On 17 November 2025, Sino-Synergy Hydrogen Energy Technology (Jiaxing) Co., Ltd. (Stock Code: 09663) repurchased 158,000 H shares on the Hong Kong Stock Exchange. This transaction reduced the number of issued shares (excluding treasury shares) from 392,612,066 to 392,454,066 and increased the total treasury shares to 1,444,000, while the total issued shares remained at 393,898,066. The repurchase transaction accounted for approximately 0.02831% of the previously outstanding shares, at a volume-weighted average price of HKD 5.268 per share.

According to the announcement, the highest and lowest repurchase prices were HKD 5.28 and HKD 5.15, respectively, with an aggregate consideration of HKD 832,344. Under the current repurchase mandate dated 26 June 2025, Sino-Synergy is authorized to repurchase up to 35,159,058 shares, of which 440,500 shares have been repurchased to date, equivalent to about 0.0852% of the total issued shares on the date that mandate was granted. A moratorium period applies until 17 December 2025 for initiating any new issue of shares or the sale or transfer of the repurchased shares held in treasury.