TÜRKİYE İŞ BANKASI A.Ş.

Capital/Financing Update • Sep 23, 2025

Summary Info	Issuance of Tier 2 Eurobond Abroad
Update Notification Flag	No
Correction Notification Flag	No
Postponed Notification Flag	No
Subject of Notification	Other

Board Decision Date	20.11.2024

Related Issue Limit Info

Currency Unit	USD
Limit	5.000.000.000
Issue Limit Security Type	Debt Securities
Sale Type	Oversea
Domestic / Oversea	Oversea
Capital Market Board Approval Date	26.12.2024

Capital Market Instrument To Be Issued Info

Type	Subordinated Debt Securities
Maturity Date	02.04.2036
Maturity (Day)	3.838
Sale Type	Oversea
Coupon Number	0

Rating

Does the issuer have a rating note?	Yes

Issuer Rating Note

Rating Company	Rating Note	Rating Date	Is it Investment Grade?
Fitch Ratings	AA-(tur)- Ulusal Uzun Vadeli Notu (National Long Term)	30.05.2025	Yes

Does the capital market instrument have a rating note?	Yes

Capital Market Instrument Rating Note

Rating Company	Rating Note	Rating Date	Is it Investment Grade?
Fitch Ratings	B	23.09.2025	No

Does the originator have a rating note?	No

Additional Explanations

Ref: Our public disclosure dated 22.09.2025. With the related public disclosure, it was announced that our Bank has mandated BofA Securities, First Abu Dhabi Bank, HSBC, Mashreq, Mizuho and Standard Chartered Bank with respect to the issuance of U.S. dollar-denominated Basel III compliant Tier 2 notes to be sold to investors outside Türkiye. Within this framework, it is planned to issue Tier 2 Notes abroad with a nominal value of USD 500 million, which possess the characteristics specified in Article 8 of the Banking Regulation and Supervision Agency's (BRSA) Regulation on Equity of the Banks. This instrument will have a have call option subject to approval of the BRSA, coupon rate of 7.375%, maturity of 10.5 years, and semi-annual coupon payments. The call option can be exercised from 2 January 2031 to 2 April 2031. The issuance will be completed on 29 September 2025, following the necessary approval from the Capital Markets Board (CMB). This is the translation of the Turkish public disclosure made by Türkiye İş Bankası A.Ş. through the Public Disclosure Platform, under the Material Events Guideline prepared in accordance with the Communique of Material Events, numbered II-15.1. According to the Material Events Guideline and the regulations, the Turkish public disclosure shall prevail.