Tranche Update on Shanghai Sinyang Semiconductor Materials Co., Ltd.'s Equity Buyback Plan announced on April 27, 2022.

From July 1, 2022 to December 31, 2022, the company has repurchased 1,676,285 shares, representing 0.54% for CNY 47.8 million. With this, the company has completed the repurchase of 1,676,285 shares, representing 0.54% for CNY 47.8 million under the buyback announced on April 27, 2022.