Taipei, Taiwan, R.O.C. – October 8, 2021 –ADATA today announced its consolidated net sales for September 2021 was NT$3.2 billion. Accumulated net sales for the third quarter, ended 30th September 2021, was NT$9.69 billion, an increase of 12.69% year-over-year. Accumulated net sales for January to September 2021 was NT$29.41 billion, a 26.39% increase by compared with the same period of NT$23.27 billion in 2020. ADATA September Sales Report (Consolidated) (Unit: NT$ million) Period September-21 M-O-M Y-O-Y January to September Y-O-Y Net sales 3,203 -0.47% 0.1% 29,407 26.39% Sales by Product for September 2021: DRAM 44.51% SSD 35.6% Others 19.89% *Year 2021 figures have not be audited.