Hong Kong, 28 May 2026 – Gushengtang Holdings Limited disclosed that it repurchased 0.61 million ordinary shares on 28 May 2026 through on-exchange transactions, paying a total of HK$16.06 million at prices between HK$25.74 and HK$26.70 per share. The transaction was executed under the share-repurchase mandate approved on 12 May 2026.

Following the latest buyback: • Issued shares (excluding treasury shares) decreased by 0.27 % to 226.89 million. • Treasury shares increased to 7.48 million from 6.87 million. • The company’s total issued share capital remains unchanged at 234.37 million shares because the repurchased stock is being held in treasury.

Since the current mandate took effect, Gushengtang has repurchased 2.23 million shares, representing 0.97 % of its issued share base on the mandate date. The company is authorised to repurchase up to 22.91 million shares under this mandate.

Separately, 25 earlier repurchase transactions conducted between 20 October 2025 and 20 April 2026—amounting to a combined 10.06 million shares—remain pending cancellation. These shares were bought at volume-weighted average prices ranging from HK$27.90 to HK$30.11 per share.

In line with Hong Kong Stock Exchange requirements, Gushengtang is subject to a moratorium on issuing new shares or disposing of treasury shares until 27 June 2026. The company affirmed that all repurchases were executed in accordance with the Main Board Listing Rules and that no material changes have occurred to the explanatory statement dated 24 April 2026.