Press Release

October 12, 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, Sub.: Press Release Please find enclosed the press release titled “Tata Power Renewables Records over 130% YoY Growth in Utility-Scale Execution in Q2 FY27, delivering 419 MW Capacity along with 131.2 MWhr of Battery Storage Projects”. This is for your reference and records and is not a disclosure in terms of the requirements of Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Yours Sincerely, For The Tata Power Company Limited Vispi S. Patel Company Secretary FCS 7021 Encl: As above Tata Power Renewables Records over 130% YoY Growth in Utility-Scale Execution in Q2 FY27, delivering 419 MW Capacity along with 131.2 MWhr of Battery Storage Projects TPREL adds 419 MW of utility-scale capacity and 131.2 MWhr of storage in Q2 FY27 • H1 FY27 execution reaches 645 MW of utility-scale projects along with 161.2 MWhr of Battery Storage Projects • Utility-scale operational capacity reaches 7.2 GW along with 281 MWhr of Battery Storage Projects reinforcing TPREL’s commitment to advancing India’s clean energy goals Mumbai, October 12, 2026: Tata Power Renewable Energy Limited (TPREL), one of India’s largest renewable energy companies and a subsidiary of The Tata Power Company Limited (Tata Power), delivered a strong execution performance in Q2 FY27, commissioning 419 MW of utility-scale projects representing over 130% year-on-year growth compared to the 182 MW of utility-scale capacity executed during the corresponding quarter of the previous fiscal year. It has also executed 131.2 MWhr of storage projects (101.2 MWhr of storage capacity for in-house TPREL, while the remaining 30 MWhr of storage capacity comprised third-party projects) during Q2FY27. Building on this strong Q2FY27 performance, TPREL managed to execute a total of 645 MW of utility-scale projects and 161.2 MWhr of storage projects during H1FY27 (of this, 101.2 MWhr of storage projects are for in- house TPREL, while the remaining 60 MWhr of storage projects have been delivered for third-party customers) During H1 FY27, the company successfully commissioned several key projects, including the 100.8 MW Jewali Wind Project, the Kalasar FDRE Project comprising 227.5 MW of solar capacity and a 101.2 MWhr Battery Energy Storage System (BESS), the 100 MW Kayathar Group Captive Project, and the 72.5 MW Tata Steel Captive Project. The company's strong execution momentum reflects its focus on quality, safety, and operational excellence. Backed by a resilient supply chain, experienced partners, and robust project management capabilities, TPREL continues to deliver renewable energy and storage projects efficiently across diverse geographies. With these additions, the company’s utility-scale operational portfolio has grown to 7.2 GW, comprising 5.8 GW of solar, 1.3 GW of wind, and 281.2 MWhr of Battery Storage capacity. TPREL's expanding renewable energy footprint continues to support India's clean energy transition while contributing to national energy security and sustainability. More than 2 GW of projects are expected to be executed in H2 FY27, comprising 1075 MW of solar, 969 MW of wind, and 274 MWhr of BESS. Apart from the mentioned inhouse projects there will be 300 MW of TPREL – 3rd party projects are also to be executed in H2 FY27. Wi By the end of the year, close to 9.3 GW of projects are expected to be executed, which include 6899 MW of solar, 2298 MW of wind, and 555.2 MWhr of Battery Storage. In FY 28, the balance projects of ~2.6 GW consisting of 570 MW Solar, 350 MWhr of Battery Storage and 1,700 MW Wind will be completed and will take the overall operational capacity of TPREL to ~12 GW. About Tata Power: The Tata Power Company Limited, a vertically integrated power company and part of the Tata Group, India’s largest multinational business conglomerate, has built a diversified portfolio across the entire power value chain, with its total operational and under-construction capacity surpassing 26 GW. This includes approximately 17.7 GW of clean and green energy capacity (including projects under construction) and around 8.8 GW of thermal generation capacity, ensuring a balanced and resilient energy mix. The Company also has a strong transmission and distribution footprint, with over 7,800 circuit kilometres of transmission lines, including pipeline projects, and serves over 13 million customers across its distribution businesses, making it one of India’s largest private power distribution companies. Further strengthening its leadership in future-ready energy solutions, Tata Power has established 4.9 GW of integrated solar cell and module manufacturing capacity, signed 2.8 GW of pumped hydro storage projects, and expanded its EV charging network to over 7,000 public charging points across 717 cities and towns in India. As a pioneer in India’s clean energy transition, Tata Power remains committed to achieving Net Zero by 2045 and continues to partner with public and private stakeholders to deliver reliable, sustainable, and technology-led energy solutions across the country. Disclaimer The following press release/announcement may contain forward-looking statements within the meaning of applicable securities laws and regulations. These statements are based on management's current views, expectations, assumptions, and projections regarding the Company's future performance, business plans, growth prospects, competitive and regulatory environment, and other related matter. Such forward-looking statements are subject to various risks and uncertainties, which may cause actual results to differ materially from those expressed or implied in the statements. Factors that could cause actual results to differ materially from those contemplated in the forward- looking statements are not limited to changes in economic conditions affecting demand/supply and price conditions in the domestic and overseas markets in which the Company operates, alterations in the business environment, fluctuations in Government regulations, laws, statutes, judicial pronouncements, and other incidental factor. The Company does not undertake any obligation to publicly update or revise any forward-looking statements based on subsequent events, information, or developments, except as required by applicable laws and regulations. For further information, please contact: Jyoti Kumar Bansal, Chief – Branding & Communications, Tata Power Email: jyotikumar.bansal@tatapower.com Adfactors PR: Siddharth Kumar Siddharth Gaur – Head Public Relations, Tata Power 9902929187 E-mail: Siddharth.gaur@tatapower.com Email:siddharth.kumar@adfactorspr.com