Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this is to inform you that post declaration of Q1 FY27 Unaudited Financial Results, ....

Date: 05.08.2026 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 WEBSOL ENERGY SYSTEM LIMITED: ISIN-INE855C01023 Dear Sir/Madam, Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations 2015 - Intimation of Q1FY27 Earnings Call Pursuant to Regulation 30 read with Part A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we would like to inform that an Earnings Conference Call with the Analysts/Investors to discuss the financial performance of the Company on the Un- audited Financial Results for the quarter ended on June 30, 2026 (Q1FY27) is scheduled to be held on Tuesday, August 11, 2026 at 4:00 P.M (IST). The Earnings conference call (Q1FY27) details are enclosed herewith. The above schedule is subject to change due to any exigencies. We request you to kindly take the aforesaid information on record. Thanking you. Yours Truly, For Websol Energy System Limited Sanjana Khaitan Executive Director DIN : 07232095 Websol Energy System Limited Q1 FY27 Earnings Conference Call Tuesday, August 11, 2026, at 4:00 PM Websol Energy System Limited, one of the leading manufacturers of high-efficiency solar cells and solar modules in India, invites you to join its Q1 FY27 earnings conference call on Tuesday, August 11, 2026, at 4:00 PM IST. The management team will be represented by:  Mr. Sohan Lal Agarwal - Executive Director & Managing Director  Mrs. Vasanthi Shreeram - Chief Technology Officer  Ms. Sanjana Khaitan - Executive Director  Mr. Amrit Daga - Chief Financial Officer Earnings Conference Call on Tuesday, August 11, 2026, at 4:00 PM IST Diamond Pass: Click Here to Register for an Event Universal Dial In: +91 22 6280 1488 +91 22 7115 8869 Hong Kong: 800 964 448 Singapore: 800 101 2045 International Toll Free USA: 1 866 746 2133 UK: 0 808 101 1573 Please register in advance for this earnings conference call using the above diamond pass link to ensure that you are connected on time. For any queries, please contact: Amrit Daga Sandhya Dubey Chief Financial Officer Contact: +91 98201 40643 investors@websolenergy.com sandhya@tuvisconsultants.com