Date Press Release Event Transcript 10-Q / 10-K
February 24, 2016 Q4 HollyFrontier Corporation Earnings Release Listen to webcast Transcript Form 10-K
November 5, 2015 Q3 HollyFrontier Corporation Earnings Release Listen to webcast Transcript Form 10-Q
August 5, 2015 Q2 HollyFrontier Corporation Earnings Release Listen to webcast Transcript Form 10-Q
May 6, 2015 Q1 HollyFrontier Corporation Earnings Release Listen to webcast Transcript Form 10-Q

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