Disclosure attached.

Ref. No.: 01:SEC:LA:1 Dated: 3rd November 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 Scrip Code: 532555 Symbol: NTPC ISIN: INE733E01010 Sub: Intimation of ESG rating by SES ESG Research Private Limited Dear Sir/ Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Company has received an Environmental, Social and Governance (ESG) rating/score from SES ESG Research Private Limited, a SEBI registered Category-II Subscriber-Pays ESG Rating Provider. NTPC has been assigned score of 64.2 by the aforesaid rating agency, marking an increase of 1.4 points compared to the previous year. The Company further clarifies that SES ESG Research Private Limited was not engaged by the Company for the aforesaid rating, and that the report was prepared independently by the said agency on the basis of information available in the public domain. This is for your information and record. Thanking you/ ध�वाद, Yours faithfully/ भवदीया, (Ritu Arora)/ (�रतु अरोड़ा) Company Secretary & Compliance Officer/