Ocumension Therapeutics — Proxy Solicitation & Information Statement 2026

Jun 8, 2026

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this notice, 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 notice.

OcuMension

欧康维视

Ocumension Therapeutics

歐康維視生物

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 1477)

NOTICE OF ANNUAL GENERAL MEETING

NOTICE IS HEREBY GIVEN THAT the annual general meeting (the "Meeting") of Ocumension Therapeutics (the "Company") will be held at 56th Floor, One Museum Place Office Building, No. 669 Xinzha Road, Shanghai, PRC on Tuesday, June 30, 2026 at 10:00 a.m. for considering and, if thought fit, passing, with or without amendments, the following resolutions of the Company. Unless the context requires otherwise, capitalized terms used herein shall have the same meanings as those defined in the circular of the Company dated June 9, 2026 (the "Circular").

ORDINARY RESOLUTIONS

AS ORDINARY BUSINESS

1. To receive and adopt the audited consolidated financial statements of the Company and its subsidiaries and the reports of the Directors and auditor for the year ended December 31, 2025.

2. (A) To ratify, confirm, and approve all acts, decisions, and documents executed by Mr. Zhenyu ZHANG in his capacity as a Director of the Company during the period from the conclusion of the Company's annual general meeting held in 2025 up to the date of the Annual General Meeting;

(B) To re-elect the following retiring Directors:

(i) Dr. Lian Yong CHEN as a non-executive Director;

(ii) Mr. Yanling CAO as a non-executive Director; and

(iii) Mr. Zhenyu ZHANG as an independent non-executive Director;

(C) To elect Ms. Beibei ZHUANG as an independent non-executive Director; and

(D) To authorize the Board to fix the remuneration of the Directors.

1. To re-appoint Deloitte Touche Tohmatsu as the auditor of the Company and authorize the Board to fix their remuneration.

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AS SPECIAL BUSINESS

1. To consider and, if thought fit, pass the following resolutions as ordinary resolutions:

(A) “That:

(i) subject to paragraph (iii) below, the exercise by the Directors during the Relevant Period (as hereinafter defined) of all the powers of the Company to allot, issue or otherwise deal with additional shares in the capital of the Company or securities convertible into shares, or options, warrants or similar rights to subscribe for shares or such convertible securities of the Company (including any sale or transfer of treasury shares out of treasury) and to make or grant offers, agreements and/or options (including bonds, warrants and debentures convertible into shares of the Company) which may require the exercise of such powers be and is hereby generally and unconditionally approved;

(ii) the approval in paragraph (i) of this resolution above shall be in addition to any other authorization given to the Directors and shall authorize the Directors during the Relevant Period (as hereinafter defined) to make or grant offers, agreements and/or options which may require the exercise of such power after the end of the Relevant Period (as hereinafter defined);

(iii) the aggregate nominal amount of share capital allotted or agreed conditionally or unconditionally to be allotted (or be sold or transferred out of treasury) (whether pursuant to options or otherwise) by the Directors during the Relevant Period (as hereinafter defined) pursuant to paragraph (i) of this resolution above, otherwise than pursuant to (1) a Rights Issue (as hereinafter defined); (2) the grant or exercise of any option or award under the share scheme of the Company or similar arrangement for the time being adopted for the grant or issue to the directors, officers and/or employees of the Company and/or any of its subsidiaries of shares or rights to acquire shares of the Company; (3) any scrip dividend or similar arrangement providing for the allotment of shares in lieu of the whole or part of a dividend on shares of the Company in accordance with the Articles of Association in force from time to time; or (4) any issue of shares in the Company upon the exercise of rights of subscription or conversion under the terms of any existing convertible notes issued by the Company or any existing securities of the Company which carry rights to subscribe for or are convertible into shares of the Company, shall not exceed the aggregate of 20 per cent of the aggregate number of the shares of the Company in issue (excluding treasury shares) as of the date of passing this resolution and the said approval shall be limited accordingly; and

(iv) for the purpose of this resolution:

(a) “Relevant Period” means the period from the passing of this resolution until whichever is the earliest of:

(1) the conclusion of the next annual general meeting of the Company;

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(2) the expiration of the period within which the next annual general meeting of the Company is required by any applicable laws or the Articles of Association to be held; and

(3) the revocation or variation of the authority given under this resolution by an ordinary resolution of the Shareholders in general meeting; and

(b) “Rights Issue” means an offer of shares in the capital of the Company, or an offer or issue of warrants, options or other securities giving rights to subscribe for shares, open for a period fixed by the Directors to holders of shares in the capital of the Company or any class thereof whose names appear on the register of members on a fixed record date in proportion to their then holdings of such shares or class thereof (subject to such exclusion or other arrangements as the Directors may deem necessary or expedient in relation to fractional entitlements or, having regard to any restrictions or obligations under the laws of, or the requirements of, or the expense or delay which may be involved in determining the exercise or extent of any restrictions or obligations under the laws of, or the requirements of, any jurisdiction applicable to the Company, any recognized regulatory body or any stock exchange applicable to the Company).

