Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015.

August 05, 2026 National Stock Exchange of India Limited BSE Limited Symbol Code: ACC Scrip Code: 500410 Sub.: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir / Madam, Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”), we would like to inform that the Company has received an email from the National Stock Exchange of India Limited forwarding an administrative warning letter issued by the Securities and Exchange Board of India to the erstwhile Company Secretary and Compliance Officer of the Company. The details as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, are enclosed as Annexure A. The Company shall take all the necessary steps to further strengthen the compliance and monitoring mechanisms. The said warning letter is administrative and cautionary in nature and does not impose any financial or operational restrictions on the Company. Kindly take the above on your record. Thanking you, Yours Sincerely, For, ACC Limited Bhavik Parikh Company Secretary & Compliance Officer Membership No.: A40719 Encl: As above ACC Limited Registered Office: Adani Corporate House Shantigram, Near Vaishnodevi Circle, S. G. Highway, Khodiyar, Ahmedabad – 382 421, Gujarat, India Ph +91 79-2656 5555 E mail: acc-investorsupport@adani.com www.acclimited.com CIN: L26940GJ1936PLC149771 Annexure A Sr. Particulars Details pertaining to the actions(s) No. taken or orders passed 1. Name of the authority Securities and Exchange Board of India (SEBI). 2. Nature and details of the action(s) taken, or Administrative warning order(s) passed 3. Date of receipt of direction or order, including SEBI Letter dated July 31, 2026, any ad-interim or interim orders, or any other received through e-mail from NSE on communication from the authority; August 04, 2026. 4. Details of the violation(s)/contravention(s) The administrative warning pertains committed or alleged to be committed; to alleged failure to capture complete information of insiders, who had access to Unpublished Price Sensitive Information (UPSI) relating to the financial results for the quarter ended December 2023, in the Structured Digital Database (SDD) accurately and promptly. 5. Impact on financial, operation or other No impact activities of the listed entity, quantifiable in monetary terms to the extent possible. For, ACC Limited Bhavik Parikh Company Secretary & Compliance Officer Membership No.: A40719 ACC Limited Registered Office: Adani Corporate House Shantigram, S. G. Highway, Khodiyar, Near Vaishnodevi Circle Ahmedabad – 382 421, Gujarat, India Ph +91 79-2656 5555 www.acclimited.com CIN: L26940GJ1936PLC149771