This is to inform you that the Trading Window to deal with Securities of the Company will remain closed for all designated persons and their immediate relatives from 01 October 2026 till 48 hours after the declaration of un-audited financial results for the quarter and half year ended 30 September 2026.

Date: 28.09.2026 To, To, The Manager Listing, The Manager Listing, National Stock Exchange of India Limited BSE Limited Exchange Plaza, Floor 25, Bandra Kurla Complex, PJ Towers, Dalal Street, Bandra (E) Mumbai: 400051 Mumbai: 400 001 Scrip Code- WEBELSOLAR Scrip Code- 517498 Dear Sir/Madam, Sub: Intimation for closure of Trading Window This is to inform you that in terms of Company’s “Code of Conduct to Regulate, Monitor and Report trading by Designated Persons” read with SEBI (Prohibition of Insider Trading) Regulations, 2015, the trading window for dealing in securities of the Company is closed for all designated persons and their immediate relatives on and from October 01, 2026, and would re-open after expiry of 48 hours from declaration of Unaudited Financial Results for the quarter ending on September 30, 2026. The above information will also be available on the website of the Company at www.websolenergy.com This is for your information and record. Thanking You, Yours faithfully, For Websol Energy System Limited Ashok Purohit Company Secretary & Compliance Officer Membership No. : F7490