Please find attached the Transcript of Presentation on Unaudited Financial Results (Standalone and Consolidated) for the quarter ended June 30, 2026.

HI: I: HCCISECITRANI2026 August 10, 2026 BSE Limited National Stock Exchange of India Ltd. The Corporate Relationship Dept, Exchange Plaza, Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Dalal Street, Bandra (East), Mumbai-400 001 Mumbai-400 051 Scrip Code : 500185 Symbol: HCC Dear Sir I Madam, Sub : Transcript of Presentation on Unaudited Financial Results {Standalone and Consolidated) for the quarter ended June 30, 2026 Pursuant to Regulation 30 read with Part A of Schedule Ill of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, transcript of the Presentation made before the Meeting of the Analyst I Institutional Investor on August 6, 2026, on Unaudited Financial Results (Standalone and Consolidated) of the Company for the quarter ended June 30, 2026, is made available on the Company's website at 01 FY27 Analyst Meet Transcript.pdf 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 Hindustan Construction Co Ltd Hincon House, LBS Marg, Vikhroli (West). Mumbai -400 083, India Tel : + 91 22 2575 1000 Fax : + 91 22 2577 7568 CIN : L45200MH1926PLC001228 www.hccindia.com