Please find attached the press release titled Sterling and Wilson Renewable Energy secures prestigious domestic and international orders totaling over approx. INR 985 crore

September 22, 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 – Sterling and Wilson Renewable Energy secures prestigious domestic and international orders totaling over ~INR 985 crore Dear Sir/ Madam, Please find enclosed a copy of the press release with respect to the captioned subject. The orders mentioned in the press release are 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 Sterling and Wilson Renewable Energy secures prestigious domestic and international orders totaling over ~INR 985 crore Key Highlights ~ Secures one domestic order of 534.3 MWp in Rajasthan from a new customer ~ Further secures one international order in South Africa comprising of two BESS projects each of 308 MWh, totaling to 616 MWh energy storage capacity Mumbai; September 22, 2026: Sterling and Wilson Renewable Energy Limited (SWREL) (BSE Scrip Code: 542760; NSE Symbol: SWSOLAR), a leading renewable EPC is proud to announce that the company has secured one order in Rajasthan totaling to 534.3 MWp from a leading IPP in India. The company has also secured one order for two BESS projects totaling 616 MWh energy storage capacity in South Africa from a leading Middle East based renewable energy projects developer. The total value of both the orders, including taxes, amounts to more than ~INR 985 crore. The Rajasthan order is from a new customer, which reaffirms the industry’s unwavering trust in SWREL’s unmatched project execution capabilities. The South African order is from a repeat customer which has experienced SWREL’s expertise and dedication thereby giving them the confidence to award this marquee project’s execution to the company. The Rajasthan project involves Balance of System (BOS) package and South Africa order is for a BESS turnkey EPC wrap project. The South African order is the second largest utility scale BESS project to be undertaken by SWREL. The Rajasthan project’s capacity is estimated to reduce CO₂ emissions by approximately 0.80 million upon commissioning, thereby contributing to a more sustainable future. Speaking on the order wins, Mr. Chandra Kishore Thakur, Global CEO, Sterling and Wilson Renewable Energy said, “We are delighted to have received two prestigious orders each in Rajasthan and South Africa. Together, these orders reinforce the momentum in our business and the confidence customers place in our capabilities. They also demonstrate the strength of our customer relationships, built on consistent project execution, domain expertise and the skilled manpower we have developed over the years.” These new order wins further reinforce the Company’s position as one of the foremost players in the global renewable energy sector, while strengthening its role in spearheading the transition towards a more sustainable future. 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 For Immediate Release portfolio of over 28.7 GWp (including projects commissioned and under various stages of construction). SWREL also manages an operation and maintenance (O&M) portfolio of 18.3 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