8-K

A10 Networks, Inc. (ATEN)

8-K 2022-08-02 For: 2022-08-02
View Original
Added on April 04, 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

August 2, 2022

Date of Report (Date of earliest event reported)

____________________________________________________________________________

aten-20220802_g1.jpg

A10 NETWORKS, INC.

(Exact name of the registrant as specified in its charter)

____________________________________________________________________________

Delaware 001-36343 20-1446869
(State or Other Jurisdiction of Incorporation or Organization) (Commission File Number) (I.R.S. Employer Identification Number)

2300 Orchard Parkway

San Jose, CA 95131

(Address of principal executive offices, including zip code)

(408) 325-8668

(Name and telephone number, including area code, of the person to contact in connection with this report)

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, $0.00001 par value per share ATEN New York Stock Exchange

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 August 2, 2022, A10 Networks, Inc. (the “Company”) issued a press release regarding financial results for the quarter ended June 30, 2022. A copy of the press release is furnished herewith as Exhibit 99.1.

Item 7.01    Regulation FD Disclosure

On August 2, 2022, the Company posted on its website (www.a10networks.com) slides regarding the financial results for the quarter ended June 30, 2022. A copy of the slides is attached as Exhibit 99.2 and the information in Exhibit 99.2 is incorporated herein by reference.

The information in Item 2.02, Item 7.01, Item 8.01 and Item 9.01 in this Current Report on Form 8-K and the exhibits attached hereto shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended. The information in Item 2.02 shall not be incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 8.01    Other Events.

On August 2, 2022, the Company announced that its Board of Directors (the “Board”) declared a quarterly dividend. The quarterly dividend, in the amount of $0.05 per share, will be payable, subject to any prior revocation, on September 1, 2022 to stockholders of record on August 15, 2022. Future dividends will be subject to further review and approval by the Board in accordance with applicable law. The Board reserves the right to adjust or withdraw the quarterly dividend in future periods as it reviews A10’s capital allocation strategy from time-to-time.

Forward Looking Statements

Item 8.01 contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Exchange Act, including statements regarding the Company’s dividend program. These forward-looking statements involve risks and uncertainties. These forward-looking statements may be identified by terms such as “will,” “may,” “plans,” or the negative of these terms, and similar expressions intended to identify forward-looking statements. These forward-looking statements include, but are not limited to, statements regarding the anticipated amount, duration, methods, timing and other aspects of our dividend program and any anticipated benefits or value resulting from any such dividends. These statements involve known and unknown risks, uncertainties and other factors which may cause actual results, performance or achievements to differ materially from those expressed or implied by such forward-looking statements. These risks and uncertainties include, but are not limited to, any unforeseen need for capital which may require us to divert funds we may have otherwise used for the dividend program, which may in turn negatively impact our ability to administer the quarterly dividends. In addition, the timing and amount of future dividends, if any, will be made as management deems appropriate and will depend on a variety of factors including stock price, market conditions, corporate and regulatory requirements (including applicable securities laws and regulations and the rules of The New York Stock Exchange), any additional constraints related to material inside information the Company may possess, and capital availability. More information regarding these and other risks, uncertainties and factors is contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021, as filed with the SEC, and in other reports filed by the Company with the SEC from time to time. You are cautioned not to unduly rely on these forward-looking statements, which speak only as of the date of this press release. All information in this press release and its attachments is as of the date stated and unless required by law, The Company undertakes no obligation to publicly revise any forward-looking statement to reflect circumstances or events after the date of this press release or to report the occurrence of unanticipated events other than as required by law or regulation.

Item 9.01    Financial Statements and Exhibits

(d) Exhibits

Exhibit Description
99.1 Press release datedAugust 2, 2022.
99.2 Slides of A10 Network, Inc. datedAugust 2, 2022, regarding financial results of thesecondquarter endedJune 30, 2022.

SIGNATURE

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 hereunto duly authorized.

Date: August 2, 2022

A10 NETWORKS, INC.
By: /s/ Brian Becker
Brian Becker
Chief Financial Officer (Principal Accounting and Financial Officer)

Document

EXHIBIT 99.1

a10logo.jpg

A10 Networks Reports 14.9% Organic Growth for Q2 2022,

Driven by Growth in Proprietary Security-Led Solutions

Demand for security solutions drives 20.7% product revenue growth and 57.4% improvement in net income, enabling growth investments and the return of $7.2 million to shareholders via buybacks and dividend

Company reiterates full-year guidance

SAN JOSE, Calif., August 2, 2022 -- A10 Networks (NYSE: ATEN), a leading provider of cybersecurity and infrastructure solutions, today announced financial results for its second quarter and six-month period ended June 30, 2022.

Second Quarter 2022 Financial Summary

• Revenue of $68.0 million, up 14.9% year-over-year.

