Bagging/Receiving of orders/contracts

June 29, 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, Ref: Regulation 30 of SEBI Listing Regulations, 2015 Subject: Intimation for Receipt of an order of about INR 26.31 Crores (approx.) We are pleased to inform you that our Company, Diffusion Engineers Limited has received a Domestic order worth about INR 26.31 Crores approx., for supply of RAPH Rotor Assembly to be supplied in power industry. Disclosure as required under SEBI Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated November 11, 2024 is annexed as Annexure-1. This is for your information and record. Thanking You, For Diffusion Engineers Limited Chanchal Jaiswal Company Secretary and Compliance Officer ICSI Membership No.: A67136 Encl.: A/a ANNEXURE -1 Sr. No. Particulars Details a. Name of the entity awarding the Domestic Client order(s)/contract(s) b. Significant terms and conditions of Supply of RAPH Rotor order(s)/contract(s) awarded, in brief Assembly. c. Whether order(s) / contract(s) is awarded by Domestic entity domestic/ international entity d. Nature of order(s) / contract(s) Supply of RAPH Rotor Assembly. e. Whether domestic or international Domestic f. Time period, if any, associated with the The delivery schedule is order(s)/contract(s); staggered, and the detailed delivery timeline is expected to be communicated by the customer shortly. The same shall be intimated to the Stock Exchanges upon receipt, if considered material and required under applicable regulations. However, a minimum of 3 Nos. of RAPH Rotors shall be delivered on or before 31 March 2027. g. Broad commercial consideration or size of the About INR 26.31 Crores order(s)/contract(s) approx. h. Whether the promoter/ promoter group/group No companies have any interest in that entity to whom the order(s)/contract(s) is awarded? If yes, nature of interest and details thereof i. Whether the same would fall within related party No transactions? If yes, whether the same is done at “arms length”