John Dielwart - TransAlta Independent Director

Mr. John P. Dielwart serves as Independent Director of TransAlta Corporation since October 1, 2014. Mr. Dielwart was formerly Chief Executive Officer of ARC Resources Ltd., which owns and operates oil and gas properties in Western Canada. He oversaw the growth of ARC Resources Ltd. from startup in 1996 to a company with a market capitalization of approximately 10 billion. After his retirement from ARC Resources Ltd. on January 1, 2013, Mr. Dielwart rejoined ARC Financial Corporationration as ViceChairman. ARC Financial is Canadas leading energyfocused private equity manager. Mr. Dielwart provides leadership support for the executive team in the areas of internal governance and investment decisionmaking. With his extensive background in creating, building and leading one of Canadas most successful oil and gas companies, mentorship of ARC Financial employees as well as management of ARC Financials investee companies is a primary responsibility. He is a member of ARC Financials Investment and Strategy committees, and currently represents ARC Financial on the board of Modern Resources Ltd. and Aspenleaf Energy Limited. Prior to joining ARC Financial in 1994, Mr. Dielwart spent 12 years with a major Calgarybased oil and natural gas engineering consulting firm, as senior vicepresident and a director, where he gained extensive technical knowledge of oil and natural gas properties in Western Canada. Mr. Dielwart has a BS with distinction degree from the University of Calgary. He is a member of the Association of Professional Engineers and Geoscientists of Alberta and is a PastChairman of the Board of Governors of the Canadian Association of Petroleum Producers . In 2015, Mr. Dielwart was inducted into the Calgary Business Hall of Fame. Mr. Dielwart is also the CoChair of the Sheldon Kennedy Child Advocacy Centre. since 2014.