Please find attached addendum to the notice of 24th Annual General Meeting.

21st August 2026 BSE Limited National Stock Exchange of India Ltd. Listing Department Listing Department 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 Dear Sir / Madam, Sub: Addendum to the notice of 24th Annual General Meeting scheduled to be held on 3rd September 2026 (AGM) at 09.00 A.M through video conferencing / other audio-visual means (OAVM) and the Annual report for the year ended 2025-26. This is in continuation to the Annual General Meeting Notice dated 31st July 2026 and the Annual report for the year ended 2025-26, which has already been emailed to all the shareholders of the Company on 12th August 2026. An addendum is being issued today to inform to all the Shareholders to whom the Annual General Meeting Notice has been sent regarding changes in the 4th resolution of the Notice of Annual General Meeting and its respective explanatory statement. A copy of the detailed addendum along with the updated notice and Annual report is enclosed herewith. Except as detailed in the attached addendum, all other items of the Annual General Meeting Notice and the annual report shall remain unchanged. This addendum and the updated annual report will also be available on the Website of the Company www.brookslabs.net Please note that on and from the date hereof, the Annual General Meeting Notice dated 31st July 2026 and Annual report for the year ended 2025-26 shall always be read collectively with this addendum which will be considered for all the future references. Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we kindly request you to take into record the above submissions and the attached Addendum. Thanking you, Yours faithfully, For Brooks Laboratories Limited Krutika Rane Company Secretary & Compliance Officer Addendum to the NOTICE of the 24th AGM of the Members of Brooks Laboratories Limited to be held on Thursday, 3rd September 2026 at 9.00 A.M. (IST) through Video Conferencing (“VC”) / Other Audio-Visual Means (“OAVM”). We draw attention of all the Shareholders of Brooks Laboratories Limited (“the Company”) to the Notice dated 31st July 2026 for convening the 24th Annual General Meeting of the Company (“AGM” / “the Notice”) scheduled to be held on Thursday, 3rd September 2026 at 9.00 A.M. through Video Conferencing (“VC”) / Other Audio-Visual Means (“OAVM”) and the annual report for the financial year ended 2025-26. The Notice and the annual report has already been dispatched/ emailed to all the Shareholders of the Company on Wednesday, 12th August 2026 in due compliance with the provisions of the Companies Act, 2013 read with relevant rules thereunder. Subsequent to the issuance of the Notice of the 24th AGM and the Integrated Annual Report, the Company, as part of an ongoing review of its related party transaction arrangements, has considered it appropriate to align Resolution No. 4 with certain corporate guarantee arrangement(s). Accordingly, the Company proposes to place the relevant transaction(s) before the Shareholders for approval and ratification, as applicable, and has issued this Addendum to amend Resolution No. 4 and its Explanatory Statement. This Addendum shall form an integral part of, and be read in conjunction with, the Notice of the 24th AGM dated 31st July 2026. Below are the modifications: • Change in Resolution No. 4 and addition of further information in the Explanatory Statement pertaining to Resolution No. 4. Please find enclosed the revised AGM notice. All other contents of the 24th AGM Notice and the annual report except as amended / clarified by this Addendum, shall remain unchanged. Thanking you, Yours faithfully, For Brooks Laboratories Limited Krutika Rane Company Secretary & Compliance Officer NOTICE ORDINARY BUSINESS SPECIAL BUSINESS RESOLVED THAT “ RESOLVED THAT R ESOLVED FURTHER THAT R ESOLVED FURTHER THAT 4 Annual Report 2025-26 R ESOLVED FURTHER THAT RESOLVED THAT R ESOLVED FURTHER THAT RESOLVED THAT RESOLVED FURTHER THAT Annual Report 2025-26 5 6 Annual Report 2025-26 Annual Report 2025-26 7 Step 1 Step 2 Step 1 Annual Report 2025-26 CDSL NSDL Annual Report 2025-26 Helpdesk details CDSL NSDL Step 2 Annual Report 2025-26 Annual Report 2025-26 11 DEPOSITORIES. 12 Annual Report 2025-26 Annual Report 2025-26 13 Corporate Guarantee 14 Annual Report 2025-26 sd/- Annual Report 2025-26 15 16 Annual Report 2025-26