Mr. DeBoni is a corporate director and has extensive experience in the oil and gas industry. Mr. DeBoni retired  from Husky Energy Inc. in 2005 where he held the position of vP, Canada Frontier & International Business.  Prior to this Mr. DeBoni was CEO of Bow valley Energy. In addition to his time at Husky and Bow valley he has  also held numerous top executive posts in the oil and gas industr y with major corporations. Mr. DeBoni holds  a B.A.Sc. Chem. Eng. from the University of British Columbia, and a MBA degree with a major in Finance from  the University of Calgary. He is a past Chairman of the Petroleum Society of CIM, a past director of the Society  of Petroleum Engineers and has been a director of ARC since 1996. Mr. DeBoni currently serves on the boards  of niko Resources Ltd., and Sterling Resources Ltd. Mr. Dielwart is Chief Executive Officer of ARC and has overall management responsibility for ARC. Prior to  joining ARC in 1994, Mr. Dielwart spent 12 years with a major Calgary based oil and natural gas engineering  consulting firm, as senior vice-president and a director, where he gained extensive technical knowledge of  oil and natural gas properties in western Canada. He began his career working for five years with a major  oil and natural gas company in Calgary. Mr. Dielwart is a Past-Chairman of the board of governors for the  Canadian Association of Petroleum Producers (CAPP). He holds a Bachelor of Science with Distinction  (Civil Engineering) degree, University of Calgary. He has been a director of ARC since 1996. Mr. Dyment has extensive experience in the oil and gas business and is currently an independent  businessman. His past business career included positions as President and CEO for Maxx Petroleum and  President and CEO of Ranger Oil Limited. Mr. Dyment received a Chartered Accountant designation from  the province of Ontario in 1972. Mr. Dyment currently sits as a director on the Boards of Tesco Corporation,  Western zagros Resources Ltd. and Transglobe Energy Corporation. He has been a director of ARC since 2003. WAlter deBoni  p.eng., MBA JoHn p. dielWArt  B.sc., p.eng. fred dyMent 34 10 ARC ResouRCes AnnuAl  report director BiogrApHies