cheyenne refineryel dorado refinerynavajo refinerytulsa refinerywoods cross refinery products light productslubricants & specialty productsasphalt & heavy productssafety data sheets transportation trucking investor relations press releasesevents & presentationsstock information stock quote & charthistoric stock lookupinvestment calculatordividend historyanalyst coverage financial information sec filingsannuals and proxyquarterly results hollyfrontier indexcorporate governance shareholder services investor faqsstock transfer agentcontact ir careerscontact us home about us corporate profilemission & values communityenvironment health and safety company historyleadershipholly energy partners operations refineries cheyenne refineryel dorado refinerynavajo refinerytulsa refinerywoods cross refinery products light productslubricants & specialty productsasphalt & heavy productssafety data sheets transportation trucking investor relations press releasesevents & presentationsstock information stock quote & charthistoric stock lookupinvestment calculatordividend historyanalyst coverage financial information sec filingsannuals and proxyquarterly results hollyfrontier indexcorporate governance shareholder services investor faqsstock transfer agentcontact ir careerscontact us nyse hfc 23.57 0.08 0.34 % volume 3 489 007 10 14 2016 pm et health & safety we put health and safety first . we conduct our business with primary emphasis on the health and safety of our employees contractors and neighboring communities . we continuously strive to raise the bar guided by our health and safety performance standards . environmental stewardship we care about the environment . we are committed to minimizing environmental impacts by reducing wastes emissions and other releases . we understand that it is a privilege to conduct our business in the communities where we operate . corporate citizenship we obey the law . we are committed to promoting sustainable social and economic benefits wherever we operate . honesty & respect we tell the truth and respect others . we uphold high standards of business ethics and integrity enforce strict principles of corporate governance and support transparency in all our operations . one of our greatest assets is our reputation for behaving ethically in the interests of employees shareholders customers business partners and the communities in which we operate and serve . continuous improvement we continually improve . innovation and high performance are our way of life . our culture creates a fulfilling environment which enables employees to reach their potential . we believe in creating our own destiny and that a constructive attitude toward change is essential . home refinery locations learn more products learn more investors learn more mission & values learn more supplier relations learn more customer portal learn more normal latest news hollyfrontier corporation third quarter 2016 earnings release and conference webcast october 3 2016 hollyfrontier corporation reports quarterly results and announces regular cash dividend august 3 2016 careers accessibility eeo site map privacy terms of use copyright 2016 hollyfrontier corporation powered by q4 inc. 4.2.1.54