Allied Sustainability and Environmental Consultants Group Limited (AEC Group) has circulated a revised proxy form ahead of its Annual General Meeting scheduled for 10:00 a.m. on 14 September 2026 at 27/F, Overseas Trust Bank Building, 160 Gloucester Road, Wan Chai, Hong Kong. Key resolutions for shareholder approval are outlined as follows:

1. Financial Statements • Adoption of the audited consolidated financial statements for the year ended 31 March 2026, together with the directors’ and independent auditor’s reports.

2. Board Composition • Re-election of four directors: – Ms. Kwok May Han Grace (Executive Director) – Ms. Wong Yee Lin Elaine (Independent Non-executive Director) – Mr. Li Wing Sum Steven (Independent Non-executive Director) – Ms. Lam Ka Lai (Independent Non-executive Director)

3. Directors’ Remuneration • Authorisation for the Board to determine remuneration for all directors.

4. Auditor • Re-appointment of OOP CPA & Co. as independent auditor and authorisation for the Board to fix its remuneration.

5. Share Capital Mandates • General mandate permitting the Board to issue, allot or otherwise deal with shares representing up to 20% of the Company’s issued share capital (excluding treasury shares) as at the date of the resolution. • General mandate to repurchase shares not exceeding 10% of the issued share capital (excluding treasury shares). • Extension of the issuance mandate by the aggregate number of shares repurchased under the above authority.

6. Equity Incentive Framework • Termination of the share option scheme adopted on 23 September 2016. • Termination of the share award scheme adopted on 8 February 2017. • Adoption of a new Share Option Scheme. • Adoption of a new Share Award Scheme. • Approval of an overall General Scheme Limit for share-based incentives.

Shareholders intending to vote by proxy must submit the revised form—together with any requisite authorisations—to Tricor Investor Services Limited by 10:00 a.m. on 12 September 2026, 48 hours before the meeting. The proxy need not be a Company member but must attend the meeting in person to vote.

The revised form supersedes any previously lodged proxy form if received before the submission deadline; otherwise, the original form remains valid. Completion of the proxy form does not preclude shareholders from attending and voting in person at the AGM.