8-K

S&T BANCORP INC (STBA)

8-K 2025-04-24 For: 2025-04-24
View Original
Added on April 09, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

April 24, 2025

Date of Report (date of earliest event reported)

S&T BANCORP, INC

(Exact name of registrant as specified in its charter)

Pennsylvania 0-12508 25-1434426
(State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.)
800 Philadelphia Street Indiana PA 15701
(Address of Principal Executive Offices) (Zip Code)

(800) 325-2265

Registrant's telephone number, including area code

(Not applicable)

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered
Common Stock, $2.50 par value STBA NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On April 24, 2025 S&T Bancorp Inc. (S&T) announced by press release its earnings for the three months ended March 31, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference in this Item 2.02. The information contained in this Item 2.02 of this Report on Form 8-K, including Exhibit 99.1, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Exchange Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 7.01 Regulation FD Disclosure.

In connection with the issuance of its earnings for the three months ended March 31, 2025, S&T has also made available on its website materials that contain supplemental information about S&T’s financial results (“Supplemental Information”). A copy of the supplemental information is attached hereto as Exhibit 99.2 and is incorporated by reference in this Item 7.01. The information contained in this Item 7.01 of this Report on Form 8-K, including Exhibit 99.2, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Exchange Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No. Description of Exhibit
99.1 Press Release
99.2 Supplemental Information
104 Cover Page Interactive Data File (embedded in the cover page formatted in Inline XBRL)

SIGNATURES

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

S&T Bancorp, Inc.
/s/ Mark Kochvar
April 24, 2025 Mark Kochvar<br>Senior Executive Vice President,<br>Chief Financial Officer

Document

INVESTOR CONTACT:<br><br>Mark Kochvar<br><br>S&T Bancorp, Inc.<br><br>Chief Financial Officer<br><br>724.465.4826<br><br>mark.kochvar@stbank.com

FOR IMMEDIATE RELEASE

S&T Bancorp, Inc. Announces First Quarter 2025 Results

INDIANA, Pa., - April 24, 2025 – S&T Bancorp, Inc. (S&T) (NASDAQ: STBA), the holding company for S&T Bank, announced net income of $33.4 million, or $0.87 per diluted share, for the first quarter of 2025 compared to net income of $33.1 million, or $0.86 per diluted share, for the fourth quarter of 2024 and net income of $31.2 million, or $0.81 per diluted share, for the first quarter of 2024.

First Quarter of 2025 Highlights:

•Strong return metrics with return on average assets (ROA) of 1.41%, return on average equity (ROE) of 9.67% and return on average tangible equity (ROTE) (non-GAAP) of 13.29% compared to ROA of 1.37%, ROE of 9.57% and ROTE (non-GAAP) of 13.25% for the fourth quarter of 2024.

•Pre-provision net revenue to average assets (PPNR) (non-GAAP) was 1.73% compared to 1.72% for the fourth quarter of 2024.

•Net interest margin on a fully taxable equivalent basis (NIM) (FTE) (non-GAAP) increased 4 basis points to 3.81% compared to 3.77% in the fourth quarter of 2024.

•Total portfolio loans increased $93.4 million, or 4.89% annualized, compared to December 31, 2024.

•Total deposits increased $109.8 million, with customer deposit growth of $134.7 million, or 7.23% annualized, offset by a decrease in brokered deposits of $24.9 million compared to the fourth quarter of 2024.

•Asset quality remained solid with net recoveries and a negative $3.0 million provision for credit losses compared to a negative $2.5 million in the fourth quarter of 2024.

•Nonperforming assets decreased $5.5 million to $22.4 million, or 0.29% of total loans plus other real estate owned (OREO), compared to $27.9 million, or 0.36%, at December 31, 2024.

"We are pleased to report a strong first quarter driven by solid customer deposit and loan growth, an increase in net interest margin and excellent asset quality," said Chief Executive Officer Chris McComish. "As we navigate the current environment, our focus remains firmly in support of our customers while executing on our growth-oriented business drivers."

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S&T Earnings Release - 2

Net Interest Income

Net interest income was $83.3 million in both the first quarter of 2025 and the fourth quarter of 2024. NIM (FTE) (non-GAAP) increased 4 basis points to 3.81% compared to 3.77% in the prior quarter. The yield on average total interest- earning assets decreased 8 basis points to 5.70% compared to 5.78% in the fourth quarter of 2024 due to lower interest rates. Total average interest-bearing liability costs decreased 16 basis points to 2.87% compared to 3.03% in the fourth quarter of 2024 due to lower deposit costs and a reduction in higher-cost borrowings. Total average borrowings decreased $56.8 million to $218.0 million in the first quarter of 2025 compared to $274.8 million in the fourth quarter of 2024.

Asset Quality

Asset quality remained solid for the first quarter of 2025. The allowance for credit losses, or ACL, was $99.0 million, or 1.26% of total portfolio loans at March 31, 2025 compared to $101.5 million, or 1.31%, at December 31, 2024. The 5 basis point decline in the ACL to total portfolio loans related to a $4.2 million decrease in specific reserves compared to the fourth quarter of 2024. The provision for credit losses was a negative $3.0 million for the first quarter of 2025 compared to a negative $2.5 million in the fourth quarter of 2024. Both the first quarter of 2025 and the fourth quarter of 2024 had net loan recoveries. Nonperforming assets to total portfolio loans plus OREO decreased 7 basis points to 0.29% at March 31, 2025 compared to 0.36% at December 31, 2024.

