DYNAM JAPAN HOLDINGS Co., Ltd. — Proxy Solicitation & Information Statement 2026

Jun 2, 2026

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.

DYNAM JAPAN HOLDINGS Co., Ltd.

(incorporated in Japan with limited liability)

(Stock code: 06889)

NOTICE OF ANNUAL GENERAL MEETING

NOTICE IS HEREBY GIVEN THAT the annual general meeting of DYNAM JAPAN HOLDINGS Co., Ltd. (the "Company") will be held at Headquarters Building of Dynam Co., Ltd. located at 2-27-5 Nishi-Nippori, Arakawa-ku, Tokyo, Japan on Thursday, 25 June 2026 at 10:00 a.m. (Japan time) for the following purposes:

MATTERS TO BE REPORTED

Report on the Business Report and the Financial Statements, and report on results of the audit by the Accounting Auditor and the review by the Audit Committee on the Financial Statements for the 15th fiscal year (from 1 April 2025 to 31 March 2026)

MATTERS TO BE RESOLVED

First Resolution
General Mandate to Allot, Issue and Deal in Shares

Second Resolution
General Mandate to Repurchase Shares

Third Resolution
Proposed Election of Eight (8) Directors

Fourth Resolution
Proposed Election of an Auditor pursuant to the Rules Governing the Listing of Securities of The Stock Exchange of Hong Kong Limited

By order of the Board

DYNAM JAPAN HOLDINGS Co., Ltd.

Akira HOSAKA

Chairman of the Board

Tokyo, Japan, 3 June 2026

Registered office and headquarters:
2-25-1-702 Nishi-Nippori, Arakawa-ku
Tokyo, 116-0013, Japan

Principal place of business in Hong Kong:
Unit 1, 32/F, Hong Kong Plaza,
188 Connaught Road West, Hong Kong

As of the date of this announcement, the executive director of the Company is Mr. Akira HOSAKA, the non-executive directors of the Company are Mr. Yoji SATO and Mr. Kohei SATO, and the independent non-executive directors of the Company are Mr. Mitsutoshi KATO, Mr. Thomas Chun Kee YIP, Mr. Kiyohito KANDA, Mr. Koji KATO and Ms. Mayumi ITO.