Update on acquisition of Solenergi Power Private Limited by Aditya Birla Renewables Limited, a subsidiary of the Company

Ref No. GIL/CFD/SEC/27/119/SE 30th October 2026 BSE Limited National Stock Exchange of India Limited Scrip Code: 500300 Symbol: GRASIM Dear Sir/Madam, Sub: Receipt of communication from Competition Commission of India in relation to acquisition of 100% of the equity shares and other securities of Solenergie Power Private Limited from Shell Overseas Investment B.V. by Aditya Birla Renewables Limited, subsidiary of the Company Ref: Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) This is in continuation to the corporate announcement dated 13th July 2026 wherein we had informed that the Board of Directors of Aditya Birla Renewables Limited (“ABReN”), a subsidiary of the Company, at its meeting held on 13th July 2026, considered and approved the execution of a Share Purchase Agreement (“SPA”) to acquire 100% of the equity shares and other securities of Solenergi Power Private Limited from Shell Overseas Investment B.V., a wholly-owned subsidiary of Shell Plc, subject to receipt of necessary regulatory approvals. In this regard, this is to update that the Competition Commission of India, vide its letter dated 30th October 2026, has communicated that it has granted approval to ABReN under Section 31(1) of the Competition Act, 2002 for the aforesaid acquisition. The stock exchange intimation filed by ABReN in this regard is enclosed. Further, this information is being hosted on the Company’s website at https://www.grasim.com Thanking you, Yours sincerely, For Grasim Industries Limited Neelabja Chakrabarty Company Secretary and Compliance Officer ACS – 16075 Encl: as above Luxembourg Stock Exchange Citibank N.A. Citibank N.A. 35A Boulevard Joseph II Depositary Receipt Custodial Services FIFC, L-1840 Luxembourg Services 11th Floor, C-54 & 55, G Block, 388 Greenwich Street, Bandra (East), Mumbai 26th Floor, New York, 400051 NY 10013 Grasim Industries Limited Aditya Birla Centre, ‘A’ Wing, 2nd Floor, S.K. Ahire Marg, Worli, Mumbai 400 030, India T: +91 22 6652 5000 / 2499 5000 | F: +91 22 6652 5114 / 2499 5114 E: grasim.secretarial@adityabirla.com | W: www.grasim.com | CIN: L17124MP1947PLC000410 Regd. Office : Birlagram, Nagda – 456 331 (M.P.) To, October 30, 2026 BSE Limited P.J. Towers, Dalal Street, Fort Mumbai - 400001 Scrip code 976038 (86ABRL27) ISIN INE01QP08016 Sub.: Update on Acquisition of Solenergi Power Private Limited by Aditya Birla Renewables Limited Ref.: Regulation 51(1) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/ Ma am, Aditya Birla Renewables Limited Registered Office: A-4 Aditya Birla Centre, S K Ahire Marg, Worli, Mumbai 400 030, Maharashtra, India T: +91 22 2499 5000 / 6652 5000 | F: +91 22 2499 5821, 6652 5821 E: abrel@adityabirla.com | W: www.adityabirlarenewables.com Administrative Office: Birla Aurora, 11th Floor, Dr. Annie Besant Road, Worli, Mumbai - 400 030, Maharashtra, India T: +91 22 6997 8000 Corporate Identity Number: U40300MH2015PLC267263