90,571,040 6,268,422 (197,508 ) (197,508 )
Bought 46,851,140 2,438,993 213,877 213,877
Options
Sold 5,303,482 2,494,931 (128,708 ) (75,733 )
Bought 5,283,561 2,406,722 70,020 4,297
Inter-Company or Internal Transactions Swaps 3,839,109 3,222,519 259,825 11,189
Forwards
Bought 387 — 12 12
Total — — 439,070 133,848
(Note) The above transactions are marked to market, and changes in unrealized gains (losses) are included in the consolidated statement of income.
--- ---

As of September 30, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains<br>(Losses)
Total Over One Year
Listed Futures
Sold 43,905 — — —
Bought 163,658 31,760 — —
Over-the-Counter Swaps 115,821,253 88,003,239 220,668 283,537
Forwards
Sold 107,751,054 6,287,672 (2,229,734 ) (2,229,734 )
Bought 52,108,248 2,826,567 2,079,695 2,079,695
Options
Sold 6,166,646 2,450,869 (223,873 ) (165,635 )
Bought 6,274,950 2,424,409 120,481 48,264
Inter-Company or Internal Transactions Swaps 4,018,388 3,266,601 621,454 26,001
Forwards
Bought 51,792 — 835 835
Total — — 589,527 42,964
(Note) The above transactions are marked to market, and changes in unrealized gains (losses) are included in the interim consolidated statement of income.
--- ---

- 53 -

(3) Stock-Related Transactions

As of March 31, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains<br>(Losses)
Total Over One Year
Listed Index Futures
Sold 653,647 4,954 (10,360 ) (10,360 )
Bought 203,355 16,821 6,566 6,566
Index Futures Options
Sold 1,367,801 174,982 (85,588 ) (44,049 )
Bought 1,059,180 100,694 49,249 17,375
Over-the-Counter Equity Linked Swaps 865,939 385,268 80,795 80,795
Options
Sold 1,156,025 818,365 (77,061 ) (77,061 )
Bought 1,196,967 938,768 102,183 102,183
Other
Sold — — — —
Bought 341,807 116,446 (20,637 ) (20,637 )
Total — — 45,146 54,811
(Note) The above transactions are marked to market, and changes in unrealized gains (losses) are included in the consolidated statement of income.
--- ---

As of September 30, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains<br>(Losses)
Total Over One Year
Listed Index Futures
Sold 1,001,425 2,331 21,863 21,863
Bought 43,653 6,816 916 916
Index Futures Options
Sold 1,875,583 161,180 (121,201 ) (82,668 )
Bought 1,993,224 116,691 85,677 50,228
Over-the-Counter Equity Linked Swaps 964,499 350,452 12,904 12,904
Options
Sold 2,600,489 1,010,335 (100,853 ) (100,853 )
Bought 3,296,382 1,306,523 153,117 153,117
Other
Sold 5,998 — 116 116
Bought 488,135 167,177 59,496 59,496
Total — — 112,038 115,122
(Note) The above transactions are marked to market, and changes in unrealized gains (losses) are included in the interim consolidated statement of income.
--- ---

- 54 -

(4) Commodity-Related Transactions

As of March 31, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains<br>(Losses)
Total Over One Year
Listed Futures
Sold 134,624 24,965 (178 ) (178 )
Bought 187,769 56,073 5,078 5,078
Options
Sold 400 — (19 ) 13
Bought 213 — 3 (2 )
Over-the-Counter Options
Sold 322,986 140,840 (16,389 ) (16,389 )
Bought 252,235 102,095 17,644 17,644
Total — — 6,137 6,164
(Notes) 1. The above transactions are marked to market, and changes in unrealized gains (losses) are included in the consolidated statement of income.
--- --- ---
2. Commodities include oil, copper, aluminum and others

As of September 30, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains<br>(Losses)
Total Over One Year
Listed Futures
Sold 192,790 58,079 (22,411 ) (22,411 )
Bought 264,587 104,472 32,987 32,987
Options
Sold 231 — (12 ) 4
Bought 2,348 — 82 13
Over-the-Counter Options
Sold 342,153 135,427 (34,625 ) (34,625 )
Bought 238,686 80,905 25,135 25,135
Total — — 1,156 1,103
(Notes) 1. The above transactions are marked to market, and changes in unrealized gains (losses) are included in the interim consolidated statement of income.
--- --- ---
2. Commodities include oil, copper, aluminum and others.

