Commissioning of project namely "Transmission scheme for integration of Renewable Energy Zone (Phase-II) in Koppal-II (Phase-A & B) and Gadag-II (Phase-A) in Karnataka.

23rd October, 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.: Commissioning of project namely “Transmission Scheme for integration of Renewable Energy Zone (Phase-II) in Koppal-II (Phase-A & B) and Gadag-II (Phase- A) in Karnataka”. Dear Sir, In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended, this is to inform that the project namely “Transmission Scheme for integration of Renewable Energy Zone (Phase-II) in Koppal-II (Phase-A & B) and Gadag-II (Phase- A) in Karnataka” (‘Project’) has been completely commissioned with effect from 23rd October, 2026 for which Notification for Commercial Operation (DOCO) has been received on 23rd October, 2026. The Project was entrusted to POWERGRID Koppal Gadag Transmission Ltd (PKGTL), then a wholly owned subsidiary of Power Grid Corporation of India Ltd., which is amalgamated with POWERGRID Khavda II-C Transmission Limited w.e.f. 01st March 2026 as per order dated 27th January, 2026 of the Ministry of Corporate Affairs (MCA). This is for your information and record please. 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