Biographical details of members of the Supervisory Board

Mr D.G. (Doede) Vierstra RC

Chair from 1/2/2020

Doede Vierstra (b. 1958) is a director on behalf of the Netherlands Enterprise Court at the Amsterdam Court of Appeal, member of the Supervisory Board of PGGM, member of the board of Stichting Nyenrode, chair of the Supervisory Board of KNGF Geleidehonden, member of the Supervisory Board of Leiden University Medical Centre (LUMC) and member of the Supervisory Board of the Netherlands Bach Society. He acquired his ample experience with stakeholders in his work as CFO at Nuon as well as in other positions. Through his previous role as chair of the WENB (Energy and Utility Companies Employers’ Association), he is familiar with the challenges Stedin Group faces in connection with the energy transition.

Ms H.L. (Hanne) Buis, LLM

Member

Hanne Buis (b. 1976) served as COO of Schiphol Group until 1 February 2023. Prior to that she was Chief Projects & Assets Officer and member of the Management Board of Schiphol Group and CEO of Lelystad Airport, part of Royal Schiphol Group. Before joining Lelystad Airport, she held various positions at Amsterdam Airport Schiphol where she managed complex operational processes. She has been a member of the Supervisory Board of the Netherlands Bach Society since 1 July 2022. Her other positions include that of member of the Board of the University Council of Erasmus University, and Secretary of STAK W. Th. Zandstra Beheer B.V.

Mr T.W. (Theo) Eysink, RA

Member

Theo Eysink (b. 1966) started his career at Arthur Andersen, after which he served in financial roles at KLM Catering, Spui Group and Electrabel between 1996 and 2006. From 2006 to 2010, he was VP Finance at Bombardier Transportation Holding, before being appointed CFO at Stork Technical Services in 2010. At present, Theo is CFO of the Business Market division of KPN. He is a sound financial leader with experience of a range of sectors. In addition, particularly in his more recent years at KPN, he acquired extensive experience with new business models. Theo is also a member of the Supervisory Board of Vesteda Investment Management B.V.

Mr A.P.G. (Arco) Groothedde

Member

Arco Groothedde (b. 1964) is a director at housing cooperative Eigen Haard. Prior to that, he was CEO at Translink Systems, member of the Executive Board of the Land Registry Office (Kadaster) and divisional manager at the National Vehicle and Driving Licence Registration Authority (RDW). Arco’s extensive experience in managing the digital transformation at the Land Registry Office and Translink are very useful to Stedin Group. He is highly committed to customer-oriented services with a social relevance, as reflected in his experience as Supervisory Board member at DSW Zorgverzekeringen and ROC Aventus (until 30 April 2023), among other things.

Ms A.J. (Annie) Krist

Member

Annie Krist (b. 1960) commenced her career at N.V. Nederlandse Gasunie in 1987, in the marketing department. After holding various management positions, she joined the management team of Gasunie Transport Services (GTS) in 2005. From 2008 to 2011, she was Director of Strategy and Participations. She was also Managing Director and member of the Executive Board and CEO of GTS. Krist was appointed as GasTerra’s new CEO with effect from 1 April 2017. She is also a member of the board of Vereniging Energie Nederland, board member of the Platform Groen Gas, Associate Member of the International Gas Union, board member of Stichting Fondsbeheer Culturele Relatie-Evenementen Gasunie/GasTerra of the Groninger Museum, member of the Advisory Board of the Clingendael International Energy Programme, board member of Stichting ter Bevordering van de Ruimtelijke Wetenschappen, member of the Governing Board and Executive Committee at Eurogas and Chair of the Supervisory Board of Stichting Kinderopvang Stad Groningen.