EXHIBIT 99.1 A10 Networks Reports In-line Financial Results for the First Quarter of 2024 Company Delivers Revenue Growth YoY and Expands Earnings Per Share SAN JOSE, Calif., April 30, 2024 -- A10 Networks, Inc. (NYSE: ATEN), a leading provider of cybersecurity and infrastructure solutions, today announced financial results for its first quarter ended March 31, 2024. First Quarter 2024 Financial Summary • Revenue of $60.7 million, in-line with expectations and up 5.2% year-over-year. • GAAP gross margin of ...