A10 Networks (ATEN) 8-KA10 Networks Reports Financial Results for the Fourth Quarter of 2023

EXHIBIT 99.1

A10 Networks Reports Financial Results for the Fourth Quarter of 2023

Company Achieves Revenue Guidance, Maintains Strong Profitability and Business Model

SAN JOSE, Calif., February 6, 2024 -- A10 Networks, Inc. (NYSE: ATEN), a leading provider of cybersecurity and infrastructure solutions, today announced financial results for its fourth quarter ended December 31, 2023.

Fourth Quarter 2023 Financial Summary

Full-Year 2023 Financial Summary

“Continued strong demand for our solutions and shift to focus on Enterprise customers partially mitigated broadly reported headwinds with Service Provider customers related to depressed capital expenditures and longer sales cycles,” said Dhrupad Trivedi, President and Chief Executive Officer of A10 Networks. Revenue from enterprise customers increased 8.6% on a full year basis.

“Simultaneously, A10 continues to deliver solid execution and we believe our business model positions us to navigate this challenging period better than others,” continued Trivedi. “We maintained our target gross margin level of 80 – 82% and EBITDA margin of 26 – 28% despite the revenue challenges, demonstrating our proven ability to allocate resources to the best strategic opportunities for future growth while driving operating efficiencies We were able to deliver flat full year EPS on a constant-currency basis in spite of a challenging macro environment. Over the last three years, we have delivered Adjusted EBITDA growth of 14%. We expect to grow our non-GAAP EPS in 2024 compared to 2023, enabling us to continue investing in future innovative solutions and returning capital to shareholders.”

Conference Call

Management will host a call at 1:30 p.m. Pacific time (4:30 p.m. Eastern time) today, February 6, 2024, to discuss these results. Interested parties may access the conference call by dialing (833) 470-1428 (toll-free) or (404) 975-4839 and referencing access code: 619931.

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 829707.

Forward-Looking Statements

This press release contains “forward-looking statements,” including statements regarding our quarterly dividend payments and repurchase program, strategy, growth, customer opportunities, profitability, and expectations for 2024, including as to non-GAAP EPS, investments and return of capital. 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 any unforeseen need for capital which may require us to divert funds we may have otherwise used for the dividend program or stock repurchase program, which may in turn negatively impact our ability to administer the quarterly dividends or the repurchase of our common stock; 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 February 27, 2023. 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

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) impairment expense, (iii) one-time tax planning expense, (iv) cyber incident remediation expense, (v) workforce reduction expense, (vi) income tax benefit from amended returns and (vii) income tax effect of non-GAAP items (i) to (vi) listed above. 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, (ii) cyber incident remediation expense and (iii) workforce reduction 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) impairment expense, (iii) one-time tax planning expense, (iv) cyber incident remediation expense and (v) workforce reduction 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) impairment expense, (iii) one-time tax planning expense, (iv) cyber incident remediation expense and (v) workforce reduction expense. We define Adjusted EBITDA as our GAAP net income excluding (i) interest and other (income) expense, net, (ii) depreciation and amortization expense, (iii) provision for (benefit from) income taxes, (iv) stock-based compensation and related payroll tax, (v) impairment expense, (vi) one-time tax planning expense, (vii) workforce reduction expense, (viii) cyber incident remediation expense and (ix) global distribution center transition expense. We define Adjusted EBITDA margin as our Adjusted EBITDA divided by our GAAP revenue.

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 security and infrastructure solutions for on-premises, hybrid cloud, and edge-cloud environments. Our 7000+ customers span global large enterprises and communications, cloud and web service providers who must ensure business-critical applications and networks are secure, available, and efficient. Founded in 2004, A10 Networks is based in San Jose, Calif. and serves customers globally. For more information, visit A10networks.com and follow us at 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.