- 55 -

(5) Credit Derivative Transactions

As of March 31, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains(Losses)
Total Over One Year
Over-the-Counter Credit Derivatives
Sold 10,271,257 9,939,876 92,759 92,759
Bought 12,484,873 11,666,579 (63,131 ) (63,131 )
Total — — 29,628 29,628
(Notes) 1. The above transactions are marked to market, and changes in unrealized gains (losses) are included in the consolidated statement of income.
--- --- ---
2. “Sold” and “Bought” indicate assumption and cession of credit risk, respectively.

As of September 30, 2023

(Millions of yen)
Classification Type Contract Value Fair Value Unrealized Gains<br>(Losses)
Total Over One Year
Over-the-Counter Credit Derivatives
Sold 7,285,477 6,672,865 69,070 69,070
Bought 10,018,672 8,561,839 309 309
Total — — 69,379 69,379
(Notes) 1. The above transactions are marked to market, and changes in unrealized gains (losses) are included in the interim consolidated statement of income.
--- --- ---
2. “Sold” and “Bought” indicate assumption and cession of credit risk, respectively.

- 56 -

Revenue recognition

1. Revenue breakdown information
(Millions of yen)
--- --- --- --- ---
For the six months ended<br>September 30, 2022 For the six months ended<br>September 30, 2023
Ordinary Income 2,944,948 4,244,507
Fee and Commission Income 418,579 485,482
Deposits and Lending business (1) 137,505 163,103
Securities-related business 85,848 118,986
Remittance business 53,268 51,901
Trust-related business 30,256 33,795
Guarantee-related business (2) 21,018 20,979
Agency business 18,399 18,615
Fees for other customer services 72,282 78,101
Fiduciary Income 29,313 30,458
Other Ordinary Income (1) 2,497,056 3,728,566

Notes:

(1) Part of these amounts are considered to be revenues from contracts that are within the scope of<br>“Accounting Standard for Revenue Recognition”.
(2) These amounts are revenues from contracts that do not meet the scope of “Accounting Standard for Revenue<br>Recognition”.
--- ---
(3) In the above table, revenues that are within the scope of “Accounting Standard for Revenue<br>Recognition” are mainly generated from “Retail & Business Banking Company”, “Corporate & Investment Banking Company” and “Global Corporate & Investment Banking Company”.<br>
--- ---
2. Contract assets, contract liabilities and receivables from contracts with customers
--- ---

The balances of contract assets, contract liabilities and receivables from contracts with customers are included in other assets and other liabilities in the interim consolidated balance sheet. The balance of contract assets, contract liabilities and receivables from contracts with customers at the current and previous interim consolidated balance sheet date are immaterial.

3. Price allocated to remaining performance obligations

The amount of revenue expected to be recognized in subsequent fiscal years is not material in terms of amount for the six months ended September 30, 2023 and September 30, 2022. Contracts with a term of up to one year and contracts for which revenue can be recognized at the amount our group has the right to claim are not included in the subject of this report.

- 57 -

Business Segment Information, etc.

Business Segment Information

1. Summary of reportable segment

MHFG has introduced an in-house company system based on the group’s diverse customer segments. The aim of this system is to leverage MHFG’s strengths and competitive advantage, which is the seamless integration of MHFG’s banking, trust and securities functions under a holding company structure, to speedily provide high-quality financial services that closely match customer needs.

Specifically, the company system is classified into the following five in-house companies, each based on a customer segment: the Retail & Business Banking Company (RBC), the Corporate & Investment Banking Company (CIBC), the Global Corporate & Investment Banking Company (GCIBC), the Global Markets Company (GMC), and the Asset Management Company (AMC).