• Revenue growth led by a 33.7% increase in the Americas year-over-year.

• GAAP gross margin of 80.2%; non-GAAP gross margin of 80.6% as a result of better product mix and continued successful navigation of short-term input cost pressures.

• GAAP net income of $10.4 million, or $0.13 per diluted share, compared with GAAP net income of $6.6 million, or $0.08 per diluted share in the second quarter of 2021.

• Non-GAAP net income of $13.4 million, or $0.17 per diluted share, compared with non-GAAP net income of $10.5 million, or $0.13 per diluted share in the second quarter of 2021.

• Adjusted EBITDA of $18.0 million, representing 26.4% of revenue, in line with stated business model goals.

• Returned $7.2 million to shareholders through the repurchase of approximately 248,000 shares during the quarter for a total of $3.4 million and the issuance of $3.8 million in cash dividends.

• The Board of Directors declared a quarterly cash dividend of $0.05 per share, payable on September 1, 2022 to stockholders of record at the close of business on August 15, 2022.

A reconciliation between GAAP and non-GAAP information is contained in the financial statements below.

“Continued strong demand for our proprietary, security-led solutions, combined with sustained business execution, resulted in 14.9% top-line growth and overall performance that exceeded our ‘Rule of 40’ target,” said Dhrupad Trivedi, President and Chief Executive Officer of A10 Networks. “The increasing threat of cyberattacks, exacerbated by geopolitical events in Europe, Asia and elsewhere, make our security and infrastructure solutions a growing priority even as certain non-security investments are reprioritized due to macroeconomic concerns. We are capturing market share through better technology that helps our customers to achieve their business goals and we continue to invest in strategic growth opportunities. Simultaneously, our proven business model, including gross profit margins exceeding 80% and Adjusted EBITDA margins of 26% enable us to deliver consistent shareholder returns through share repurchases and a quarterly cash dividend.”

“We have been able to successfully navigate supply chain challenges and input cost pressures, as evidenced by our stable gross margins, and we expect these challenges will persist for some time,” continued Trivedi. “We reiterate our full year targets around top line growth of 10 – 12% and expanding EBITDA in the range of 26 – 28% of revenue. Our targeted, strategic investments in technology are enabling us to capture market share, while our diversity of revenue and cybersecurity solutions serve as catalysts for durable growth, even amidst macroeconomic conditions.”

Conference Call

Management will host a call at 1:30 p.m. Pacific time (4:30 p.m. Eastern time) today, August 2, 2022, to discuss these results. Interested parties may access the conference call by dialing (844) 200-6205 (toll-free) or (929) 526-1599 and entering passcode 598873.

A live audio webcast of the conference call will be accessible from the “Investor Relations” section of A10 Network’s website at investors.a10networks.com. The webcast will be archived for at least 90 days. A telephonic replay of the conference call will be available two hours after the conclusion of the live call and will run for seven days and may be accessed by dialing (866) 813-9403 (toll-free) or (929) 458-6194 and entering the passcode 107391.

Forward-Looking Statements

This press release contains “forward-looking statements,” including statements regarding our anticipated future financial results, quarterly dividend payments, drivers of growth, demand, supply chain challenges, positioning, growth and EBITDA expectations. Forward-looking statements are subject to known and unknown risks and uncertainties and are based on assumptions that may prove to be incorrect, which could cause actual results to differ materially from those expected or implied by the forward-looking statements. Factors that may cause actual results to differ include the impact of the COVID-19 pandemic on our business and the business of our customers; a significant decline in global macroeconomic or political conditions that have an adverse impact on our business and financial results; business interruptions related to our supply chain; our ability to manage our business and expenses if customers cancel or delay orders; execution risks related to closing key deals and improving our execution; the continued market adoption of our products; our ability to successfully anticipate market needs and opportunities; our timely development of new products and features; our ability to achieve or maintain profitability; any loss or delay of expected purchases by our largest end-customers; our ability to maintain or improve our competitive position; competitive and execution risks related to cloud-based computing trends; our ability to attract and retain new end-customers and our largest end-consumers; our ability to maintain and enhance our brand and reputation, changes demanded by our customers in the deployment and payment model for our products; continued growth in markets relating to network security; the success of any future acquisitions or investments in complementary companies, products, services or technologies; the ability of our sales team to execute well; our ability to shorten our close cycles; the ability of our channel partners to sell our products; variations in product mix or geographic locations of our sales; risks associated with our presence in international markets; weaknesses or deficiencies in our internal control over financial reporting; our ability to timely file periodic reports required to be filed under the Securities Exchange Act of 1934; and other risks that are described in “Risk Factors” in our periodic filings with the Securities and Exchange Commission, including our Form 10-K filed with the Securities and Exchange Commission on March 8, 2022. We do not intend to update or alter our forward-looking statements, whether as a result of new information, future events or otherwise, except as required by applicable law.

