Certificate under SEBI (Depositories and Participants) Regulations, 2018

HCC/SEC/7 4(5)/2026 October 5, 2026 BSE Limited National Stock Exchange of India Ltd. The Corporate Relationship Dept, Exchange Plaza, Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Dalal Street, Sandra (East), Mumbai-400 001 Mumbai-400 051 Scrip Code: 500185 Symbol: HCC Dear Sir I Madam, Sub: Certificate in terms of Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 Based on the certificate received from MUFG lntime India Private Limited (Formerly Link lntime India Private Limited), Registrar & Share Transfer Agent of the Company, we hereby certify that the securities received for dematerialization have been mutilated and cancelled after due verification and the name of the depositories have been substituted in the Register of Members as the registered owner within the prescribed timelines. We hereby also certify that the securities dematerialized I rematerialized during the quarter ended September 30, 2026 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. We request you to kindly take the above on record. Yours sincerely, For Hindustan Construction Company Ltd. Nitesh Kumar Jha Company Secretary Encl.: As above National Securities Depository Ltd. Central Depository Services (India) Ltd. 3rd Floor, Naman Chamber, Plot C-32, Marathon Futurex, A-Wing, 251 Floor, G-Biock, Sandra Kurla Complex, N. M. Joshi Marg, Lower Pare!, Sandra (East), Mumbai-400 051. Mumbai-400 013. E-mail.: issuerprofile@nsdl.co.in Email.: issueradmission@cdslindia.com Hindustan Construction Co Ltd Hmcon House. LBS Marg. Vikhroli !West), Mumba1 · 400 083. India Tel: ~91 22 25751000 Fax •91 27 2577 7568 www.hccmdia.com CIN . L45200MH1976PLC001Z28 MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai - 400 083 Tel: +91 22 4918 6000 Email:Investor.helpdesk@in.mpms.mufg.com Website: https://in.mpms.mufg.com Ref. No. CSC/HCC/2026 5th October 2026 Hindustan Construction Company Limited Hincon House, Lal Bahadue Shastri Marg, Vikhroli (West) Mumbai – 400083 Kind Attn : Mr. Santosh Kadam Dear Sir/Madam, RE: QUARTERLY CERTIFICATE UNDER REGULATIONS 74 (5) OF SEBI (DEPOSITORIES & PARTICIPANTS) REGULATION 2018 In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th September 2026 were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed (accepted / rejected) and the security certificates received were mutilated and cancelled after due verification by the depository participant. The name of the depositories has been substituted in the register of members, for securities dematerialised, as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. This is for your information and records Thanking you, Yours faithfully, For MUFG INTIME INDIA PRIVATE LIMITED (Formerly Link Intime India Private Limited) (Damodar Kambli) Assistant Vice President MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Services