VOLUNTARY ANNOUNCEMENT - DAPAGLIFLOZIN TABLETS OBTAINS DRUG REGISTRATION APPROVAL

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement. (Incorpor ated in H ong Kong with limi ted liabi lity) (Stock co de: 1093) VOLUNTARY ANNOUNCEMENT DAPAGLIFLOZIN TABLETS OBTAINS DRUG REGISTRATION APPROVAL The board of directors (the “Board”) of CSPC Pharmaceutical Group Limited (the “Company”, together with its subsidiaries, the “Group”) is pleased to announce that the Dapagliflozin Tablets (5mg/10mg) (the “Product”) developed by the Group has obtained drug registration approval granted by the National Medical Products Administration of the People’s Republic of China, and is deemed to have passed the consistency evaluation of quality and efficacy for generic drugs. Dapagliflozin is an SGLT2 inhibitor that allows excess glucose to be excreted through urine, thereby improving blood sugar control without increasing insulin secretion. The Product can be used as a monotherapy or in combination with metformin hydrochloride or insulin to improve blood sugar control on the foundation of diet and exercise. The approval of the Product will further enrich the Group's product portfolio for metabolic diseases. By order of the Board CSPC Pharmaceutical Group Limited CAI Dongchen Chairman Hong Kong, 22 March 2024 - 1 - As at the date of this announcement, the Board comprises Mr. CAI Dongchen, Mr. ZHANG Cuilong, Mr. WANG Zhenguo, Mr. PAN Weidong, Mr. WANG Huaiyu, Dr. LI Chunlei, Dr. WANG Qingxi, Mr. CHAK Kin Man and Dr. JIANG Hao as executive directors; and Mr. WANG Bo, Mr. CHEN Chuan, Prof. WANG Hongguang, Mr. AU Chun Kwok Alan, Mr. LAW Cheuk Kin Stephen and Ms. LI Quan as independent non-executive directors. - 2 -

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