Certificate under Regulation - 74(5) of SEBI (DP) Regulations, 2018 for the quarter ended 30 September, 2026

Date: 6th October, 2026 To To National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G Phiroze Jeejeebhoy Towers Bandra Kurla Complex Dalal Street Bandra (E), Mumbai – 400051 Mumbai – 400001 Scrip Symbol: EIEL Scrip Code: 544290 Sub: Certificate pursuant to Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th September, 2026 Dear Sir/Madam, ln compliance with the Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, please find enclosed herewith a copy of the Certificate dated 5th October, 2026 received from M/s Bigshare Services Private Limited, Registrar and Share Transfer Agent of the Company for the quarter ended 30th September, 2026. Kindly take the above information on your record. Thanking you, For Enviro Infra Engineers Limited (Piyush Jain) Company Secretary & Compliance Officer A57000 Bigshare Services Pvt. Ltd. Ref No. BSS/Reg 74(5)/2026 Date: 05-10-2026 ENVIRO INFRA ENGINEERS UNIT NO 201 SECOND FLOOR PLOT NO B CSC /OCF 01 RG METRO ARCADE SECTOR 11 ROHINI DELHI 110085 Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th September 2026. Dear Sir, With reference to the captioned regulation, we hereby confirm that the said Regulation is not applicable to the Company, as the entire holding of the Company’s shares are in demat form, and we have not received any request from any members of the Company for rematerialisation during the quarter ended on 30th September 2026. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For Bigshare Services Pvt. Ltd., Sandeep More Authorised Signatory CIN : U99999MH1994PTC076534 Regd. Office: Office No S6-2, 6th Floor, Pinnacle Business Park,Next to Ahura Centre, Mahakali Caves Road, Andheri (East) Mumbai - 400 093. Tel. : +9122 6263 8200 • Fax : +9122 6263 8299 • Email : info@bigshareonline.com • Website : www.bigshareonline.com