General Updates

Prostarm/Secretarial/2026-27/39 July 17, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Bandra Kurla Complex, Dalal Street, Mumbai – 400 001 Bandra (E), Mumbai – 400 051 Scrip Code: 544410 Scrip Symbol: PROSTARM Sub: Intimation of Cancellation of L1 of West Bengal Medical Services Corporation (WBMSC), Kolkata. 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, With reference to earlier intimations bearing reference nos. Prostarm/Secretarial/2025-26/86 dated February 12, 2026 and Prostarm/Secretarial/2025-26/99 dated March 17, 2026, wherein the Company had informed about being declared as the L-1 bidder for two (2) Tenders by West Bengal Medical Services Corporation (WBMSC) Kolkata, for Supply, Installation, Testing & commissioning of 10 KVA UPS and 6 KVA Single phase input & Single phase out put online UPS respectively, have now been cancelled by WBMSC, Kolkata. 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 Encl: as above ANNEXURE –A Sr. Particulars Details 1. Name of parties to the order(s)/contract(s) West Bengal Medical Services Corporation (WBMSC) Kolkata 2. Nature of the order(s)/contract(s) The Company was declared as the L-1 bidder by West Bengal Medical Services Corporation (WBMSC), Kolkata for the Supply, Installation, Testing & Commissioning of 10 KVA UPS and 6 KVA Single Phase Input & Single Phase Output Online UPS. 3. Date of execution of the Not Applicable. The Company was declared L-1 order(s)/contract(s) bidder; however, no order/contract was executed. 4. Details of amendment or reasons for Cancelled by WBMSC, Kolkata terminations and impact thereof (to the extent possible)