Noninterest Income and Expense

Noninterest income decreased $0.7 million to $10.4 million in the first quarter of 2025 compared to $11.1 million in the fourth quarter of 2024. Customer activity was seasonally slower in the first quarter of 2025 resulting in lower debit card fees and service charges on deposit accounts. During the first quarter of 2025, a $2.3 million realized loss was recognized related to the repositioning of securities into longer duration, higher-yielding securities compared to a similar $2.6 million realized securities loss in the fourth quarter of 2024. Total noninterest expenses remain consistent at $55.1 million compared to $55.4 million in the fourth quarter of 2024.

Financial Condition

Total assets were $9.7 billion at both March 31, 2025 and December 31, 2024. Total portfolio loans increased $93.4 million, or 4.89% annualized, compared to December 31, 2024. The commercial loan portfolio increased $81.6 million with growth in commercial real estate of $74.2 million and commercial construction of $27.3 million partially offset by a decrease in commercial and industrial of $19.9 million compared to December 31, 2024. The consumer loan portfolio increased $11.8 million compared to December 31, 2024. Total deposits increased $109.8 million, or 5.72% annualized, compared to December 31, 2024. Customer deposit growth continues to be strong allowing for a reduction in higher-cost borrowings and brokered deposits. Customer deposit growth was $134.7 million, or 7.23% annualized, which was offset by lower brokered deposits of $24.9 million. Total borrowings decreased $55.0 million to $195.3 million compared to $250.3 million at December 31, 2024.

S&T continues to maintain a strong regulatory capital position with all capital ratios above the well-capitalized thresholds of federal bank regulatory agencies.

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S&T Earnings Release - 3

Conference Call

S&T will host its first quarter 2025 earnings conference call live via webcast at 1:00 p.m. ET on Thursday, April 24, 2025. To access the webcast, go to S&T Bancorp Inc.’s Investor Relations webpage stbancorp.com. After the live presentation, the webcast will be archived at stbancorp.com for 12 months.

About S&T Bancorp, Inc. and S&T Bank

S&T Bancorp, Inc. is a $9.7 billion bank holding company that is headquartered in Indiana, Pennsylvania and trades on the NASDAQ Global Select Market under the symbol STBA. Its principal subsidiary, S&T Bank, was established in 1902 and operates in Pennsylvania and Ohio. For more information, visit stbancorp.com or stbank.com. Follow us on Facebook, Instagram and LinkedIn.

Forward-Looking Statements

This information contains or incorporates statements that we believe are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements generally relate to our financial condition, results of operations, plans, objectives, outlook for earnings, revenues, expenses, capital and liquidity levels and ratios, asset levels, asset quality, financial position and other matters regarding or affecting S&T and its future business and operations. Forward-looking statements are typically identified by words or phrases such as “will likely result,” “expect,” “anticipate,” “estimate,” “forecast,” “project,” “intend,” “believe,” “assume,” “strategy,” “trend,” “plan,” “outlook,” “outcome,” “continue,” “remain,” “potential,” “opportunity,” “comfortable,” “current,” “position,” “maintain,” “sustain,” “seek,” “achieve” and variations of such words and similar expressions, or future or conditional verbs such as “will,” “would,” “should,” “could” or “may.” Although we believe the assumptions upon which these forward-looking statements are based are reasonable, any of these assumptions could prove to be inaccurate and the forward-looking statements based on these assumptions could be incorrect. The matters discussed in these forward-looking statements are subject to various risks, uncertainties and other factors that could cause actual results and trends to differ materially from those made, projected or implied in or by the forward-looking statements depending on a variety of uncertainties or other factors including, but not limited to: credit losses and the credit risk of our commercial and consumer loan products; changes in the level of charge-offs and changes in estimates of the adequacy of the allowance for credit losses, or ACL; cybersecurity concerns; rapid technological developments and changes; operational risks or risk management failures by us or critical third parties, including fraud risk; our ability to manage our reputational risks; sensitivity to the interest rate environment, a rapid increase in interest rates or a change in the shape of the yield curve; a change in spreads on interest-earning assets and interest-bearing liabilities; regulatory supervision and oversight, including changes in regulatory capital requirements and our ability to address those requirements; unanticipated changes in our liquidity position; unanticipated changes in regulatory and governmental policies impacting interest rates and financial markets; changes in accounting policies, practices or guidance; legislation affecting the financial services industry as a whole, and S&T, in particular; developments affecting the industry and the soundness of financial institutions and further disruption to the economy and U.S. banking system; the outcome of pending and future litigation and governmental proceedings; increasing price and product/service competition; the ability to continue to introduce competitive new products and services on a timely, cost-effective basis; managing our internal growth and acquisitions; the possibility that the anticipated benefits from acquisitions cannot be fully realized in a timely manner or at all, or that integrating the acquired operations will be more difficult, disruptive or costly than anticipated; containing costs and expenses; reliance on significant customer relationships; an interruption or cessation of an important service by a third-party provider; our ability to attract and retain talented executives and other employees; general economic or

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S&T Earnings Release - 4

business conditions, including the strength of regional economic conditions in our market area; ESG practices and disclosures, including climate change, hiring practices, the diversity of the work force and racial and social justice issues; deterioration of the housing market and reduced demand for mortgages; deterioration in the overall macroeconomic conditions or the state of the banking industry that could warrant further analysis of the carrying value of goodwill and could result in an adjustment to its carrying value resulting in a non-cash charge to net income; the stability of our core deposit base and access to contingency funding; re-emergence of turbulence in significant portions of the global financial and real estate markets that could impact our performance, both directly, by affecting our revenues and the value of our assets and liabilities, and indirectly, by affecting the economy generally and access to capital in the amounts, at the times and on the terms required to support our future businesses and geopolitical tensions and conflicts between nations.

