Announcement of Change in the status of Largest Shareholder

(Press release on April 8, 2026) (English translation for reference purposes only)

Listed on: Tokyo Stock Exchange (Prime Section) (Stock code: 8624) President & Representative Executive Officer: Mr. Hirofumi Tamada Enquiry to: Mr. Takatoshi Kawai, Manager of Public Relations

Tel: 03-4346-4512

Ichiyoshi Securities Co., Ltd. (the "Company") hereby announces that the Company confirmed that there occurred a change in the status of the largest shareholder of the Company as written below.

1. Background for the change

   MIRI Capital Management LLC ("MIRI") submitted to the Kanto Local Finance Bureau its Large Shareholding Report (Change Report No. 9) dated as of March 26, 2026 to notify that MIRI held 5,868,400 shares of the Company. Since then, there has been no such report submitted by MIRI.

   According to the list of shareholders of the Company of record as of March 31, 2026, the Company today received from its shareholder register administrator (Mitsubishi UFJ Trust and Banking Corporation), it was confirmed that MIRI was the largest shareholder among major shareholders of the Company.

2. Overview of the shareholder subject to the change

   ①	Name	MIRI Capital Management LLC
   ②	Location	745 Boylston Street, Suite 301, Boston, MA 02116, USA
   ③	Job title and name of representative	CEO Benjamin G. Griffith
   ④	Description of business	Investment advisory business

3. Number of voting rights (number of shares) held by said shareholder and its ratio to the voting rights held by all shareholders before and after the change

   	Number of voting rights (Number of shares held)	Ratio of voting rights held	Ranking among major shareholders
   Before the change (As of November 11, 2025)	32,133 units (3,213,300 shares)	10.04 %	-
   After the change (As of March 31, 2026)	58,684 units (5,868,400 shares)	18.27 %	Largest shareholder

   Note 1: The number of voting rights before the change is based on the Large Shareholding Report (Change Report No. 3) dated as of November 18, 2025, and the number of voting rights after the change is based on the Large Shareholding Report (Change Report No. 9) dated as of March 26, 2026. However, the number of shares and the number of voting rights beneficially held by MIRI's own account has not been ascertained. The ranking of MIRI among major shareholders before the change has not been ascertained.

   Note 2: The total number of voting rights before the change was 320,201 units (held by all shareholders of record as of September 30, 2025). (As of the same date, the total number of issued shares was 37,931,386 shares from which 5,911,286 shares were deducted as non-voting shares). The total number of voting rights after the change was 321,266 units (held by all shareholders of record as of March 31, 2026). (As of the same date, the total number of issued shares was 37,931,386 shares from which 5,804,786 shares were deducted as non-voting shares). Thus, in calculating the ratio of voting rights to total voting rights before the change, 320,201 units was used as the denominator of the fraction, and 321,266 units was used as the denominator of the fraction in calculating the ratio of voting rights to total voting rights after the change. (Rounded off to second decimal place).

4. Future outlook

This matter is based on the list of shareholders of the Company and the Large Shareholding Report (Change Report), and there is no particular impact to be discussed regarding the Company's future outlook.

(End)