High-energy environment: plans to repurchase shares of 100 million to 200 million yuan to maintain the rights and interests of the company and shareholders.

The high-energy environment announcement stated that the company intends to repurchase shares through centralized bidding trading, with a repurchase amount of no less than 100 million yuan and not more than 200 million yuan, and a repurchase price not exceeding 24 yuan per share. The repurchase period is within 3 months from the date the board of directors approves the plan. The purpose of this repurchase is to maintain the market value and shareholder rights of the company, with a repurchase quantity of 4.17 million-8.33 million shares, accounting for 0.27%-0.55% of the total share capital. As of the date of the announcement, there are no plans for related parties to reduce their holdings in the next 3-6 months. This repurchase carries risks such as price and funding.