Many of these factors, as well as other factors, are described in our Annual Report on Form 10-K for the year ended December 31, 2024, including Part I, Item 1A-"Risk Factors" and any of our subsequent filings with the SEC. Forward-looking statements are based on beliefs and assumptions using information available at the time the statements are made. We caution you not to unduly rely on forward-looking statements because the assumptions, beliefs, expectations and projections about future events may, and often do, differ materially from actual results. Any forward-looking statement speaks only as to the date on which it is made, and we undertake no obligation to update any forward-looking statement to reflect developments occurring after the statement is made.

Non-GAAP Financial Measures

In addition to traditional measures presented in accordance with GAAP, our management uses, and this information contains or references, certain non-GAAP financial measures, such as tangible book value, return on average tangible shareholder's equity, PPNR to average assets, efficiency ratio, tangible common equity to tangible assets and net interest margin on an FTE basis. We believe these non-GAAP financial measures provide information useful to investors in understanding our underlying operational performance and our business and performance trends as they facilitate comparisons with the performance of other companies in the financial services industry. Although we believe that these non-GAAP financial measures enhance investors’ understanding of our business and performance, these non-GAAP financial measures should not be considered alternatives to GAAP or considered to be more important than financial results determined in accordance with GAAP, nor are they necessarily comparable with non-GAAP measures which may be presented by other companies. See Definitions and Reconciliation of GAAP to Non-GAAP Financial Measures for more information related to these financial measures.

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S&T Bancorp, Inc.<br>Consolidated Selected Financial Data<br>Unaudited S&T Earnings Release - 5
2025 2024 2024
--- --- --- ---
First Fourth First
(dollars in thousands, except per share data) Quarter Quarter Quarter
INTEREST AND DIVIDEND INCOME
Loans, including fees 114,340 117,334 118,577
Investment Securities:
Taxable 10,073 10,167 8,595
Tax-exempt 157 164 193
Dividends 278 214 389
Total Interest and Dividend Income 124,848 127,879 127,754
INTEREST EXPENSE
Deposits 38,354 40,627 36,662
Borrowings, junior subordinated debt securities and other 3,171 3,994 7,615
Total Interest Expense 41,525 44,621 44,277
NET INTEREST INCOME 83,323 83,258 83,477
Provision for credit losses (3,040) (2,462) 2,627
Net Interest Income After Provision for Credit Losses 86,363 85,720 80,850
NONINTEREST INCOME
(Loss) gain on sale of securities (2,295) (2,592) 3
Debit and credit card 4,188 4,627 4,235
Service charges on deposit accounts 3,962 4,175 3,828
Wealth management 3,084 3,151 3,042
Other 1,490 1,710 1,722
Total Noninterest Income 10,429 11,071 12,830
NONINTEREST EXPENSE
Salaries and employee benefits 29,853 30,816 29,512
Data processing and information technology 4,930 5,338 4,954
Occupancy 4,302 3,755 3,870
Furniture, equipment and software 3,483 3,295 3,472
Marketing 1,615 1,622 1,943
Other taxes 1,494 2,274 1,871
Professional services and legal 1,286 1,116 1,720
FDIC insurance 1,040 1,045 1,049
Other noninterest expense 7,088 6,184 6,129
Total Noninterest Expense 55,091 55,445 54,520
Income Before Taxes 41,701 41,346 39,160
Income tax expense 8,300 8,281 7,921
Net Income 33,401 33,065 31,239
Per Share Data
Shares outstanding at end of period 38,261,299 38,259,449 38,233,280
Average shares outstanding - diluted 38,599,656 38,570,784 38,418,085
Diluted earnings per share 0.87 0.86 0.81
Dividends declared per share 0.34 0.34 0.33
Dividend yield (annualized) 3.67 3.56 4.11
Dividends paid to net income 38.97 39.36 40.39
Book value 37.06 36.08 33.87
Tangible book value (1) 27.24 26.25 24.03
Market value 37.05 38.22 32.08
Profitability Ratios (Annualized)
Return on average assets 1.41 1.37 1.32
Return on average shareholders' equity 9.67 9.57 9.74
Return on average tangible shareholders' equity(2) 13.29 13.25 13.85
Pre-provision net revenue / average assets(3) 1.73 1.72 1.76
Efficiency ratio (FTE)(4) 56.99 56.93 56.21

All values are in US Dollars.

