Purchase Order from Rayzon Energy Private Limited for SITC of agreegate 2900 kVA UPS

Prostarm/Secretarial/2026-27/63 September 22, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Dalal Street, Mumbai – 400 001 Bandra Kurla Complex, Bandra (E), Mumbai – 400 051 Scrip Code: 544410 Scrip Symbol: PROSTARM Sub: Intimation regarding Purchase Order from Rayzon Energy Private Limited for SITC of Aggregate 2900 kVA UPS Ref: Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements Regulations), 2015 (the “SEBI Listing Regulations”) Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI Listing Regulations, we wish to inform you that the Company has received a Purchase Order (PO) on September 22, 2026 for supply and installation of 2400 kVA and 500 kVA UPS Systems from ‘Rayzon Energy Private Limited’. The aforesaid Work Order has been received in the ordinary course of business of the Company. Details required pursuant to Regulation 30 of SEBI Listing Regulations, read with SEBI Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 is enclosed as Annexure A. Kindly take the above information on record. Thanking you, For Prostarm Info Systems Limited Sachin Gupta Company Secretary and Compliance Officer Membership No: F12500 Enclosure - ANNEXURE A ANNEXURE A Sr. No. Particulars Details a) Name of the entity awarding the order(s)/ Rayzon Energy Private Limited contract(s) b) Significant terms and conditions of Scope of Supply: SITC of 2400 kVA and 500 kVA UPS order(s)/contract(s) awarded, in brief systems, including batteries, battery racks, panels and all required accessories. Warranty: UPS: 5 years & Batteries: 3 years c) Whether order(s) / contract(s) have been Domestic Entity awarded by domestic/ international entity d) Nature of order(s)/contract(s) Supply and Installations e) Whether domestic or international Domestic f) Time period if any, associated with the Delivery: Within 5–6 weeks from the date of PO. order(s)/contract(s) g) Broad commercial consideration or size of Rs. 3.67 Crores the order(s)/contract(s) (Rupees Three Crore Sixty Seven Lakhs Only). h) Whether the promoter/ promoter group / No group companies have any interest in the entity that awarded the order(s)/contract(s)? If yes, nature of interest and details thereof; i) Whether the order(s)/contract(s) would fall No within related party transactions? If yes, whether the same No is done at “arm’s length