Please find attached coverletter alongwith certificate under regulation 74(5).

Corp. Off.:- 201, “The Summit Business Bay” Behind Guru Nanak Petrol Pump, Off Andheri Kurla Road, Andheri (E), Mumbai - 400 093 (India) Ph. : +91 22 69073100 9th October 2026 BSE Limited National Stock Exchange of India Ltd. Phiroze Jeejeebhoy Towers Exchange Plaza, C-1, Block G Dalal Street Bandra Kurla Complex Mumbai-400001 Bandra (E), Mumbai-400051 Scrip Code: 533543 Symbol: BROOKS Sub: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, for the quarter ended 30th September 2026. In compliance with Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, please find enclosed a copy of the certificate received from MUFG Intime India Private Limited (Formerly known as Link Intime India Private Ltd) the Registrar and Share Transfer Agent of the Company, for the quarter ended 30th September 2026. Kindly acknowledge receipt of the same. Thanking You, Yours faithfully For BROOKS LABORATORIES LIMITED Krutika Rane Company Secretary & Compliance Officer Membership no:66310 Encl.: As Stated Regd. Off & Works : Village Kishanpura, Baddi Nalagarh Road, Baddi (H.P.) - 174101 (India) Tele Fax .: 01795 236939 (CIN NO: L24232HP2002PLC000267), E-mail : investors@brookslabs.net, Website: www.brookslabs.net MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai – 400083. Tel: +91 22 4918 6000 www.in.mpms.mufg.com 6 October 2026 The Compliance Officer/ Company Secretary Brooks Laboratories Ltd 201, The Summit Business Park, Behind Guru Nanak Petrol Pump, Mumbai – 400093 Dear Sir, Subject: Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th September 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Note: We have not received any request for Dematerialization or Rematerialization. Thanking You, Yours faithfully, For MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Ashok Shetty Sr. Vice President – Corporate Registry MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Service