Please find attached the copy of newspaper publication of the Unaudited Financial Results for the quarter and half year ended September 30, 2026.

HCC/SEC/RESULT-ADVT/2026 November 6, 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 / Madam, Sub : Newspaper publication of the Unaudited Financial Results for the quarter and half yvear ended September 30, 2026 Pursuant to Regulations 47 and 52 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are enclosing the newspaper advertisements, published in the newspapers viz. "Business Standard" (English) and "Sakal" (Marathi) on November 6, 2026 in connection with Unaudited Standalone and Consolidated Financial Results of the Company for the quarter and half year ended September 30, 2026. We request you to kindly take the above on record. Yours sincerely, For Hindustan Construction Company Ltd. Rahul Shukla Chief Financial Officer 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 Constructi fice: H