Commencement of commercial production/operations

Birla Corporation Limited Corporate Office: 1, Shakespeare Sarani, A.C. Market (2nd Floor), Kolkata 700 071 P: 033 6603 3300-02 F: +91 332288 4426 E: Coordinator@birlacorp.com 22nd June, 2026 BSE Limited National Stock Exchange of India Ltd. Phiroze Jeejeebhoy Towers, ‘Exchange Plaza’, C-1, Block G, Dalal Street, Bandra-Kurla Complex, Bandra (East) Mumbai- 400 001 Mumbai- 400 051 Scrip Code: 500335 Scrip Symbol: BIRLACORPN Dear Sir(s), Sub: Disclosure under Regulation 30 and 51 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Commencement of Commercial Production at Bikram Coal Mine In continuation of our earlier intimation dated 23rd April, 2026, made pursuant to Regulation 30 and 51 of SEBI (Listing Obligations and Disclosure Requirements) Regulation, 2015, regarding the commencement of coal mining operations at Bikram Coal Mine located in Burhar, Shahdol, Madhya Pradesh, we hereby inform that Bikram Coal Mine has commenced commercial production of coal with effect from 22nd June, 2026. The aforesaid event occurred on 22nd June, 2026 at around 1.45 p.m. (IST). The aforesaid information is also being uploaded on the Website of the Company at www.birlacorporation.com. This is for your information and record. Yours faithfully, For BIRLA CORPORATION LIMITED (MANOJ KUMAR MEHTA) Company Secretary & Legal Head Registered Office: Birla Building, 9/1 R. N. Mukherjee Road, Kolkata-700001 | CIN: L01132WB1919PLC003334 | | www.birlacorporation.com| P: 033 6616 6745/6826; F: +91 33 2248 2872/7983