Press Release

Date: 15th October, 2026 To To National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G Phiroze Jeejeebhoy Towers Bandra Kurla Complex Dalal Street Bandra (E), Mumbai – 400 051 Mumbai – 400001 Scrip Symbol: EIEL Scrip Code: 544290 Subject: Press Release Dear Sir/Madam. We are enclosing herewith a press release titled “Enviro Infra Engineers’ Subsidiary Suyog Urja Receives ₹228 Crore LOI from ARIE Energy LLP for Wind EPC Project” issued by the Company. Kindly take the above information on record. Thanking you, For Enviro Infra Engineers Limited (Piyush Jain) Company Secretary & Compliance Officer A57000 Enviro Infra Engineers’ Subsidiary Suyog Urja Receives ₹228 Crore LOI from ARIE Energy LLP for Wind EPC Project • LOI for EPC turnkey works for the 100 MW Ajani Wind Power Project at Latur, Maharashtra • Order value of ₹228 crore (excluding GST), to be executed by 31st July 2027 New Delhi, 15th October 2026: Enviro Infra Engineers Limited (EIEL) (NSE: EIEL, BSE: 544290), a leading EPC company in water and wastewater treatment, through its subsidiary Suyog Urja Limited, has received a Letter of Intent (LOI) from ARIE Energy LLP for the execution of EPC turnkey works for the development of a 100 MW Ajani Wind Power Project at Ajani, Tal. Shirur Anantpal, Dist. Latur, Maharashtra. The LOI has a contract value of ₹228 crore and is to be executed by 31st July 2027. This follows the LOI worth ₹224.19 crore received by Suyog Urja Limited from Tata Power Renewable Energy Limited (TPREL) in September 2026 for EPC turnkey works for a 180 MW NTPC Wind Power Project at Parli, Maharashtra. Commenting on the development, Mr. Sanjay Jain, Chairman, Enviro Infra Engineers Limited, said, “Ajani Wind Power Project marks our second significant achievement in the wind EPC segment in recent months and is an important milestone in expanding our presence in renewable energy infrastructure. Through Suyog Urja, we are strengthening our capabilities in this space and building a strong foundation for future growth. This order, following our recent win for the 180 MW NTPC Wind Power Project, reflects our focus on scaling our renewable energy business through disciplined execution, technical expertise and the ability to deliver large-scale projects. Together, these achievements reinforce our commitment to contributing to India’s growing clean energy ambitions.” The LOI further strengthens Enviro Infra Engineers’ growing renewable energy portfolio and reinforces its strategy of building diversified, integrated capabilities across the clean energy infrastructure ecosystem. About Enviro Infra Engineers Limited: Enviro Infra Engineers Limited, incorporated in 2009 and headquartered in New Delhi, is an infrastructure company specializing in the design, construction, operation and maintenance of Water and Wastewater Treatment Plants (WWTPs) and Water Supply Scheme Projects (WSSPs) for government authorities across India. The Company's expertise spans Sewage Treatment Plants (STPs), Sewerage Schemes (SS), Common Effluent Treatment Plants (CETPs), Water Treatment Plants (WTPs), pumping stations and water supply pipelines, supported by advanced treatment technologies, including Zero Liquid Discharge (ZLD) solutions. Building on its strong foundation in water and wastewater infrastructure, the Company has diversified into renewable energy through its subsidiary, EIE Renewables, with capabilities across solar, wind and Battery Energy Storage Systems (BESS), further strengthening its presence in sustainable infrastructure. Backed by an experienced in-house engineering team and strategic joint venture partnerships, Enviro Infra Engineers delivers complex infrastructure projects while adhering to the highest quality, environmental and regulatory standards. The Company's projects are supported by key government initiatives, including the Atal Mission for Rejuvenation and Urban Transformation (AMRUT), the National Mission for Clean Ganga (NMCG) and the Jal Jeevan Mission (JJM), reinforcing its commitment to strengthening India's water and environmental infrastructure. For more information visit: www.eiel.in For further information please contact: Mr. Piyush Jain Mr. Rahul Trivedi / Mr. Mohit Upadhyay / Ms. Mansi Company Secretary and Compliance Officer Pasari Enviro Infra Engineers Limited Investor Relations, Adfactors PR investors.relation@eiepl.in rahul.trivedi@adfactorspr.com jay.jain@adfactorspr.com mohit.upadhyay@adfactorspr.com mansi.pasari@adfactorspr.com Cautionary statement concerning forward-looking statements Certain statements in this document may constitute forward-looking statements within the meaning of applicable securities laws and regulations. These statements are based on management's current expectations, estimates and assumptions regarding future events and are subject to various risks, uncertainties and other factors that could cause actual results to differ materially from those expressed or implied by such forward-looking statements. These risks and uncertainties include, but are not limited to, changes in economic conditions, government policies, regulatory developments, competitive dynamics and other factors beyond the Company's control. Readers are cautioned not to place undue reliance on these forward-looking statements. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required under applicable law.