Diffusion Engineers Limited — Regulatory Filings 2025

Aug 19, 2025

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Date: August 19, 2025

To, The Manager Listing Department National Stock Exchange of India Limited Exchange Plaza, Bandra Kurla Complex Bandra (East), Mumbai - 400 051 NSE Symbol: DIFFNKG

To, The Manager Corporate Relationship Department BSE Limited Floor 25, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai - 400 001 BSE Scrip Code - 544264

Dear Sir/Madam,

– Subject: Audio recording of the Earning Conference Call with Investor & Analyst Q1 Results FY 2025-26

Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, the audio recording of the Investor & Analyst meet held on August 19, 2025 on the Un-Audited Financial Results of the Company for the quarter ended June 30, 2025, has been made available on the Company’s Website i.e https://www.diffusionengineers.com/investors-relation

The link for the same is mentioned below:

https://www.diffusionengineers.com/images/audio/10035542.mp3

Thanking You. Yours faithfully,

For Diffusion Engineers Limited

Chanchal Digitally signed by Chanchal Rajesh Jaiswal Rajesh Date: 2025.08.19 18:24:45 Jaiswal +05'30'

Chanchal Jaiswal Company Secretary and Compliance Officer Membership no. A67136

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