Non-GAAP Financial Measures

In addition to disclosing financial measures prepared in accordance with U.S. generally accepted accounting principles (GAAP), this press release and the accompanying tables and Exhibit 99.2 to our Current Report on Form 8-K filed with the Securities and Exchange Commission on the date of this release contain certain non-GAAP financial measures, including non-GAAP net income, non-GAAP net income per basic and diluted share, non-GAAP gross profit and gross margin, non-GAAP operating income and operating margin, non-GAAP operating expenses, and Adjusted EBITDA. Non-GAAP financial measures do not have any standardized meaning and are therefore unlikely to be comparable to similarly titled measures presented by other companies.

A10 Networks considers these non-GAAP financial measures to be important because they provide useful measures of the operating performance of the company, exclusive of unusual events or factors that do not directly affect what we consider to be our core operating performance and are used by the company's management for that purpose.

Non-GAAP financial measures should not be considered in isolation from, or as a substitute for, financial information prepared in accordance with GAAP.

We define non-GAAP net income as our GAAP net income excluding: (i) stock-based compensation and related payroll tax, (ii) amortization expense related to acquisition and (iii) global distribution center transition expense. We define non-GAAP net income per basic and diluted share as our non-GAAP net income divided by our basic and diluted weighted-average shares outstanding. We define non-GAAP gross profit as our GAAP gross profit excluding (i) stock-based compensation and related payroll tax, and (ii) global distribution center transition expense. We define non-GAAP gross margin as our non-GAAP gross

profit divided by our GAAP revenue. We define non-GAAP operating income as our GAAP income from operations excluding (i) stock-based compensation and related payroll tax, (ii) amortization expense related to acquisition and (iii) global distribution center transition expense. We define non-GAAP operating margin as our non-GAAP operating income divided by our GAAP revenue. We define non-GAAP operating expenses as our GAAP operating expenses excluding (i) stock-based compensation and related payroll tax, (ii) amortization expense related to acquisition and (iii) global distribution center transition expense. We define Adjusted EBITDA as our GAAP net income excluding (i) interest expense (if any), (ii) interest income and other (income) expense, net, (iii) depreciation and amortization expense, (iv) benefit from (provision for) income taxes, (v) stock-based compensation and related payroll tax and (vi) global distribution center transition expense.

We have included our non-GAAP net income, non-GAAP gross profit and gross margin, non-GAAP operating income and operating margin, non-GAAP operating expenses and Adjusted EBITDA in this press release. Non-GAAP financial measures are presented for supplemental informational purposes only for understanding the company's operating results.

About A10 Networks

A10 Networks (NYSE: ATEN) provides secure application services and solutions for on-premises, multi-cloud and edge-cloud environments at hyperscale. Our mission is to enable service providers and enterprises to deliver business-critical applications that are secure, available and efficient for multi-cloud transformation and 5G readiness. We deliver better business outcomes that support investment protection, new business models and help future-proof infrastructures, empowering our customers to provide the most secure and available digital experience. Founded in 2004, A10 Networks is based in San Jose, Calif. and serves customers globally. For more information, visit https://www.a10networks.com/ and follow us @A10Networks.

The A10 logo and A10 Networks are trademarks or registered trademarks of A10 Networks, Inc. in the United States and other countries. All other trademarks are the property of their respective owners.

Investor Contact:

Rob Fink / Tom Baumann

FNK IR

646.809.4048 / 646.349.6641

aten@fnkir.com

Brian Becker

Chief Financial Officer

investors@a10networks.com

Source: A10 Networks, Inc.

A10 NETWORKS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited, in thousands, except per share amounts, on a GAAP Basis)

Three Months Ended June 30, Six Months Ended June 30,
2022 2021 2022 2021
Revenue:
Products $ 41,475 $ 34,363 $ 78,520 $ 64,903
Services 26,498 24,805 52,125 49,108
Total revenue 67,973 59,168 130,645 114,011
Cost of revenue:
Products 9,518 8,215 18,151 15,301
Services 3,967 5,415 8,173 10,828
Total cost of revenue 13,485 13,630 26,324 26,129
Gross profit 54,488 45,538 104,321 87,882
Operating expenses:
Sales and marketing 21,773 19,749 44,555 38,841
Research and development 14,235 13,491 27,122 27,472
General and administrative 5,337 5,082 11,499 10,329
Total operating expenses 41,345 38,322 83,176 76,642
Income from operations 13,143 7,216 21,145 11,240
Non-operating income (expense), net:
Interest income 184 96 304 241
Other income (expense), net 301 (208) (332) (1,536)
Total non-operating income (expense), net 485 (112) (28) (1,295)
Income before provision for income taxes 13,628 7,104 21,117 9,945
Provision for income taxes 3,212 488 4,352 672
Net income $ 10,416 $ 6,616 $ 16,765 $ 9,273
Net income per share:
Basic $ 0.14 $ 0.09 $ 0.22 $ 0.12
Diluted $ 0.13 $ 0.08 $ 0.21 $ 0.12
Weighted-average shares used in computing net income per share:
Basic 75,893 76,774 76,343 76,745
Diluted 78,306 79,316 78,809 79,501

A10 NETWORKS, INC.

