Tranche Update on PharmaBlock Sciences, Inc.'s Equity Buyback Plan announced on October 31, 2023.

From October 30, 2023 to December 31, 2023, the company has repurchased 506,300 shares, representing 0.25% for CNY 20.02 million. With this, the company has completed the repurchase of 506,300 shares, representing 0.25% for CNY 20.02 million under the buyback announced on October 31, 2023.