Reporting under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

संदभ ग Ref.:नि.से.नव.ISD/175/2026-27 नदिांक Date : 21.08.2026 बीएसई निस्टंग सेंटर BSE Listing Centre National Stock Exchange of India Ltd. स्िप कोि Scrip Code - 532 477 निप्स NEAPS स्िप कोि Scrip Symbol-UNIONBANK-EQ Subject: Reporting under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. In terms of Regulation 30 read with clause 3 of Para A of Part A of Schedule III and Regulation 55 of the SEBI (Listing Obligations & Disclosure Requirements) Regulations, 2015 and SEBI Master circular no. SEBI/HO/DDHS/DDHS-POD2/P/CIR/2025/101 dated July 11,2025; we wish to inform that S&P Global Ratings on August 21, 2026 has assigned its 'BBB' long-term issue rating to U.S. dollar-denominated senior unsecured notes that the Dubai International Financial Centre branch of Union Bank of India (UBI) proposes to issue. The rating on the notes is equal to the long-term issuer credit rating on UBI (BBB/Stable/A-2). The notes will constitute direct, unconditional, unsubordinated, unsecured, and senior obligations of Union Bank of India. Thanking you. भवदीय Yours faithfully, (Ashish Mishra) Company Secretary Cc to: 1. IDBI Trusteeship Services Ltd. 2. Catalyst Trusteeship Limited Union Bank of India, Investor Services Division, Union Bank Bhavan,239, Vidhan Bhavan Marg, Nariman Point, Mumbai - 400021. : + 91 22 2289 6636/2289 6643, investorservices@unionbankofindia.bank.in , website: www.unionbankofindia.bank.in 1 C-111, Ground Floor, Nila Spaces, Block 11-D, Zone 1, Road-1A, Gift SEZ, Village Ratanpur, Taluka and District Gandhinagar, Gujrat-382355 India, Gift City, Gandhinagar-382355, Gujarat, India S&P Global Ratings Singapore Pte. 21 August 2026 Ltd. Union Bank of India Union Bank Bhavan, 239, Vidhan Bhavan Marg, Nariman Point, Mumbai – 400021, Maharashtra, India Attention To: Mr Asheesh Pandey, MD & CEO, Union Bank of India Re: New Rating To Whom it May Concern, S&P Global Ratings hereby assigns the below rating(s): Issuer Rating Description Rating Union Bank of India Proposed U.S$ Senior Notes BBB (DIFC Branch) This letter assumes that the final documentation for the above-referenced issue[s] will not materially differ from the latest version we received. Please send us a clean copy of the executed documentation, and if applicable a marked copy showing any changes that were made, as soon as available. This letter constitutes S&P Global Ratings’ permission for you to disseminate the above- assigned rating(s) to interested parties in accordance with applicable laws and regulations. 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