RECONCILIATION OF GAAP NET INCOME TO NON-GAAP NET INCOME

(unaudited, in thousands, except per share amounts)

Three Months Ended June 30, Six Months Ended June 30,
2022 2021 2022 2021
GAAP net income $ 10,416 $ 6,616 $ 16,765 $ 9,273
Non-GAAP adjustments:
Stock-based compensation and related payroll tax 2,944 2,612 6,625 7,232
Amortization expense related to acquisition 252 505
Global distribution center transition expense 1,036 2,947
Non-GAAP net income $ 13,360 $ 10,516 $ 23,390 $ 19,957
GAAP net income per share:
Basic $ 0.14 $ 0.09 $ 0.22 $ 0.12
Diluted $ 0.13 $ 0.08 $ 0.21 $ 0.12
Non-GAAP adjustments:
Stock-based compensation and related payroll tax 0.04 0.04 0.09 0.09
Amortization expense related to acquisition 0.00 0.01
Global distribution center transition expense 0.01 0.04
Non-GAAP net income per share:
Basic $ 0.18 $ 0.14 $ 0.31 $ 0.26
Diluted $ 0.17 $ 0.13 $ 0.30 $ 0.25
Weighted-average shares used in computing non-GAAP net income per share:
Basic 75,893 76,774 76,343 76,745
Diluted 78,306 79,316 78,809 79,501

A10 NETWORKS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(unaudited, in thousands, except par value, on a GAAP Basis)

June 30, 2022 December 31, 2021
ASSETS
Current assets:
Cash and cash equivalents $ 84,242 $ 78,925
Marketable securities 82,551 106,117
Accounts receivable, net of allowances of $447 and $543, respectively 67,908 61,795
Inventory 21,926 22,462
Prepaid expenses and other current assets 15,038 14,720
Total current assets 271,665 284,019
Property and equipment, net 15,046 10,692
Goodwill 1,307 1,307
Deferred tax assets, net 65,557 65,773
Other non-current assets 30,990 31,294
Total assets $ 384,565 $ 393,085
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable $ 5,567 $ 6,852
Accrued liabilities 36,870 36,101
Deferred revenue 80,022 73,132
Total current liabilities 122,459 116,085
Deferred revenue, non-current 47,848 48,499
Other non-current liabilities 19,499 19,613
Total liabilities 189,806 184,197
Stockholders' equity:
Common stock, $0.00001 par value: 500,000 shares authorized; 85,626 and 84,717 shares issued and 75,962 and 77,423 shares outstanding, respectively 1 1
Treasury stock, at cost: 9,664 and 7,294 shares, respectively (87,435) (55,677)
Additional paid-in-capital 455,539 446,035
Dividends paid (11,543) (3,880)
Accumulated other comprehensive income (1,206) (229)
Accumulated deficit (160,597) (177,362)
Total stockholders' equity 194,759 208,888
Total liabilities and stockholders' equity $ 384,565 $ 393,085

A10 NETWORKS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited, in thousands, on a GAAP Basis)

Six Months Ended June 30,
2022 2021
Cash flows from operating activities:
Net income $ 16,765 $ 9,273
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization 3,712 4,753
Stock-based compensation 6,313 6,891
Other non-cash items 113 531
Changes in operating assets and liabilities:
Accounts receivable (5,580) 882
Inventory (31) 1,499
Prepaid expenses and other assets (2,163) (1,200)
Accounts payable (1,283) 821
Accrued liabilities 655 (11,642)
Deferred revenue 6,239 7,628
Net cash provided by operating activities 24,740 19,436
Cash flows from investing activities:
Proceeds from sales of marketable securities 4,550 2,865
Proceeds from maturities of marketable securities 39,148 48,586
Purchases of marketable securities (21,649) (76,141)
Purchases of property and equipment (5,021) (2,443)
Net cash provided by (used in) investing activities 17,028 (27,133)
Cash flows from financing activities:
Proceeds from issuance of common stock under employee equity incentive plans 2,970 3,578
Repurchase of common stock (31,758) (11,213)
Payments for dividends (7,663)
Net cash used in financing activities (36,451) (7,635)
Net increase (decrease) in cash and cash equivalents 5,317 (15,332)
Cash and cash equivalents—beginning of period 78,925 83,281
Cash and cash equivalents—end of period $ 84,242 $ 67,949
Non-cash investing and financing activities:
Transfers between inventory and property and equipment $ 567 $ 146
Purchases of property and equipment included in accounts payable $ 1 $ 11

A10 NETWORKS, INC.

