Disclose the Confirmation Letter on changes to enterprise registration information

06/05/2026

Ho Chi Minh City, May 6th, 2026

No: 539/2026/CV-SSI.CTHĐQT

Re: Disclose the Confirmation Letter on changes

to enterprise registration information

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:

Confirmation Letter on changes to enterprise registration information issued by the Department of Finance of Ho Chi Minh City dated May 5th, 2026
Reason for change: Implementing the procedures for change of Chief Accountant, in which:
- Information of Chief Accountant before change: Mrs. Nguyen Thi Hai Anh
- Information of Chief Accountant after change: Mr. Tu Cam Hue
The date that the Company received the Confirmation Letter on changing of enterprise registration information: May 6th, 2026

This information was posted on SSI website on May 6th, 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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