Operator
Welcome to the HollyFrontier Corporation s First Quarter 2021 Conference Call and Webcast. Hosting the call today from HollyFrontier is Mike Jennings, President and Chief Executive Officer. He is joined by Rich Voliva, Executive Vice President and Chief Financial Officer; Tim Go, Executive Vice President and Chief Operating Officer; Tom Creery, President, Refining and marketing; and Bruce Lerner, President, HollyFrontier Lubricants and Specialties. [Operator Instructions] It is now my pleasure to turn the floor over to Craig Biery, Vice President, Investor Relations.
Craig, you may begin.
Director, Investor Relations
Thank you, Julie. Good morning, everyone, and welcome to HollyFrontier Corporation s First Quarter 2021 Earnings Call. This morning, we issued a press release announcing results for the quarter ending March 31, 2021. Yesterday afternoon, we issued a press release announcing our acquisition of Shell s Puget Sound Refinery. If you would like a copy of the pres