Please find enclosed herewith disclosure under Regulation 30 of SEBI (LODR) Regulations, 2015 regarding declaration of commercial operations.

Ref. No.: 01: SEC Dated: 26.09.2026 Listing Department Listing Department National Stock Exchange of India Limited BSE Limited “Exchange Plaza”, Bandra-Kurla Complex Floor 25, Phiroze Jeejeebhoy Towers Bandra (E), Mumbai –400 051 Dalal Street Mumbai-400 001 Trading Symbol: NTPCGREEN Scrip Code: 544289 Sub.: - Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Declaration of Commercial Operation Dear Sir/Madam, In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that first part capacity of 81.34 MW of Kalasar Solar Energy Project at Bikaner, Rajasthan out of 650 MW of solar component under 500 MW REMCL RTC Project of NTPC Renewable Energy Limited, a wholly owned subsidiary of NTPC Green Energy Limited, is declared on commercial operation w.e.f. 00:00 hrs of 26.09.2026. The current commercial capacity of NTPC Green Energy Limited group stands at 10,977.23 MW. With the addition of this capacity, the total installed capacity of the NTPC Green Energy Limited group increases to 11,058.57 MW. We request you to kindly take the same on record. Thanking you, Yours faithfully, For NTPC Green Energy Limited (Deepak C S) Company Secretary & Compliance Officer M. No. F5060 नैगम काया(cid:170)लय : एनटीपीसी (cid:250)ीन एनज(cid:234) िलिमटेड, ने(cid:253)ा कॉ(cid:204)(cid:200)ल(cid:179)े स, ई-3, उ(cid:299)ोग िवहार फेज-2, (cid:250)ेटर नौएडा, उ(cid:176)र (cid:255)देश – 201306 Corp. Office : NTPC Green Energy Limited, NETRA Complex, E-3, Udyog Vihar Ph.-II, Greater Noida, UP-201306 Reg. Office : NTPC Bhawan, Core-7, SCOPE Complex, 7, Institutional Area, Lodhi Road, New Delhi – 110003 सीआईएन : L40100DL2022GOI396282 | टेलीफोन: 011-24360959 | ईमेल: ngel@ntpc.co.in | www.ngel.in CIN : L40100DL2022GOI396282 | Tel.: 011-24360959 | Email: ngel@ntpc.co.in | www.ngel.in