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S&T Bancorp, Inc.<br>Consolidated Selected Financial Data<br>Unaudited S&T Earnings Release - 6
2025 2024 2024
--- --- --- ---
First Fourth First
(dollars in thousands) Quarter Quarter Quarter
ASSETS
Cash and due from banks 211,836 244,820 207,462
Securities available for sale, at fair value 1,011,111 987,591 970,728
Commercial loans:
Commercial real estate 3,462,246 3,388,017 3,367,722
Commercial and industrial 1,520,475 1,540,397 1,597,119
Commercial construction 380,129 352,886 360,086
Total Commercial Loans 5,362,850 5,281,300 5,324,927
Consumer loans:
Residential mortgage 1,670,750 1,649,639 1,500,499
Home equity 660,594 653,756 645,780
Installment and other consumer 98,165 104,757 108,232
Consumer construction 43,990 53,506 76,596
Total Consumer Loans 2,473,499 2,461,658 2,331,107
Total Portfolio Loans 7,836,349 7,742,958 7,656,034
Allowance for credit losses (99,010) (101,494) (104,802)
Total Portfolio Loans, Net 7,737,339 7,641,464 7,551,232
Federal Home Loan Bank and other restricted stock, at cost 13,445 15,231 13,703
Goodwill 373,424 373,424 373,424
Other Intangible assets, net 2,813 3,055 3,762
Other assets 368,308 392,387 418,792
Total Assets 9,718,276 9,657,972 9,539,103
LIABILITIES
Deposits:
Noninterest-bearing demand 2,164,491 2,185,242 2,188,927
Interest-bearing demand 809,722 812,768 848,729
Money market 2,210,081 2,040,285 1,882,157
Savings 886,007 877,859 936,056
Certificates of deposit 1,822,632 1,866,963 1,744,478
Total Deposits 7,892,933 7,783,117 7,600,347
Borrowings:
Short-term borrowings 95,000 150,000 285,000
Long-term borrowings 50,876 50,896 39,156
Junior subordinated debt securities 49,433 49,418 49,373
Total Borrowings 195,309 250,314 373,529
Other liabilities 212,000 244,247 270,153
Total Liabilities 8,300,242 8,277,678 8,244,029
SHAREHOLDERS’ EQUITY
Total Shareholders’ Equity 1,418,034 1,380,294 1,295,074
Total Liabilities and Shareholders’ Equity 9,718,276 9,657,972 9,539,103
Capitalization Ratios
Shareholders' equity / assets 14.59 14.29 13.58
Tangible common equity / tangible assets(5) 11.16 10.82 10.03
Tier 1 leverage ratio 12.09 11.98 11.30
Common equity tier 1 capital 14.67 14.58 13.59
Risk-based capital - tier 1 14.99 14.90 13.91
Risk-based capital - total 16.57 16.49 15.49

All values are in US Dollars.

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S&T Bancorp, Inc.<br>Consolidated Selected Financial Data<br>Unaudited S&T Earnings Release - 7
2025 2024 2024
--- --- --- ---
First Fourth First
(dollars in thousands) Quarter Quarter Quarter
Net Interest Margin (FTE) (QTD Averages)
ASSETS
Interest-bearing deposits with banks 128,739 172,179 144,637
Securities, at fair value 990,414 992,653 966,703
Loans held for sale 117 176
Commercial real estate 3,395,599 3,328,052 3,365,142
Commercial and industrial 1,535,235 1,538,983 1,626,633
Commercial construction 374,881 368,566 365,088
Total Commercial Loans 5,305,715 5,235,601 5,356,863
Residential mortgage 1,660,177 1,635,313 1,478,609
Home equity 653,113 649,152 648,265
Installment and other consumer 99,402 105,478 110,899
Consumer construction 45,157 56,165 69,676
Total Consumer Loans 2,457,849 2,446,108 2,307,449
Total Portfolio Loans 7,763,564 7,681,709 7,664,312
Total Loans 7,763,564 7,681,826 7,664,488
Total other earning assets 16,768 13,680 25,335
Total Interest-earning Assets 8,899,485 8,860,338 8,801,163
Noninterest-earning assets 727,176 711,374 737,742
Total Assets 9,626,661 9,571,712 9,538,905
LIABILITIES AND SHAREHOLDERS' EQUITY
Interest-bearing demand 779,309 780,396 829,095
Money market 2,088,346 2,060,103 1,920,009
Savings 884,636 874,699 939,467
Certificates of deposit 1,860,840 1,818,755 1,639,059
Total Interest-bearing Deposits 5,613,131 5,533,953 5,327,630
Short-term borrowings 117,722 159,011 408,351
Long-term borrowings 50,886 66,364 39,221
Junior subordinated debt securities 49,423 49,408 49,364
Total Borrowings 218,031 274,783 496,936
Total Other Interest-bearing Liabilities 43,926 40,055 52,239
Total Interest-bearing Liabilities 5,875,088 5,848,791 5,876,805
Noninterest-bearing liabilities 2,350,574 2,348,014 2,371,586
Shareholders' equity 1,400,999 1,374,907 1,290,514
Total Liabilities and Shareholders' Equity 9,626,661 9,571,712 9,538,905
Net Interest Margin(6)

All values are in US Dollars.

