Press Release

June 29, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza Dalal Street Bandra Kurla Complex Mumbai – 400 001 Bandra (East), Mumbai – 400 051 Scrip Code: 542760 Symbol: SWSOLAR Sub.: Press Release – SWREL JV Secures A Landmark Project In Egypt Dear Sir/ Madam, Please find enclosed a copy of the press release with respect to the captioned subject. The order mentioned in the press release is in the normal course of business. Request you to take the same on records. Thanking you. Yours faithfully, For Sterling and Wilson Renewable Energy Limited Ajit Pratap Singh Chief Financial Officer Encl.: As above Sterling and Wilson Renewable Energy Limited Regd. Office: Universal Majestic, 9th Floor, P. L. Lokhande Marg, Chembur (W), Mumbai - 400043 Phone: (91-22) 25485300 | Fax: (91-22) 25485331 | CIN: L74999MH2017PLC292281 Email: info@sterlingwilson.com | Website: www.sterlingandwilsonre.com For Immediate Release SWREL JV Secures A Landmark Project In Egypt Key Highlights ~ Received LOA for a 1,000 MWac capacity Solar PV project integrated with a 600 MWh Battery Energy Storage System totaling ~USD 560 million ~ Order marks the third GW scale order received by the company in the last 9 months Mumbai; June 29, 2026: Sterling and Wilson Renewable Energy Limited (SWREL) (BSE Scrip Code: 542760; NSE Symbol: SWSOLAR), a globally renowned renewable EPC company announced that the company, in a 50-50 joint venture with Hassan Allam Construction - one of the leading contractors in Egypt and the MENA region, has secured an order today, valued at approximately USD 560 million for West Minya Solar Power Project in Minya Governorate, Egypt. Once complete, this 1,000 MWac capacity Solar PV project integrated with a 600 MWh Battery Energy Storage System (BESS) will become one of Egypt’s largest utility-scale renewable energy developments. The joint venture will be responsible for the full engineering, procurement, and construction of the solar power plant, including the installation of photovoltaic generation facilities, battery energy storage infrastructure, grid interconnection works, transmission facilities, and all associated balance-of-plant and supporting systems required for project delivery. Speaking on the order win, Mr. Chandra Kishore Thakur, Global CEO, Sterling and Wilson Renewable Energy Group said, "We are proud to support Egypt’s decarbonisation journey and contribute to strengthening energy security across the wider MENA region through this landmark project. As one of the world’s leading solar EPC companies, we bring deep expertise and proven execution capabilities that will help unlock the region’s vast renewable energy potential. Our company remains committed to delivering the project within the stipulated timeline while upholding the highest standards of safety, quality, and operational excellence." “This third GW scale order received in a span of 9 months reflects the increasing size of PV projects, and continued trust and confidence that customers place in the company’s capabilities to deliver large-scale solar projects, including those involving complex technologies such as Battery Energy Storage Systems”. For Immediate Release About Sterling and Wilson Renewable Energy Limited Sterling and Wilson Renewable Energy Limited (SWREL) is a global pure-play, end-to-end renewable engineering, procurement, and construction (EPC) solutions provider. The company provides EPC services for utility-scale solar, floating solar, hybrid & energy storage and wind solutions and has a total portfolio of over 27.3 GWp (including projects commissioned and under various stages of construction). SWREL also manages an operation and maintenance (O&M) portfolio of 13.5 GWp solar power projects, including for projects constructed by third parties. Present in 28 countries today, Sterling and Wilson Renewable Energy Limited has operations in India, South-east Asia, Middle East, Africa, Europe, Australia, and the Americas. Visit us – www.sterlingandwilsonre.com LinkedIn – https://www.linkedin.com/company/sterling-and-wilson-renewable-energy/ Media Contact Sangeetha Jeevan Corporate Communications Email – sangeetha.jeevan@sterlingwilson.com Sandeep Menezes Corporate Communications Email – sandeep.menezes@sterlingwilson.com