(B) AND DETENTION OF MR YAN TAI LING, WHO IS THE EXECUTIVE DIRECTOR, DEPUTY CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER OF THE COMPANY (&ldquo MR YAN&rdquo )

Reference is made to: a) b) c) Singapore Exchange Regulation (&ldquo SGX RegCo&rdquo ) query dated 25 August 2023 (&ldquo Query&rdquo ) regarding the trading activity and the price movements of the shares of Sinostar PEC Holdings Limited (&ldquo Company&rdquo ) The Company&rsquo s response on 26 August 2023 to SGX RegCo&rsquo s Query and SGX RegCo&rsquo s notice on 9 November 2023 (&ldquo Notice&rdquo ), which amongst other things, urged investors and potential investors to exercise caution when dealing in shares of the Company in view of the &ldquo unusual price movements&rdquo .

In the Notice, the SGX RegCo observed that between 15 August 2023 to 30 August 2023, &ldquo trades by a small group of market participants accounted for 65% of the total volume traded&rdquo and the &ldquo individuals behind the group of accounts appear to be connected to Sinostar&rdquo and that SGX RegCo &ldquo has referred the matter to the authorities for their necessary actions&rdquo .

The Board has previously asked Mr Yan to look into the concerns raised by SGX RegCo in its Query and Notice. By way of a letter dated 29 January 2024 to the MAS, Mr Yan disclosed and brought to the attention of the MAS the relevant facts to assist in any review. The Board of Directors (" Board" ) of Sinostar PEC Holdings Limited (the " Company" or together with its subsidiaries, " Group" ) wishes to announce the following developments:

1. Search of Company Premises Officers from the Enforcement Department, Market Conduct Investigations Division of MAS attended at the Group&rsquo s corporate premises at 1 Temasek Avenue, #30-01 Millenia Tower, Singapore 039192 on 27 August 2025 to search the premises in relation to the matters in SGX RegCo&rsquo s Query and Notice. During the search, various documents and electronic devices belonging to the Company were seized.

2. Detention of Mr Yan At the same time, Mr Yan was taken into custody by the authorities for the purpose of assisting with enquiries relating to matters in SGX RegCo&rsquo s Query and Notice. Mr Yan is currently on bail with his passport impounded.

3. Company&rsquo s Co-operation with the Authorities Page 1 The Company and all relevant officers will extend their full co-operation to MAS and other competent authorities. The Company is currently seeking legal advise and will take steps to co-ordinate its responses to MAS, while ensuring that the Group&rsquo s on-going operations remain orderly and uninterrupted. In the meantime, the Group&rsquo s operations continue to function as normal.

4. Commitment to Corporate Governance and Further Updates The Board reaffirms its commitment to the highest standards of corporate governance and regulatory compliance. The Board, together with the Company&rsquo s counsel, will be engaging with Mr Yan to understand more fully his circumstances, and their relation to, and impact on, the Group, if any.

Pending the aforesaid, Mr Yan has undertaken to inform the Company if there are any developments in such circumstances that he is aware of, including any further interviews or questioning by the regulatory authorities. Mr Yan has also volunteered to hand over ongoing Group decision-making matters which he is responsible for to other management personnel assigned by the Company, whilst regulatory investigations are in progress.

The Board will further tighten internal controls, such that Mr Yan will not be in a position to approve any Group matters in the meantime without secondary validation by other senior management personnel of the Group. Once the Board has more complete information of the circumstances, it will also conduct an assessment of the continued suitability and appropriateness of Mr Yan remaining as a director and executive of the Company. The Company will make further announcements on SGXNET as and when there are material developments so as to keep shareholders and the market fully informed in accordance with Mainboard Rule 703 of the SGX-ST Listing Manual.

BY ORDER OF THE BOARD SINOSTAR PEC HOLDINGS LIMITED Li Xiangping Executive Chairman and Chief Executive Officer 27 August 2025