Oriental Shenghong: Controlling shareholder and its concerted actors increased their holdings by 224 million shares.

Eastern Shenghong Announcement, the company's controlling shareholder Shenghong Technology and its concerted action parties Shenghong Petrochemical and Shenghong Suzhou's shareholding plan has been implemented and completed. From November 14, 2024 to May 13, 2025, through the Shenzhen Stock Exchange's centralized bidding trading method, a total of 224 million shares of the company were increased, accounting for 3.38% of the total share capital of the company, with a total increase amount of 2.02 billion yuan. Among them, Shenghong Technology increased its shareholding by 90.27 million shares, accounting for 1.37% of the total share capital of the company, with an increase amount of 810 million yuan; Shenghong Petrochemical increased its shareholding by 66.29 million shares, accounting for 1.00% of the total share capital of the company, with an increase of 600 million yuan; Shenghong Suzhou increased its shareholding by 67.157 million shares, accounting for 1.02% of the total share capital of the company, with an increase amount of 610 million yuan. This shareholding plan complies with relevant laws and regulations and normative documents, and will not result in the company's equity distribution not meeting the listing requirements or changes in company control.