BORUSAN BİRLEŞİK BORU FABRİKALARI SANAYİ VE TİCARET A.Ş.

Board/Management Information • Oct 30, 2025

Company Management

Top Management

Name-Surname	Title	Profession	Positions Held in the Company in the Last 5 Years	Current Positions Held Outside the Company
Zafer Atabey	Chief Executive Officer- CEO	Business and administration professionals	Deputy General Manager
Uğur Onbaşı	Executive Committee Member-USA Large Diameter Pipe Segment	Business and administration professionals	Executive Committee Member- Infrastructure and Project Segment
ALİ OKYAY	Executive Committee Member-Automotive Segment	Industrial Engineer	Sales Director for Automotive and White Appliances Segment
OĞUZHAN KUŞCUOĞLU	Executive Committee Member- Borusan Pipe US Operations	Economist	Executive Committee Member- Construction and General Industry Segment
ANIL KARACA	Executive Committee Member-Financial Affairs and Foreign Trade	Business and administration professionals
NİHAN ALHAN	Executive Committee Member-Human and Sustainability	Business and administration professionals
SERDAR BİRLİKCİ	Executive Committee Member- Digital Technologies and New Product	Electronics Engineer
DIMITRIS DIMOPOULOS	Executive Committee Member- Chief Technical and Quality Officer for US Operations	Engineer	Borusan Berg Pipe Chief Operating Officer
JOEL JOHNSON	Advisor to the Chairman of the Executive Committee	Engineer	Executive Committee Member - USA OCTG Segment