Press Release - Financial results for the quarter ended June 30, 2026.

July 27, 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, Press Release We forward herewith a copy of the Press Release issued by the Company on the Audited Standalone Financial Results and Unaudited Consolidated Financial Results of the Company for the quarter ended June 30, 2026. The above announcement is also being made available on the Company’s website at 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 Encl: As above #Q1FY27 Tata Power Reports Q1FY27 PAT of ₹ 1,401 crore, up 11% (YoY) Achieves EBITDA of ₹ 4,249 crore up 8% (YoY); Revenue at ₹ 18,898 crore up 8% (YoY) Deploys highest-ever capital expenditure of ₹5,375 crore in a quarter Key Highlights: • Core Business of Generation, Transmission & Distribution and Renewables delivers strong performance backed by improved operational efficiency with Revenue growth of 12%, EBITDA growth of 12% and PAT growth of 14% YoY in Q1FY27 • Renewables Business PAT rises to ₹ 612 crore, up 15% YoY in Q1FY27 • Solar Cell and Module Manufacturing PAT grows to ₹ 371 crore in Q1 FY27 with 3.9x growth YoY • Rooftop Solar PAT grows to ₹ 145 crore in Q1FY27 with 1.7x growth YoY on the back of pan India execution and increased adoption across consumer segments • T&D Business reports PAT of ₹ 492 crore and EBITDA of ₹ 1,541 crore in Q1FY27, reflecting a growth of 11% and 14% YoY, respectively • Odisha DISCOMs PAT grows to ₹ 111 crore in Q1FY27, up 6% YoY; become first Private Utility to cross 1 crore registered customer base in a single state • Fast-Tracking Pumped Hydro Growth: 324 MW of the 1,000 MW of Bhivpuri PSP capacity tied up with SECI Growth Levers: • Pioneering Solar Manufacturing through Indigenisation of Solar Value Chain: - TP Solar achieved its highest-ever quarterly production, with 1,001 MW of modules and 862 MW of cells manufactured at industry-leading plant yields. This helped drive revenue to ₹2,462 crore in Q1FY27, reflecting strong year-on-year growth. - As part of its expansion across the solar value chain, the Company is progressing with the development of a 10 GW photovoltaic ingot and wafer manufacturing facility (to be implemented in two phases of 5 GW each). The Company has signed an MoU with Gopalpur SEZ for 128 acres of land, while land development and environmental clearance activities are currently underway. • India's Single Largest Rooftop Solar Solutions (Solar + Battery Storage) Player: - Tata Power continues to lead India’s Rooftop Solar revolution with 371 MWp installed during the quarter, up 37% YoY, and delivered ₹ 1,350 crore in Rooftop revenue. Company has launched itssolar plus battery solution for wider market outreach. Tata Power Solaroof’s cumulative installed capacity now stands at 5.2 GWp and serves over 4.8 lakh customers, supported by a nationwide network of 3,778 authorised Channel Partners and Retailers. • Strong Renewable Execution: Renewable portfolio now stands at 12 GW, including under construction capacity of 5.3 GW • Transmission Business - Enabling Seamless Evacuation: Secured a Letter of Intent from REC Power Development & Consultancy (RECPDCL) for the Ryapte intra-state TBCB project in Karnataka of 491 Ckm with a capex of over ₹4,000 crore, taking the total transmission portfolio to 7,894 ckm. FY27 is expected to be a strong year for project execution and delivery, including the planned commissioning of the 164 Ckm TP Jalpura Khurja Transmission Limited project. The current under-construction transmission portfolio stands at 2,332 Ckm, providing strong potential for future growth. • Odisha DISCOMs continue to outperform: PAT of ₹ 111 crore, up 6% YoY, driven by sustained operational improvements higher RoE and rising consumer demand. Tata Power remains well-positioned to support additional consumers and partner with States through PPP and via parallel licensing models. • Mundra fully operational: Tata Power’s Mundra Plant resumed full 4,150 MW operations from 1st April 2026 and is currently running under Section 11. The plant continues to supply power to all the procurers to meet the Nation’s peak power demand; Ministry of Power has extended Section 11 directions till 30th September 2026. The SPPA with GUVNL has been signed and discussions with other States are underway. • Ensuring Nation’s energy security through cross-border partnership: Uttar Pradesh Electricity Regulatory Commission (UPERC) has cleared Uttar Pradesh Power Corporation Limited (UPPCL)’s 511 MW long-term purchase from the 600 MW Khorlochhu project in Bhutan. The Khorlochhu project is tied up under a 30-year power purchase agreement with TPTCL, with UPPCL as the offtaker. Furthermore, Tata Power and Bhutan’s Druk Green Power Corporation has signed an MoU for 404 MW Nyera Amari I & II Integrated Hydropower Project in Bhutan. • Advancing Round-the-Clock Renewable Supply through PSP: Tata Power has secured a Letter of Award from SECI, under which the Company will supply 324 MW for 40 years from its 1,000 MW Pumped Hydro Storage Project at Bhivpuri, Maharashtra. • Accelerating clean mobility adoption: Tata Power EZ Charge network now spans over 2.4 lakh home chargers, 5,900+ public, semi-public and fleet charging points and 1,200+ e-bus charging points across 717 cities and towns, with over 6 lakh registered users and ~476 million green miles covered. • Recognised on ESG parameters: Tata Power retained its MSCI ‘A’ rating and improved its S&P Global Corporate Sustainability Assessment score to 77 (from 68), alongside a CDP ‘B’ for both Climate Change and Water Security. Mumbai, July 27, 2026: Tata Power, one of India’s largest vertically integrated power companies, today reported a Profit after Tax (PAT) of ₹ 1,401 crore, up 11 % YoY, for the first quarter ended June 30, 2026. The Company’s revenue grew to ₹ 18,898 crore, up 8% YoY; while EBITDA rose to ₹ 4,249 crore, up 8% YoY. The Company has commenced FY27 on a strong footing, with the first quarter reflecting solid execution across its businesses and reinforcing the strategic priorities that will drive the next phase of growth. As green energy adoption accelerates, Tata Power is strategically investing across the value chain from domestic manufacturing and large-scale renewable development to cross-border clean energy partnerships and energy storage solutions. The Company is building capabilities that enhance grid flexibility and reliability through a combination of pumped hydro storage, battery energy storage systems and hybrid energy solutions. These efforts are pioneering dependable clean energy access for commercial, industrial and residential consumers. Consolidated Financial Performance (in ₹ crore) Particulars Q1 FY27 Q1 FY26 % Change YoY Revenue 18,898 17,464 8% EBITDA 4,249 3,930 8% Reported PAT 1,401 1,262 11% Dr. Praveer Sinha, CEO and Managing Director, Tata Power, said: "India's energy sector is entering its next phase of transformation where the focus is shifting to delivering reliable, round-the- clock clean energy. At Tata Power, we have positioned ourselves ahead of this curve through our integrated and bundled supply of RTC Renewable power though solar, wind, battery storage and pumped storage projects. This quarter marks several strategic milestones that will shape our next phase of growth. With more than ₹5,000 crore deployed towards capex during Q1, we have begun FY27 with a strong project implementation roadmap. The return of Mundra to full operations, industry leading solar rooftop growth and deepening cross- border energy partnerships further reinforce our position as a leading integrated power company.” Business Highlights – [Showing first 8,000 characters — download PDF for full document]