Issued by: ADATA Issued on: 2021/12/06 Taipei, Taiwan, R.O.C. – December 6, 2021 –ADATA today announced its consolidated sales of November for 2021 was NT$ 3.58 billion, an increase of 7.66% month-over-month and an increase of 14.52% for the same period of NT$3.12 billion in 2020. Accumulated net sales for January to November of the year was NT$36.31 billion, a 24% increase compared to the same period of 2020. ADATA November Sales Report (Consolidated) (Unit: NT$ million) Period November-21 M-O-M Y-O-Y January to November Y-O-Y Net sales 3,576 7.66% 14.52% 36,305 24% Sales by Product for November 2021: DRAM 48.15% SSD 31.89% Others 19.96% *Year 2021 figures have not be audited.