TÜRKİYE İŞ BANKASI A.Ş.

Capital/Financing Update • Sep 18, 2025

Summary Info	Coupon Rate of Green Bond
Update Notification Flag	Yes
Correction Notification Flag	No
Postponed Notification Flag	No
Subject of Notification	Coupon Rate Determination

Board Decision Date	16.05.2023

Related Issue Limit Info

Currency Unit	TRY
Limit	3.000.000.000
Issue Limit Security Type	Green/Sustainability-Themed Capital Market Instruments
Sale Type	Sale To Qualified Investor
Domestic / Oversea	Domestic
Capital Market Board Approval Date	20.09.2023

Capital Market Instrument To Be Issued Info

Type	Green Bond
Maturity Date	19.12.2025
Maturity (Day)	728
Sale Type	Sale To Qualified Investor
The country where the issue takes place	Türkiye
Is The Issued Capital Market Instrument Green/Sustainability-Themed?	Yes
Title Of Intermediary Brokerage House	İŞ YATIRIM MENKUL DEĞERLER A.Ş.
Central Securities Depository	Merkezi Kayıt Kuruluşu A.Ş.
Starting Date of Sale	19.12.2023
Ending Date of Sale	20.12.2023
Nominal Value of Capital Market Instrument Sold	500.000.000
Maturity Starting Date	22.12.2023
Issue Price	1
Interest Rate Type	Floating Rate
The Period That Rate Will Be Used	T-1
Floating Rate Reference	TLREF
Additional Return (%)	0,50
Traded in the Stock Exchange	Yes
Payment Type	TL Payment
ISIN Code	TRSTISBA2513
Coupon Number	8
Currency Unit	TRY
Coupon Payment Frequency	Quarterly

Redemption Plan of Capital Market Instrument Sold

Coupon Number	Payment Date	Record Date	Payment Date	Interest Rate - Periodic (%)	Interest Rate - Yearly Simple (%)	Interest Rate - Yearly Compound (%)	Payment Amount	Exchange Rate	Was The Payment Made?
1	22.03.2024	21.03.2024	22.03.2024	11,8313	47,4552	56,5983	59.156.500		Yes
2	21.06.2024	20.06.2024	21.06.2024	13,7702	55,2321	67,776	68.851.000		Yes
3	20.09.2024	19.09.2024	20.09.2024	13,5661	54,4135	66,572	67.830.500		Yes
4	20.12.2024	19.12.2024	20.12.2024	13,1813	52,87	64,3197	65.906.500		Yes
5	21.03.2025	20.03.2025	21.03.2025	12,0689	48,4082	57,9371	60.344.500		Yes
6	20.06.2025	19.06.2025	20.06.2025	12,7713	51,2255	61,9452	63.856.500		Yes
7	19.09.2025	18.09.2025	19.09.2025	11,6635	46,7822	55,658
8	19.12.2025	18.12.2025	19.12.2025
Principal/Maturity Date Payment Amount	19.12.2025	18.12.2025	19.12.2025

Rating

Does the issuer have a rating note?	Yes

Issuer Rating Note

Rating Company	Rating Note	Rating Date	Is it Investment Grade?
Fitch Ratings	A+(tur)/Ulusal Uzun Vadeli Notu	22.09.2023	Yes

Does the capital market instrument have a rating note?	No

Does the originator have a rating note?	No

Additional Explanations

The 7th coupon rate of green bonds, which were issued by our Bank to qualified investors with a maturity of 2 years (728 days), nominal value of TRY 500.000.000 and ISIN code of TRSTISBA2513, has been determined as 11,6635% and the related coupon payment of green bonds will be made on 19.09.2025.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.