Updates

Date: 28th September, 2026 To, To, The Manager The Manager Listing Department Corporate Relationship Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, Bandra Kurla Complex Floor 25, Phiroze Jeejeebhoy Towers, Bandra (East), Dalal Street, Mumbai - 400 051 Mumbai - 400 001 NSE Symbol: DIFFNKG BSE Scrip Code - 544264 SUB: Regulation 30(6) of SEBI (LODR) Regulations, 2015 – Post- Intimation of Analyst/Institutional Investor Meeting Dear Sir/Ma’am, Please note that the management of the Company participated in Bharat Connect Conference hosted by Arihant Capital Markets, as detailed below: Date Name Time Mode Type 28th Arihant Bharat Connect Virtual September, 10:00 AM Virtual Group Conference – Rising Stars 2026 2026 The Discussion with the investor(s)/Analysts were based on generally available information and not related to any Unpublished Price Sensitive Information as per Diffusion Engineers Limited-Code of Practices and Procedures for Fair Disclosure of Unpublished Price Sensitive Information. This is for your information and record. Thanking you, For Diffusion Engineers Limited Chanchal Jaiswal Company Secretary and Compliance Officer ICSI Membership no. A67136 For more details please visit: https://diffusionengineers.com/