TÜRKİYE İŞ BANKASI A.Ş.

Capital/Financing Update • Sep 23, 2025

Summary Info	Approval of the CMB Regarding the Issuance of Tier 2 Eurobond Abroad
Update Notification Flag	Yes
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

Reference: Public disclosures of Türkiye İş Bankası A.Ş. (İşbank) on 22.09.2025 and 23.09.2025. The approval of the Capital Markets Board has been obtained for the issuance of Basel III compliant Tier 2 notes with a nominal value of USD 500 million, which is planned to be issued abroad by İşbank on September 29, 2025. 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.