Outcome of Board Meeting

SEC/235/2026 September 25, 2026 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 Dear Sir/Madam, Outcome of Board Meeting held on Friday, September 25, 2026 ---------------------------------------------------------------------------------------------------------------------------------------- Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”), we wish to inform you that the Board of Directors (the “Board”) of the CSB Bank Limited (the “Bank”), in their meeting held today, i.e., on September 25, 2026, inter alia, have considered and approved the following: 1. Appointment of Mr. Anish Thurthi (DIN: 08713000) as an Additional Director (Non-Executive Non-Independent) of the Bank Pursuant to the recommendation of the Nomination & Remuneration Committee ("NRC"), the Board has approved the appointment of Mr. Anish Thurthi (DIN: 08713000) as an Additional Director, in the category of ‘Non-Executive Non-Independent’ (nominated by FIH Mauritius Investments Ltd, the promoter of the Bank), of the Bank with effect from September 25, 2026, liable to retire by rotation. The disclosure as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, in connection with the appointment, is provided as Annexure I. The Bank will seek approval of the members for the appointment within the prescribed time period in terms of section 161 of the Companies Act, 2013 read with SEBI Listing Regulations. 2. Reconstitution of Committees of the Board Reconstitution of the Committees of the Board, with effect from September 26, 2026, as provided in Annexure II. Please note that the Board meeting commenced at 10.30 a.m. IST and concluded at 01.50 p.m. IST. Kindly take the same on your records. Thanking You, Yours faithfully, Sijo Varghese Company Secretary 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 Annexure I Disclosure of information pursuant to Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 SL. Particulars Information of such event(s) 1 Reason for Change (viz., Appointment. appointment, re- appointment, resignation, removal, death or otherwise) 2 Date of appointment and Appointment of Mr. Anish Thurthi (DIN: 08713000) as an term of appointment Additional Director, in the category of ‘Non-Executive Non- Independent’, of the Bank with effect from September 25, 2026, liable to retire by rotation. 3 Brief profile (in case of Attached as Annexure A appointment) 4 Disclosure of relationships Mr. Anish Thurthi is not related to any of the other director of between directors (in case of the Bank. appointment of a director); 5 Information as required Mr. Anish Thurthi is not debarred from holding the office of under BSE circular Number Director by virtue of any Securities and Exchange Board of India LIST/COM/14/2018-19 dated order or any other such authority June 20, 2018, and NSE circular no. NSE/CML/2018/24 dated June 20, 2018. 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 Annexure A BRIEF PROFILE OF MR. ANISH THURTHI Name: Mr. Anish Thurthi DIN: 08713000 Background & Professional Experience: Mr. Anish Thurthi is a highly accomplished Chartered Accountant with over 20+ years of experience in investment management, Mergers & Acquisitions (M&A), and financial advisory. He holds a Bachelor of Commerce degree from Bangalore University. He currently is a Director at Fairbridge Capital Private Limited, an investment advisory firm managing investments for Fairfax Financial Holdings Limited and Fairfax India Holdings Corporation. In this role, he plays a key part in sourcing and executing new investments and investment management. Prior to this, Mr. Anish was a Partner in the Deal Advisory practice of KPMG India where he spent over 13 years advising more than 200 corporate M&A transactions and private equity investments. His expertise spanned financial due diligence, structuring, buyouts, and merger integrations across sectors such as infrastructure, consumer goods, and industrials. With a strong background in financial strategy, investment management, M&A, and investment advisory, Anish Thurthi is a seasoned leader in the finance and investment industry. Directorships in Listed and Other Entities: 1. Bluspring Enterprises Ltd 2. Digitide Solutions Ltd 3. Quess Corp Limited 4. National Commodities Management Services Limited 5. Anchorage lnfrastructure lnvestments Holdings Limited 6. Maxop Engineering Company private Limited 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 Annexure II Sl No Name of the Member Status Category of Directorship Nomination and Remuneration Committee 1 Mr. Sudhin Choksey# Chairperson Non-Executive & Independent 2 Mr. Anish Thurthi* Member Non-Executive & Non-Independent 3 Ms. Renu Kohli Member Non-Executive & Independent 4 Mr. D N Narasimha Raju Member Non-Executive & Independent Risk Management Committee 1 Mr. D N Narasimha Raju# Chairperson Non-Executive & Independent 2 Mr. Pralay Mondal Member Executive & Non-Independent 3 Ms. Sheetal Rupesh Sancheti Member Non-Executive & Non-Independent 4 Mr. Sudhin Choksey Member Non-Executive & Independent 5 Mr. Sharad Kumar Saxena Member Non-Executive & Independent 6 Ms. Renu Kohli Member Non-Executive & Independent 7 Mr. Biswamohan Mahapatra Member Non-Executive & Independent Corporate Social Responsibility & ESG Committee 1 Mr. Pralay Mondal Chairperson Executive & Non-Independent 2 Mr. Anish Thurthi* Member Non-Executive & Non-Independent 3 Mr. Sudhin Choksey Member Non-Executive & Independent 4 Mr. Biswamohan Mahapatra* Member Non-Executive & Independent * Newly inducted member # Appointed as the Chairperson of the Committee 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