AUTO1 Group CFO Christian Wallentin Steps Down for Family Reasons as CEO Christian Bertermann Assumes Finance Responsibilities on an Interim Basis

AUTO1 Group CFO Christian Wallentin Steps Down for Family Reasons as CEO Christian Bertermann Assumes Finance Responsibilities on an Interim Basis

(IN BRIEF) AUTO1 Group SE has announced that Christian Wallentin has stepped down as Chief Financial Officer and left the Management Board at his own request for family reasons. Wallentin will remain available to the company in a senior advisor role, while AUTO1 Group’s Supervisory Board continues an advanced search for his successor. In the interim, Christian Bertermann, CEO and Co-Founder of AUTO1 Group, has assumed all CFO responsibilities with immediate effect. Hakan Koç, Chairman of the Supervisory Board, thanked Wallentin for his leadership and said the company’s management team remains focused on delivering against its long-term targets during the transition. Wallentin also thanked employees for their trust and support and said he believes AUTO1 Group is well positioned to continue creating value for customers and shareholders.

(PRESS RELEASE) BERLIN, 9-Sep-2026 — /EuropaWire/ — AUTO1 Group SE has announced that Christian Wallentin has stepped down as Chief Financial Officer and left the company’s Management Board at his own request for family reasons.

Wallentin will remain available to AUTO1 Group in a senior advisor capacity, while the company’s Supervisory Board continues an advanced search for his successor.

With immediate effect, Christian Bertermann, CEO and Co-Founder of AUTO1 Group, will assume all CFO responsibilities on an interim basis until a permanent appointment is made.

Christian Wallentin leaves Management Board

AUTO1 Group said Wallentin’s departure is effective immediately and follows his decision to step down for personal family reasons.

Although he is leaving the Management Board, Wallentin will continue supporting the company as a senior advisor.

The arrangement is intended to ensure continuity and provide the business with access to his experience during the leadership transition.

Supervisory Board search for successor at advanced stage

The Supervisory Board of AUTO1 Group said it is already in an advanced phase of identifying a new Chief Financial Officer.

Until a successor is appointed, CEO and Co-Founder Christian Bertermann will take over the finance responsibilities previously held by Wallentin.

The company said its broader leadership team remains focused on progressing toward AUTO1 Group’s long-term strategic and financial objectives.

Hakan Koç thanks outgoing CFO for leadership

Hakan Koç, Chairman of the Supervisory Board of AUTO1 Group, thanked Wallentin for his leadership and contribution to the company during his time as CFO.

Koç said the Supervisory Board regrets Wallentin’s decision but respects the personal reasons behind it and wishes him well for the future.

He added that AUTO1 Group’s leadership team will continue working toward the company’s long-term targets while the search for a permanent CFO progresses.

Wallentin highlights AUTO1 Group’s long-term position

Christian Wallentin, outgoing CFO of AUTO1 Group, thanked colleagues across the company for their trust, commitment and understanding of his decision.

He said AUTO1 Group remains well positioned to create value for customers and shareholders over the years ahead and wished the company’s team continued success.

Leadership continuity remains priority

AUTO1 Group’s decision to assign CFO responsibilities temporarily to CEO Christian Bertermann is designed to maintain continuity while the Supervisory Board completes the succession process.

Bertermann, as CEO and Co-Founder, will oversee the company’s financial responsibilities in addition to his existing executive duties until a new CFO is appointed.

About AUTO1 Group
Founded in 2012, AUTO1 Group is Europe’s leading digital automotive platform for buying, selling, and financing used cars. By leveraging technology and data, AUTO1 Group is maximizing value for consumers and partner dealers in Europe across three brands: wirkaufendeinauto.de, Autohero and AUTO1.com. With wirkaufendeinauto.de and its sister brands, the Group offers consumers a fast and easy way to sell their cars. Its Retail brand Autohero makes choosing, buying, and financing high-quality used cars easy and stress-free. AUTO1.com is Europe’s largest wholesale trading platform for car dealers, supporting them in growing their businesses. The company operates in over 30 countries, employed 8,600 people at the end of 2025, generated revenue of EUR 8.2 billion in 2025 and sold 842,000 cars in 2025. AUTO1 Group went public on the Frankfurt Stock Exchange in February 2021 and is part of the MDAX (Mid-cap German stock market index).For more information please visit www.auto1-group.com

Investor Relations Contacts
Philip Reicherstorfer
Group Treasurer
Phone: +49 (0)30 – 2016 38 213
Email: ir@auto1-group.com

Maria Shevtsova
Head of Investor Relations
Phone: +49 (0) 170 556 9259
Email: ir@auto1-group.com

Media Contact
Christine Preyer
Director PR & Communications
Phone: +49 175 64 59 192
Email: press@auto1-group.com

SOURCE: AUTO1 Group SE