Intimation of Closure of Trading Window

T D Power Systems Limited September 24, 2026 (CIN -L31103KA1999PLC025071) REGISTERED OFFICE & FACTORY: 27, 28 and 29, KIADB Industrial Area Dabaspet, Nelamangala Taluk The Corporate Service The Listing Department B e n g a l u r u R u r a l D is t r i c t Bengaluru – 562 111 India Department T h e N a t i o n a l S t o c k E x c h a n g e of India Ltd. Tel +91 80 229 95700 / 6633 7700 BSE Limited Exchange Plaza, Bandra- Kurla Complex Fax +91 80 7734439 / 2299 5718 P J Towers, Dalal Street Bandra (East) Mail tdps@tdps.co.in Mumbai – 400 001 Mumbai 400 051 www.tdps.co.in Scrip Code: 533553 S y m b o l : T D P O W E R S Y S Sirs, SUB: INTIMATION OF CLOSURE OF TRADING WINDOW Pursuant to provisions of SEBI (Prohibition of Insider Trading) Regulation s 2015 and code of conduct of the Company, trading window for dealing in the Company’s share will be closed for all designated persons, their immediate relatives and other Insiders of the Company as covered under the Company’s Code of Conduct from October 01, 2026 until 48 hours after disclosure of unaudited Financial Results of the Company for the quarter and half year ending September 30, 2026. The date of the Board Meeting for consideration of unaudited Financial Results for the period ending September 30, 2026, will be informed to you in due course. Kindly take the above on record. Yours faithfully, For TD Power Systems Limited Bharat Rajwani Company Secretary & Compliance Officer