TURKCELL İLETİŞİM HİZMETLERİ A.Ş.

Transaction in Own Shares • May 15, 2025

Summary Info	Completion of the Share Buyback Program
Update Notification Flag	Yes
Correction Notification Flag	No
Postponed Notification Flag	No

Company Performs the Buy-Back	TURKCELL İLETİŞİM HİZMETLERİ A.Ş.
Company Subject to Buy-Back	TURKCELL İLETİŞİM HİZMETLERİ A.Ş.

Type Of Buy-Back	Other
The Purpose of Buy-Back	To protect our investors and support healthy price formation due to possible developments in the short and medium-term
Board Decision Date	27.07.2016
Maximum Amount To Be Paid (TL)	1.250.000.000

Details of Buy-Back

Code of Share Subject to Buy-back	Transaction Date	Nominal Value of Shares Subject to Transaction (TRY)	Ratio To Capital (%)	Transaction Price (TRY / Unit)	Privileges, If Any, Associated With These Shares
B Grubu, TCELL, TRATCELL91M1	24.08.2016	486.575	0,022	9,82	-
B Grubu, TCELL, TRATCELL91M1	29.08.2016	315.000	0,014	9,86	-
B Grubu, TCELL, TRATCELL91M1	31.08.2016	500.000	0,023	9,98	-
B Grubu, TCELL, TRATCELL91M1	01.09.2016	10.000	0	9,99	-
B Grubu, TCELL, TRATCELL91M1	09.09.2016	361.597	0,016	9,87	-
B Grubu, TCELL, TRATCELL91M1	16.09.2016	400.000	0,018	9,77	-
B Grubu, TCELL, TRATCELL91M1	30.09.2016	205.000	0,009	9,74	-
B Grubu, TCELL, TRATCELL91M1	04.10.2016	155.000	0,007	9,76	-
B Grubu, TCELL, TRATCELL91M1	04.11.2016	310.000	0,014	9,59	-
B Grubu, TCELL, TRATCELL91M1	09.11.2016	104.000	0,005	9,59	-
B Grubu, TCELL, TRATCELL91M1	14.11.2016	105.000	0,005	9,46	-
B Grubu, TCELL, TRATCELL91M1	29.11.2016	293.640	0,013	9,36	-
B Grubu, TCELL, TRATCELL91M1	30.11.2016	500.000	0,023	9,21	-
B Grubu, TCELL, TRATCELL91M1	01.12.2016	200.000	0,009	8,94	-
B Grubu, TCELL, TRATCELL91M1	08.12.2016	109.500	0,005	9,09	-
B Grubu, TCELL, TRATCELL91M1	22.12.2016	106.000	0,005	9,4	-
B Grubu, TCELL, TRATCELL91M1	26.12.2016	180.751	0,008	9,44	-
B Grubu, TCELL, TRATCELL91M1	27.12.2016	159.000	0,007	9,43	-
B Grubu, TCELL, TRATCELL91M1	28.12.2016	155.000	0,007	9,46	-
B Grubu, TCELL, TRATCELL91M1	30.12.2016	2.159.500	0,098	9,67	-
B Grubu, TCELL, TRATCELL91M1	12.07.2018	453.950	0,021	11,01	-
B Grubu, TCELL, TRATCELL91M1	12.07.2018	904.029	0,041	11,12	-
B Grubu, TCELL, TRATCELL91M1	13.07.2018	117.000	0,005	10,98	-
B Grubu, TCELL, TRATCELL91M1	16.07.2018	629.500	0,029	11,12	-
B Grubu, TCELL, TRATCELL91M1	24.07.2018	456.000	0,021	11,4	-
B Grubu, TCELL, TRATCELL91M1	15.08.2018	923.000	0,042	10,83	-
B Grubu, TCELL, TRATCELL91M1	16.08.2018	1.458.400	0,066	10,28	-
B Grubu, TCELL, TRATCELL91M1	05.10.2018	924.000	0,042	10,82	-
B Grubu, TCELL, TRATCELL91M1	14.12.2018	1.403.000	0,064	12,15	-
B Grubu, TCELL, TRATCELL91M1	19.12.2018	332.000	0,015	12,18	-
B Grubu, TCELL, TRATCELL91M1	27.12.2018	833.325	0,038	12	-
B Grubu, TCELL, TRATCELL91M1	31.12.2018	827.750	0,038	12,08	-
B Grubu, TCELL, TRATCELL91M1	17.03.2020	406.290	0,018	12,31	-
B Grubu, TCELL, TRATCELL91M1	19.03.2020	410.000	0,019	12,18	-
B Grubu, TCELL, TRATCELL91M1	17.02.2023	1.000.000	0,045	33,88	-
B Grubu, TCELL, TRATCELL91M1	05.08.2024	1.398	0,00006	98,05	-
B Grubu, TCELL, TRATCELL91M1	21.08.2024	3.000.000	0,13636	99,87
B Grubu, TCELL, TRATCELL91M1	21.03.2025	568.296	0,02583	87,99

Completion of Buy-Back

Code of Share Subject to Buy-back	The Maximum Price Paid For The Buy-Backed Shares (TRY / Unit)	The Average Price Paid For The Buy-Backed Shares (TRY / Unit)	The Cost-Of Buy-Back Program (TRY)	Source Used in the Buy-Back Process	Total Amount Of Buy-Backed Shares (Nominal TL)	Ratio Of Buy-Backed Shares To Capital (%)
B Grubu, TCELL, TRATCELL91M1	100	26,27	563.834.214	Şirket İç Kaynakları	21.463.501	0,98

Additional Explanations

The previous share buyback program was completed following the approval of a new buyback program at the General Assembly meeting held on May 15, 2025.