Intimation for change of RTA in pursuant to Regulation 30 of SEBI (LODR) 2015

C orporate Office & Central Laboratory : R/off. 9/1, Near Tulsiyana Industrial Park Gram Kumedi,Indore – 453555 (MP) INDIA Tel: -0731-3501112 Email: compliance_officer@choksilab.in Website: www.choksilab.in C IN: L85195MP1993PLC007471 To, Date: 03rd August,2026 The Corporate Relationship Department BSE Limited Phiroze Jeejeebhoy Tower Dalal Street, Fort Mumbai-Maharashtra 400001 Ref: Scrip Code: 526546, ISIN: INE493D01013 SUB: Intimation of change in Registrar and Share Transfer Agent of the Company in term of Regulation 30 of SEBI (LODR) Regulations, 2015. Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”), we wish to inform you that the electronic connectivity with the depositories, namely National Securities Depository Limited (“NSDL”) and Central Depository Services (India) Limited (“CDSL”), has been transferred from MUFG Intime India Private Limited (SEBI Registration No. INR000004058) to Ankit Consultancy Private Limited (SEBI Registration No. INR000000767) with effect from August 03, 2026. The details required in terms of Regulation 30 read with, Para A of Part A of Schedule III of the Listing Regulations and SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 are given in Annexure - A. The letters received from National Securities Depository Limited dated July 31, 2026 (received on July 31, 2026 at 6:08 p.m.) and from Central Depository Services (India) Limited dated August 03, 2026 (received on August 03, 2026 at 04:05 p.m.) regarding the change of RTA effective from August 03, 2026 are enclosed herewith. The said information shall also be made available on the website of the Company: www.choksilab.in . Further, in terms of Regulation 7 of the Listing Regulations, a Tripartite Agreement (“Agreement”) between the Company, MUFG Intime India Private Limited and Ankit Consultancy Private Limited will be executed in due course and shall be intimated to the Stock exchanges within the statutory timelines from the date of entering into the Agreement. You are requested to please take on record our above said information for your reference; Thanking You, Yours faithfully, FOR CHOKSI LABORATORIES LIMITED PRAKHAR DUBEY COMPANY SECRETARY & COMPLIANCE OFFICER Encl.: a/a C orporate Office & Central Laboratory : R/off. 9/1, Near Tulsiyana Industrial Park Gram Kumedi,Indore – 453555 (MP) INDIA Tel: -0731-3501112 Email: compliance_officer@choksilab.in Website: www.choksilab.in C IN: L85195MP1993PLC007471 Annexure – ‘A’ Details required under SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Circular No. HO/49/14/14(7)2025-CFD- POD2/I/3762/2026 dated January 30, 2026. S. No. Particulars Details 1. Reason for appointment or The Company has decided to shift its Registrar and discontinuation Transfer Agent from M/s MUFG Intime India Private Limited to Ankit Consultancy Private Limited. The decision has been taken after a comprehensive evaluation of service offerings, technological capabilities, and local convenience 2. Date on which above would August 03, 2026 become effective CONFIDENTIAL II/DR/DEMAT/2026/0308 July 31, 2026 The Company Secretary Choksi Laboratories Limited 6/3, Manoramaganj Indore - 452001 Dear Sir, Sub: Change of R&T Agent for connectivity for Choksi Laboratories Limited We refer to your letter intimating change of R&T Agent for electronic connectivity from MUFG INTIME INDIA PRIVATE LIMITED to Ankit Consultancy Private Limited . In this regard, please note that the change of R&T Agent is scheduled to be carried out on August 03, 2026 . Consequent to the change, MUFG INTIME INDIA PRIVATE LIMITED will stop acting as R&T Agent for electronic connectivity w.e.f. BOD of August 03, 2026 and Ankit Consultancy Private Limited may commence as the R&T Agent on August 03, 2026 . In case you require any further clarifications, please get in touch with us on 022-2499 4552/4543. Yours faithfully, Basant Kumar Sahu Assistant Vice President Cc : Mr. Ramakrishnan Compliance Officer MUFG INTIME INDIA PRIVATE LIMITED C 101, 247 Park L.B.S. Marg Vikhroli West Mumbai - 400 083 Mr. Saurabh Maheshwari Compliance Officer Ankit Consultancy Private Limited 60, Electronic Complex, Pardeshipura, Indore (M. P.) - 452 010 301, 3rd Floor, Naman Chambers, Plot C-32, G - Block, Bandra Kurla Complex, Bandra (E), Mumbai - 400 051, India Tel.: 91-22-6944 8400 | CIN-L74120MH2012PLC230380 | Email: info@nsdl.com | Web: www.nsdl.co.in CONFIDENTIAL CDSL/OPS/VC-RP/RTA-CH/2026-27/117 03/08/2026 The Company Secretary CHOKSI LABORATORIES LIMITED Survey No. 9/1, Near Tulshiyana Industrial Park, Gram Kumerdi, Indore- 452010 Dear Sir, Sub: Change in RTA from MUFG INTIME INDIA PRIVATE LIMITED To ANKIT CONSULTANCY PRIVATE LIMITED This has reference to your request for change of RTA. We have effected the change in RTA in CDSL system from MUFG INTIME INDIA PRIVATE LIMITED To ANKIT CONSULTANCY PRIVATE LIMITED on 03/08/2026. Please note that the Tri-partite Agreement with your previous RTA now stands cancelled. Thanking you, Yours faithfully, For Central Depository Services (India) Limited Nilesh Shah Vice President – Operations CC: Kind Attn. : Mr. Saurabh Maheshwari Compliance Officer ANKIT CONSULTANCY PVT. LTD. 60, Electronic Compex Pardeshipura Indore- 452010, Madhya Pradesh Regd. Office : Marathon Futurex, A-Wing, 25th floor, NM Joshi Marg, Lower Parel (East), Mumbai- 400013, Phone : 91-22-2302 3333, Fax : 91-22-2300 2043, Website : www.cdslindia.com CDSL: L67120MH1997PLC112443