[CONSOLIDATION_METHOD_TITLE] [CONSOLIDATION_METHOD]
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English
oda_MaterialEventDisclosureGeneralAbstract|
Material Event Disclosure General
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Update Notification Flag
Evet (Yes)
oda_CorrectionAnnouncementFlag|
Correction Notification Flag
Hayır (No)
oda_DateOfThePreviousNotificationAboutTheSameSubject|
Date Of The Previous Notification About The Same Subject
19.12.2025
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Postponed Notification Flag
Hayır (No)
oda_AnnouncementContentSection|
Announcement Content
oda_ExplanationSection|
Explanations
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It has been publicly announced on 19.12.2025 that negotiations had been initiated with our partner with a view to establishing a structure (i) whereby Cenal Karabiga Thermal Power Plant, which is under the control of our affiliate Alcen Enerji Dağıtım ve Perakende Satış Hizmetleri Anonim Şirketi ("Alcen")  subject to the joint management of our affiliate Alarko Enerji A.Ş. ("Alarko Enerji")  and Cengiz Enerji Sanayii ve Ticaret Anonim Şirketi ("Cengiz Enerji") would be held under control of Cengiz Enerji, (ii) while all shares of the companies controlled by Alcen and operating in electricity distribution (MEDAŞ), electricity sale (MEPAŞ and MESAŞ) and other related business areas would be held under control of Alarko Enerji. In this regard, following the achievement of mutual agreement, a preliminary protocol has been executed between Alarko Enerji and Cengiz Enerji as of today.

Further information regarding developments related to this matter will be disclosed in due course.

This is hereby announced to the public.

The English translation of this disclosure is attached hereto. In case of any discrepancy between the Turkish and English versions, the Turkish version shall prevail.