RECONCILIATION OF GAAP GROSS PROFIT TO NON-GAAP GROSS PROFIT

(unaudited, in thousands, except percentages)

Three Months Ended June 30, Six Months Ended June 30,
2022 2021 2022 2021
GAAP gross profit $ 54,488 $ 45,538 $ 104,321 $ 87,882
GAAP gross margin 80.2 % 77.0 % 79.9 % 77.1 %
Non-GAAP adjustments:
Stock-based compensation and related payroll tax 331 303 759 944
Global distribution center transition expense 252 525
Non-GAAP gross profit $ 54,819 $ 46,093 $ 105,080 $ 89,351
Non-GAAP gross margin 80.6 % 77.9 % 80.4 % 78.4 %

A10 NETWORKS, INC.

RECONCILIATION OF GAAP TOTAL OPERATING EXPENSES

TO NON-GAAP TOTAL OPERATING EXPENSES

(unaudited, in thousands)

Three Months Ended June 30, Six Months Ended June 30,
2022 2021 2022 2021
GAAP total operating expenses $ 41,345 $ 38,322 $ 83,176 $ 76,642
Non-GAAP adjustments:
Stock-based compensation and related payroll tax (2,613) (2,309) (5,866) (6,288)
Amortization expense related to acquisition (252) (505)
Global distribution center transition expense (784) (2,422)
Non-GAAP total operating expenses $ 38,732 $ 34,977 $ 77,310 $ 67,427

A10 NETWORKS, INC.

RECONCILIATION OF GAAP INCOME FROM OPERATIONS

TO NON-GAAP OPERATING INCOME

(unaudited, in thousands, except percentages)

Three Months Ended June 30, Six Months Ended June 30,
2022 2021 2022 2021
GAAP income from operations $ 13,143 $ 7,216 $ 21,145 $ 11,240
GAAP operating margin 19.3 % 12.2 % 16.2 % 9.9 %
Non-GAAP adjustments:
Stock-based compensation and related payroll tax 2,944 2,612 6,625 7,232
Amortization expense related to acquisition 252 505
Global distribution center transition expense 1,036 2,947
Non-GAAP operating income $ 16,087 $ 11,116 $ 27,770 $ 21,924
Non-GAAP operating margin 23.7 % 18.8 % 21.3 % 19.2 %

A10 NETWORKS, INC.

RECONCILIATION OF GAAP NET INCOME TO

EBITDA AND ADJUSTED EBITDA (NON-GAAP)

(unaudited, in thousands)

Three Months Ended June 30, Six Months Ended June 30,
2022 2021 2022 2021
GAAP net income $ 10,416 $ 6,616 $ 16,765 $ 9,273
Exclude: Interest and other (income) expense, net (485) 112 28 1,295
Exclude: Depreciation and amortization expense 1,868 2,340 3,712 4,753
Exclude: Provision for income taxes 3,212 488 4,352 672
EBITDA 15,011 9,556 24,857 15,993
Exclude: Stock-based compensation and related payroll tax 2,944 2,612 6,625 7,232
Exclude: Global distribution center transition expense 1,036 2,947
Adjusted EBITDA $ 17,955 $ 13,204 $ 31,482 $ 26,172

