Issued by: ADATA Issued on: 2021/11/09 Taipei, Taiwan, R.O.C. – November 09, 2021 – ADATA today announced its consolidated financial results for the 3rd quarter, ended September 30, 2021. For the first three quarters in 2021, total revenue was NT$29.41 billion, up 25.89% from the same period of NT$23.36 billion in 2020. Operating income was NT$2.13 billion, an increase of 35.83% year-over-year and net income was NT$2.26 billion, an increase of 116% year-over-year. Based on 243 million average outstanding shares, EPS was NT$9.03. In the July-to-September quarter, the company’s consolidated revenue of NT$9.68 billion grew 11.89% year-over-year. Operating income increased 14.35% to NT$373 million and net income attributable to shareholders of the parent was NT$35 million. EPS was NT$ 0.14. ADATA 2021/Q3 Consolidated Financial Summary Item (in millions of NT$) 2021/Q3 2021/Q2 QoQ% 2020/Q3 YoY% Revenue 9,684 10,632 -8.91 8,655 11.89 Gross profit 1,017 1,935 -47.47 909 11.80 Operating income 373 1,033 -63.84 327 14.35 Income before tax 79 1,906 -95.85 457 -82.68 Net income (4) 1,553 - 313 - Net income attributable to shareholders of the parent 35 1,474 -97.62 300 -88.3 EPS before tax (in dollars) 0.31 7.82 - 2.08 - EPS after tax (in dollars) 0.14* 6.05* - 1.37 - *Due to CB conversion, average outstanding shares for the third quarter was 252 million and average outstanding shares for the first three quarters was 243 million.