The Company has informed about grant of 64,88,790 stock options.

November 11, 2026 BSE Limited National Stock Exchange of India Limited Corporate Relationship Department Exchange Plaza, 5th Floor, 1st Floor, New Trading Ring, Plot No. C/1, G Block, Rotunda Bldg., P. J. Towers, Bandra-Kurla Complex, Dalal Street, Fort, Bandra (East), Mumbai 400 001. Mumbai 400 051. Scrip Code: 500400 Symbol: TATAPOWER Dear Sir/Madam, Sub: Grant of stock options under ‘The Tata Power Company Limited – Employee Stock Option Plan 2023' Pursuant to authority granted by the Shareholders through Postal Ballot dated September 25, 2023, we wish to inform you that the Nomination and Remuneration Committee at its meeting held today, approved the grant of 64,88,790 (Sixty Four Lakh Eighty Eight Thousand Seven Hundred and Ninety) employee stock options to the eligible employees in terms of ‘The Tata Power Company Limited – Employee Stock Option Plan 2023’ under SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021. This disclosure is made pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Circular No. HO/49/14/14(7)2025-CFD- POD2/I/3762/2026 dated January 30, 2026. The details of the aforesaid grant are provided in the Annexure. This is for your information and records. Yours Sincerely, For The Tata Power Company Limited Vispi S. Patel Company Secretary FCS 7021 Annexure S. No. Particulars Disclosures a. Brief details of options granted 64,88,790 (Sixty Four Lakh Eighty Eight Thousand Seven Hundred and Ninety) employee stock options (“Options”) to be granted to the eligible employees as determined by the Nomination and Remuneration Committee. b. Whether the scheme is in terms of SEBI (SBEB) Yes Regulations, 2021 (if applicable) c. Total number of shares covered by these options 64,88,790 (Sixty Four Lakh Eighty Eight Thousand Seven Hundred and Ninety) Options exercisable into not more than 64,88,790 (Sixty Four Lakh Eighty Eight Thousand Seven Hundred and Ninety) equity shares of face value of ₹1 (Rupee One Only) each fully paid-up. d. Pricing formula ₹ 360 (Three Sixty Rupees Only) being the closing Market Price on November 9, 2026 on National Stock Exchange of India Limited. e. Options vested Nil f. Time within which option may be exercised The vested Options shall be exercisable within a maximum period of 2 (Two) years from the date of Vesting of Options. g. Options exercised Nil h. Money realized by exercise of options Nil i. The total number of shares arising as a result of Nil exercise of option j. Options lapsed Nil k. Variation of terms of options Not Applicable l. Brief details of significant terms The aforesaid Options shall vest not earlier than minimum period of 1 (One) year and not later than maximum period of 3 (Three) years from the Grant Date. m. Subsequent changes or cancellation or exercise of Not Applicable such options n. Diluted earnings per share pursuant to issue of Options are yet to be exercised equity shares on exercise of options