Updates

Ref. No.: 01:SEC:LA:1 Dated: 17th July 2026 BSE Limited National Stock Exchange of India Limited Department of Corporate Services, Listing Department, Floor 25, PJ Towers, Dalal Street, Exchange Plaza, Bandra-Kurla Complex, Bandra (E), Mumbai-400 001 Mumbai-400 051 25वी ंमंिजल, पी. जे. टावस(cid:330), दलाल (cid:720)(cid:332)ीट, मुंबई – 400001 ए(cid:411)च(cid:336)ज (cid:600)ाज़ा, बां(cid:363)ा-कु ला(cid:330) कॉ(cid:817)(cid:600)े(cid:411), बां(cid:363)ा (पूव(cid:330)), मुंबई-400 051 Scrip Code: 532555 Symbol: NTPC ISIN: INE733E01010 Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/ Madam, Please find attached herewith disclosure dated 17th July 2026 made by our subsidiary THDC India Limited (THDC) regarding the declaration of COD of 11 MWac Floating Solar Plant on the Raw Water Reservoir of Khurja STPP of THDC w.e.f. 17th July 2026. With this, the total installed capacity of NTPC group stands at 90,965 MW and commercial capacity at 89,885 MW. Thanking you/ ध(cid:586)वाद, Yours faithfully/ भवदीया, (Ritu Arora)/ ((cid:303)रतु अरोड़ा) Company Secretary & Compliance Officer/ Membership No.: / सद(cid:735)ता (cid:354). F5270 Encl.: as above पंजीकृत काया(cid:91)लय : एनट(cid:547)पीसी भवन, (cid:232)कोप का(cid:224)पल(cid:200)ै स, 7, इ(cid:232)ं ट(cid:547)(cid:618)यूशनल ए(cid:464)रया, लोधी रोड, नई (cid:465)द(cid:227)ल(cid:547) – 110003 काप(cid:574)रेट पहचान न(cid:224)बर : L40101DL1975GOI007966, टेल(cid:547)फोन नं. : 011-24387333 फै(cid:200)स नं. : 011-24361018, ईमले : ntpccc@ntpc.co.in वेबसाइट: www.ntpc.co.in Registered Office: NTPC Bhawan, SCOPE Complex, 7 Institutional Area, Lodi Road, New Delhi – 110003 Corporate Identification Number: L40101DL1975GOI007966, Telephone No.: 011-24387333, Fax No.: 011-24361018, E-Mail: ntpccc@ntpc.co.in Website: www.ntpc.co.in No. THDC/RKSH/CS/F-200/BSE-NSE Date: 17.07.2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, 5th Floor, Plot No. C-1, Dalal Street Block G, Bandra-Kurla Complex, Bandra (E), Mumbai 400001 Mumbai 400051 Sub: Declaration of COD of 11 MWac Floating Solar Plant on the Raw Water Reservoir of Khurja STPP of the Company In terms of Regulation 51(1) read with Part B of Schedule Ill of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform that consequent upon successful commissioning and due approvals, 11 MWac Floating Solar Plant on the Raw Water Reservoir of Khurja STPP of THDC India Limited is declared on Commercial Operation w.e.f. 17.07.2026. With this, total installed and commercial capacity of THDC India Limited has now become 3,918 MW. You are hereby requested to take the same on record. Yours Faithfully, For THDC India Limited R SHAS AH RM MI ADDsts55Ditte6aiN=l ag er08tU i:i = ea05t act1 :l8ft N ln da 24l 6y= 5ur 06 0 aR 2ms 21 4k 4iA , 68g bh 4.1nS ea 0e r9Hn 7=d 7d .M f 13 , 6b 7I do 2 y S 5= 2 R cH 1P 921A :EA 33aS RR 11cH :bMS c 2eM bO 5A 31 I N, 8 8 Sc 0A 84H= 55L f7I d 'AN, 3ddR 0, f01 'M a7aA 0606c (Rashmi Sharma) Company Secretary & Compliance Officer