Intimation of Schedule of Analyst/Institutional Investor Meeting to be held on 28-09-2026

Date: September 23, 2026 To, To, The Manager The Manager Listing Department Corporate Relationship Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, Plot No. C/1, G Block Floor 25, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex Dalal Street, Bandra (East), Mumbai - 400 001 Mumbai - 400 051 BSE Scrip Code - 544264 NSE Symbol: DIFFNKG Dear Sir/Madam, Sub: Intimation of Schedule of Analyst/Institutional Investor Meeting Dear Sir/Ma’am, Please note that the management of the Company will participate 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 Note: The schedule of the aforesaid conference is subject to change. The changes may happen due to exigencies on the part of Fund / Broking House / Company. No unpublished price sensitive information (UPSI) will be discussed. 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: www.diffusionengineers.com