Anhui Hengyuan Coal and Power Co., Ltd. Announcement on Redemption of Matured Financial Products

Stock Code: 600971 Stock Name: Hengyuan Coal & Power Announcement No.: 2026-016

Anhui Hengyuan Coal & Power Co., Ltd.

Announcement Regarding Maturity Redemption of Financial Products

The company’s board of directors and all directors guarantee that this announcement contains no false records, misleading statements, or major omissions, and bear individual and joint responsibility for the truthfulness, accuracy, and completeness of its content.

Anhui Hengyuan Coal & Power Co., Ltd. (hereinafter referred to as “the Company”) held the 17th meeting of the 8th Board of Directors on August 20, 2025, which approved the “Proposal on Using Idle Own Funds to Conduct Investment and Wealth Management Business.” For details, please refer to the “Announcement on Using Idle Own Funds to Conduct Investment and Wealth Management Business” (Announcement No.: 2025-034) disclosed on the Shanghai Stock Exchange website (www.sse.com.cn) on August 22, 2025. The Company purchased Shenwan Hongyuan Securities Jin Zun Special 423rd Income Certificate and Hu’an Securities Wealth Management Zunxiang Success Road No. 24 Income Certificate on September 11, 2025; and Guoyuan Securities Yuan Ding Zunxiang Customized 653rd Income Certificate on September 12, 2025. For details, see the “Announcement on the Progress of Anhui Hengyuan Coal & Power Co., Ltd.'s Investment and Wealth Management Business” (Announcement No.: 2025-038) disclosed on the Shanghai Stock Exchange website (www.sse.com.cn) on September 13, 2025. All the above income certificates will mature and be redeemed on March 12, 2026. The specific redemption details are as follows:

1. The situation of the company’s use of idle own funds to purchase financial products and their redemption upon maturity

Unit: 10,000 yuan

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2. As of the date of this announcement, the company’s recent twelve months’ investment and wealth management activities using own funds

Unit: 10,000 yuan

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This announcement is hereby made.

Board of Directors of Anhui Hengyuan Coal & Power Co., Ltd.

March 13, 2026