MS Concept Limited — Proxy Solicitation & Information Statement 2026

Mar 9, 2026

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited (the “Stock Exchange”) 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.

MS CONCEPT LIMITED

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 8447)

ANNOUNCEMENT

BOOK CLOSURE PERIOD FOR EXTRAORDINARY GENERAL MEETING

Reference is made to the announcement of MS Concept Limited (the “Company”) dated 9 February 2026 (the “Announcement”) in relation to the continuing connected transaction on 2026 Master Supply Agreement. Unless otherwise defined, capitalised terms used herein shall have the same meanings as those defined in the Announcement.

BOOK CLOSURE PERIOD AND RECORD DATE FOR EXTRAORDINARY GENERAL MEETING (“EGM”)

The Board hereby announces that the EGM will be held at Training Room 1, Level 3, Core F, Cyberport 3, 100 Cyberport Road, Hong Kong on Friday, 27 March 2026 at 11:00 a.m.. For determining the entitlement of the Members to attend and vote at the EGM, the register of members of the Company will be closed from Tuesday, 24 March 2026 to Friday, 27 March 2026 (both days inclusive), during which period no transfer of Shares will be registered. To qualify for attending and voting at the EGM, non-registered Members must lodge all transfer documents, accompanied by the relevant share certificates with the Company’s Hong Kong branch share registrar and transfer office, Tricor Investor Services Limited at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong for registration not later than 4:30 p.m. on Monday, 23 March 2026. The record date for the purpose of determining the eligibility of the Shareholders to attend and vote at the EGM is Friday, 27 March 2026.

By Order of the Board

MS Concept Limited

Kwong Tai Wah

Chairman and Executive Director

Hong Kong, 9 March 2026

As at the date of this announcement, the executive Directors are Mr. Kwong Tai Wah (Chairman and Chief Executive Officer), Ms. Kwong Man Yui (Vice Chairlady) and Mr. Lam On Fai; and the independent non-executive Directors are Mr. Lai Ming Fai Desmond, Dr. Cheng Lee Lung and Mr. Kwok Yiu Chung.

---

This announcement, for which the Directors collectively and individually accept full responsibility, includes particulars given in compliance with the GEM Listing Rules for the purpose of giving information with regard to the Company. The Directors, having made all reasonable enquiries, confirm that to the best of their knowledge and belief, the information contained in this announcement is accurate and complete in all material respects and not misleading or deceptive, and there are no other matters the omission of which would make any statement herein or this announcement misleading.

This announcement will remain on the “Listed Company Information” page of the website of the Stock Exchange (www.hkexnews.hk) for at least seven days from the date of its publication. This announcement will also be published on the website of the Company (www.mrsteak.com.hk).

In the case of inconsistency, the English text of this announcement shall prevail over the Chinese text.

2