Receipt of the Resignation letter from a member of the Board of Directors

18/03/2026

Ho Chi Minh City, March 18th, 2026

No: 335/2026/CV-SSI.CTHĐQT

Re: Receipt of the Resignation letter from a 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:

On March 17th, 2026, SSI Securities Corporation (SSI) received the Resignation letter from Mr. Kosuke Mizuno, a member of the Board of Directors (the member nominated by Daiwa Securities Group Inc.) due to an internal job reassignment. The resignation will become effective upon approval by the General Meeting of Shareholders of SSI. Daiwa Securities Group Inc. will nominate a new candidate for election to the Board of Directors at SSI’s Annual General Meeting of Shareholders, which is scheduled to be held on April 23rd, 2026

This information was posted on SSI website on March 18th, 2026 at this link www.ssi.com.vn.

We hereby declare to be responsible for the accuracy and completeness of the above information.

ON BEHALF OF SSI SECURITIES CORPORATION

Party authorized to disclose information

Nguyễn Kim Long

Director, Legal and Compliance

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