(B) “That:

(i) subject to paragraph (iii) below, the exercise by the Directors during the Relevant Period (as hereinafter defined) of all the powers of the Company to repurchase shares of the Company on the Stock Exchange or on any other stock exchange on which the shares of the Company may be listed and recognized for this purpose by the Securities and Futures Commission and the Stock Exchange under the Code on Share Buy-backs and, subject to and in accordance with all applicable laws and the Listing Rules, be and is hereby generally and unconditionally approved;

(ii) the approval in paragraph (i) of this resolution above shall be in addition to any other authorization given to the Directors and shall authorize the Directors on behalf of the Company during the Relevant Period (as hereinafter defined) to procure the Company to repurchase its shares at a price determined by the Directors;

(iii) the aggregate number of the shares of the Company in issue, which may be repurchased by the Company during the Relevant Period (as hereinafter defined) pursuant to the approval in paragraph (i) above shall not exceed 10 per cent of the aggregate number of the shares of the Company in issue (excluding treasury shares) as of the date of passing of this resolution, and the said approval shall be limited accordingly;

(iv) subject to the passing of each of the paragraphs (i), (ii) and (iii) of this resolution, any prior approvals of the kind referred to in paragraphs (i), (ii) and (iii) of this resolution which had been granted to the Directors and which are still in effect be and are hereby revoked; and

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(v) for the purpose of this resolution:

“Relevant Period” means the period from the passing of this resolution until whichever is the earliest of:

(a) the conclusion of the next annual general meeting of the Company;

(b) the expiration of the period within which the next annual general meeting of the Company is required by any applicable laws or the Articles of Association to be held; and

(c) the revocation or variation of the authority given under this resolution by an ordinary resolution of the Shareholders in general meeting.”

(C) “That conditional upon the resolutions numbered 4(A) and 4(B) set out in the notice convening this meeting being passed, the general mandate granted to the Directors to exercise the powers of the Company to allot, issue and otherwise deal with new shares of the Company (including any sale or transfer of treasury shares out of treasury) and to make or grant offers, agreements and options which might require the exercise of such powers pursuant to the ordinary resolution numbered 4(A) set out in the notice convening this meeting be and is hereby extended by the addition to the aggregate number of the shares of the Company in issue which may be allotted or agreed conditional or unconditionally to be allotted (or be sold or transferred out of treasury) by the Directors pursuant to such general mandate of an amount representing the aggregate number of the shares of the Company in issue repurchased by the Company under the authority granted pursuant to ordinary resolution numbered 4(B) set out in the notice convening this meeting, provided that such extended amount shall not exceed 10 per cent of the aggregate number of the shares of the Company in issue (excluding treasury shares) as of the date of passing of this resolution.”

1. To consider and, if thought fit, pass the following resolutions as ordinary resolutions:

“That:

(A) conditional upon the Listing Committee of The Stock Exchange of Hong Kong Limited granting the listing of, and permission to deal in, the shares of the Company (the “Shares”) to be issued pursuant to the exercise of options and/or awards to be granted under the 2021 Share Option Scheme and the 2021 Share Award Scheme (collectively, the “Schemes”) under the Refreshed Scheme Mandate Limit (as defined below), the refreshment of the scheme mandate limit in respect of the granting of options and awards under the Schemes be and

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is hereby approved, provided that the total number of Shares which may be allotted and issued shall not exceed 8% of the total Shares in issue (excluding treasury Shares) as of the date of passing this resolution (the “Refreshed Scheme Mandate Limit”); and

(B) any one director of the Company be and is hereby authorized to do all such acts and things and execute all such documents as he/she may deem necessary, desirable, or expedient to give effect to the Refreshed Scheme Mandate Limit and to grant options and awards up to the Refreshed Scheme Mandate Limit.”

1. To consider and, if thought fit, pass the following resolutions as ordinary resolutions:

“That conditional upon the passing of ordinary resolution numbered 5 above, the sublimit on the total number of Shares that may be issued in respect of all options and awards to be granted to service providers under the Schemes of 0.8% of the total Shares in issue (excluding treasury Shares) as of the date of passing this resolution be and is hereby approved.”

