Please find attached.

Austere Systems Limited (Formerly known as Austere Systems Private Limited) Date: 5th October 2026 BSE Limited, 20th Floor, P. J. Towers, Dalal Street, Mumbai – 400 001 ISIN: INE104201012 Sub.: Compliance certificate under Regulation 74(5) of the SEBI (Depositories and Participants), Regulations 2018 for the quarter ended 30th September 2026. Dear Sir/ Madam, Kindly find enclosed the above subject certificate as provided by the RTA, M/s KFIN TECHNOLOGIES LIMITED dated 01/10/2026. The Certificate has been issued in compliance with Regulation 74(5) of the SEBI (Depositories and Participants), Regulations 2018. This is for your information and records. Thanking you, Yours faithfully, For Austere Systems Limited (Formerly known as ‘Austere Systems Private Limited’) Sneha Goenka Company Secretary & Compliance Officer M No. A48476 Registered Office Address: Unit No 301-303, 3rd Floor, Plot No 34, A Square, Sector- 26, Pradhikaran, Nigdi, Pune, Maharashtra-411044 Corporate Office Address: Unit No:112-114,1st Floor, Vipul Plaza, Golf Course Road, Suncity Sector-54, Gurugram, Haryana-122002 Panchkula Office Address: Third Floor, SCO 3, Swastik Vihar, Sector-5, MDC, Panchkula-134109, Haryana GST NO. 27AANCA5362K2Z8, CIN: L74900PN2015PLC155381 Email Id: Hr@austere.co.in, Accounts@austere.co.in Contact no: Pune- 020-27656299, Gurgaon- 0124-4152526 www.austeresystems.com KFIN/ASTS/CDSL/74(5) E/1 Date: 01‐10‐2026 CENTRAL DEPOSITORY SERVICES (INDIA) LIMITED REGD OFF: MARATHON FUTUREX, A WING 25TH FLOOR NM JOSHI MARG LOWER PAREL (EAST) MUMBAI ‐ 400 023 Dear Sir(s), Sub: Certificate under Regulation 74(5) for the quarter ended September 30,2026 We as Registrar to an Issue and Share Transfer Agent of the AUSTERE SYSTEMS LIMITED, certify that the details of securities dematerialized/rematerialized during the aforesaid period, as required under Regulation 74(5) of SEBI (Depositories and participants) Regulations 2018 have been furnished to all the Stock Exchanges where the shares of the company are listed. Thanking You Yours faithfully, for KFIN TECHNOLOGIES LIMITED ANANDAN K ASSISTANT VICE PRESIDENT CC TO: AUSTERE SYSTEMS LIMITED OFFICE 301‐303, A SQUARE , PLOT NO. 34 ADC SECTOR 26, PRADHIKARAN PUNE, MAHARASHTRA PUNE, MAHARASHTRA 411044 KFIN/ASTS/NSDL/74(5) E/1 Date: 01‐10‐2026 NATIONAL SECURITIES DEPOSITORY LIMITED TRADE WORLD 4TH FLOOR KAMALA MILLS COMPOUND SENAPATI BAPAT MARG LOWER PAREL MUMBAI ‐ 400 013 Dear Sir(s), Sub: Certificate under Regulation 74(5) for the quarter ended September 30,2026 We as Registrar to an Issue and Share Transfer Agent of the AUSTERE SYSTEMS LIMITED, certify that the details of securities dematerialized/rematerialized during the aforesaid period, as required under Regulation 74(5) of SEBI (Depositories and participants) Regulations 2018 have been furnished to all the Stock Exchanges where the shares of the company are listed. Thanking You Yours faithfully, for KFIN TECHNOLOGIES LIMITED ANANDAN K ASSISTANT VICE PRESIDENT CC TO: AUSTERE SYSTEMS LIMITED OFFICE 301‐303, A SQUARE , PLOT NO. 34 ADC SECTOR 26, PRADHIKARAN PUNE, MAHARASHTRA PUNE, MAHARASHTRA 411044