Paul Broekhuijsen

CEO

Dutch nationality, appointed CEO ad interim in April 2011, permanently as of July 2011. Based in Rotterdam, The Netherlands

Mr Broekhuijsen has extensive experience in related industries, lastly as member of the Executive Board of TBI Holdings BV.

paul.broekhuijsen@hertel.com

Frank Robben

COO

Dutch nationality, joined the company and appointed to present position in April 2011. Based in Rotterdam, The Netherlands.

Mr Robben has many years of international experience with Shell and Fluor.

frank.robben@hertel.com

Jan Bruinenberg

CFO

Dutch nationality, joined the company and appointed to present position in April 2011. Based in Rotterdam, The Netherlands.

Before joining Hertel, Mr Bruinenberg held the position of CFO at Groenenveld Group.

jan.bruinenberg@hertel.com

Kees de Korver

Executive Board Member

Dutch nationality, joined the company ad interim in May 2011 and appointed to present position in August 2011. Based in Rotterdam, The Netherlands.

Mr de Korver has many years of senior international management experience with Shell, Phillips and Honeywell and holds a MSc in Mechanical Engineering from TU Delft.

kees.dekorver@hertel.com