Disclosure under Regulations 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015

Reliance Infrastructure Limited CIN : L75100MH1929PLC001530 Tel: +91 22 4303 1000 Regd. Office: www.rinfra.com Reliance Centre, Ground Floor, 19, Walchand Hirachand Marg, Ballard Estate, Mumbai 400 001 July 29, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Dalal Street, Fort, Plot No. C/1, G Block, Bandra Kurla Complex, Mumbai 400 001 Bandra (East), Mumbai 400 051 BSE Scrip Code: 500390 NSE Scrip Symbol: RELINFRA Dear Sir(s), Ref. : Disclosure under Regulation 30 of the Securities and Exchange Board of India (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, we wish to inform you that today the Company is in receipt of the Arbitral Award dated July 27, 2026 in the matter of arbitration between the Company and Mumbai Metropolitan Regional Development Authority (MMRDA) in relation to the subordinated debt provided by the Company to Mumbai Metro One Private Limited (MMOPL), a joint venture of the Company with MMRDA (where the Company holds 74% and MMRDA holds 26%), operating the Metro Line between Versova – Andheri - Ghatkopar Corridor in Mumbai. Against the Company's claims in the matter, the Arbitral Tribunal has, with 3:0 majority, granted a sum of Rs. 157.64 crore towards cost of subordinated debt to the Company along with interest. Yours faithfully, For Reliance Infrastructure Limited Paresh Rathod Company Secretary