Bagging/Receiving of orders/contracts

June 19, 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, 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, as amended, we hereby inform you that the Company has received a Letter of Intent (LOI) from REC Power Development and Consultancy Limited, a wholly owned subsidiary of REC Limited, for the acquisition of Ryapte Power Transmission Limited, a project special purpose vehicle (SPV). The details pertaining to SEBI Master Circular No. HO/49/14/14(7)2025-CFDPOD2/I/3762/2026 dated January 30, 2026, (‘SEBI Circular’) are provided below - Sl. Particulars Description a) Name of the entity awarding the REC Power Development and Consultancy order(s)/contract(s); Limited b) Significant terms and conditions of The Project SPV, Ryapte Power order(s)/contract(s) awarded in brief; Transmission Limited, will be developed on a Build-Own-Operate Transfer basis to provide transmission services for 35 years from the Scheduled Commercial Operation Date (SCOD), set 30 months after the SPV transfer. The scope of project involves constructing approx. 250 km line route comprising 400 kV D/C line, 220 kV D/C line and 220 kV Underground cable in the following region i 400 kV D/C line from Ryapte AIS Sub- station to proposed 400/220 kV Doddathaggalli GIS S/s, ii 400 kC 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. In addition, 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 (b) Establishing 3X500 MVA, 400/220kV GIS sub-station at Doddathaggalli (Near Hosakote) along with 2x125 MVA, 400 kV Bus Reactors Major terms and conditions: SCOD – 30 months from effective date (SPV transfer). Transmission Service Agreement period – 35 years. c) Whether order(s) / contract(s) have been Domestic Entity awarded by domestic/ international entity; d) Nature of order(s) / contract(s); Construction and commissioning of approx. 250 km line route comprising 400 kV D/C line, 220 kV D/C line and 220 kV Underground cable and establishing two green field S/s one at Ryapte, Tumkur (400/220 kV AIS) and other one at Doddathaggalli, Hoskote (400/220 kV GIS) e) Whether domestic or international; Domestic f) Time period by which the order(s)/contract(s) The award is placed on the Company for a is to be executed; period of 35 years. g) Broad consideration or size of the Annual Transmission Charges – order(s)/contract(s); ₹ 521.07 crore h) Whether the promoter/ promoter group / Not applicable group companies have any interest in the entity that awarded the order(s)/contract(s)? If yes, nature of interest and details thereof; i) Whether the order(s)/contract(s) would fall Not applicable within related party transactions? If yes, whether the same is done at “arm’s length”. 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