atenq2-22erslides8

Q2 2022 Financial Results & Commentary August 2, 2022


Cautionary Statements & Disclosures This presentation and the accompanying oral presentation contain “forward-looking” statements that are based on our management’s beliefs and assumptions, including statements regarding our future financial performance, strategy, routes to market, technical differentiation, positioning, capital allocation strategy, expansion opportunities, growth, profitability, market growth, as well as market and technology trends. Forward-looking statements are subject to known and unknown risks, uncertainties, assumptions and other factors that could cause our actual results to differ materially from those anticipated or implied by our forward-looking statements. These factors include, but are not limited to, the impact of the COVID-19 pandemic on our business, on the business of our customers and suppliers, and on the global economy in general, a significant decline in global macroeconomic or political conditions, execution risks related to closing key deals and improving our execution, successfully executing our strategies, market adoption of our products, successfully anticipating market needs and opportunities, timely development of new products and features, achieving or maintaining profitability, loss or delay of expected purchases, our ability to maintain or improve our competitive position; competitive and execution risks related to cloud-based computing trends, attracting and retaining new end-customers, maintaining and enhancing our brand and reputation, changes demanded by our customers in the deployment and payment model for our products, growth in markets relating to network security, the success of any future acquisitions or investments, the success of our partnerships with technology providers, the ability of our sales team to execute well, our ability to shorten our close cycle, the ability of our channel partners to sell our products, variations in product mix or geographic locations of our sales, our presence in international markets, and other factors described in our quarterly reports on Form 10-Q, annual reports on Form 10-K and other filings made with the Securities and Exchange Commission, to which your attention is directed. The forward-looking statements included in this presentation are based on current expectations and beliefs as of August 2, 2022, only. We do not intend to update this information contained in the forward-looking statements, except as required by law. This presentation and the accompanying oral presentation also include certain non-GAAP financial measures including Non-GAAP gross margin, non-GAAP operating income, non-GAAP net income, non-GAAP operating margin, Adjusted EBITDA and Non-GAAP EPS. Non-GAAP financial measures do not have any standardized meaning and are therefore unlikely to be comparable to similarly titles measures presented by other companies. A10 Networks considers these non-GAAP financial measures to be important because they provide useful measures of the operating performance of the company, exclusive of unusual events or factors that do not directly affect what we consider to be our core operating performance, and are used by the company’s management for that purpose. Non-GAAP financial measures should not be considered in isolation from, or as a substitute for, financial information prepared in accordance with GAAP. We define non-GAAP net income as our GAAP net income (loss) excluding: (i) stock- based compensation and related payroll tax, (ii) amortization expense related to acquisition, (iii) global distribution center transition expense. We define non-GAAP net income per basic and diluted share as our non-GAAP net income (loss) divided by our basic and diluted weighted-average shares outstanding. We define non-GAAP gross profit as our GAAP gross profit excluding (i) stock-based compensation and related payroll tax, and (ii) global distribution center transition expense. We define non-GAAP gross margin as our non-GAAP gross profit divided by our GAAP revenue. We define non-GAAP operating income (loss) as our GAAP income (loss) from operations excluding (i) stock-based compensation and related payroll tax, (ii) amortization expense related to acquisition, and (iii) global distribution center transition expense. We define non-GAAP operating margin as our non-GAAP operating income (loss) divided by our GAAP revenue. We define non-GAAP operating expenses as our GAAP operating expenses excluding (i) stock-based compensation and related payroll tax, (ii) amortization expense related to acquisition, and (iii) global distribution center transition expense. We define Adjusted EBITDA as our GAAP net income (loss) excluding (i) interest expense (if any), (ii) interest income and other (income) expense, net, (iii) depreciation and amortization expense, (iv) provision (benefit) for income taxes, (v) stock-based compensation and related payroll tax, and global distribution center transition expense. A reconciliation between GAAP and non-GAAP financial measures can be found in the appendix to this document and in the accompany financial results press release.


Agenda ▪ Q2 Overview ▪ Q2 Financial Performance ▪ FY 2022 Outlook


Q2’22: Continued Business Momentum Growth Highlights • Revenue grew 14.9% year-over-year, led by continued growth in security-led products • 33.7% revenue growth in the Americas Consistent Profitability • Adjusted EBTIDA was $18.0 million, or 26.4% of revenue • Non-GAAP Gross margin was 80.6% • Favorable product mix • Navigation of short-term input cost pressures • Non-GAAP EPS of $0.17 Capital Allocation • Returned $39.4 million to shareholders year to date • 2.4 million shares repurchased for $31.8 million • $61.2 million remaining on current $100 million buyback (as of 6/30/22) • $7.7 million in cash dividends • Declared dividend of $0.05 per share, payable on September 1st 2022 to stockholders of record at the close of business on August 15th 2022 See Appendix for reconciliation to most comparable GAAP financial measures.


Quarterly Revenue & Non-GAAP Operating Income Operating Income is a Non-GAAP Financial Measure. See Appendix for reconciliation to most comparable GAAP financial measures. $59.2 $65.4 $70.7 $62.7 $68.0 Q2'21 Q3'21 Q4'21 Q1'22 Q2'22 Revenue, $ Millions $11.1 $14.5 $17.6 $11.7 $16.1 Q2'21 Q3'21 Q4'21 Q1'22 Q2'22 Non-GAAP Operating Income, $ Millions $59.2 $68.0 Q2'21 Q2'22 Revenue, $ Millions $11.1 $16.1 Q2'21 Q2'22 Non-GAAP Operating Income, $ Millions


65.1% 34.9% Q2’22 $68.0 million Quarterly Revenue by Customer Vertical 60.9% 64.7% 63.3% 65.0% 65.1% 39.1% 35.3% 36.7% 35.0% 34.9% Q2'21 Q3'21 Q4'21 Q1'22 Q2'22 Enterprise Service Provider


Quarterly Revenue by Geography 47% 46% 39% 43% 48% 49% 49% 48% 53% 57% 42% 40% 47% 43% 36% 39% 34% 35% 28% 32% 11% 15% 14% 14% 15% 12% 17% 17% 19% 11% Q1'20 Q2'20 Q3'20 Q4'20 Q1'21 Q2'21 Q3'21 Q4'21 Q1'22 Q2'22 $ Millions Americas APJ EMEA 57% 32% 11% Q2’22 $68.0 million