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| S&T Bancorp, Inc.<br>Consolidated Selected Financial Data<br>Unaudited | S&T Earnings Release - 8 | | --- | --- || | 2025 | | 2024 | | 2024 | | | --- | --- | --- | --- | --- | --- | --- | | | First | | Fourth | | First | | | (dollars in thousands) | Quarter | | Quarter | | Quarter | | | Nonaccrual Loans | | | | | | | | Commercial loans: | | % Loans | | % Loans | | % Loans | | Commercial real estate | $3,441 | 0.10% | $4,173 | 0.12% | $18,082 | 0.54% | | Commercial and industrial | 6,749 | 0.44% | 12,570 | 0.82% | 3,092 | 0.19% | | Commercial construction | 1,006 | 0.26% | — | —% | 4,960 | 1.38% | | Total Nonaccrual Commercial Loans | 11,196 | 0.21% | 16,743 | 0.32% | 26,134 | 0.49% | | Consumer loans: | | | | | | | | Residential mortgage | 6,957 | 0.42% | 7,628 | 0.46% | 4,160 | 0.28% | | Home equity | 3,968 | 0.60% | 3,336 | 0.51% | 2,709 | 0.42% | | Installment and other consumer | 218 | 0.22% | 230 | 0.22% | 206 | 0.19% | | Total Nonaccrual Consumer Loans | 11,143 | 0.45% | 11,194 | 0.45% | 7,075 | 0.30% | | Total Nonaccrual Loans | $22,339 | 0.29% | $27,937 | 0.36% | $33,209 | 0.43% || | 2025 | 2024 | 2024 | | --- | --- | --- | --- | | | First | Fourth | First | | (dollars in thousands) | Quarter | Quarter | Quarter | | Loan (Recoveries) Charge-offs | | | | | Charge-offs | $884 | $1,964 | $6,939 | | Recoveries | (911) | (2,022) | (350) | | Net Loan (Recoveries) Charge-offs | ($27) | ($58) | $6,589 | | Net Loan (Recoveries) Charge-offs | | | | | Commercial loans: | | | | | Commercial real estate | ($146) | ($1,359) | $5,238 | | Commercial and industrial | 154 | 1,139 | 950 | | Commercial construction | 30 | — | — | | Total Commercial Loan Charge-offs (Recoveries) | 38 | (220) | 6,188 | | Consumer loans: | | | | | Residential mortgage | 13 | 10 | 7 | | Home equity | 19 | 114 | 105 | | Installment and other consumer | (97) | 38 | 289 | | Total Consumer Loan (Recoveries) Charge-offs | (65) | 162 | 401 | | Total Net Loan (Recoveries) Charge-offs | ($27) | ($58) | $6,589 | | | 2025 | 2024 | 2024 | | --- | --- | --- | --- | | | First | Fourth | First | | (dollars in thousands) | Quarter | Quarter | Quarter | | Asset Quality Data | | | | | Nonaccrual loans | 22,339 | 27,937 | 33,209 | | OREO | 29 | 8 | 140 | | Total nonperforming assets | 22,368 | 27,945 | 33,349 | | Nonaccrual loans / total loans | 0.29 | 0.36 | 0.43 | | Nonperforming assets / total loans plus OREO | 0.29 | 0.36 | 0.44 | | Allowance for credit losses / total portfolio loans | 1.26 | 1.31 | 1.37 | | Allowance for credit losses / nonaccrual loans | 443 | 363 | 316 | | Net loan (recoveries) charge-offs | (27) | (58) | 6,589 | | Net loan (recoveries) charge-offs (annualized) / average loans | (0.00 | (0.00 | 0.35 |

All values are in US Dollars.

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S&T Bancorp, Inc.<br>Consolidated Selected Financial Data<br>Unaudited S&T Earnings Release - 9

Definitions and Reconciliation of GAAP to Non-GAAP Financial Measures:

2025 2024 2024
First Fourth First
(dollars in thousands, except per share data) Quarter Quarter Quarter
(1) Tangible Book Value (non-GAAP)
Total shareholders' equity 1,418,034 1,380,294 1,295,074
Less: goodwill and other intangible assets, net of deferred tax liability (375,646) (375,837) (376,396)
Tangible common equity (non-GAAP) 1,042,388 1,004,457 918,678
Common shares outstanding 38,261,299 38,259,449 38,233,280
Tangible book value (non-GAAP) 27.24 26.25 24.03
Tangible book value is a preferred industry metric used to measure our company's value and commonly used by investors and analysts.
(2) Return on Average Tangible Shareholders' Equity (non-GAAP)
Net income (annualized) 135,460 131,541 125,643
Plus: amortization of intangibles (annualized), net of tax 772 858 944
Net income before amortization of intangibles (annualized) 136,232 132,399 126,587
Average total shareholders' equity 1,400,999 1,374,907 1,290,514
Less: average goodwill and other intangible assets, net of deferred tax liability (375,741) (375,879) (376,518)
Average tangible equity (non-GAAP) 1,025,258 999,028 913,996
Return on average tangible shareholders' equity (non-GAAP) 13.29 13.25 13.85
Return on average tangible shareholders' equity is a key profitability metric used by management to measure financial performance.
(3) Pre-provision Net Revenue / Average Assets (non-GAAP)
Income before taxes 41,701 41,346 39,160
Plus: net loss (gain) on sale of securities 2,295 2,592 (3)
Less: gain on Visa Class B-1 exchange (186)
Plus: Provision for credit losses (3,040) (2,462) 2,627
Total 40,956 41,290 41,784
Total (annualized) (non-GAAP) 166,099 164,262 168,054
Average assets 9,626,661 9,571,712 9,538,905
Pre-provision Net Revenue / Average Assets (non-GAAP) 1.73 1.72 1.76
Pre-provision net revenue to average assets is income before taxes adjusted to exclude provision for credit losses, losses (gains) on sale of securities and gain on Visa exchange. We believe this to be a preferred industry measurement to help evaluate our ability to fund credit losses or build capital.
(4) Efficiency Ratio (non-GAAP)
Noninterest expense 55,091 55,445 54,520
Net interest income per consolidated statements of net income 83,323 83,258 83,477
Plus: taxable equivalent adjustment 617 660 692
Net interest income (FTE) (non-GAAP) 83,940 83,918 84,169
Noninterest income 10,429 11,071 12,830
Plus: net loss (gain) on sale of securities 2,295 2,592 (3)
Less: gain on Visa Class B-1 exchange (186)
Net interest income (FTE) (non-GAAP) plus noninterest income 96,664 97,395 96,996
Efficiency ratio (non-GAAP) 56.99 56.93 56.21
The efficiency ratio is noninterest expense divided by noninterest income plus net interest income, on an FTE basis (non-GAAP), adjusted to exclude losses (gains) on sale of securities and gain on Visa exchange. We believe the FTE basis ensures comparability of net interest income arising from both taxable and tax-exempt sources and is consistent with industry practice.

All values are in US Dollars.

