Shanghai Conant Optical Co., Ltd. (“Conant Optical”) has released an announcement outlining a series of proposed amendments to its Articles of Association.

Key highlights 1. Scope of changes: • Alignment with recent Hong Kong Listing Rules revisions, including the expanded paperless listing regime and optimisation measures. • Preparatory provisions for the forthcoming uncertificated securities market framework. • Conformity with the latest revised and effective Company Law of the People’s Republic of China. • Additional housekeeping updates.

2. Shareholder approval process: • The amendments will be tabled as a special resolution at the company’s first Extraordinary General Meeting of 2026. • Meeting details—Date: 11 June 2026; Time: 9:30 a.m.; Venue: Conference Room, 1/F, No. 555 Chuanda Road, Pudong New Area, Shanghai. • The amendments will take effect immediately upon shareholder approval.

3. Documentation: • A circular containing the full amendment text and the EGM notice will be posted on the websites of The Stock Exchange of Hong Kong Limited (HKEX) and Conant Optical in due course. • The official Articles are maintained in Chinese; the English translation is provided strictly for reference.

Board composition (as at 21 May 2026): six executive directors, two non-executive directors, and four independent non-executive directors led by Executive Director and Chairman Fei Zhengxiang.

The announcement was made pursuant to Rule 13.51(1) of the HKEX Listing Rules.