Certificate under SEBI (Depositories and Participants) Regulations, 2018

July 6, 2026 National Securities Depository Limited, Central Depository Services (India) Limited 3rd Floor, Naman Chamber, 25th Floor, Marathon Futurex, Plot C-32, G-Block, NM Joshi Marg, Bandra Kurla Complex, Lower Parel (East), Bandra East, Mumbai - 400 051. Mumbai – 400 013. Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended June 30, 2026 This is to certify that the details of securities dematerialized during the aforesaid period, as required under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, have been furnished to the Stock Exchanges where the shares of the Company are listed. This is for your information and records. Yours Sincerely, For The Tata Power Company Limited Vispi S. Patel Company Secretary FCS 7021 BSE Limited National Stock Exchange of India Limited Corporate Relationship Department Exchange Plaza, C-1, Block G, Phiroze Jeejeebhoy Towers Bandra-Kurla Complex, Dalal Street Bandra (East) Mumbai – 400 001. Mumbai – 400 051. Scrip Code: 500400 Symbol: TATAPOWER