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S&T Bancorp, Inc.<br>Consolidated Selected Financial Data<br>Unaudited S&T Earnings Release - 10

Definitions and Reconciliation of GAAP to Non-GAAP Financial Measures:

2025 2024 2024
First Fourth First
(dollars in thousands) Quarter Quarter Quarter
(5) Tangible Common Equity / Tangible Assets (non-GAAP)
Total shareholders' equity 1,418,034 1,380,294 1,295,074
Less: goodwill and other intangible assets, net of deferred tax liability (375,646) (375,837) (376,396)
Tangible common equity (non-GAAP) 1,042,388 1,004,457 918,678
Total assets 9,718,276 9,657,972 9,539,103
Less: goodwill and other intangible assets, net of deferred tax liability (375,646) (375,837) (376,396)
Tangible assets (non-GAAP) 9,342,630 9,282,135 9,162,707
Tangible common equity to tangible assets (non-GAAP) 11.16 10.82 10.03
Tangible common equity to tangible assets is a preferred industry measurement to evaluate capital adequacy.
(6) Net Interest Margin Rate (FTE) (non-GAAP)
Interest income and dividend income 124,848 127,879 127,754
Less: interest expense (41,525) (44,621) (44,277)
Net interest income per consolidated statements of net income 83,323 83,258 83,477
Plus: taxable equivalent adjustment 617 660 692
Net interest income (FTE) (non-GAAP) 83,940 83,918 84,169
Net interest income (FTE) (annualized) 340,423 333,848 338,526
Average interest-earning assets 8,899,485 8,860,338 8,801,163
Net interest margin (FTE) (non-GAAP) 3.81 3.77 3.84
The interest income on interest-earning assets, net interest income and net interest margin are presented on an FTE basis (non-GAAP). The FTE basis (non-GAAP) adjusts for the tax benefit of income on certain tax-exempt loans and securities and the dividend-received deduction for equity securities using the federal statutory tax rate of 21 percent for each period. We believe this to be the preferred industry measurement of net interest income that provides a relevant comparison between taxable and non-taxable sources of interest income.

All values are in US Dollars.

earningssupplement-first

First Quarter 2025 Earnings Supplement


Forward Looking Statements and Risk Factors This information contains or incorporates statements that we believe are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements generally relate to our financial condition, results of operations, plans, objectives, outlook for earnings, revenues, expenses, capital and liquidity levels and ratios, asset levels, asset quality, financial position and other matters regarding or affecting S&T and its future business and operations. Forward-looking statements are typically identified by words or phrases such as “will likely result,” “expect,” “anticipate,” “estimate,” “forecast,” “project,” “intend,” “believe,” “assume,” “strategy,” “trend,” “plan,” “outlook,” “outcome,” “continue,” “remain,” “potential,” “opportunity,” “comfortable,” “current,” “position,” “maintain,” “sustain,” “seek,” “achieve” and variations of such words and similar expressions, or future or conditional verbs such as “will,” “would,” “should,” “could” or “may.” Although we believe the assumptions upon which these forward-looking statements are based are reasonable, any of these assumptions could prove to be inaccurate and the forward-looking statements based on these assumptions could be incorrect. The matters discussed in these forward-looking statements are subject to various risks, uncertainties and other factors that could cause actual results and trends to differ materially from those made, projected or implied in or by the forward-looking statements depending on a variety of uncertainties or other factors including, but not limited to: credit losses and the credit risk of our commercial and consumer loan products; changes in the level of charge- offs and changes in estimates of the adequacy of the allowance for credit losses, or ACL; cybersecurity concerns; rapid technological developments and changes; operational risks or risk management failures by us or critical third parties, including fraud risk; our ability to manage our reputational risks; sensitivity to the interest rate environment, a rapid increase in interest rates or a change in the shape of the yield curve; a change in spreads on interest-earning assets and interest-bearing liabilities; regulatory supervision and oversight, including changes in regulatory capital requirements and our ability to address those requirements; unanticipated changes in our liquidity position; unanticipated changes in regulatory and governmental policies impacting interest rates and financial markets; changes in accounting policies, practices or guidance; legislation affecting the financial services industry as a whole, and S&T, in particular; developments affecting the industry and the soundness of financial institutions and further disruption to the economy and U.S. banking system; the outcome of pending and future litigation and governmental proceedings; increasing price and product/service competition; the ability to continue to introduce competitive new products and services on a timely, cost-effective basis; managing our internal growth and acquisitions; the possibility that the anticipated benefits from acquisitions cannot be fully realized in a timely manner or at all, or that integrating the acquired operations will be more difficult, disruptive or costly than anticipated; containing costs and expenses; reliance on significant customer relationships; an interruption or cessation of an important service by a third-party provider; our ability to attract and retain talented executives and other employees; general economic or business conditions, including the strength of regional economic conditions in our market area; ESG practices and disclosures, including climate change, hiring practices, the diversity of the work force and racial and social justice issues; deterioration of the housing market and reduced demand for mortgages; deterioration in the overall macroeconomic conditions or the state of the banking industry that could warrant further analysis of the carrying value of goodwill and could result in an adjustment to its carrying value resulting in a non-cash charge to net income; the stability of our core deposit base and access to contingency funding; re- emergence of turbulence in significant portions of the global financial and real estate markets that could impact our performance, both directly, by affecting our revenues and the value of our assets and liabilities, and indirectly, by affecting the economy generally and access to capital in the amounts, at the times and on the terms required to support our future businesses and geopolitical tensions and conflicts between nations. Many of these factors, as well as other factors, are described in our Annual Report on Form 10-K for the year ended December 31, 2023, including Part I, Item 1A-"Risk Factors" and any of our subsequent filings with the SEC. Forward-looking statements are based on beliefs and assumptions using information available at the time the statements are made. We caution you not to unduly rely on forward-looking statements because the assumptions, beliefs, expectations and projections about future events may, and often do, differ materially from actual results. Any forward-looking statement speaks only as to the date on which it is made, and we undertake no obligation to update any forward-looking statement to reflect developments occurring after the statement is made. Non-GAAP Financial Measures In addition to the traditional measures presented in accordance with Generally Accepted Accounting Principles (GAAP), S&T management uses and this presentation contains or references certain non-GAAP financial measures, such as net interest income on a fully taxable equivalent basis. S&T believes these non-GAAP financial measures provide information useful to investors in understanding our underlying business, operational performance and performance trends which facilitate comparisons with the performance of others in the financial services industry. Although S&T believes that these non-GAAP financial measures enhance investors’ understanding of S&T’s business and performance, these non-GAAP financial measures should not be considered an alternative to GAAP or considered to be more important than financial results determined in accordance with GAAP, nor are they necessarily comparable with non-GAAP measures which may be presented by other companies. The non-GAAP financial measures contained within this presentation should be read in conjunction with the audited financial statements and analysis as presented in the Annual Report on Form 10-K as well as the unaudited financial statements and analyses as presented in the respective Quarterly Reports in Exhibit 99.1 of Form 8-K for S&T Bancorp, Inc. and subsidiaries. 2


