But he had to watch as his party was roundly defeated by the New Democrats, who will form a majority government.
Prentice first won his seat in a byelection in October after he was elected Tory leader to replace Alison Redford.
Prentice, 58, came to the provincial scene with a wealth of experience in federal politics.
He was first elected as an MP in Calgary in 2004 and was re-elected when the Conservatives won their first minority in 2006.
He served in several ministries, including Indian and Northern Affairs, Industry and Environment before leaving federal politics in 2010.
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