Disclosure under Regulation 30

Ref No. IRC/152/2026-27 20.10.2026 National Stock Exchange of India Ltd., BSE Limited, Exchange Plaza, C-1 Block G, Floor 1, P.J. Towers, Dalal Street, Bandra-Kurla Complex, Bandra (E), Mumbai 400 001 Mumbai – 400 051 BSE SCRIP CODE: 532388 NSE SCRIP CODE: IOB Madam/Sir, Disclosure under Regulation 30 of SEBI (LODR) Regulations, 2015 Pursuant to Regulation 30 of the SEBI (LODR) Regulations, 2015, we wish to inform that the Bank has received SEBI Letter dated 19.10.2026, conveying approval for issuance of up to 10,00,00,000 (Ten Crore) fresh equity shares directly to eligible employees of the bank under an Employee Stock Purchase Scheme (ESPS) in accordance with the provisions of the SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021, as a permissible mode for achieving compliance with the Minimum Public Shareholding (MPS) requirements. The issuance is subject to compliance with the provisions of the SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 and other applicable regulatory requirements. This is for your information and appropriate dissemination. Yours faithfully, Vishal Bhatnagar Deputy Company Secretary Membership No: A72629 Investor Relations Cell, Central Office, 763, Anna Salai, Chennai 600 002 044 – 7172 9791, 2888 9360 | investor@iob.bank.in HO/49/11/12(103)2026-CFD-RAC-DIL2 I/23974/2026 सहायक महाप्रबधं क / ASSISTANT GENERAL MANAGER नि(cid:12)गम नि(cid:14)त्त नि(cid:14)भाग / CORPORATION FINANCE DEPARTMENT रजि(cid:19)स्ट्रीकरण, म(cid:19)ं ूरी, पत्र- व्य(cid:14)हार / REGISTRATION, APPROVALS & CORRESPONDENCES नि(cid:12)ग(cid:29)म ए(cid:14)ं सूचीबद्धता प्रभाग - 2 / DIVISION OF ISSUES AND LISTING – 2 - / E-mail – prashantc@sebi.gov.in . / Ph. No: 022-26449210 October 19, 2026 Raghuram Mallela Deputy General Manager & Company Secretary Investor Relations Cell, Indian Overseas Bank Central Office, Chennai Email: raghurammallela@iob.bank.in Subject: Adoption of Issuance of equity shares through 'Employee Stock Purchase Scheme' (ESPS) under SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 as a method to comply with the norms of minimum public shareholding (MPS) as required under Rule 19A of the Securities Contracts Regulation (Rules), 1957 Dear Sir, 1. This has reference to your letter dated August 11, 2026 and subsequent correspondences in the captioned matter. 2. It has been decided to accede to your request to adopt issuance of up to 10,00,00,000 fresh equity shares directly to eligible employees through Employee Stock Purchase Scheme under SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 as a method under Sr. No. 10 of para 3 of SEBI circular No. SEBI/HO/CFD/PoD2/P/CIR/2023/18 dated February 03, 2023 to comply with MPS norms. “The issuance of this document may सेबी भ(cid:14)(cid:12), “(cid:19)ी” ब्लॉक, बांद्रा-कुला(cid:29) कॉम्प्लेक्स, मुंबई - 400051 be verified on the web-page SEBI Bhavan, “G” Block, Bandra Kurla Complex, accessible through the QR code Mumbai – 400051 printed here or from the link - https://www.sebi.gov.in/sebiweb/dnvs www.sebi.gov.in | 022 – 2644 9000 / 4045 9000 -authentication-v2.html.” Page 1 of 2 HO/49/11/12(103)2026-CFD-RAC-DIL2 I/23974/2026 3. The issuance shall be subject to compliance with the SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021, and other applicable regulatory requirements. 4. The approval is specific to the present case and shall not be treated as a precedent. 5. You are also advised to intimate the contents of this letter to the Stock Exchanges in accordance with Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. 6. This letter has been issued with approval of the competent authority. Yours faithfully, Prashant Choudhary “The issuance of this document may सेबी भ(cid:14)(cid:12), “(cid:19)ी” ब्लॉक, बांद्रा-कुला(cid:29) कॉम्प्लेक्स, मुंबई - 400051 be verified on the web-page SEBI Bhavan, “G” Block, Bandra Kurla Complex, accessible through the QR code Mumbai – 400051 printed here or from the link - https://www.sebi.gov.in/sebiweb/dnvs www.sebi.gov.in | 022 – 2644 9000 / 4045 9000 -authentication-v2.html.” Page 2 of 2