3 First Quarter Overview RETURN METRICS EARNINGS Net Income $33.4 million *Refer to appendix for reconciliation of non-GAAP financial measures EPS $0.87 ROA 1.41% ROE 9.67% ROTE* 13.29% PPNR* 1.73% HIGHLIGHTS • Strong earnings and return metrics • NIM increase of 4 basis points to 3.81% • Securities repositioning positively impacting net interest income • Solid loan and deposit growth • Maintained solid asset quality metrics • Net loan recoveries and a negative $3.0 million provision for credit losses ACL 1.26% NCO (0.00)% ASSET QUALITY NPA 0.29% NIM* 3.81% Efficiency Ratio* 56.99% BALANCE SHEET Loan growth $93.4 million 4.89% (annualized) Deposit growth $109.8 million 5.72% (annualized) OTHER


4 Balance Sheet • Strong customer deposit growth of $134.7 million (7.23% annualized) • Reduction in borrowings of $55.0 million and brokered deposits of $24.9 million • Loan growth of $93.4 million (4.89% annualized) primarily commercial Dollars in millions 1Q25 4Q24 Var $ 212 $ 245 $ (33) 1,011 988 23 7,836 7,743 93 7,893 7,783 110 195 250 (55) (150) (100) (50) 0 50 100 150 Cash & Int Bear Bal Securities Loans Total Deposits Borrowings 1Q25 vs 4Q24: 1Q25 vs 4Q24 DEPOSIT CHANGES DECREASES/INCREASES


5 Asset Quality ACL Trend: Dollars in millions ASSET QUALITY TRENDS • ACL down 5 basis points to 1.26% compared to 1.31% at December 31, 2024 • Decrease in ACL related to a $4.2 million decline in specific reserves • NPAs decreased 7 basis points to 0.29% of total portfolio loans plus OREO • Actively monitoring economic environment % o f A verage Lo ans Net Loan Charge-Offs/(Recoveries) 1Q24 2Q24 3Q24 4Q24 1Q25 $(5) $0 $5 $10 $15 (0.30)% 0.00% 0.30% 0.60% 0.90% % o f Po rtfo lio Lo ans and O R EO Nonperforming Assets 1Q24 2Q24 3Q24 4Q24 1Q25 $0 $20 $40 $60 0.00% 0.25% 0.50% 0.75% % o f G ro ss Lo ans ACL 1Q24 2Q24 3Q24 4Q24 1Q25 $0 $20 $40 $60 $80 $100 $120 0.00% 0.25% 0.50% 0.75% 1.00% 1.25% 1.50%


6 Net Interest Income Dollars in millions; *Refer to appendix for reconciliation of non-GAAP financial measures $83.5 $83.6 $84.5 $83.3 $83.3 3.84% 3.85% 3.82% 3.77% 3.81% NII NIM FTE* 1Q24 2Q24 3Q24 4Q24 1Q25 Total Cost of Funds 0.15% 0.05% 0.07% (0.11)% (0.12)% 2.19% 2.24% 2.31% 2.20% 2.08% Changes in Cost of Funds Cost of Funds 1Q24 2Q24 3Q24 4Q24 1Q25 • NIM increased 4 basis points • Cost of funds declined 12 basis points due to lower rates on deposits and reduced levels of borrowings and brokered CDs


7 1Q25 1Q25 vs 4Q24 1Q25 vs 1Q24 Debit and Credit Card $4.2 ($0.4) $— Service Charges 4.0 (0.2) 0.1 Wealth Management 3.1 (0.1) — Loss on Sale of Securities (2.3) 0.3 (2.3) Other 1.4 (0.3) (0.2) Noninterest Income $10.4 ($0.7) ($2.4) Noninterest Income Dollars in millions • Repositioned $193.6 million of securities over the past 4 quarters which will positively impact net interest income by $5.0 million in 2025 • Customer activity seasonally slower $12.8 $13.5 $14.1 $13.7 $12.7


