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"HollyFrontier Corporation Fourth Quarter 2012 Earnings Release and Conference Webcast\u00A0\u00A0  DALLAS--(BUSINESS WIRE)-- HollyFrontier Corporation (NYS: HFC) plans to announce results for its quarter"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2013/01/18/hollyfrontier-corporation-fourth-quarter-2012-earn/20433416/?gen=1>