Announce the change in personnel of member of the Board of Directors

24/04/2026

Ho Chi Minh City, April 24th, 2026

No: 507/2026/CV-SSI.CTHĐQT

Re: Announce the change in personnel of member of the Board of Directors

DISCLOSURE OF INFORMATION
ON THE STATE SECURITIES COMMISSION’S PORTAL AND STOCK EXCHANGE’S PORTAL

To:	- The State Securities Commission
	- Vietnam Stock Exchange
	- Hochiminh Stock Exchange
	- Hanoi Stock Exchange

Organization name:	SSI SECURITIES CORPORATION
Ticker	SSI
Address:	72 Nguyen Hue, Sai Gon Ward, Ho Chi Minh City
Telephone:	028-38242897
Fax:	028-38242997
Spokesman:	Nguyen Kim Long
Position:	Director, Legal and Compliance
Information disclosure type:	(X) 24 hours irregular on demand periodic

Content of information disclosure:

Pursuant to Resolution No. 01/2026/NQ-SSI.ĐHĐCĐ dated April 23rd, 2026 and the Meeting Minutes dated April 23rd, 2026 of the 2026 Annual General Meeting of Shareholders of SSI Securities Corporation, we would like to announce a change in personnel of SSI Securities Corporation as follows:

1. In case of dismissal

Mr.: Kosuke Mizuno
Position before dismissal: Member of the Board of Directors
Dismissed position: Member of the Board of Directors
After the dismissal, Mr. Kosuke Mizuno is no longer an internal person of the Company
Reason for dismissal: Pursuant to the Resignation letter from the position of member of the Board of Directors
Effective date: April 23rd, 2026

2. In case of appointment