8 1Q25 1Q25 vs 4Q24 1Q25 vs 1Q24 Salaries & Benefits $29.9 ($0.9) $0.3 Data Processing 4.9 (0.4) — Occupancy 4.3 0.5 0.4 FF&E 3.5 0.2 — Other Taxes 1.5 (0.8) (0.4) Marketing 1.6 — (0.3) Professional Services 1.3 0.2 (0.4) FDIC 1.0 — — Other 7.1 0.9 1.0 Noninterest Expense $55.1 ($0.3) $0.6 Noninterest Expense Dollars in millions; *Refer to appendix for reconciliation of non-GAAP financial measures • Expenses remain consistent • Salaries & benefits decreased primarily due to lower medical expense


9 Capital Dollars in millions; *Refer to appendix for reconciliation of non-GAAP financial measures TCE / TA* • We have strong capital levels and are well positioned for growth • TCE / TA higher from prior quarter due to lower AOCI and strong earnings 10.03% 10.21% 10.86% 10.82% 11.16% 1Q24 2Q24 3Q24 4Q24 1Q25


1Q25 Return on Average Tangible Shareholders' Equity (ROTE) (non-GAAP) Net income (annualized) $135,460 Plus: amortization of intangibles (annualized), net of tax 772 Net income before amortization of intangibles (annualized) $136,232 Average total shareholders' equity $1,400,999 Less: average goodwill and other intangible assets, net of deferred tax liability (375,741) Average tangible equity (non-GAAP) $1,025,258 Return on average tangible shareholders' equity (non-GAAP) 13.29 % Return on average tangible shareholders' equity is a key profitability metric used by management to measure financial performance. Pre-provision Net Revenue (PPNR)/Average Assets (non-GAAP) Income before taxes $41,701 Plus: net loss on sale of securities 2,295 Less: gain on Visa Class B-1 exchange — Plus: Provision for credit losses (3,040) Total $40,956 Total (annualized) (non-GAAP) $166,099 Average assets $9,626,661 PPNR/Average Assets (non-GAAP) 1.73 % Pre-provision net revenue to average assets is income before taxes adjusted to exclude provision for credit losses, losses on sale of securities and gain on Visa exchange. We believe this to be a preferred industry measurement to help evaluate our ability to fund credit losses or build capital. Appendix Definitions of GAAP to Non-GAAP Financial Measures 10


1Q25 4Q24 3Q24 2Q24 1Q24 Tangible Common Equity (TCE)/Tangible Assets (non-GAAP) Total shareholders' equity $1,418,034 $1,380,294 $1,375,754 $1,321,443 $1,295,074 Less: goodwill and other intangible assets, net of deferred tax liability (375,646) (375,837) (375,931) (376,154) (376,396) Tangible common equity (non-GAAP) $1,042,388 $1,004,457 $999,823 $945,289 $918,678 Total assets $9,718,276 $9,657,972 $9,583,947 $9,635,462 $9,539,103 Less: goodwill and other intangible assets, net of deferred tax liability (375,646) (375,837) (375,931) (376,154) (376,396) Tangible assets (non-GAAP) $9,342,630 $9,282,135 $9,208,016 $9,259,308 $9,162,707 Tangible common equity to tangible assets (non-GAAP) 11.16 % 10.82 % 10.86 % 10.21 % 10.03 % Tangible common equity to tangible assets is a preferred industry measurement to evaluate capital adequacy. Efficiency Ratio (non-GAAP) Noninterest expense $55,091 $55,445 $55,365 $53,608 $54,520 Net interest income $83,323 $83,258 $84,477 $83,594 $83,477 Plus: taxable equivalent adjustment 617 660 671 682 692 Net interest income (FTE) (non-GAAP) 83,940 83,918 85,148 84,276 84,169 Noninterest income 10,429 11,071 11,877 13,305 12,830 Plus: net loss (gain) on sale of securities 2,295 2,592 2,199 3,150 (3) Less: gain on Visa Class B-1 exchange — (186) (150) (3,156) — Net interest income (FTE) (non-GAAP) plus noninterest income $96,664 $97,395 $99,074 $97,575 $96,999 Efficiency ratio (non-GAAP) 56.99 % 56.93 % 55.88 % 54.94 % 56.21 % The efficiency ratio is noninterest expense divided by noninterest income plus net interest income, on an FTE basis (non-GAAP), adjusted to exclude losses (gains) on sale of securities and gain on Visa exchange. We believe the FTE basis ensures comparability of net interest income arising from both taxable and tax-exempt sources and is consistent with industry practice. Net Interest Margin Rate (NIM) (FTE) (non-GAAP) Interest income and dividend income $124,848 $127,879 $131,474 $128,765 $127,754 Less: interest expense (41,525) (44,621) (46,997) (45,171) (44,277) Net interest income 83,323 83,258 84,477 83,594 83,477 Plus: taxable equivalent adjustment 617 660 671 682 692 Net interest income (FTE) (non-GAAP) $83,940 $83,918 $85,148 $84,276 $84,169 Net interest income (FTE) (annualized) $340,423 $333,848 $338,741 $338,956 $338,526 Average interest-earning assets $8,899,485 $8,860,338 $8,875,757 $8,803,898 $8,801,163 Net interest margin (FTE) (non-GAAP) 3.81 % 3.77 % 3.82 % 3.85 % 3.84 % The interest income on interest-earning assets, net interest income and net interest margin are presented on an FTE basis (non-GAAP). The FTE basis (non-GAAP) adjusts for the tax benefit of income on certain tax-exempt loans and securities and the dividend-received deduction for equity securities using the federal statutory tax rate of 21 percent for each period. We believe this to be the preferred industry measurement of net interest income that provides a relevant comparison between taxable and non-taxable sources of interest income. Appendix Definitions of GAAP to Non-GAAP Financial Measures 11