Disclose the 2nd amended Certificate of Business Location Registration of the Phan Dang Luu Transaction Office

22/10/2025

Ho Chi Minh City, October 22nd, 2025

No: 1821/2025/CV-SSI.CTHĐQT

Re: Disclose the 2nd amended Certificate of Business Location Registration of

the Phan Dang Luu Transaction Office

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:

Reason for the change: To update the transaction office address in accordance with Decision No. 721/QĐ-UBCK dated September 29th, 2025 of State Securities Commission regarding the adjustment of the transaction office's address and the address of the head of the transaction office following the rearrangement of administrative division
Effective date: October 14th, 2025

The date that the Company received the 2nd amended Certificate of Business Location Registration: October 21st, 2025

This information was posted on SSI website on October 22nd, 2025 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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