The services that each in-house company is in charge of are as follows:

RBC:

Services for individual customers, small and medium-sized enterprises and middle market firms in Japan

CIBC:

Services for large corporations, financial institutions and public corporations in Japan

GCIBC:

Services for Japanese overseas affiliated corporate customers and non-Japanese corporate customers, etc.

GMC:

Investment services with respect to interest rates, equities and credits, etc. and other services

AMC:

Development of products and provision of services that match the asset management needs of its wide range of customers from individuals to institutional investors

The reportable segment information, set forth below, is derived from the internal management reporting systems used by management to measure the performance of the Group’s operating segments. Management measures the performance of each of the operating segments in accordance with internal managerial accounting rules and practices.

Effective as of April 1, 2023, MHFG partially restructured its in-house company system. CIBC was newly established by the integration of the Corporate & Institutional Company and the investment banking functions of the Global Products Unit. With the establishment of CIBC, the Global Corporate Company changed its name to GCIBC.

- 58 -

2. Calculating method of Gross profits (excluding the amounts of credit costs of trust accounts) + Net gains or<br>losses related to ETFs and others, Net business profits or losses (excluding the amounts of credit costs of trust accounts, before reversal of (provision for) general reserve for losses on loans) + Net gains or losses related to ETFs and others, and<br>Fixed assets by reportable segment

The following information of reportable segment is based on internal management reporting.

Gross profits (excluding the amounts of credit costs of trust accounts) + Net gains or losses related to ETFs and others is the total amount of Interest Income, Fiduciary Income, Fee and Commission Income, Trading Income, Other Operating Income and Net gains or losses related to ETFs and others.

Net business profits or losses (excluding the amounts of credit costs of trust accounts, before reversal of (provision for) general reserve for losses on loans) + Net gains or losses related to ETFs and others is the amount of which General and administrative expenses (excluding non-recurring expenses and others), Equity in income from investments in affiliates, and Amortization of goodwill and others (including amortization of intangible assets) are deducted from, or added to, Gross profits (excluding the amounts of credit costs of trust accounts) + Net gains or losses related to ETFs and others.

Gross profits (excluding the amounts of credit costs of trust accounts) + Net gains or losses related to ETFs and others relating to transactions between segments is based on the current market price.

Fixed assets disclosed as asset information by segment are the total amount of tangible fixed assets and intangible fixed assets. Fixed assets pertaining to Mizuho Bank, Ltd., Mizuho Trust & Banking Co., Ltd., and Mizuho Securities Co., Ltd. have been allocated to each segment.

- 59 -

3. Gross profits (excluding the amounts of credit costs of trust accounts) + Net gains or losses related to ETFs<br>and others, Net business profits or losses (excluding the amounts of credit costs of trust accounts, before reversal of (provision for) general reserve for losses on loans) + Net gains or losses related to ETFs and others, and Fixed assets by<br>reportable segment

For the six months ended September 30, 2022

(Millions of yen)
MHFG (Consolidated)
RBC CIBC GCIBC GMC AMC Others<br>(Note 2)
Gross profits: (excluding the amounts of credit costs of trust accounts) + Net gains or losses<br>related to ETFs and others 326,845 238,743 296,306 229,269 27,614 43,721 1,162,498
General and administrative expenses (excluding<br>Non-Recurring Losses and others) 299,060 99,467 145,721 123,967 17,015 36,687 721,917
Equity in income from investments in affiliates (869 ) 3,621 10,319 — 67 1,353 14,491
Amortization of goodwill and others 1,036 46 180 385 3,430 506 5,583
Net business profits or losses (excluding the amounts of credit costs of trust accounts, before<br>reversal of (provision for) general reserve for losses on loans) + Net gains or losses related to ETFs and others 25,880 142,851 160,724 104,917 7,236 7,881 449,489
Fixed assets 499,975 154,802 170,895 85,494 — 814,873 1,726,039
(Notes) 1. “Gross profits (excluding the amounts of credit costs of trust accounts) + Net gains or losses related to ETFs and others” is reported instead of sales reported by general corporations. Net gains or losses related to<br>ETFs and others amounted to ¥8,713 million, of which ¥7,566 million is included in the GMC.
--- --- ---
2. “Others” includes items which should be eliminated as internal transactions between each segment on a consolidated basis.
3. “Others” in Fixed assets includes assets of headquarters that have not been allocated to each segment, Fixed assets pertaining to consolidated subsidiaries that are not subject to allocation, consolidated adjustments,<br>and others. Among Fixed assets that have not been allocated to each segment, some related expenses are allocated to each segment using reasonable criteria of allocation.
4. Following the partial restructuring of in-house companies and the change in allocation method for transactions between each segment and “Others” made in April 2023,<br>reclassification was made on the above table to reflect the relevant change.

