Intimation regarding Schedule of Earnings Conference Call on Thursday, 12th Nov 2026 from 4:00pm

Prostarm/Secretarial/2026-27/74 November 04, 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 Script Code: 544410 Symbol: PROSTARM Sub: Earnings Conference Call with Analysts/ Investors scheduled on Thursday, November 12, 2026 at 04:00 PM (IST) Ref: Regulation 30 and 46(2) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements Regulations), 2015 (the “SEBI Listing Regulations”) Dear Sir/Madam, We hereby inform you that pursuant to regulations 30 & 46(2) of the SEBI Listing Regulations, please note that the Company, as part of its investor engagement activities, is planning to have a conference call with the Analysts/ Investors on Thursday, November 12, 2026 at 04:00 PM (IST) to discuss its financial performance for the Quarter and Half year ended September 30, 2026. Please find enclosed herewith the earnings call invite for the same. The above communication is also available on the website of the Company at www.prostarm.com. Kindly take the above information on record. Thanking you, For Prostarm Info Systems Limited Sachin Gupta Company Secretary and Compliance officer Membership No: F12500 ARIHANT CAPITAL MARKETS LTD Invites you to the Prostarm Info Systems Limited Q2FY27 Earnings Call To be held on Thursday, 12th Nov 2026 from 4:00pm – 5:00pm. The management will be represented by: Mr. Ram Agarwal Chief Executive Officer and Whole Time Director Mr. Abhishek Jain Chief Financial Officer +91 22 6280 1466 Universal Dial-In +91 22 7115 8826 International Toll Free Hong Kong 800964448 Singapore 8001012045 UK 08081011573 USA 18667462133 Please dial-in at least 5-10 minutes prior to the conference schedule to ensure that you are connected to the call in time. Express Join with DiamondPass No Wait Time Copy this URL in your browser: Link Abhishek Jain Rohan Baranwal Director- Institutional Research Research Analyst Arihant Capital Markets Ltd. Arihant Capital Markets Ltd. Tel: +91 22 4225 4871 Tel: +91 22 6711 4837 Mobile: +91 85913 10591 Mobile: +91 9819224665 Email: abhishek.jain@arihantcapital.com Email: rohan.baranwal@arihantcapital.com