Certificate under SEBI (Depositories and Participants) Regulations, 2018

SEC/248/2026 October 9, 2026 National Securities Depository Limited Central Depository Services (India) Limited. Trade World, A Wing Marathon Futurex, A Wing,25th Floor Kamala Mills Compound, Lower Parel NM Joshi Marg, Lower Parel, Mumbai-400013 Mumbai - 400 013 Dear Sir/Madam, Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026 -------------------------------------------------------------------------------------------------------------------------------- Based on the confirmation received from MUFG Intime India Pvt. Ltd., Registrar to an issue and Share Transfer Agent of the Bank, we hereby certify that all the valid certificates of securities received for dematerialization during the quarter ended September 30, 2026, have been mutilated and cancelled after due verification and the name of the respective depository has been substituted in the records of the Bank as the registered owner within the stipulated period and the details are furnished to the stock exchanges. Confirmation received from Registrar to an issue and Share Transfer Agent of the Bank is enclosed herewith. Kindly take same on records. Thank you. Yours Faithfully, Sijo Varghese Company Secretary Copy to: BSE Limited, National Stock Exchange of India Ltd., Corporate Relationship Department, Listing Department, Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th floor, Dalal Street, Bandra-Kurla Complex, Mumbai - 400001. Bandra (E), Mumbai 400051. Scrip code: 542867 Symbol: CSBBANK CSB Bank Limited Regd. Office: CSB Bhavan, St. Mary's College Road, Thrissur – 680020, Kerala, India. Tel: +91 487–2333020 | Fax: +91 487–2338764 | Website: www.csb.bank.in | Email: secretarial@csb.bank.in |CIN: L65191KL1920PLC000175 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 To, Date : 03-10-2026 The Compliance Officer/ Company Secretary CSB BANK LIMITED CSB BHAVAN, POST BOX NO. 502 ST. MARY’S COLLEGE ROAD THRISSUR KERALA TRICHUR PINCODE : 680020 Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, 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. 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 Services