Intimation regarding Closure of Trading Window for the quarter ending on 30th June,2026.

Date: 22.06.2026 The Department of Corporate Services, The Secretary BSE Limited. The Calcutta Stock Exchange Limited P. J. Tower, Dalal Street, 7, Lyons Range, Mumbai- 400 001 Kolkata – 700001 Scrip Code: 517546 CSE CODE: 1108910 Security ID: ALFATRAN ISIN: INE209C01015 Sub: Closure of Trading Window Dear Sir/Madam, We wish to inform you that in terms of the Company's Code of Conduct to regulate, monitor and report the trading by the Insiders/Designated Persons, framed pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended, the Trading Window for dealing in the securities of the Company will remain closed from July 1, 2026 till the expiry of 48 hours after the un-audited Financial Results of the Company for the Quarter ending on June 30, 2026 are approved by the Board of Directors and filed with Stock Exchanges. Accordingly, all connected persons/Designated persons are advised not to trade in the securities of the Company during the aforesaid period. The date of meeting of the Board to approve the un-audited financial results of the Company for the quarter ending on June 30, 2026 will be informed in due course. The above is for your information and record. Thanking you, Yours’s Faithfully, For Alfa Transformers Limited (Choudhury Sanjay Kumar Das) Compliance Officer & Company Secretary M.No-A29331 Plant at Bhubaneswar: Plot No. 3337, Mancheswar Industrial Estate, Bhubaneswar- 751010. Plant at Vadodara : Plot No. 1046, 1047 & 1048, G.I.D.C Estate, Waghodia, Vadodara- 391760.