Closure of Trading Window

September 28, 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: Intimation for Closure of Trading Window Dear Sir/ Madam, Pursuant to the provisions of Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 read with Company’s Code of Conduct for regulating, monitoring and reporting of insider trading, we wish to inform that the Trading Window for dealing in the securities of the Company will be closed for all the designated persons and their immediate relatives from Thursday, October 1, 2026 till 48 hours after the declaration of Unaudited Financial Results (Standalone and Consolidated) of the Company for the quarter ended September 30, 2026. Accordingly, all Designated Persons and their immediate relatives are advised not to trade in the securities of the Company during the aforesaid period. Further, the date of meeting of the Board of Directors of the Company to consider and approve the Unaudited Financial Results (Standalone and Consolidated) of the Company for the said period shall be intimated separately in due course. You are requested to kindly take the above information on your record. Thanking you. Yours faithfully, For Solarworld Energy Solutions Limited Varsha Bharti Company Secretary and Compliance Officer Membership No.: A37545