HollyFrontier Corporation (NYSE:HFC) ("HollyFrontier" or the "Company") today announced that it has priced an offering of $750 million of its 5.875% Senior Notes that will mature April 1, 2026 (the "Additional Senior Notes"), pursuant to an effective shelf registration statement that was previously filed with the Securities and Exchange Commission. The Additional Senior Notes are being offered as additional notes to the Company's outstanding 5.875% Senior Notes due 2026, which the Company sold in a public offering in March 2016 in an aggregate principal amount of $250 million. The Additional Senior Notes will be issued at a price equal to 100.098% of the principal amount thereof, plus accrued interest from October 1, 2016, resulting in a yield to maturity of 5.860%. The Company intends to use the net proceeds from the offering to prepay its $350 million term loan and for general corporate purposes, which may include a portion of the purchase price for Petro-Canada Lubricants Inc. and capital expenditures. Interest on the Additional Senior Notes will be payable on April 1 and October 1 of each year. The first interest payment on the Additional Senior Notes will be due on April 1, 2017, and will consist of interest from October 1, 2016 to that date. The offering is expected to close on November 21, 2016, subject to customary closing conditions. Citigroup Global Markets Inc., Goldman, Sachs & Co., Merrill Lynch, Pierce, Fenner & Smith Incorporated, MUFG Securities Americas Inc. and TD Securities (USA) LLC are acting as joint book-running managers for the offering. The offering is being made only by means of a prospectus supplement and accompanying prospectus, copies of which may be obtained from: Citigroup Global Markets Inc.c/o Broadridge Financial Solutions1155 Long Island AvenueEdgewood, New York 11717Toll-free: 1-800-831-9146E-mail: firstname.lastname@example.org Goldman, Sachs & Co.Prospectus Department200 West StreetNew York, New York 10282Toll-free: 1-866-471-2526E-mail: email@example.com Merrill Lynch, Pierce, Fenner & Smith IncorporatedAttn: Prospectus Department200 North College Street, 3 rd FloorNC1-004-03-43Charlotte, North Carolina 28255-0001Toll-free: 1-800-294-1322E-mail: firstname.lastname@example.org MUFG Securities Americas Inc.1221 Avenue of the Americas, 6 th FloorNew York, New York 10020Toll-free: 1-877-649-6848E-mail: email@example.com TD Securities (USA) LLC31 W 52 nd StreetNew York, New York 10019Toll-free: 1-855-495-9846 An electronic copy of the prospectus supplement and accompanying prospectus will also be available on the website of the Securities and Exchange Commission at www.sec.gov. This news release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of the Additional Senior Notes in any state or jurisdiction in which such offer, solicitation or sale of the Additional Senior Notes would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.