- 60 -

For the six months ended September 30, 2023

(Millions of yen)
MHFG (Consolidated)
RBC CIBC GCIBC GMC AMC Others<br>(Note 2)
Gross profits: (excluding the amounts of credit costs of trust accounts) + Net gains or losses<br>related to ETFs and others 347,965 261,694 313,018 279,307 27,590 101,685 1,331,259
General and administrative expenses (excluding<br>Non-Recurring Losses and others) 308,573 103,902 164,559 149,850 17,121 52,177 796,182
Equity in income from investments in affiliates 5,774 3,865 12,251 — (859 ) 2,534 23,565
Amortization of goodwill and others — — 435 — 3,237 571 4,243
Net business profits or losses (excluding the amounts of credit costs of trust accounts, before<br>reversal of (provision for) general reserve for losses on loans) + Net gains or losses related to ETFs and others 45,166 161,657 160,275 129,457 6,373 51,471 554,399
Fixed assets 498,322 152,392 188,913 87,039 — 781,969 1,708,635
(Notes) 1. “Gross profits (excluding the amounts of credit costs of trust accounts) + Net gains or losses related to ETFs and others” is reported instead of sales reported by general corporations. Net gains or losses related to<br>ETFs and others amounted to ¥18,339 million, of which ¥17,213 million is included in the GMC.
--- --- ---
2. “Others” includes items which should be eliminated as internal transactions between each segment on a consolidated basis.
3. “Others” in Fixed assets includes assets of headquarters that have not been allocated to each segment, Fixed assets pertaining to consolidated subsidiaries that are not subject to allocation, consolidated adjustments,<br>and others. Among Fixed assets that have not been allocated to each segment, some related expenses are allocated to each segment using reasonable criteria of allocation.

- 61 -

4. The difference between the total amounts of reportable segments and the recorded amounts in the Interim<br>Consolidated Statement of Income, and the contents of the difference (Matters relating to adjustment to difference)

The above amount of Gross profits (excluding the amounts of credit costs of trust accounts) + Net gains or losses related to ETFs and others and that of Net business profits (excluding the amounts of credit costs of trust accounts, before reversal of (provision for) general reserve for losses on loans) + Net gains or losses related to ETFs and others derived from internal management reporting by reportable segment are different from the amounts recorded in the Interim Consolidated Statement of Income.

The contents of the difference for the period are as follows:

