Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited disclaim responsibility for the contents of the announcement. Strong Petrochemical Holdings Limited (the “Company”) announced that on 15 October 2025, Strong Petrochemical Limited (“Strong HK”), an indirect wholly owned subsidiary, filed a writ of summons with the High Court of the Hong Kong Special Administrative Region against two previous directors, seeking payment of approximately RMB37 million in loss and damage.

The claim arises from a purported sale and purchase of crude oil conducted in late 2024, in which Strong HK alleges breach of fiduciary, common law, and/or statutory duties. Strong HK further requested a declaration that the relevant meetings and resolutions relating to this transaction be deemed invalid or set aside, in addition to damages, equitable compensation, and other relief. The Company is pursuing legal advice and will announce any significant developments pursuant to listing requirements.

Trading in the Company’s shares has been suspended since 9:00 a.m. on 31 December 2024 and remains suspended. Shareholders and potential investors are advised to exercise caution when dealing in any securities of the Company.

As of 17 October 2025, the board of directors comprises two executive directors, one non-executive director, and three independent non-executive directors. The executive directors are Dr. Wang Pang Paul and Mr. Cao Xinzhong. The non-executive director is Mr. Wang Jian Sheng. The independent non-executive directors are Mr. Wang Qihong, Dr. Lu Guoyang, and Ms. Tam Yuk Yu.