Appointment of Secretarial Auditor

September 30, 2026 To, To, Asst. Vice President, The Manager (Listing) National Stock Exchange of India BSE Limited Ltd., Exchange Plaza, Plot C/1, G Floor 25, P J Tower, Block Bandra-Kurla Complex, Dalal Street, Mumbai – 400001 Bandra (E), Mumbai – 400 051 Scrip Code: 531357 Scrip Name: MERCURYEV Sub: Disclosure under Reg. 30of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Appointment of Secretarial Auditor. Dear Sir/Madam, Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, we would like to inform you that the shareholders at the 40th Annual General Meeting (‘AGM’) of the Company, held on Wednesday, September 30, 2026 have considered and approved the appointment of M/s. Nisarg Sharma & Associates, (COP-17088) (PRCN: 3941/2023) Practicing Company Secretary, Ahmedabad as the Secretarial Auditor of the Company for a period of 5(five) consecutive years commencing from F.Y. 2026-27 to the Financial Year 2030-31. The disclosure in terms of Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, is enclosed as Annexure-I to this letter. Kindly take the same on the record and oblige. Yours faithfully, For, MERCURY EV-TECH LIMITED KRISHNA NAIK Company Secretary ACS: 45523 ANNEXURE-1 Details regarding appointment of Secretarial Auditor pursuant to Regulation 30 – Part A of Para A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Sr. Particulars Details of Information 1 Name of Secretarial M/s. Nisarg Sharma & Associates, Practising Auditor Company Secretaries. 2 Reason for change viz. Appointment appointment, resignation, removal, death or otherwise 3 Date of Appointment Appointment has been approved by shareholders in their meeting held on 30.09.2026. 4 Term of Appointment Appointed as Secretarial Auditors of the Company for the first term of five (5) consecutive years, from the financial years 2026-27 to 2030- 5 Brief Profile (in case of M/s. Nisarg Sharma & Associates is a Peer appointment) Reviewed firm of Practising Company Secretaries providing professional services in the areas of corporate laws, securities laws, secretarial audit, corporate governance and allied compliance and advisory matters. The firm holds Peer Review Certificate No. 3941/2023 issued by the Institute of Company Secretaries of India. 6 Disclosure of relationships Not Applicable between directors (in case of appointment of a director)