Consistent Value Creation Business Model Revenue Growth Capital Allocation


On track to achieve full-year guidance • 10 - 12% Revenue Growth • 26 - 28% Adjusted EBITDA Full-Year 2022 Outlook


Appendix


Financial Performance Trends Numbers may not sum due to rounding. Please refer to the supplemental financials posted in the “Investor Relations” section of the A10 Networks website at investors.a10networks.com Gross Margin %, Operating Margin %, Adjusted EBITDA and EPS are Non-GAAP Financial Measures. See Appendix for reconciliation to most comparable GAAP financial measures. $ Millions (except EPS) Q1'19 Q2'19 Q3’19 Q4'19 FY 2019 Q1’20 Q2’20 Q3’20 Q4’20 FY 2020 Q1’21 Q2’21 Q3’21 Q4’21 FY 2021 Q1’22 Q2’22 Revenue $50.3 $49.2 $52.8 $60.3 $212.6 $53.8 $52.5 $56.6 $62.7 $225.5 $54.8 $59.2 $65.4 $70.7 $250.0 $62.7 $68.0 Non-GAAP Gross Margin % 76.3% 78.0% 78.1% 78.5% 77.8% 78.3% 78.8% 77.6% 79.6% 78.6% 78.9% 77.9% 80.4% 80.7% 79.6% 80.2% 80.6% Non-GAAP Operating Margin % (11.8%) (1.9%) 3.5% 12.7% 1.2% 7.6% 13.8% 17.8% 22.1% 15.6% 19.7% 18.8% 22.2% 24.8% 21.6% 18.6% 23.7% Adjusted EBITDA (non- GAAP) ($3.7) $1.3 $4.0 $10.0 $11.6 $7.2 $9.8 $12.5 $16.1 $45.6 $13.0 $13.2 $16.8 $19.4 $62.4 $13.5 $18.0 Non-GAAP EPS ($0.10) $0.00 $0.02 $0.10 $0.03 $0.05 $0.09 $0.13 $0.18 $0.44 $0.12 $0.13 $0.17 $0.20 $0.63 $0.13 $0.17 Ending Cash & Marketable Securities $122.8 $119.3 $122.6 $129.9 $129.9 $142.9 $143.4 $159.1 $158.1 $158.1 $161.0 $166.8 $187.5 $185.0 $185.0 $164.7 $166.8


GAAP to Non-GAAP – Gross Margin and EPS Numbers may not sum due to rounding. EPS data is presented on a basic and diluted basis. Please refer to the supplemental financials posted the “Investor Relations” section of the A10 Networks website at investors.a10networks.com. % of Revenue except EPS Q1'20 Q2'20 Q3'20 Q4'20 FY 2020 Q1'21 Q2'21 Q3'21 Q4'21 FY 2021 Q1'22 Q2'22 Gross Margin % - GAAP 77.4% 78.2% 76.8% 78.5% 77.8% 77.2% 77.0% 79.8% 79.9% 78.6% 79.5% 80.2% Stock-based compensation 0.9% 0.6% 0.8% 0.6% 0.7% 1.2% 0.5% 0.6% 0.6% 0.7% 0.7% 0.5% Global distribution center transition expense 0.0% 0.0% 0.0% 0.5% 0.1% 0.5% 0.4% 0.0% 0.2% 0.3% 0.0% 0.0% Non-reccuring facilities expense 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Gross Margin % - Non-GAAP 78.3% 78.8% 77.6% 79.6% 78.6% 78.9% 77.9% 80.4% 80.7% 79.6% 80.2% 80.6% EPS $ - GAAP (0.00)$ 0.05$ 0.08$ 0.10$ 0.22$ 0.03$ 0.08$ 0.94$ 0.13$ 1.19$ 0.08$ 0.13$ Stock-based compensation 0.04 0.04 0.05 0.04 0.16 0.06 0.03 0.05 0.04 0.19 0.05 0.04 Litigation and Investigation expense (recovery) 0.00 - - - 0.00 - - - - - - - Amortization expense related to acquisition 0.00 0.00 0.00 0.00 0.01 0.00 0.00 - - 0.01 - - Global distribution center transition expense - - - 0.04 0.04 0.03 0.02 (0.00) 0.03 0.06 - - Restructuring expense, and related tax - - - - - - - - - - - - Non-recurring facilities expense 0.01 - - - 0.01 - - - - - - - Release of DTA valuation allowance - - - - - - - (0.82) - - - - EPS $ - Non-GAAP 0.05$ 0.09$ 0.13$ 0.18$ 0.44$ 0.12$ 0.13$ 0.17$ 0.20$ 0.63$ 0.13$ 0.17$