By order of the Board
Ocumension Therapeutics
Dr. Lian Yong CHEN
Chairman and Non-executive Director

Hong Kong, June 9, 2026

Registered Office:	Principal place of business in the PRC:	Principal place of business in Hong Kong:
The offices of Vistra (Cayman) Limited	No. 1858 Yinzhongnan Road	Unit 417, 4th Floor
P.O. Box 31119	Guoxiang Subdistrict	Lippo Centre
Grand Pavilion	Wuzhong District	Tower Two
Hibiscus Way	Suzhou	No. 89 Queensway
802 West Bay Road	Jiangsu Province	Admiralty
Grand Cayman KY1-1205	the PRC	Hong Kong
Cayman Islands

As of the date of this notice, the Board comprises Mr. Ye LIU and Dr. Zhaopeng HU as executive Directors, Dr. Lian Yong CHEN, Mr. Yanling CAO and Dr. Qin XIE as non-executive Directors, and Mr. Ting Yuk Anthony WU, Mr. Yiran HUANG and Mr. Zhenyu ZHANG as independent non-executive Directors.

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Notes:

(i) Ordinary resolution numbered 4(C) will be proposed to the Shareholders for approval provided that ordinary resolutions numbered 4(A) and 4(B) are passed by the Shareholders.

(ii) A shareholder entitled to attend and vote at the meeting is entitled to appoint another person as his/her proxy to attend and vote instead of him/her; a proxy need not be a shareholder of the Company. A shareholder who is the holder of two or more shares may appoint more than one proxy to represent him/her and vote on his/her behalf at the meeting. On a poll, votes may be given either personally or by proxy.

(iii) In the case of joint holders, any one of such joint holders may vote at the meeting, either in person or by proxy, in respect of such share as if he/she were solely entitled thereto, but if more than one of such joint holders be present at the meeting, the vote of the senior who tenders a vote, whether in person or by proxy, will be accepted to the exclusion of the vote(s) of the other joint holder(s) and for this purpose seniority shall be determined as that one of the said persons so present whose name stands first on the register of members of the Company in respect of such share shall alone be entitled to vote in respect thereof.

(iv) In order to be valid, a form of proxy must be deposited at the Hong Kong branch share registrar and transfer office of the Company, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong together with the power of attorney or other authority (if any) under which it is signed (or a notarially certified copy thereof) not less than 48 hours before the time appointed for the holding of the above meeting (i.e. no later than 10:00 a.m. on Sunday, June 28, 2026, Hong Kong time) or any adjournment thereof. The completion and return of the form of proxy shall not preclude Shareholders from attending and voting in person at the above meeting (or any adjourned meeting thereof) if they so wish.

(v) The transfer books and register of members of the Company will be closed from Wednesday, June 24, 2026 to Tuesday, June 30, 2026, both days inclusive, during which period no share transfers can be registered. In order to qualify for attending the meeting, all transfers accompanied by the relevant share certificates must be lodged with the Hong Kong branch share registrar and transfer office of the Company, Computershare Hong Kong Investor Services Limited, at Shops 1712-1716, 17th Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong not later than 4:30 p.m. on Tuesday, June 23, 2026.

(vi) In respect of ordinary resolution numbered 2(B) above, Dr. Lian Yong CHEN and Mr. Yanling CAO shall retire at the meeting and being eligible, together with Mr. Zhenyu ZHANG, have offered themselves for re-election at the Annual General Meeting. In respect of ordinary resolution numbered 2(C) above, the proposed Director, Ms. Beibei ZHUANG, being eligible, has also offered herself for election as a Director at the Annual General Meeting. Details of the above Directors are set out in Appendix I to the accompanying Circular.

(vii) In respect of the ordinary resolution numbered 4(A) above, the Directors wish to state that they have no immediate plans to issue any new shares of the Company. Approval is being sought from the Shareholders of the Company as a general mandate for the purposes of the Listing Rules.

(viii) In respect of ordinary resolution numbered 4(B) above, the Directors wish to state that they will exercise the powers conferred by the general mandate to repurchase shares of the Company in circumstances which they deem appropriate for the benefits of Shareholders. The explanatory statement containing the information necessary to enable Shareholders to make an informed decision on whether to vote for or against the resolution to approve the repurchase by the Company of its own shares, as required by the Listing Rules, is set out in Appendix II to the accompanying Circular.