TÜRKİYE İŞ BANKASI A.Ş.

Capital/Financing Update • Sep 18, 2025

Summary Info	Coupon payment of Turkish Lira Tier-2 Domestic Debt Securities
Update Notification Flag	Yes
Correction Notification Flag	No
Postponed Notification Flag	No
Subject of Notification	Coupon Payment

Board Decision Date	16.08.2018

Related Issue Limit Info

Currency Unit	TRY
Limit	5.000.000.000
Issue Limit Security Type	Subordinated Debt Securities
Sale Type	Sale To Qualified Investor
Domestic / Oversea	Domestic
Capital Market Board Approval Date	28.09.2018

Capital Market Instrument To Be Issued Info

Type	Subordinated Debt Securities
Maturity Date	13.09.2029
Maturity (Day)	3.640
Sale Type	Sale To Qualified Investor
The country where the issue takes place	Türkiye
Title Of Intermediary Brokerage House	İŞ YATIRIM MENKUL DEĞERLER A.Ş.
Central Securities Depository	Merkezi Kayıt Kuruluşu A.Ş.
Starting Date of Sale	25.09.2019
Ending Date of Sale	25.09.2019
Nominal Value of Capital Market Instrument Sold	350.000.000
Maturity Starting Date	26.09.2019
Issue Price	1
Interest Rate Type	Floating Rate
Floating Rate Reference	TREASURY
Additional Return (%)	3,5
Traded in the Stock Exchange	Yes
Payment Type	TL Payment
ISIN Code	TRSTISB92918
Coupon Number	40
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	26.12.2019	25.12.2019	26.12.2019	4,3211	17,3319	18,4924	15.123.850		Yes
2	26.03.2020	25.03.2020	26.03.2020	3,82	15,322	16,2259	13.370.000		Yes
3	25.06.2020	24.06.2020	25.06.2020	4,0452	16,2253	17,2404	14.158.200		Yes
4	24.09.2020	23.09.2020	24.09.2020	3,5229	14,1303	14,8976	12.330.150		Yes
5	24.12.2020	23.12.2020	24.12.2020	4,1483	16,6388	17,7071	14.519.050		Yes
6	25.03.2021	24.03.2021	25.03.2021	4,0113	16,0893	17,0873	14.039.550		Yes
7	24.06.2021	23.06.2021	24.06.2021	5,3501	21,4592	23,2505	18.725.350		Yes
8	23.09.2021	22.09.2021	23.09.2021	5,2648	21,1171	22,8507	18.426.800		Yes
9	23.12.2021	22.12.2021	23.12.2021	5,0407	20,2182	21,805	17.642.450		Yes
10	24.03.2022	23.03.2022	24.03.2022	6,4971	26,0598	28,7216	22.739.850		Yes
11	23.06.2022	22.06.2022	23.06.2022	7,1327	28,6092	31,8308	24.964.450		Yes
12	22.09.2022	21.09.2022	22.09.2022	5,3916	21,6256	23,4453	18.870.600		Yes
13	22.12.2022	21.12.2022	22.12.2022	3,3978	13,6285	14,3417	11.892.300		Yes
14	23.03.2023	22.03.2023	23.03.2023	3,1261	12,5388	13,1413	10.941.350		Yes
15	22.06.2023	21.06.2023	22.06.2023	3,557	14,2671	15,0495	12.449.500		Yes
16	21.09.2023	20.09.2023	21.09.2023	4,182	16,774	17,86	14.637.000		Yes
17	21.12.2023	20.12.2023	21.12.2023	7,2343	29,0167	32,333	25.320.050		Yes
18	21.03.2024	20.03.2024	21.03.2024	7,3191	29,3568	32,7533	25.616.850		Yes
19	20.06.2024	19.06.2024	20.06.2024	8,1769	32,7975	37,0608	28.619.150		Yes
20	19.09.2024	18.09.2024	19.09.2024	8,2139	32,9459	37,2489	28.748.650		Yes
21	19.12.2024	18.12.2024	19.12.2024	8,3292	33,4083	37,8364	29.152.200		Yes
22	20.03.2025	19.03.2025	20.03.2025	8,4874	34,0429	38,6456	29.705.900		Yes
23	19.06.2025	18.06.2025	19.06.2025	8,2541	33,1071	37,4535	28.889.350		Yes
24	18.09.2025	17.09.2025	18.09.2025	9,344	37,4787	43,089	32.704.000		Yes
25	18.12.2025	17.12.2025	18.12.2025	8,8685	35,5715	40,6094
26	19.03.2026	18.03.2026	19.03.2026
27	18.06.2026	17.06.2026	18.06.2026
28	17.09.2026	16.09.2026	17.09.2026
29	17.12.2026	16.12.2026	17.12.2026
30	18.03.2027	17.03.2027	18.03.2027
31	17.06.2027	16.06.2027	17.06.2027
32	16.09.2027	15.09.2027	16.09.2027
33	16.12.2027	15.12.2027	16.12.2027
34	16.03.2028	15.03.2028	16.03.2028
35	15.06.2028	14.06.2028	15.06.2028
36	14.09.2028	13.09.2028	14.09.2028
37	14.12.2028	13.12.2028	14.12.2028
38	15.03.2029	14.03.2029	15.03.2029
39	14.06.2029	13.06.2029	14.06.2029
40	13.09.2029	12.09.2029	13.09.2029
Principal/Maturity Date Payment Amount	13.09.2029	12.09.2029	13.09.2029

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	24.02.2023	Yes

Does the capital market instrument have a rating note?	No

Does the originator have a rating note?	No

Additional Explanations

The 24th coupon payment of bonds, which were issued by our Bank to qualified investors with a maturity of 10 years (3.640 days), nominal value of TRY 350.000.000 and ISIN code of TRSTISB92918 has been completed on 18.09.2025. 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.