Trading Window Closure

28th September 2026 Corporate Relations Department, Bombay Stock Exchange Limited, Phiroze Jeejeebhoy Towers Dalal Street, Fort, Mumbai - 400 001 Scrip Code: 505242 Listing Department, National Stock Exchange of India Limited “Exchange Plaza”, Bandra-Kurla Complex, Bandra East, Mumbai 400 051. Scrip Code: DYNAMATECH Dear Sir/Madam, Sub: Intimation of closure of Trading Window under SEBI (Prohibition of Insider Trading) Regulations, 2015. In pursuance of the SEBI (Prohibition of Insider Trading) Regulations, 2015 and Insider Trading Code and Code of Practices/ Procedures for Fair Disclosure of Unpublished Price Sensitive Information adopted by Dynamatic Technologies Limited ("the Company"), we hereby announce that the trading window for purchase or sale of shares of the Company will be closed with effect from 1st October 2026 and will re-open after 48 hours from the time of publishing of results of the Company for the quarter and half year ending 30th September 2026. We request you to kindly take the above information on records. Thanking you, Yours faithfully, For Dynamatic Technologies Limited Shivaram V Chief Legal Officer and Company Secretary Membership No.: ACS 19173 Proprietary Information of Dynamatic Technologies