<div> <div><label>Change in Business Registration Certificate</label></div> <div>Petro Vietnam Technical Services Corporation announced change in Business Registration Certificate as follows:<br> 1. Information before the change:<br> - Legal Representative: Mr. Le Manh Cuong<br> 2. Information after the change:<br> - Legal Representative: Mr. Tran Ho Bac<br> 3. Effective date: 10/12/2024</div> </div>

PetroVietnam Technical Services Corp provides services to petroleum companies. The Company is involved in leasing and chartering, operation and maintenance, properties management and mineral water production.

Change in Business Registration Certificate

<div> <div><label>Change in personnel</label></div> <div>Petro Vietnam Technical Services Corporation announced change in personnel as follows:<br> - Mr. Tran Ho Bac has been appointed General Manager in place of Mr. Le Manh Cuong with effect since 06/12/2024</div> </div>

Change in personnel

Change in shareholding of principal shareholder (MS. Truong Ngoc Phuong)

<div> <div><label>Notice of transaction of connected institution (Vietnam Investment Property Holding Limited)</label></div> <div>- Name of issuer: Petro Vietnam Technical Services Corporation<br> - Stock code: PVS<br> - Securities type: Common stock<br> - Name of connected institution: Vietnam Investment Property Holding Limited<br> - Name of person discharging managerial responsibility (PDMR)/Director: Hoang Xuan Quoc<br> - Position in the listed company: Member of the BOD<br> - Position in the trading institution: other<br> - Number of shares held by person discharging managerial responsibility (PDMR)/Director: 0 shares (0%)<br> - Number of shares held by connected institution before transaction: 15,684,286 shares (3.28%)<br> - Number of shares to be disposed: 8,000,000 shares<br> - Nature of transaction: order matching &amp; negotiation<br> - Purpose of transaction: restructure investment<br> - Expected Start date of transaction: 02/12/2024<br> - Expected End date of transaction: 31/12/2024</div> </div>

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