Issued by: ADATAIssued on: 2021/08/04 Taipei, Taiwan, R.O.C. – August 4, 2021 – ADATA today announced its financial results for the second quarter of 2021, ended June 30, 2021. With strong demand and stable margins to persist into the second quarter, net income of NT$ 1.55 billion for the second quarter and net income of NT$ 2.26 billion for the first half of 2021 both hit record highs for the company. Net income for the first half of 2021 has surpassed the net profit for whole 2020. Based on 238 million average outstanding shares for the first half of 2021, EPS was NT$9.05. Total revenue for the second quarter was NT$ 10.63 billion, an increase of 42.3% YoY. Operating income reached NT$ 1.03 billion, an increase of 211.59% YoY and net income was NT$ 1.55 billion, up 452% from NT$ 0.28 billion in the second quarter of last year. Based on 244 million average outstanding shares, EPS was NT$ 6.05. On consolidated basis, accumulated revenue for the first half of 2021 was NT$19.73 billion, an increase of 34.12% YoY. Compared to a year earlier, operating profit was NT$ 1.75 billion, growing 41.5% YoY. Net income was NT$ 2.26 billion, surging 209.08%, compared with NT$ 0.7 billion for the first half of 2020. Based on 238 million average outstanding shares, EPS was NT$ 9.05. ADATA 2021/Q2 Consolidated Financial Summary Item (in millions of NT$) 2021/Q2 2021/Q1 QoQ% 2020/Q2 YoY% Revenue 10,632 9,096 16.88 7,471 42.3 Gross Profit 1,935 1,735 11.55 1,059 82.77 Operating income 1,033 721 43.23 331 211.59 Income before tax 1,906 980 94.44 371 413.43 Net income 1,553 707 119.63 281 451.92 EPS before tax (in dollars) 7.82 4.2 1.69 EPS after tax (in dollars) 6.05* 2.94* 1.2 *Due to CB conversion, average outstanding shares for the second quarter was 244 million and average outstanding shares for the first half of the year was 238 million. Gloria Chen/ IR Director Tel:+886-2-8228-0886 ext.12400 Cell:+886-916-969-211 Mail: gloria_chen@adata.com Investor Relations Caroline Lin/IR Project Manager Tel:+886-2-8228-0886 ext.12410 Cell:+886-916-655-656 Mail: caroline_lin@adata.com