Biographical details of members of the Supervisory Board

Mr P.E.G. (Pieter) Trienekens (chair and member of the Supervisory Board until 1 February 2020)

Pieter Trienekens (b. 1950) was acting managing director at Stedin Netbeheer B.V. from 2014 to 2017. From 1986 to 2011, he worked at Nederlandse Gasunie, holding various positions including that of member of the Management Board. His previous positions included that of policy advisor at the Ministry of Economic Affairs. He chairs the Supervisory Board of Cuculus GMbH in Ilmenau, Germany and is a member of the Supervisory Board of DNV GL Energy in Arnhem.

Mr D.G. (Doede) Vierstra (chair of the Supervisory Board from 1 February 2020)

Doede Vierstra (b. 1958) is a director on behalf of the Netherlands Enterprise Court at the Amsterdam Court of Appeal and chair of the Investment Committee of the Friesland Clean Energy Fund (FSFE). In the past, he was chair of the WENB. He is therefore familiar with the challenges that Stedin Group faces in connection with the energy transition. He acquired his ample experience with public stakeholders, including public shareholders, in his work as CFO of Nuon as well as in other positions.

Ms H.L. (Hanne) Buis, LLM

Hanne Buis (b. 1976) has been a member of the Board of Management of Schiphol Group, as Chief Projects & Assets Officer, since June 2020. Before this, she was managing director of Lelystad Airport, which is part of Royal Schiphol Group. Before joining Lelystad Airport, she held various positions at Amsterdam Airport Schiphol, where she managed complex operational processes. She is a member of the Supervisory Board of the Netherlands Bach Society.

Mr T.W. (Theo) Eysink RA

Theo Eysink (b. 1966) started his career at Arthur Andersen, after which he worked in financial positions at KLM Catering, Spuigroep 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 2012, he became EVP Corporate Control at KPN, and in 2018, he was appointed CFO of the Business Market division of KPN. Mr Eysink is a member of the Supervisory Board of Vesteda Investment Management B.V.

Mr A.P.G. (Arco) Groothedde

Arco Groothedde (b. 1964) was CEO at Translink Systems, the company behind the public transport card, until mid-2020. Before that, he served in executive positions at the Land Registry Office and the National Vehicle and Driving License Registration Authority (RDW). Currently, he is an independent consultant and a member of the Supervisory Board at DSW Zorgverzekeringen.

Ms A.J. (Annie) Krist

Annie Krist (b. 1960) commenced her career at N.V. Neder­landse Gasunie in 1987. In the late 1990s, she was member of the Gasunie team that was responsible for the commercial, technical and IT modifications resulting from the deregu­lation of the gas market. In 2005, she joined the management team of Gasunie Transport Services. From 2008 to 2011, she was director for Strategy and Participations. On 1 July 2011, she was appointed managing director. From 1 May 2016 to 1 April 2017, Annie was a member of the Executive Board and CEO of Gasunie Transport Services. She was appointed CEO of GasTerra in 2017.

Mr D. (Dick) van Well

Dick van Well (b. 1948) served as a member of the Super­visory Board of Stedin Netbeheer B.V. from 2012 to 2017. From 1998 to October 2010, he chaired the Management Board of construction company Dura Vermeer, where he had worked since 1973 and had held various positions. His other positions include that of member of the Supervisory Board of Dura Vermeer Groep N.V. and of APG Groep N.V. Mr Van Well is also a director of the Stichting Continuïteit Feijenoord (Feijenoord Continuity Foundation).

All members of the Supervisory Board of Stedin Group have Dutch nationality.