Please find enclosed the audio Recording of Earnings Call for the Quarter ended June 30, 2026

Prostarm/Secretarial/2026-27/50 August 13, 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: Audio Recording of Earnings Call for the Quarter Ended June 30, 2026 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, This is further to our letter dated August 07, 2026 intimating about an Earnings Conference Call to be hosted by the Company on Thursday, August 13, 2026 at 04:00 PM (IST) post announcement of Unaudited (Standalone & Consolidated) Financial Results for the Quarter ended June 30, 2026. Pursuant to the SEBI Listing Regulations, the Audio Recording of the Earnings Conference Call is available on Company’s website at www.prostarm.com. Link for the Audio Recording of the Earnings Conference Call: https://prostarm.com/wp-content/uploads/2019/09/10046476.mp3 Kindly take the above information on record. Thanking you, For Prostarm Info Systems Limited Sachin Gupta Company Secretary and Compliance Officer Membership No: F12500