Disclosure under Regulation 30 of SEBI LODR 2015

HeidelbergCement India Limited CIN: L26942HR1958FLC042301 Registered Office 2nd Floor, Block B, DLF Cyber Greens, DLF Cyber City, Phase-III, Gurugram, Haryana 122002, India Phone +91-124-4503700 Fax +91-124-4147698 Website: www.mycemco.com HCIL:SECTL:SE:2026-27 13 September 2026 BSE Ltd. National Stock Exchange of India Ltd. Listing Department, Listing Department, Phiroze Jeejeebhoy Towers Exchange Plaza, C/1, Block G, Dalal Street, Fort, Bandra Kurla Complex, Bandra (E) Mumbai - 400001 Mumbai - 400 051 Scrip Code:500292 Trading Symbol: HEIDELBERG Sub.: Disclosure under Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform that the Company has entered into a Mine Development and Production Agreement (“MDPA”) for a period of 50 years with the Department of Mineral Resources, Government of Madhya Pradesh, in respect of the Sukha–Satpara Limestone Block situated in District Damoh, Madhya Pradesh. The said mining block, admeasuring approximately 216 hectares, was secured by the Company through an auction conducted in 2023 and has estimated limestone resources of approximately 63 million tonnes, as per the Geological Report of the Government. This intimation is also being placed on the website of the Company at Corporate Announcements. We request you to kindly take the above intimation on record. Thanking you, Yours Faithfully, For HeidelbergCement India Ltd. Ravi Arora Vice President- Corporate Affairs & Company Secretary