Updates

Date: 08th 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 Avendus Spark Conference Dear Sir/ Madam, Pursuant to Regulation 30(6) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“the Listing Regulations”) read with Part A of Schedule III of the Listing Regulations, we wish to inform you that, Management of the Company had participated in the conference (Group meet/ One to one meet) organized by Avendus Spark on Tuesday, 8th September 2026. The details of conference are given below: Name Date Place of Interaction Exclusive Small-Cap Investor Tuesday, September 8th, 2026, 3rd Floor, Platina, BKC, Conference – Avendus Spark from 9.00 am Mumbai The Discussion with the investor(s)/Analysts were based on generally available information and not related to any Unpublished Price Sensitive Information as per Diffusion Engineers Limited-Code of Practices and Procedures for Fair Disclosure of Unpublished Price Sensitive Information. Thanking you, For Diffusion Engineers Limited Chanchal Jaiswal Company Secretary and Compliance Officer Membership no. A67136 For more details please visit: https://diffusionengineers.com/