JOINT ANNOUNCEMENTMONTHLY UPDATEIN RELATION TO(1) PRE-CONDITIONAL PROPOSAL TO PRIVATISECHINA TRADITIONAL CHINESE MEDICINE HOLDINGS CO. LIMITEDBY THE OFFERORBY WAY OF A SCHEME OF ARRANGEMENTUNDER SECTION 673 OF THE COMPANIES ORDINANCEAND(2) PROPOSED WITHDRAWAL OF LISTING OFCHINA TRADITIONAL CHINESE MEDICINE HOLDINGS CO. LIMITED

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this joint 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 joint announcement.This joint announcement appears for information purposes only and does not constitute an invitation or offer to acquire purchase or subscribe for securities of the Offeror or the Company nor is it a solicitation of any vote or approval in any jurisdiction.This joint announcement is not for release publication or distribution in whole or in part in into or from any jurisdiction where to do so would constitute a violation of the Applicable Laws or regulations of such jurisdiction.SINOPHARM COMMON WEALTH COMPANY LIMITED国药集团共裕有限公司 CHINA TRADITIONAL CHINESE MEDICINE HOLDINGS CO. LIMITED (Incorporated in the Cayman Islands with (Incorporated in Hong Kong with limited liability) limited liability) (Stock Code: 570) JOINT ANNOUNCEMENT MONTHLY UPDATE IN RELATION TO (1) PRE-CONDITIONAL PROPOSAL TO PRIVATISE CHINA TRADITIONAL CHINESE MEDICINE HOLDINGS CO. LIMITED BY THE OFFEROR BY WAY OF A SCHEME OF ARRANGEMENT UNDER SECTION 673 OF THE COMPANIES ORDINANCE AND (2) PROPOSED WITHDRAWAL OF LISTING OF CHINA TRADITIONAL CHINESE MEDICINE HOLDINGS CO. LIMITED Financial Adviser to the OfferorReferences are made to (i) the joint announcement dated 21 February 2024 (the “JointAnnouncement”) jointly issued by Sinopharm Common Wealth Company Limited (the “Offeror”) and China Traditional Chinese Medicine Holdings Co. Limited (the “Company”) in relation to amongst other things the pre-conditional proposal to privatise the Company by the Offeror by way of a scheme of arrangement under section 673 of the Companies Ordinance (Chapter 622 of the Laws of Hong Kong); (ii) the joint announcement dated 11 March 2024 jointly issued by the Offeror and the Company in relation to the extension of time for the despatch of the Scheme Document; and (iii) the - 1 -joint announcements dated 11 April 2024 and 13 May 2024 jointly issued by the Offeror and the Company in relation to the monthly updates of the Proposal. Unless otherwise defined in this joint announcement capitalised terms used herein shall have the same meanings as those defined in the Joint Announcement.STATUS OF SATISFACTION OF THE PRE-CONDITION(S) As disclosed in the Joint Announcement the making of the Proposal is and the implementation of the Scheme will be subject to the satisfaction of the Pre-Condition(s) on or prior to the Pre-Condition Long Stop Date.The Offeror and the Company would like to update the Shareholders and potential investors of the Company that as at the date of this joint announcement the Offeror’s representatives have been preparing for the relevant documents and continuously liaising with the relevant authorities for fulfilling the Pre-Conditions. Notifications filings or applications which are necessary with respect to (i) the applicable outbound direct investment laws and regulations have been finalised and are in the process of being internally approved and/or executed; and (ii) the PRC Anti-Monopoly Law are in the process of being prepared. Such notifications filings or applications are intended to be made to the relevant authorities as soon as practicable.Further announcement(s) will be made as and when appropriate in compliance with the Takeovers Code in relation to the satisfaction of the Pre-Condition(s) and the despatch of the Scheme Document.WARNING Shareholders and potential investors should be aware that the implementation of the Proposal is subject to the Pre-Conditions and the Conditions being fulfilled or waived as applicable and thus the Proposal may or may not become effective. Accordingly they are advised to exercise caution when dealing in the Shares. Persons who are in doubt as to the action they should take should consult their stockbroker bank manager solicitor or other professional advisers.By the order of the board of directors By the order of the Board Sinopharm Common Wealth Company China Traditional Chinese Medicine Holdings Limited Co. Limited CHEN Yinglong CHEN Yinglong Director Chairman Hong Kong 13 June 2024 As at the date of this joint announcement the board of directors of the Offeror comprises Mr. XIAO Zhi Mr. ZHANG Xiaowei Mr. CHEN Yinglong Mr. LAI Bo Mr. YANG Binghua Mr. MENG Qingxin Ms. LI Ru Mr. WANG Kan and Ms. MA Yuanru.- 2 -The directors of the Offeror jointly and severally accept full responsibility for the accuracy of the information contained in this joint announcement (other than the information relating to the Group and the Controlling Shareholder) and confirm having made all reasonable inquiries that to the best of their knowledge opinions expressed in this joint announcement (other than the opinions expressed by the Directors and the director of the Controlling Shareholder in their respective capacity as such) have been arrived at after due and careful consideration and there are no facts not contained in this joint announcement the omission of which would make any statement in this joint announcement misleading.As at the date of this joint announcement the Directors of the Company are Mr. CHEN Yinglong (an executive Director); Mr. CHENG Xueren Mr. YANG Wenming Ms. LI Ru Mr. YANG Binghua Mr.WANG Kan and Mr. MENG Qingxin (each of which a non-executive Director); and Mr. XIE Rong Mr. YU Tze Shan Hailson Mr. QIN Ling and Mr. LI Weidong (each of which an independent non- executive Director).The Directors jointly and severally accept full responsibility for the accuracy of the information contained in this joint announcement relating to the Group and confirm having made all reasonable inquiries that to the best of their knowledge opinions expressed in this joint announcement by the Directors in their capacity as such have been arrived at after due and careful consideration and there are no facts not contained in this joint announcement the omission of which would make any statement in this joint announcement misleading.As at the date of this joint announcement the director of the Controlling Shareholder is Mr. CHEN Yinglong.The director of the Controlling Shareholder accepts full responsibility for the accuracy of the information contained in this joint announcement (other than the information relating to the Group) and confirms having made all reasonable inquiries that to the best of his knowledge opinions expressed in this joint announcement (other than the opinions expressed by the Directors in their capacity as such) have been arrived at after due and careful consideration and there are no facts not contained in this joint announcement the omission of which would make any statement in this joint announcement misleading.