Dear Sir, AS requied under Regulation 42 of SEBI(LODR) , Regulations, 2015 we are submitting herewith the Intimation towards closure of Book from 15-09-2026 to 22-09-2026 for the purpose ....

Colinz Corporate Relations Department 20 Aug, 2026 BSE Ltd. P.]. Towers, Dalal Street Fort, Mumbai - 400 023. Dear Sir/Madam, Sub: Notice of Book Closure under Regulation 42 of SEBI (Listing Obligations and Disclosure Requirements), 2015 & E-voting Schedule. BSE Code: 531210 This is to inform you that the 40% AGM of the Members of the Company is scheduled to be held on Tuesday the 22 September, 2026, at 2.30 P. M.(IST) through Video Conferencing ('VC')/ Other Audio Visual Means ("'OAVM"), as per the directive(s) of Ministry of Corporate Affairs and Securities and Exchange Board ofI ndia. As per section 108 of Companies Act,2013, read with Rule 20 of the Companies (Management and Administration) Rule, 2014 and all applicable provisions of the SEBI (LODR) Regulations, 2015, the Company is pleased to provide to its members the facility to cast their Vote(s) through remote e-voting starting from 19t September, 2026 (9.00 a. m.) to 21st September, 2026 (5.00 p. m.), the cut-off date for remote e-voting is 15t September, 2026. E voting facility will also be available during AGM, to those members who did not exercise e voting during the above period. Pursuant to Regulation 42 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and Section 91 of the Companies Act, 2013, kindly take note of the Book Closure dates and calendar of events related to the 40t AGM of the Company. Sr. Particulars Date of Event 1 Date of dispatch of Notice 19t August, 2026 2 Cut-off date for determining the list of 15t September, 2026 shareholders who may cast their vote electronically. 3 Book Closure period for the purpose of 40" 15t September, 2026 to Annual General Meeting. 22n September, 2026 (both days inclusive). 4 | E- voting period 19th September, 2026 at 9.00 am IST 21st September, 2026 at 5.00 pm. IST Kindly take the same on your record. Thanking you, Yours faithfully, FOR COLINZ LABORATORIES L DigtaysignadAtYyA MANL STaTcSk eaaneac Tm esl postaCode-a0onn sMaharsha e Rusm bea ik Tidsctc caaasssrooemetas eo 912 - VUAVAMAN VIJAJA MANI DIN: 11363910 < Director Colinz Laboratories Limited CIN NO- L24200MH1986PLC041128 Corp.Off.: A/101, Pratik Estate, Next to Fortis Hospital. Mulund Link Road, P. Box No. 17339 Mumbai - 400 078. INDIA E-mail : colinzlabs@yahoo.com / colinzlabs@gmail.com Colinz Date: 20* Aug, 2026 The BSE Limited Phiroze reejeebhoy Towers, Dalal Street, Mumbai - 400001 Dear Sir, Sub: Compliance of Regulation 42 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Intimation of Book Closure & Cut-off Date. BSE Code: 531210 The Register of Members and Share Transfer Books of the Company will remain closed for the purpose of Annual General Meeting as detailed below: Date of Annual General Meeting 2204 September, 2026 Closure of Register of Members and Share Transfer 15-09-2026 to 22-9-2026 Books for the AGM (both days Inclusive) Cut-off date for the purpose of determining the eligible 15t September,2026 shareholders for e-voting ' This is for your information and record. Thanking you, Yours faithfully, Yours faithfully, FOR COLINZ LABORATORIES LTD VIJAYA G MANI &5 VIJAJA MANI DIN: 11363910 Director Colinz Laboratories Limited CIN NO- L24200MH 1986PLC041128 Corp.Off.: A/101, Pratik Estate, Next to Fortis Hospital. Mulund Link Road, P. Box No. 17339 Mumbai - 400 078 INDIA E-mail : colinzlabs@yahoo.com / colinzlabs@gmail.com Mobile : 9137392123