Disclosure under Regulation 30 of SEBI (LODR) Regulations, 2015 - Change in Senior Management (Cessation)

31st August, 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 SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Change in Senior Management (Cessation). Dear Sir, In terms of Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended, this is to inform that Shri Vibhay Kumar, Executive Director (ED) of POWERGRID, upon attaining the age of superannuation on 31st August, 2026, has ceased to be ED (i.e. Senior Management Personnel - One level below the Board of Directors) of POWERGRID. 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