Certificate under Regulation 74(5) of SEBI DP Regulations

IL&FS Engineering and Construction Company Limited CIN - L45201TG1988PLC008624 Corporate Office Ground Floor, Enkay Centre, T +91 124 4988700 Plot No# A, Vanijay Nikunj, F +91 124 4988750 Udyog Vihar, Phase-5, NH-8, E info@Ilfsengg.com Gurugram- 122016, W www.Ilfsengg.com Haryana, India 8th October, 2026 BSE Limited National Stock Exchange of India Ltd. Phiroze Jeejeehoy Towers, “Exchange Plaza” Bandra-Kurla Complex, Dalal Street, Mumai- 400 001 Bandra (East), Mumbai- 400 051 Scrip Code: 532907 Symbol: IL&FSENGG Sub: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the Quarter ended 30th September, 2026 Dear Sir/Madam We, basis the Certificate issued by KFin Technologies Limited, Registrar and Share Transfer Agent for the Quarter ended 30th September, 2026 hereby confirm that the details as required under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018, have been furnished to all the Depositories. Please find enclosed the requisite certificates for your information and record. Thanking you & with regards For IL&FS Engineering and Construction Company Limited Rajib Kumar Routray Company Secretary & Compliance Officer Enclosures: as above Door No.8-2-120/113, B Block, First Floor Sanali Park, Rd No. 2, Banjara Hills, Hyderabad 500034, Telangana, India T +91 40 40409333 F +91 40 40409444 KFIN/MAY/NSDL/74(5) E/1 Date: 02‐10‐2026 NATIONAL SECURITIES DEPOSITORY LIMITED TRADE WORLD 4TH FLOOR KAMALA MILLS COMPOUND SENAPATI BAPAT MARG LOWER PAREL MUMBAI ‐ 400 013 Dear Sir(s), Sub: Certificate under Regulation 74(5) for the quarter ended September 30,2026 We as Registrar to an Issue and Share Transfer Agent of the IL&FS ENGINEERING AND CONSTRUCTION COMPANY LIMITED, certify that the details of securities dematerialized/rematerialized during the aforesaid period, as required under Regulation 74(5) of SEBI (Depositories and participants) Regulations 2018 have been furnished to all the Stock Exchanges where the shares of the company are listed. Thanking You Yours faithfully, for KFIN TECHNOLOGIES LIMITED VAGOLU RATNA BABU ASSISTANT VICE PRESIDENT CC TO: IL&FS ENGINEERING AND CONSTRUCTION COMPANY LIMITED DOOR NO.8‐2‐120/113 B BLOCK, 1ST FLOOR, SANALI INFO PARK ROAD NO.2, BANJARA HILLS HYDERABAD 500033 KFIN/MAY/CDSL/74(5) E/1 Date: 02‐10‐2026 CENTRAL DEPOSITORY SERVICES (INDIA) LIMITED REGD OFF: MARATHON FUTUREX, A WING 25TH FLOOR NM JOSHI MARG LOWER PAREL (EAST) MUMBAI ‐ 400 023 Dear Sir(s), Sub: Certificate under Regulation 74(5) for the quarter ended September 30,2026 We as Registrar to an Issue and Share Transfer Agent of the IL&FS ENGINEERING AND CONSTRUCTION COMPANY LIMITED, certify that the details of securities dematerialized/rematerialized during the aforesaid period, as required under Regulation 74(5) of SEBI (Depositories and participants) Regulations 2018 have been furnished to all the Stock Exchanges where the shares of the company are listed. Thanking You Yours faithfully, for KFIN TECHNOLOGIES LIMITED VAGOLU RATNA BABU ASSISTANT VICE PRESIDENT CC TO: IL&FS ENGINEERING AND CONSTRUCTION COMPANY LIMITED DOOR NO.8‐2‐120/113 B BLOCK, 1ST FLOOR, SANALI INFO PARK ROAD NO.2, BANJARA HILLS HYDERABAD 500033