(1) The total of Gross profits (excluding the amounts of credit costs of trust accounts) + Net gains or losses<br>related to ETFs and others of Segment Information and Ordinary Profits
(Millions of yen)
--- --- --- --- --- --- ---
For the six months ended<br>September 30, 2022 For the six months ended<br>September 30, 2023
Gross profits: (excluding the amounts of credit costs of trust accounts) + Net gains or losses<br>related to ETFs and others 1,162,498 1,331,259
Net gains or losses related to ETFs and others (8,713 ) (18,339 )
Other Ordinary Income 84,971 102,938
General and Administrative Expenses (706,446 ) (782,989 )
Other Ordinary Expenses (93,026 ) (58,775 )
Ordinary Profits 439,282 574,093
(2) The total of Net business profits (excluding the amounts of credit costs of trust accounts, before reversal of<br>(provision for) general reserve for losses on loans) + Net gains or losses related to ETFs and others of Segment Information and Income before Income Taxes Recorded in Interim Consolidated Statement of Income
--- ---
(Millions of yen)
--- --- --- --- --- --- ---
For the six months endedSeptember 30, 2022 For the six months endedSeptember 30, 2023
Net Business Profits (excluding the amounts of credit costs of trust accounts, before reversal of<br>(provision for) general reserve for losses on loans) + Net Gains (Losses) related to ETFs and others 449,489 554,399
General and Administrative Expenses (non-recurring<br>losses) 21,054 17,436
Expenses related to Portfolio Problems (including reversal of (provision for) general reserve for<br>losses on loans) (55,360 ) (10,287 )
Gains on Reversal of Reserves for Possible Losses on Loans, and others 4,921 (781 )
Net Gains (Losses) related to Stocks - Net Gains (Losses) related to ETFs and others 29,725 16,257
Net Extraordinary Gains (Losses) 5,774 22,229
Others (10,548 ) (2,930 )
Income before Income Taxes recorded in Interim Consolidated Statement of Income 445,057 596,323

- 62 -

Related Information

For the six months ended September 30, 2022

1. Information about Geographic Areas
(1) Ordinary Income
--- ---
(Millions of yen)
--- --- --- --- --- --- --- --- ---
Japan Americas Europe Asia/Oceania<br>excluding Japan Total
1,128,884 1,362,219 157,887 295,957 2,944,948
(Notes) 1. The above table shows Ordinary Income in lieu of sales of non-financial companies.
--- --- ---
2. Ordinary income is segmented by country and region based on the location of our group office in consideration of geographical proximity, similarity of economic activities, and interrelationship of business activities.
(2) Tangible Fixed Assets
--- ---

Information on tangible fixed assets by geographical areas as of September 30, 2022 is not disclosed since tangible fixed assets in Japan accounted for more than 90% of tangible fixed assets.

2. Information about Major Customers

Information about major customers is not disclosed since there are no outside customers that accounted for more than 10% of Ordinary Income of the Company.

For the six months ended September 30, 2023

1. Information about Geographic Areas
(1) Ordinary Income
--- ---
(Millions of yen)
--- --- --- --- --- --- --- --- ---
Japan Americas Europe Asia/Oceania<br>excluding Japan Total
1,193,566 2,089,928 416,185 544,827 4,244,507
(Notes) 1. The above table shows Ordinary Income in lieu of sales of non-financial companies.
--- --- ---
2. Ordinary income is segmented by country and region based on the location of our group office in consideration of geographical proximity, similarity of economic activities, and interrelationship of business activities.
(2) Tangible Fixed Assets
--- ---

Information on tangible fixed assets by geographical areas as of September 30, 2023 is not disclosed since tangible fixed assets in Japan accounted for more than 90% of tangible fixed assets.

2. Information about Major Customers

Information about major customers is not disclosed since there are no outside customers that accounted for more than 10% of Ordinary Income of the Company.

- 63 -

Information about Impairment Loss on Tangible Fixed Assets by Reportable Segment

For the six months ended September 30, 2022

(Millions of yen)
MHFG (Consolidated)
RBC CIBC GCIBC GMC AMC Others
Impairment Loss 577 29 — — — 2,275 2,881
(Note) Following the partial restructuring of in-house companies and the<br>change in allocation method for transactions between each segment and “Others” made in April 2023, reclassification was made on the above table to reflect the relevant change.
--- ---

For the six months ended September 30, 2023

(Millions of yen)
MHFG (Consolidated)
RBC CIBC GCIBC GMC AMC Others
Impairment Loss 198 53 13 8 — 49 321

Information about Amortization and Unamortized Balance of Goodwill by Reportable Segment

