Commencement of commercial production/operations

1st September, 2026 BSE Limited The National Stock Exchange of India Limited Corporate Relationship Department Listing Department Scrip Code: 532538 Scrip Code: ULTRACEMCO Sub: Commencement of commercial production of UltraTech Cement Limited – Wires & Cables Plant at Bharuch (Gujarat) Dear Sirs, This is to inform that the Company’s Wires & Cables plant located at Bharuch, Gujarat has commenced commercial production today i.e. 1st September 2026 as per the details provided in the attached annexure. This is submitted for your information and records. 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 Annexure Particulars Details Plant Location Jhagadia State Gujarat - 393110 Products House Wires & Light Duty Cables Installed capacity 1,098,000 (KM) 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