DEEP DEVELOPMENT 2025 — US$ 994.0m Convertible Bonds due 2032

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Operational Statistics for the First Half of 2026

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Monthly Return of Equity Issuer on Movements in Securities

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Monthly Return of Equity Issuer on Movements in Securities

Final Dividend for the year ended 31 December 2025

Articles of Association

List of Directors and their Roles and Function

Poll Results of Annual General Meeting for 2025, First A Shareholders Meeting for 2026 and First H Shareholders Meeting for 2026

Resignation of Senior Management Member

Monthly Return of Equity Issuer on Movements in Securities

Revised Proxy Form for the Annual General Meeting for the Year 2025

Supplemental Notice of Annual General Meeting for 2025 and First H Shareholders Meeting for 2026

Overseas Regulatory Announcement - China Petroleum & Chemical Corporation The First Quarterly Report for 2026

Appointment of Senior Vice President, Change of Secretary to the Board and Appointment of Representative on Securities Matters and Proposed Election of Director

List of Directors and their Roles and Function

Resignation of Director

Final Dividend for the year ended 31 December 2025

Reply Slip for the Annual General Meeting for 2025 and the First H Shareholders Meeting for 2026

Proxy Form for the First H Shareholders Meeting for 2026

Proxy Form for the Annual General Meeting for the year 2025

Notice of Annual General Meeting for 2025 and First H Shareholders Meeting for 2026

Annual General Meeting for 2025 and First H Shareholders Meeting for 2026

Notice of Board Meeting

Voluntary Announcement - Results of the Increase of Shareholding in the Company by the Controlling Shareholder and its Concert Party

Monthly Return of Equity Issuer on Movements in Securities

2025 Sinopec Corp. Sustainability Report

2025 Annual Report

Final Dividend for the year ended 31 December 2025

Annual Results for the Year Ended 31 December 2025

Change and Postponement of certain Projects financed with the Proceeds

Reduction of the Registered Capital and Amendments to the Articles of Association

List of Directors and their Roles and Function

Re-designation of Director, Proposed Election of Director, and Change of Senior Management and Authorized Representative

List of Directors and their Roles and Function

Election of Employee Representative Director

Notice of Board Meeting

Monthly Return of Equity Issuer on Movements in Securities

Resignation of Senior Management Member

Resignation of Director

List of Directors and their Roles and Function