Pursuant to Regulation 30 read with Para B of Part A of Schedule III of the SEBI Listing Regulations, the details of initiation of material litigation(s) or dispute(s) are enclosed as 'Annexure A' in accordance with SEBI Master Circular No. O/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026.

October 19, 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.: Disclosure under Regulation 30 read with Para B of Part A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) Dear Sir/ Ma’am, Pursuant to Regulation 30 read with Para B of Part A of Schedule III of the SEBI Listing Regulations, the details of initiation of material litigation(s) or dispute(s) are enclosed as ‘Annexure A’ in accordance with SEBI Master Circular No. HO/49/14/14(7)2025-CFD- POD2/I/3762/2026 dated January 30, 2026. Kindly take the same on record. Yours faithfully, For Sterling and Wilson Renewable Energy Limited Jagannadha Rao Ch. V. Company Secretary and Compliance 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 Annexure A Sr. Particulars Details 1 Name of the Claimant Sterling and Wilson Engineering (Pty) Ltd (“SWEPL”), step-down subsidiary of the Company 2 Name(s) of the Opposing party Credit Guarantee Insurance Corporation of Africa Limited (“Respondent 1”) Old Mutual Alternative Risk Transfer Insure Limited (“Respondent 2”) Lead Engineering and Projects (Pty) Ltd (in Liquidation) (“Respondent 3”) 3 Court / Tribunal/ Agency where litigation is High Court of South Africa, Gauteng filed Local Division, Johannesburg 4 Brief details of dispute/ litigation SWEPL appointed Respondent 3 as a sub-contractor in connection with Doornhoek and Zondereinde Project in South Africa. Respondent 3 went into liquidation, consequently SWEPL invoked the insurance bonds (advance, performance and retention bonds) aggregating to approx. INR 25.50 Crore issued by Respondent 1 & 2 on behalf of Respondent 3. Respondent 1 & 2 failed to make the payment pursuant to the said invocation. SWEPL filed a Notice of Motion before the High Court of South Africa, Gauteng Local Division, Johannesburg. 5 Expected financial implications, if any, due Nil to compensation, penalty etc. 6 Quantum of claims, if any Approx. INR 25.50 Crore (Rupees Twenty Five Crore Fifty Lacs) 7 Reason for delay in filing the disclosure Notice of Motion was filed before the Court on August 25, 2026. After the Notice of Motion was taken into cognizance by the Court, the Company was notified on Friday evening, October 16, 2026. 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