General Updates

01st November, 2026 To To The General Manager (Listing), The General Manager (Listing), National Stock Exchange of India Limited, BSE Limited, Exchange Plaza, C 1/G Block, Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Dalal Street, Mumbai. Bandra (East), Mumbai Reference: NSE-SCRIP ID: POWERGRID; BSE Scrip Code: 532898 EQ – ISIN: INE752E01010 Sub.: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements Regulations, 2015 Dear Sir, Further to our letter dated 09th March, 2026 (copy enclosed), we wish to inform that the Board of Directors of Power Grid Corporation of India Limited (“POWERGRID”) in its meeting held today i.e. 01st November, 2026, has accorded approval to sell & transfer entire equity shares held by POWERGRID in Central Transmission Utility of India Limited (“CTUIL”), a wholly owned subsidiary of POWERGRID, to Grid Controller of India Limited (“GRID-INDIA”) at the purchase price being the aggregate of (a) Initial payment of ₹73.46 crore (after adjusting Net Asset Value of ₹76.85 crore as on valuation date of 30th September, 2026 with Specified Liability Deductions of ₹3.39 crore) and (b) True up amount to be determined based on valuation for the period from 30th September, 2026 (valuation date) to the closing date being the date falling within 3 months from the date of signing of Share Purchase Agreement (SPA). The details as specified under SEBI Master circular dated 30th January, 2026 will be informed in the due course upon completion of the entire transaction. This is being informed in terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended. Thanking You, Yours faithfully, (Anjana Luthra) Company Secretary & Compliance Officer Corporate Office: “Saudamini”, Plot No. 2, Sector-29, Gurugram-122001, (Haryana) Tel.: 0124-2822999 & 2822000 Registered Office: B-9, Qutab Institutional Area, Katwaria Sarai, New Delhi-110 016. Tel: 011-26560112, 26560115 & 26560193, CIN : L40101DL1989GOI0381 21 Website: www.powergrid.in