Trading Window

Ref. No.: AUSFB/SEC/2026-27/250 Date: September 30, 2026 National Stock Exchange of India Ltd. BSE Limited Exchange Plaza, C-1, Block G, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex, Dalal Street, Bandra (East), Mumbai 400051, Mumbai 400001, Maharashtra. Maharashtra. NSE Symbol: AUBANK BSE Scrip Code: 540611, 974093, 974094, 974095, 974914, 974963, 975017, 975038 & 976580 Dear Sir/Madam, Sub: Intimation for closure of trading window for dealing in securities of AU Small Finance Bank Limited Ref: Disclosure in terms of the SEBI (Prohibition of Insider Trading) Regulations, 2015 (‘PIT Regulations’) Pursuant to the PIT Regulations and Bank’s Code of Conduct - Prohibition of Insider Trading, we hereby inform that trading window for dealing in securities of the Bank will be closed for the Designated Persons and their immediate relatives from Thursday, October 1, 2026 till 48 hours after declaration of financial results of the Bank for the quarter and half year ending on September 30, 2026. The date of Board Meeting for the aforesaid purpose will be intimated to the Stock Exchanges in due course. This is for your information and records. Thanking You, Yours faithfully, For AU SMALL FINANCE BANK LIMITED Manmohan Parnami Company Secretary and Compliance Officer Membership No.: F9999 investorrelations@aubank.in