Action(s) taken or orders passed

Registered Office: Dhirubhai Ambani Knowledge City Reliance Centre, Ground Floor, Reliance Power Limited Thane Belapur Road, 19, Walchand Hirachand Marg, CIN: L40101MH1995PLC084687 Koparkhairane, Ballard Estate, Mumbai - 400 001 Navi Mumbai 400 710 T el: +91 22 4303 1000 Fax: +91 22 4303 3166 www.reliancepower.co.in July 02, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, 5th Floor, Dalal Street, Fort, Plot C/1, G Block,Bandra-Kurla Complex, Mumbai 400 001 Bandra (East), Mumbai 400 051 BSE Scrip Code : 532939 NSE Scrip Symbol: RPOWER Dear Sir(s), Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘Listing Regulations’) Pursuant to Regulation 30 of the Listing Regulations read with SEBI Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, the requisite disclosure is set out in Annexure A to this letter. Thanking you. Yours faithfully, For Reliance Power Limited Ramandeep Kaur Company Secretary Encl: As above Annexure A Sr. Disclosure Item Details i. Name of the Authority : Income Tax Department – Assessment Unit (National Faceless Penalty Centre) ii. Nature and details of the action(s) : Levy of Penalty of Rs. 2,44,93,394/- under taken or order(s) passed Section 271(1)(c) of the Income-tax Act, 1961 (the “Act”) for Assessment Year 2016-17 iii. Date of receipt of direction or order, : Order dated June 29, 2026 received on July 02, including any ad-interim or interim 2026 orders, or any other communication from the authority iv. Details of the violation(s) / : Disallowance under Section 14A read with Rule contravention(s) committed or 8D and a transfer pricing adjustment. alleged to be committed v. Impact on financial, operation or : No impact on financial, operation or other other activities of the listed entity, activities of the Company, other than the quantifiable in monetary terms to the amount of Rs. 2,44,93,394/- to be paid as extent possible penalty. Based on the merits of the matter, prevailing law and the advice of the counsel, the Company is planning to appeal against this Order before the Appellate Authorities and reasonably expects a favourable order.