Announcement under Regulation 30 (LODR)- Update on Litigation

September 23, 2026 To, To, BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot no. C/1, G Block, Dalal Street, Bandra-Kurla Complex, Mumbai- 400001 Bandra (E), Mumbai – 400051 Scrip Code: 544532 Symbol: SOLARWORLD Subject: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 regarding update on pending litigation of the ZNShine Solarworld Private Limited (“the Subsidiary”) and Appellate Order in its favour. Dear Sir/Madam, This is in furtherance to our earlier intimation dated September 21, 2026, wherein details of the pending litigation/dispute were intimated to the Stock Exchanges. In accordance with Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) read with the SEBI Master Circular dated January 30, 2026, we hereby intimate an update in respect of the litigation/dispute between ZNShine Solarworld Private Limited (“the Subsidiary”), a wholly-owned subsidiary of Solarworld Energy Solutions Limited (“the Company”), and the Joint Commissioner (Appeal), State Tax, Uttarakhand, Dehradun. Further particulars are set out in the Annexure enclosed herewith, in the format prescribed under the SEBI Master Circular dated January 30, 2026, bearing reference no. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026. The above information will be made available on the Company’s website at https://worldsolar.in/ Date and time of occurrence of event: September 23, 2026 at 4:00 p.m. (IST). Kindly take the above information on record. Thanking you, Yours faithfully, For Solarworld Energy Solutions Limited (Formerly known as Solarworld Energy Solutions Private Limited) Varsha Bharti Company Secretary & Compliance Officer Membership No.: A37545 Annexure Disclosure under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 Sr. No. Particulars Details 1. The details of any change in the status The appeal filed by ZNShine Solarworld Private Limited (“the and/or any development in relation to such Subsidiary”) on September 21, 2026 before the Joint proceedings Commissioner (Appeal), State Tax, Uttarakhand, Dehradun, being First Appeal No. 2457/2026 (F.Y. 2026-27), against Order No. ZD0509260176084 dated September 20, 2026 passed by the Assistant Commissioner, State Tax, Mobile Squad, Roorkee under Section 129(3) of the CGST/UKGST Act, 2017, has been allowed in favour of the Subsidiary vide appellate order dated September 23, 2026. The key findings and directions of the appellate order are as under: (a) The impugned order dated September 20, 2026 has been set aside; (b) The penalty of ₹1,22,12,498/- (being 200% of IGST of ₹61,06,249/-) imposed under Section 129 in respect of the imported consignment covered by Bill of Entry No. 3595328 dated September 05, 2026 and E-Way Bill No. 372332296102 dated September 12, 2026 has been annulled; (c) The goods have been held to be genuine imported goods duly covered by the Customs documents and Bill of Entry, and the failure to select the multi-vehicle option on the E-Way Bill portal while transporting the two containers through separate vehicles has been held to be a procedural/documentary lapse which does not establish tax evasion; (d) Any amount deposited by the Subsidiary pursuant to the impugned order (including ₹12,21,250/- deposited on September 21, 2026) shall be refunded/adjusted in accordance with law after verification; and (e) The vehicle and goods, if still under detention, shall be released forthwith, and the Proper Officer shall give consequential effect to the appellate order in the relevant records/portal. The appellate order remains subject to any further appeal that the Department may prefer under the applicable provisions of law. 2. In case of litigation against key Not applicable, as the proceedings were against the Subsidiary and management personnel or its promoter or not against any key managerial personnel, promoter or ultimate ultimate person in control, regularly person in control of the Company. provide details of any change in the status and/or any development in relation to such proceedings; 3. In the event of settlement of the Not applicable, as the proceedings have not been settled. The proceedings, details of such settlement matter has been decided on merits by the Appellate Authority in including – terms of settlement, favour of the Subsidiary. Consequent to the appellate order, the compensation/penalty paid (if any) and penalty of ₹1,22,12,498/- stands annulled and there is no adverse impact of such settlement on the financial impact on the financial position of the Company. position of the listed entity.