Trading Window

Date: 28th September, 2026 Ref: TARIL/SECT/2026-27/NSE-BSE/COMPL/054 To, To, BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra - Kurla Complex, Mumbai - 400 001 Bandra (E), Mumbai - 400 051 Security Code : 532928 Trading Symbol : TARIL Dear Sir/Madam, Sub: Intimation of Closure of Trading Window We would like to inform you that pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015, the trading window for dealing in the securities of the Company remains closed from 1st October, 2026 till 48 hours after declaration of the Unaudited Standalone and Consolidated Financial Results of the Company for the quarter and half year ending on 30th September, 2026. The date of Board Meeting for consideration of Unaudited Standalone and Consolidated Financial Results of the Company for the quarter and half year ending on 30th September, 2026 shall be intimated in due course. Accordingly, all the designated persons and their immediate relatives and other Insiders under the PIT Regulations are directed not to trade in the securities of the Company during the aforesaid trading window closure period. Please take the same on your record. Thanking you, Yours faithfully, For Transformers and Rectifiers (India) Limited Rakesh Kiri Company Secretary