Press Release

Date: 11th August, 2026 To To National Stock Exchange of India Limited BSE Ltd Exchange Plaza, C-1, Block G, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex, Dalal Street, Fort, Bandra (East) Mumbai- 400051 Mumbai - 400 001 NSE Scrip Code: EIEL BSE Scrip Code: 544290 Sub: Media Release – Unaudited Consolidated Financial Results for the Quarter ended 30.06.2026 Dear Sir/ Madam, In accordance with Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find attached herewith media release on the Unaudited Consolidated Financial Results of the Company for the quarter ended 30th June, 2026. The aforesaid information is also available on the Company’s website at www.eiel.in You are requested to take the same on your records. Thanking You, Yours faithfully, Enviro Infra Engineers Limited Piyush Jain Company Secretary and Compliance officer A57000 Encl: a/a Earnings Release Enviro Infra Reports Strong Revenue Growth in Q1 FY27 Q1 FY27 Revenue grows 49.1% YoY to ₹ 3,592 Mn; PAT rises 6.5% YoY to ₹ 452 Mn Healthy and diversified order book across Water & Wastewater, Renewable Energy and O&M businesses provides strong execution visibility Company evolving into integrated engineering player New Delhi, 11th August 2026: Enviro Infra Engineers Limited, a leading 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 and rapidly scaling its presence across renewable energy and battery storage infrastructure, today announced its unaudited consolidated financial results for the quarter ended June 30, 2026. Consolidated Key Financial Highlights: Particulars (₹ Mn) Q1 FY27 Q1 FY26 YoY Q4 FY26 QoQ Revenue from Operations 3,592 2,409 49.09% 4,273 (15.94)% EBIDTA* 757 642 17.87% 799 (5.29)% EBITDA Margin (%) 21.07% 26.65% (558) Bps 18.70% 237 Bps PAT 452 425 6.47% 543 (16.76)% PAT Margin (%) 12.38% 17.05% (466) Bps 12.37% 2 Bps *Excluding other income For the quarter ended, June 30th, 2026 (Q1 FY27): • Revenue from Operations stood at ₹ 3,592 million, marking a 49.09% YoY growth over Q1FY27, driven by steady execution of the order book. • EBITDA for the quarter stood at ₹ 757 million, with an EBITDA margin of 21.07%. • PAT for the quarter stood at ₹ 452 million, with a PAT margin of 12.38%. • Order book stood at ₹ 67,208 million, providing strong revenue visibility for FY27. Key Business Developments & Diversification • Awarded two HAM projects aggregating ₹2,569 million by Uttar Pradesh Jal Nigam (Rural) under the Namami Gange Programme — ₹1,301 million for a 60 MLD STP at Lohta and ₹1,268 million for a 45 MLD STP at Pt. Deen Dayal Upadhyay Nagar, Varanasi, to be executed through wholly owned SPVs. • Secured a ₹ 1,135 million EPC and Operation & Maintenance (O&M) project from Sardar Sarovar Narmada Nigam Limited for water infrastructure development in Gujarat. • Company strengthened its renewable energy portfolio through its step-down subsidiary, Suyog Urja Limited, which secured a ₹ 2,075 million contract from CGE 30 Hybrid Energy Private Limited for land aggregation and Balance of Plant (BoP) work for a hybrid renewable energy project, scheduled for completion by June 30, 2027. Order Book: Order book stood at over ₹67,208 million, comprising a Water & Wastewater Treatment execution order book of over ₹26,962 million, a Renewable Energy order book of over ₹29,080 million, and an O&M order book of over ₹11,166 million. Commenting on the overall performance of the Company, Mr. Sanjay Jain, Chairman, Enviro Infra Engineers Limited, said: “Q1 FY27 reflects our continued focus on strengthening our position in the water and wastewater infrastructure sector while expanding our presence across renewable energy and environmental infrastructure. During the quarter, we maintained steady execution across our core water infrastructure business while further strengthening our renewable energy platform across solar, wind and Battery Energy Storage Systems (BESS). Our diversified order book across water infrastructure, renewable energy and battery storage continues to provide strong revenue visibility and supports our long-term growth strategy. A key highlight during the quarter was the award of two Hybrid Annuity Model (HAM) projects worth ₹ 2569 million in Varanasi under the Namami Gange Programme, further expanding our HAM project portfolio and reinforcing our position in India's wastewater infrastructure. These developments strengthen our execution capabilities across both our core business and our renewable energy platform. With increasing investments in water security, renewable energy and sustainable infrastructure across India, Enviro Infra Engineers remains well positioned to capitalize on long-term growth opportunities and deliver sustainable value creation for all our stakeholders." 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 / Company Secretary and Compliance Officer Ms. Mansi Pasari Enviro Infra Engineers Limited Investor Relations, Adfactors PR investors.relation@eiepl.in rahul.trivedi@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.