POLL RESULTS OF THE ANNUAL GENERAL MEETING HELD ON THURSDAY, JUNE 13, 2024

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.Hansoh Pharmaceutical Group Company Limited翰森制药集团有限公司 (Incorporated in the Cayman Islands with limited liability) (Stock code: 3692) POLL RESULTS OF THE ANNUAL GENERAL MEETING HELD ON THURSDAY JUNE 13 2024 At the annual general meeting (the “AGM”) of Hansoh Pharmaceutical Group Company Limited (the “Company”) held on Thursday June 13 2024 all the proposed resolutions as set out in the notice of the AGM dated April 30 2024 were taken by poll. The poll results are as follows: Number of Votes (%) Ordinary Resolutions For Against 1. To receive and adopt the audited consolidated 5438213146 286000 financial statements of the Company and the (99.99%) (0.01%) reports of the directors and auditors for the year ended December 31 2023. 2. To approve the payment of a final dividend for the 5438499146 0 year ended December 31 2023. (100.00%) (0.00%) 3(a). To re-elect Dr. Lyu Aifeng as executive director. 5424817504 13681642 (99.75%)(0.25%) 3(b). To re-elect Mr. Lin Guoqiang as independent non- 5357476049 81023097 executive director. (98.51%) (1.49%) 3(c). To authorize the board of directors to fix the 5283187240 155269906 respective directors’ remuneration. (97.14%) (2.86%) 4. To re-appoint Ernst & Young as auditors and 5423230393 15370753 to authorize the board of directors to fix their (99.72%) (0.28%) remuneration. 5. To grant a general mandate to the directors to 5438001146 498000 repurchase shares of the Company not exceeding (99.99%) (0.01%) 10% of the total number of issued shares of the Company as at the date of passing of this resolution. 1Number of Votes (%) Ordinary Resolutions For Against 6. To grant a general mandate to the directors to 5035335320 403163826 issue allot and deal with additional shares of the (92.59%) (7.41%) Company not exceeding 20% of the total number of issued shares of the Company as at the date of passing of this resolution. 7. To extend the general mandate granted to the 5011843325 426655821 directors to issue allot and deal with additional (92.15%) (7.85%) shares in the capital of the Company under resolution no. 6 above by the aggregate number of the shares repurchased by the Company.Notes: (a) As a majority of the votes were cast in favour of each of the ordinary resolutions numbered 1 to 7 all resolutions were duly passed as ordinary resolutions.(b) As at the date of the AGM the total number of shares of the Company in issue was 5935650070 shares.(c) The total number of shares of the Company entitling the holders to attend and vote on the resolutions at the AGM was 5935650070 shares.(d) There were no shares of the Company entitling the holder to attend and abstain from voting in favour of the resolutions at the AGM as set out in rule 13.40 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”).(e) Computershare Hong Kong Trustees Limited being the trustee holding unvested shares under the restricted share unit Scheme conditionally approved and adopted by the Company on May 27 2019 held 1315065 shares as at the date of this announcement. Except for Computershare Hong Kong Trustees Limited which were required under Rule 17.05A of the Listing Rules to abstain from voting on matters that require shareholders’ approval under the Listing Rules and on all the proposed resolutions pursuant to the scheme rules no other shareholder of the Company was required under the Listing Rules to abstain from voting on the resolutions at the AGM.(f) None of the shareholders of the Company have stated their intention in the Company’s circular dated April 30 2024 to vote against or to abstain from voting on any of the resolutions at the AGM. (g) The Company’s branch share registrar in Hong Kong Tricor Investor Services Limited acted as the scrutineer for the vote-taking at the AGM. 2(h) All directors of the Company attended the AGM. By Order of the Board Hansoh Pharmaceutical Group Company Limited Zhong Huijuan Chairlady Hong Kong June 13 2024 As at the date of this announcement the board of directors of the Company comprises Ms. Zhong Huijuan as chairlady and executive director Ms. Sun Yuan and Dr. Lyu Aifeng as executive directors and Mr. Lin Guoqiang Mr. Chan Charles Sheung Wai and Ms. Yang Dongtao as independent non-executive directors. 3