Taipei, Taiwan, R.O.C. – August 10, 2021 – ADATA today announced its consolidated net sales of NT$ 3.27 billion for July 2021, which represented an increase of 20.32% year-over-year. Accumulated net sales for January to July 2021 were NT$ 22.99 billion, a 32.21% increase compared with the same period of 2020. ADATA July Sales Report (Consolidated) (Unit: NT$ million) Period July-21 M-O-M Y-O-Y January to July Y-O-Y Net sales 3,268 -3.46% 20.32% 22,986 32.21% Sales by Product for July 2021: DRAM 43.3% SSD 34.91% Others 21,79% *Year 2021 figures have not been audited. Investor Relations Caroline Lin/IR Manager Tel:+886-2-8228-0886 ext.12410 Cell:+886-916-655-656 Mail: caroline_lin@adata.com Gloria Chen/ IR Director Tel:+886-2-8228-0886 ext.12400 Cell:+886-916-969-211 Mail: gloria_chen@adata.com