TÜRKİYE İŞ BANKASI A.Ş.

Capital/Financing Update • Oct 28, 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	31.05.2017

Related Issue Limit Info

Currency Unit	TRY
Limit	5.000.000.000
Issue Limit Security Type	Debt Securities-Structured Debt Securities
Sale Type	Sale To Qualified Investor
Domestic / Oversea	Domestic
Capital Market Board Approval Date	07.07.2017

Capital Market Instrument To Be Issued Info

Type	Bond
Maturity Date	27.07.2027
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	MERKEZİ KAYIT KURULUŞU A.Ş.
Nominal Value of Capital Market Instrument Sold	1.100.000.000
Maturity Starting Date	08.08.2017
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	TRSTISB72712
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	07.11.2017	06.11.2017	07.11.2017	3,4778	13,9494	14,6969	38.255.799,99		Yes
2	06.02.2018	05.02.2018	06.02.2018	3,8428	15,4134	16,3283	42.270.799,99		Yes
3	08.05.2018	07.05.2018	08.05.2018	3,7322	14,9698	15,8322	41.054.199,99		Yes
4	07.08.2018	06.08.2018	07.08.2018	4,3121	17,2958	18,4514	47.433.099,99		Yes
5	06.11.2018	05.11.2018	06.11.2018	5,8261	23,3684	25,4993	64.087.099,99		Yes
6	05.02.2019	04.02.2019	05.02.2019	5,5056	22,0829	23,9818	60.561.599,99		Yes
7	07.05.2019	06.05.2019	07.05.2019	4,7173	18,9209	20,3076	51.890.299,99		Yes
8	06.08.2019	05.08.2019	06.08.2019	5,8635	23,5184	25,6773	64.498.500		Yes
9	05.11.2019	04.11.2019	05.11.2019	4,5872	19,7094	18,3992	50.459.199,99		Yes
10	04.02.2020	03.02.2020	04.02.2020	3,9711	15,928	16,9059	43.682.099,98		Yes
11	05.05.2020	04.05.2020	05.05.2020	3,3306	13,359	14,0439	36.636.599,98		Yes
12	04.08.2020	03.08.2020	04.08.2020	3,6007	14,4424	15,2443	39.607.699,98		Yes
13	03.11.2020	02.11.2020	03.11.2020	3,777	15,1495	16,033	41.547.000		Yes
14	02.02.2021	01.02.2021	02.02.2021	4,2933	17,2204	18,3658	47.226.300		Yes
15	04.05.2021	03.05.2021	04.05.2021	4,0408	16,2076	17,2206	44.448.800		Yes
16	03.08.2021	02.08.2021	03.08.2021	5,2319	20,9851	22,6967	57.550.900		Yes
17	02.11.2021	01.11.2021	02.11.2021	5,0884	20,4095	22,027	55.972.400		Yes
18	01.02.2022	31.01.2022	01.02.2022	5,4817	21,987	23,8692	60.298.700		Yes
19	03.05.2022	29.04.2022	05.05.2022	6,3906	25,6326	28,2061	70.296.600		Yes
20	02.08.2022	01.08.2022	02.08.2022	6,1501	24,668	27,0476	67.651.100		Yes
21	01.11.2022	31.10.2022	01.11.2022	5,2122	20,9061	22,6046	57.334.200		Yes
22	31.01.2023	30.01.2023	31.01.2023	3,1276	12,5448	13,1479	34.403.600		Yes
23	02.05.2023	28.04.2023	02.05.2023	3,0911	12,3984	12,9874	34.002.100		Yes
24	01.08.2023	31.07.2023	01.08.2023	4,9693	19,9318	21,4733	54.662.300		Yes
25	31.10.2023	30.10.2023	31.10.2023	4,9037	19,6687	21,169	53.940.700		Yes
26	30.01.2024	29.01.2024	30.01.2024	7,9423	31,8565	35,8725	87.365.300		Yes
27	30.04.2024	29.04.2024	30.04.2024	7,7047	30,9035	34,6768	84.751.700		Yes
28	30.07.2024	29.07.2024	30.07.2024	8,3666	33,5583	38,0274	92.032.600		Yes
29	29.10.2024	28.10.2024	30.10.2024	7,8623	31,5356	35,469	86.485.300		Yes
30	28.01.2025	27.01.2025	28.01.2025	8,5081	34,1259	38,7517	93.589.100		Yes
31	29.04.2025	28.04.2025	29.04.2025	7,6761	30,7888	34,5334	84.437.100		Yes
32	29.07.2025	28.07.2025	29.07.2025	9,5832	38,4381	44,3486	105.415.200		Yes
33	28.10.2025	27.10.2025	28.10.2025	8,7873	35,2458	40,1893	96.660.300		Yes
34	27.01.2026	26.01.2026	27.01.2026	8,9758	36,0018	41,1661
35	28.04.2026	27.04.2026	28.04.2026
36	28.07.2026	27.07.2026	28.07.2026
37	27.10.2026	26.10.2026	27.10.2026
38	26.01.2027	25.01.2027	26.01.2027
39	27.04.2027	26.04.2027	27.04.2027
40	27.07.2027	26.07.2027	27.07.2027
Principal/Maturity Date Payment Amount	27.07.2027	26.07.2027	27.07.2027

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	13.06.2024	Yes

Does the capital market instrument have a rating note?	No

Does the originator have a rating note?	No

Additional Explanations

The 33rd 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 1.100.000.000 and ISIN code of TRSTISB72712, has been completed on 28.10.2025. 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.