Intimation regarding Earnings Call

SH/ 01.10.2026 BSE Limited National Stock Exchange of India Limited Corporate Relationship Department Listing Department Mumbai 400 001 Mumbai 400 051 Scrip Code: 530005 Scrip Code: INDIACEM Dear Sirs, Sub.: Intimation regarding Earnings Call Ref.: a. Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) b. ISIN: INE383A01012 Attached is a communication from UltraTech Cement Limited, the Company’s holding company regarding the Earnings Call on the financial results for the quarter and half- year ended 30th September, 2026. Details relating to the said call are attached. The same will also be available on the Company’s website www.indiacements.co.in. We request you to take the above information on record. Yours faithfully, for THE INDIA CEMENTS LIMITED COMPANY SECRETARY Encl.: As above CC: Luxembourg Stock Exchange P O Box 165 L-2011 Luxembourg Grand Duchy of Luxembourg EUROPE. E: investor.indiacements@adityabirla.com 1st October, 2026 BSE Limited The National Stock Exchange of India Limited Corporate Relationship Department Listing Department Scrip Code: 532538 Scrip Code: ULTRACEMCO Sub: Intimation regarding Earnings Call of UltraTech Cement Limited (“the Company”) Ref: Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sirs, An Earnings Call on the financial results of the Company and its subsidiaries for the quarter ended 30th September, 2026 will be held on Monday, 19th October, 2026 at 4:00 pm (IST). Details relating to the said call are attached. This will also be available on the Company's website www.ultratechcement.com. This is for your information and records, please. Thanking you, Yours faithfully, For UltraTech Cement Limited Dhiraj Kapoor Company Secretary and Compliance Officer Encl: a/a Luxembourg Stock Exchange Singapore Exchange BP 165 / L – 2011 Luxembourg 2 Shenton Way, #02-02, SGX Centre 1, Scrip Code: Singapore 068804 US90403E1038 and US90403E2028 ISIN Code: US90403YAA73 and USY9048BAA18 UltraTech Cement Limited Registered Office : Ahura Centre, B – Wing, 2nd Floor, Mahakali Caves Road, Andheri (East), Mumbai 400 093, India T: +91 22 6691 7800 / 2926 7800 I F: +91 22 6692 8109 I W: www.ultratechcement.com/www.adityabirla.com I CIN : L26940MH2000PLC128420 UltraTech Cement Limited EARNINGS CALL INVITATION Conference call access Q2 FY27 Earnings Call Express Join with DiamondPass No wait time —click here to register Monday, 19th October 2026 · 16:00 hrs (IST) UNIVERSAL ACCESS NUMBER We cordially invite you for Q2 FY27 Earnings Call to +91 22 6280 1286 +91 22 7115 8187 be held on Monday, 19th October 2026. INTERNATIONAL TOLL FREE The call will be initiated with a brief management USA 18667462133 discussion on the Q2 FY27 performance, followed by UK 08081011573 an interactive Question & Answer session. Singapore 8001012045 Hong Kong 800964448 Registered Office: UltraTech Cement Limited, ‘B’ Wing, 2nd Floor, Ahura Centre, Mahakali Caves Road, Andheri (E), Mumbai -400 093 · Telephone: +91 22 6691 7800 Website: www.ultratechcement.com · Corporate Identity Number: L26940MH2000PLC128420