Mr Foster said: “Jeff has been a valuable member of Western’s leadership team and has been critical to the company’s success since 2000. His many achievements, both at Western and prior to joining Western, demonstrate his ability to guide Western as its next CEO. This appointment is consistent with our long-term succession planning. I look forward to continuing to work with Jeff in his new role.”

Mr Stevens has over twenty-five years of refining and marketing experience. In February 2009, he was appointed Western’s president and chief operating officer, responsible for all aspects of the company’s operations including the refining, retail, wholesale, and logistics business units.

Previously, he served as chief operating officer of the company beginning in April 2008, executive vice president of the company beginning in September 2005 and executive vice president of a subsidiary of the company since 2002, responsible for all of Western’s marketing and supply activities.