Acquisition

July 30, 2026 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 Dear Sir/Madam, Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘Listing Regulations’) and in continuation to our letter dated June 19, 2026, we wish to inform that The Tata Power Company Limited has signed the Share Purchase Agreement (‘SPA’) and acquired 100% equity stake in Ryapte Power Transmission Limited (RPTL), a project special purpose vehicle(‘SPV’). Details pursuant to SEBI Master Circular HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 (‘SEBI Circular’) are mentioned below: Sl. Particulars Description 1 Name of the target entity, details in brief Ryapte Power Transmission Limited (RPTL), was such as size, turnover, etc. set up as a SPV to Build-Own-Operate Transfer basis, to provide transmission service. 2. Whether the acquisition would fall within No related party transaction(s) and whether the promoter/prompter group/group companies have any interest in the entity being acquired? If yes, nature of interest and details thereof and whether the same is done at ‘arm’s length’ 3. Industry to which the entity being Power/Transmission acquired belongs 4. Objects and impact of acquisition To establish and operate Build-Own-Operate- (including but not limited to, disclosure Transfer basis for providing transmission service. of reasons for acquisition of target entity, if its business is outside the main line of business of the listed entity) 5. Brief details of any governmental or Approval has been received from Ministry of regulatory approvals required for the Power for share transfer of RPTL. acquisition 6. Indicative time period for completion of Acquisition process completed on July 30, 2026. the acquisition 7. Consideration - whether cash The acquisition involves purchase of equity consideration or share swap or any against cash consideration. other form and details of the same 8. Cost of acquisition or the price at which ₹ 10.87 crore the shares are acquired 9. Percentage of shareholding/control 100% equity stake in RPTL. acquired and/or number of shares acquired 10. Brief background about the entity The Company is a SPV formed on May 21, 2025, acquired in terms of products/line of specifically to establish the transmission system business acquired, date of for RPTL which comprises construction of approx. incorporation, history of last 3 years 250 km line route having: turnover, country in which the acquired entity has presence and any other i 400 kV D/C line from Ryapte AIS Sub-station significant information (in brief); to proposed 400/220 kV Doddathaggalli GIS S/s, ii 400 kV D/C line from existing Kolar S/s to proposed Doddathaggalli GIS S/s iii 220 kV D/C line from proposed Doddathaggalli GIS S/s to 220 kV existing substation of Ekarajapura, Hosakote and Sarjapura in Karnataka. iv 220 kV Underground cable from Doddathaggalli GIS S/s to Ekarajapura, Hosakote and Sarjapura s/s. Further, the project scope includes (a) Establishing 5x500 MVA, 400/220 kV S/s at Ryapte in Tumkur District along with 2x125MVAr 400 kV Bus Reactors and (b) Establishing 3X500 MVA, 400/220kV GIS sub-station at Doddathaggalli (Near Hosakote) along with 2x125 MVAr 400 kV Bus Reactors The schedule date of commercial operation (SCOD) of the said SPV will be 30 months from the date of SPV acquisition. The above information is being made available on the website of the Company: www.tatapower.com This is for your information and records. Yours Sincerely, For The Tata Power Company Limited Vispi S. Patel Company Secretary FCS 7021