Intimation of Closure of Trading Window under the SEBI (Prohibition of Insider Trading) Regulations, 2015, for the hlaf year ended on Septmber 30, 2026.

Date: September 25, 2026 General Manager Listing Compliance Department BSE Limited Phiroze Jeejeebhoy Towers Dalal Street, Mumbai – 400 001 Ref.: Waa Solar Limited (Security Id: WAA, Scrip Code: 541445). Dear Sir/Ma’am, Sub: Intimation of Trading Window Closure for the half year ended on September 30, 2026 We hereby inform you that Pursuant to the Securities and Exchange Board of India (Prohibition of Insider Trading) (Amendment) Regulations, 2018 read with the SEBI (Prohibition of Insider Trading) Regulations, 2015 as amended from time to time and as per Company’s Code of Conduct for Regulating, Monitoring, reporting of trading by Insiders, trading window for dealing in securities of the Company by the Designated Persons and their relatives shall remain closed with effect from Thursday, October 01, 2026. All the Directors/Officers/Designated Employees of the Company have been intimated not to enter into any transaction involving the securities of the Company during the aforesaid period of closure of trading window. The Trading window shall remain closed till 48 hours after the announcement/ declaration of the Unaudited Financial Results of the Company for the half year ended on September 30, 2026, by the Board of Directors to the Public. The above closure has been intimated based on the BSE Circular no. LIST /COMP/01/2019·20 dated April 2, 2019 - Clarification regarding trading restriction period and the Securities and Exchange Board of India (Prohibition of Insider Trading) (Second Amendment) Regulations, 2019. You are therefore requested to take the above information on records. For and on behalf of, Waa Solar Limited Mansi Heda Company Secretary & Compliance Officer M. No.: A75626 Waa Solar Limited Madhav House, Subhanpura, Vadodara 390023, Gujarat, India Email: investors@waasolar.in • Web: www.waasolar.in • TeleFax: 0265-2290722 CIN: L40106GJ2009PLC076764