MCLEAN, Va.–(BUSINESS WIRE)–The Board of Directors of Hilton Worldwide Holdings Inc. (NYSE: HLT) has authorized the repurchase of an additional $1 billion of common stock under the Company’s existing stock repurchase program, bringing the total amount currently authorized for repurchase to approximately $1.3 billion. Hilton may purchase shares in the open market, in privately negotiated transactions or in such other manner as determined by Hilton, including through repurchase plans complying