Summary Info	Share Buyback Transactions Dated July 14, 2026
Update Notification Flag	Yes
Correction Notification Flag	No
Postponed Notification Flag	No

Company Performs the Buy-Back	GSD HOLDİNG A.Ş.
Company Subject to Buy-Back	GSD HOLDİNG A.Ş.

Type Of Buy-Back	Within The Frame Of Buy-Back Program
Board Decision Date	20.03.2025
If Any, Duration Of Buy-Back Program	3 Years
Maximum Amount Of Shares To Be Acquired (Nominal TL)	100.000.000
Total Amount Of The Fund Set Aside For Acqusition	500.000.000

Scheduled Period Of Buy-Back

Code of Share Subject to Buy-back	Starting Date Of Period	Ending Date Of Period	Nominal Value (TRY)	Ratio To Capital (%)
D Grubu, GSDHO, TRAGSDHO91Q9	20.03.2025	20.03.2028	100.000.000	10

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)	Nominal Value Of Shares Previously Buy-Backed Within The Frame Of The Program (TRY)	Privileges, If Any, Associated With These Shares
D Grubu, GSDHO, TRAGSDHO91Q9	07.04.2025	8.292.251	0,82923	4,012		-
D Grubu, GSDHO, TRAGSDHO91Q9	09.04.2025	1.300.000	0,13	4,255		-
D Grubu, GSDHO, TRAGSDHO91Q9	29.04.2025	2.590.000	0,259	4,125		-
D Grubu, GSDHO, TRAGSDHO91Q9	27.04.2026	11.500.000	1,15	5,005
D Grubu, GSDHO, TRAGSDHO91Q9	12.05.2026	543.450	0,05435	5,403
D Grubu, GSDHO, TRAGSDHO91Q9	14.07.2026	12.379.957	1,238	5,199

Additional Explanations

Pursuant to the scope of the share repurchase transactions initiated by the Board of Directors' decision of our Company dated on 20.03.2025;

With a price range of 5.15 TL – 5.20 TL (weighted average 5.1995 TL) summing up to GSDHO shares with nominal value of 12,379,957 TL were repurchased on 14.07.2026.

The total value of the shares repurchased as of 14.07.2026, including the shares which have not yet been disposed of from the shares acquired by our Company through the last buyback program, is 136,605,770.2 TL and the ratio of these shares to the capital is 13.6606%.

We hereby inform the public of these details.

This statement was translated into English for informational purposes. In case of a discrepancy between the Turkish and the English versions of this disclosure statement, the Turkish version shall prevail.