WINTERSHALL - Key Persons

Job Titles:

• Managing Director Wintershall Dea Germany

Job Titles:

• Chief Operating Officer
• Member of the Board, Chief Operating Officer ( COO ), Region EMEA
• President of the GasNaturally Industry Association

As Chief Operating Officer (COO), Dawn Summers is responsible for the Business Units Germany, Norway, the Netherlands, UK and Denmark, Egypt, Libya, Algeria, Mexico, Argentina and UAE. Dawn Summers holds a degree in Chemical Engineering from Edinburgh University and Executive Operations Leadership from MIT Sloane School of Management. She has more than 25 years of international experience in the gas and oil industry and has worked for BP, Genel Energy, Origin Energy, and Beach Energy, among others. Dawn Summers has been President of the GasNaturally industry association, Brussels, since December 2020. Since January 2021, she has also been President of the European Board of Directors of the International Association of Oil & Gas Producers (IOGP), Brussels.

Job Titles:

• Chairman of the Supervisory Board

Job Titles:

• Head of Reservoir Services

Job Titles:

• Business Unit Head Argentina

Job Titles:

• Chairman
• Chairman of the Board
• Chief Executive Officer

Chief Executive Officer Mario Mehren is responsible for the areas of Human Resources, General Counsel, Corporate Communications, HSEQ, Strategy and M&A, and Investor Relations. Since July 2023 also the Business Unit Midstream and until the withdrawal from Russia has been fully completed, the Business Unit Russia. After completing his studies in Business Administration at Saarland University in Saarbrücken, he began his professional career in 1998 as specialist adviser in BASF's Group Accounting section. The business graduate moved to Wintershall in 2006. He joined Wintershall's Board of Executive Directors in 2011 and has been CEO from 2015. CEO Mario Mehren: "Wintershall Dea will end its Russian activities. Continuing to operate in Russia is not tenable. Russia's war of aggression in Ukraine is incompatible with our values and has destroyed co-operation between Russia and Europe. In recent months, limitations imposed by the Russian Government on operations of Western companies in the country and external interferences in our joint venture operations, made it impossible for Wintershall Dea to operate in Russia as before and resulted in an economic expropriation of the Joint Ventures in Russia."

Job Titles:

• Managing Director Wintershall Dea Mexico

Job Titles:

• Board Member in Charge of Accounting
• Member of the Board, Chief Financial Officer ( CFO )

Paul Smith is the board member in charge of Accounting and Reporting, Corporate Finance and Treasury, Information Technology, Procurement, Corporate Audit, Carbon Management & Hydrogen and Marketing and Sales. The Dutchman studied Business Organization at the Heriot-Watt University in Edinburgh and began his career at BP in Aberdeen in 1993. Afterwards, he worked for various international companies in lots of different management positions. Before joining Wintershall Dea, he was CFO and Executive Vice President Corporate Development at Vesta Energy in Calgary.

Job Titles:

• Press Contact
• Senior Vice President