GAAP to Non-GAAP – Operating Income (Loss) Numbers may not sum due to rounding. Please refer to the supplemental financials posted the “Investor Relations” section of the A10 Networks website at investors.a10networks.com. $ Millions Q1'20 Q2'20 Q3'20 Q4'20 FY 2020 Q1'21 Q2'21 Q3'21 Q4'21 FY 2021 Q1'22 Q2'22 Income (loss) from operations $ - GAAP (0.2)$ 3.9$ 6.2$ 7.8$ 17.7$ 4.0$ 7.2$ 10.3$ 11.8$ 33.4$ 8.0$ 13.1$ Stock-based compensation 3.2 3.1 3.6 2.9 12.8 4.6 2.6 4.2 3.6 15.0 3.7 2.9 Litigation and Investigation expense (recovery) 0.0 - - - 0.0 - - - - - - - Amortization expense related to acquisition 0.3 0.3 0.3 0.3 1.0 0.3 0.3 - - 0.5 - - Global distribution center transition expense - - - 2.9 2.9 1.9 1.0 (0.0) 2.1 5.1 - - Restructuring expense - - - - - - - - - - - - Non-recurring facilities expense 0.8 - - - 0.8 - - - - - - - Income from operations $ - Non-GAAP 4.1$ 7.2$ 10.0$ 13.9$ 35.3$ 10.8$ 11.0$ 14.5$ 17.6$ 54.0$ 11.7$ 16.1$ % of Revenue Income (loss) from operations % - GAAP (0.4)% 7.5 % 11.0 % 12.4 % 7.9 % 7.3 % 12.2 % 15.8 % 16.8 % 13.4 % 12.8 % 19.3 % Stock-based compensation 6.0 % 5.9 % 6.3 % 4.7 % 5.7 % 8.4 % 4.4 % 6.4 % 5.1 % 6.0 % 5.9 % 4.3 % Litigation and Investigation expense (recovery) 0.1 % —% —% —% 0.0 % —% —% —% —% —% —% —% Amortization expense related to acquisition 0.5 % 0.5 % 0.4 % 0.4 % 0.4 % 0.5 % 0.4 % —% —% 0.2 % —% —% Global distribution center transition expense —% —% —% 4.6 % 1.3 % 3.5 % 1.8 % (0.0)% 3.0 % 2.0 % —% —% Restructuring expense —% —% —% —% —% —% —% —% —% —% —% —% Non-recurring facilities expense 1.5 % —% —% —% 0.4 % —% —% —% —% —% —% —% Income from operations % - Non-GAAP 7.7 % 13.8 % 17.8 % 22.1 % 15.6 % 19.7 % 18.8 % 22.2 % 24.8 % 21.6 % 18.6 % 23.7 %


GAAP to Non-GAAP – Adjusted EBITDA Numbers may not sum due to rounding. Please refer to the supplemental financials posted the “Investor Relations” section of the A10 Networks website at investors.a10networks.com. $ Millions Q1'20 Q2'20 Q3'20 Q4'20 FY 2020 Q1'21 Q2'21 Q3'21 Q4'21 FY 2021 Q1'22 Q2'22 GAAP net income (loss) (0.3)$ 3.8$ 6.5$ 7.8$ 17.8$ 2.7$ 6.6$ 74.9$ 10.7$ 94.9$ 6.3$ 10.4$ Exclude: Interest expense - 0.0 - - 0.0 - - - - - - - Exclude: Interest income and other (income) expense, net (0.2) (0.2) (0.5) (0.5) (1.4) 1.2 0.1 0.2 0.3 1.7 0.5 (0.5) Exclude: Depreciation & amortization expense 3.3 2.8 2.7 2.5 11.3 2.4 2.3 2.3 1.9 8.9 1.8 1.9 Exclude: Provision (benefit) for income taxes 0.3 0.3 0.3 0.4 1.3 0.2 0.5 (64.8) 0.9 (63.2) 1.1 3.2 EBITDA 3.1 6.7 8.9 10.3 29.0 6.4 9.6 12.6 13.7 42.3 9.8 15.0 Exclude: Stock-based compensation 3.2 3.1 3.6 2.9 12.8 4.6 2.6 4.2 3.6 15.0 3.7 2.9 Exclude: Litigation settlement and investigation expense 0.0 - - - 0.0 - - - - - - - Exclude: Global distribution center transition expense - - - 2.9 2.9 1.9 1.0 (0.0) 2.1 5.1 - - Exclude: Restructuring expense - - - - - - - - - - - - Exclude: Non-recurring facilities expense 0.8 - - - 0.8 - - - - - - - Adjusted EBITDA - Non-GAAP 7.2$ 9.8$ 12.5$ 16.1$ 45.6$ 13.0$ 13.2$ 16.8$ 19.4$ 62.4$ 13.5$ 18.0$