For the six months ended September 30, 2022

(Millions of yen)
MHFG (Consolidated)
RBC CIBC GCIBC GMC AMC Others
Amortization of Goodwill — — 180 — 1,335 374 1,889
Unamortized Balance of Goodwill — — 6,539 — 37,350 10,976 54,865
(Note) Following the partial restructuring of in-house companies and the<br>change in allocation method for transactions between each segment and “Others” made in April 2023, reclassification was made on the above table to reflect the relevant change.
--- ---

For the six months ended September 30, 2023

(Millions of yen)
MHFG (Consolidated)
RBC CIBC GCIBC GMC AMC Others
Amortization of Goodwill — — 186 — 1,335 394 1,915
Unamortized Balance of Goodwill — — 3,422 — 34,682 10,146 48,250

Information about Gain on Negative Goodwill Incurred by Reportable Segment

For the six months ended September 30, 2022

There is no applicable information.

For the six months ended September 30, 2023

There is no applicable information.

- 64 -

Per Share Information

1. Net Assets per Share of Common Stock and its basis used for calculation
As of March 31, 2023 As of September 30, 2023
--- --- --- --- --- ---
Net Assets per Share of Common Stock Yen 3,603.98 3,778.08
(The basis used for calculating Net Assets per Share of Common Stock)
Total Net Assets Millions of yen 9,208,463 9,653,415
Deductions from Total Net Assets Millions of yen 75,168 76,643
Stock Acquisition Rights Millions of yen 5 5
Non-Controlling Interests Millions of yen 75,163 76,638
Net Assets related to Common Stock at the end of the period/the fiscal year Millions of yen 9,133,294 9,576,771
Outstanding Shares of Common Stock, based on which Total Net Assets per Share of Common Stock was<br>calculated, at the end of the period/the fiscal year Thousands of shares 2,534,222 2,534,824

- 65 -

2. Net Income per Share of Common Stock and Diluted Net Income per Share of Common Stock are based on the<br>following information:
For the six months endedSeptember 30, 2022 For the six months endedSeptember 30, 2023
--- --- --- --- --- ---
(1)   Net Income per Share of Common Stock Yen 131.77 164.03
(The basis used for calculating Net Income per Share of Common Stock)
Profit Attributable to Owners of Parent Millions of yen 333,964 415,753
Amount not attributable to Common Stock Millions of yen — —
Profit Attributable to Owners of Parent related to Common Stock Millions of yen 333,964 415,753
Average Outstanding Shares of Common Stock (during the period) Thousands of shares 2,534,305 2,534,579
(2)   Diluted Net Income per Share of Common Stock Yen 131.77 164.03
(The basis used for calculating Diluted Net Income per Share of Common Stock)
Adjustment to Profit Attributable to Owners of Parent Millions of yen — —
Increased Number of Shares of Common Stock Thousands of shares 27 2
Stock Acquisition Rights Thousands of shares 27 2
Description of dilutive securities which were not included in the calculation of Diluted Net<br>Income per Share of Common Stock as they have no dilutive effects — —
(Note) In the calculation of Net Assets per share, MHFG shares outstanding in BBT trust account that were recognized as Treasury Stock in Shareholders’ Equity are included in Treasury Stock shares deducted from the total number of<br>issued shares at the end of the period/the fiscal year. The number of such Treasury Stock shares deducted at the end of the previous fiscal year (March 31, 2023) was 3,231 thousand, and the number of such Treasury Stock shares deducted at the<br>end of the period (September 30, 2023) was 2,604 thousand.
--- ---
In the calculation of Net Income per Share of Common Stock and Diluted Net Income per Share of Common Stock, such Treasury Stock shares are included in Treasury Stock shares deducted in the calculation of the Average Outstanding<br>Shares of Common Stock during the period. The average number of such Treasury Stock shares deducted during the six months ended September 30, 2022 was 3,317 thousand, and the average number of such Treasury Stock shares deducted during the<br>six months ended September 30, 2023 was 2,860 thousand.

- 66 -

II. Others

There is no applicable information.

- 67 -

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