Diffusion Engineers Limited — Regulatory Filings 2026

Feb 18, 2026

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Date: 18[th] February 2026

To, To, The Manager The Deputy General Manager, Listing Department Corporate Relationship Dept., National Stock Exchange of India Ltd. Bombay Stock Exchange, Exchange Plaza, 1[st ] Floor, New Trading Ring, Bandra Kurla Complex Dalal Street, Bandra East Mumbai – 400001 Mumbai – 400051 Scrip Code –544264 NSE Symbol - DIFFNKG

SUB: Regulation 30(6) of SEBI (LODR) Regulations, 2015 – Post- Intimation of Participation in Dolat Capital Corporate Conference on Wednesday, 18[th] February, 2026

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 that the management of the Company participated in the Dolat Capital Corporate Conference on 18[th] February, 2026 at Grand Hyatt, Santacruz East organized by Dolat Capital.

The Discussion with the investor(s)/Analysts were based on generally available information and not related to any Unpublished Price Sensitive Information as per Diffusion Engineers Limited-Code of Practices and Procedures for Fair Disclosure of Unpublished Price Sensitive Information.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 Digitally signed by Chanchal Rajesh Rajesh Jaiswal Jaiswal Date: 2026.02.18 17:26:04 +05'30' Chanchal Jaiswal Company Secretary and Compliance Officer Membership no. A67136

For more details please visit: www.diffusionengineers.com

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