Diffusion Engineers Limited — Regulatory Filings 2025

Mar 22, 2025

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Date: March 22, 2025

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,

‐ Subject : Intimation of Closure of Trading Window under the SEBI (Prohibition of Insider Trading) Regulations, 2015

In terms of provisions of Securities Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time and in terms of Company’s Code of Conduct for Prohibition of Insider Trading, the Trading Window for dealing in the Equity Shares of the Company shall remain close for all Designated Persons and their immediate relatives, from April 01, 2025 till 48 hours after the declaration of the Audited Financial Results of the Company for the quarter and year ended March 31, 2025.

The date of Board Meeting to be held for considering and approving the Audited Financial Results (Standalone and Consolidated) of the Company for the quarter and year ended March 31, 2025 shall be intimated in due course

Kindly take the above information on record.

Thanking You, For Diffusion Engineers Limited

Digitally signed by CHANCHAL CHANCHAL RAJESH JAISWAL RAJESH JAISWAL Date: 2025.03.22 10:28:26 +05'30'

Chanchal Jaiswal Company Secretary and Compliance Officer ICSI Membership No.: A67136

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