Change in Auditors

18th September, 2026 Listing Department, National Stock Exchange of India Limited Exchange Plaza, C-1 Block-G Bandra Kurla Complex, Bandra (E), Mumbai – 400 051 Symbol: HECPROJECT Dear Sirs, Sub: Intimation of Appointment of Secretarial Auditors of the Company This is to inform you that the Members in their 21st Annual General Meeting held on Friday, the 18th September, 2026 have appointed M/s. Kashyap R. Mehta & Partners, Practising Company Secretaries (FRN: P2025GJ106000, COP No.: 22435 and Peer Reviewed Certificate No. 6827/2025) as Secretarial Auditors of the Company for a period of 5 years (from FY 2026-27 to 2030-31) from the conclusion of 21st Annual General Meeting till the conclusion of the 26th Annual General Meeting to be held in the year 2031. The disclosure pursuant to SEBI Circular no. CIR/CFD/CMD/4/2015 dated 9th September, 2015 read with SEBI Circular no. SEBI/HO/CFD/CFD-PoD-1/P/CIR/2023/123 dated 13th July, 2023 with regard to change in Auditor is given herein under: Sr. Disclosure Details No. requirement (a) Reason for Appointment of M/s. Kashyap R. Mehta & Partners, Practising Company change Secretaries, as the Secretarial Auditors of the Company for a term of five (5) consecutive years to conduct the Secretarial Audit of five consecutive financial years commencing from financial year 2026-27 to 2030-31, pursuant to the provisions of Section 204 of the Companies Act, 2013 and Regulation 24A of S EBI (LODR) Regulations, 2015. (b) Date & Terms of 23/07/2026 Appointment The members of the Company in the 21st Annual General Meeting held on September 18, 2026 have approved appointment of M/s. Kashyap R. Mehta & Partners, Practising Company Secretaries (FRN: P2025GJ106000 and Peer Reviewed Certificate No. 6827/2025) as Secretarial Auditors of the Company to conduct the Secretarial Audit for a term of five (5) consecutive years commencing from financial year 2026-27 to 2030-31. (c) Brief Profile Kashyap R. Mehta & Partners (‘the Firm’) is a partnership of Practising Company Secretaries based in Ahmedabad (Gujarat, India) delivering integrated legal & advisory services in the fields of Corporate & Allied Laws, Capital Markets and Corporate Governance. Yash K. Mehta, Managing Partner has a post qualification experience of more than 15 years. He has been heading the private practice at his proprietorship concern since its founding in 2015. He brings a modern, analytical and transaction-focused approach to the Firm. Kashyap R. Mehta & Partners, Practicing Company Secretaries offer a full Sr. Disclosure Details No. requirement spectrum of corporate, secretarial, regulatory, compliance services, and legal & regulatory services relating to various Corporate Laws and SEBI Laws and s tock exchange related matters. (d) Disclosure of Not Applicable relationships between Directors (in case of appointment of a director) This is in compliance with Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements). Kindly find the same in order and acknowledge receipt of the same. Thanking you, Yours faithfully, For HEC INFRA PROJECTS LIMITED KHUSHI BHATT COMPANY SECRETARY M.NO:A51011