X0306 4 2018-04-13 1 0001585689 Hilton Worldwide Holdings Inc. HLT 0001701408 HNA Tourism Group Co., Ltd. HNA BUILDING, NO. 7 GUOXING ROAD HAIKOU F4 570203 CHINA 0 0 1 0 0001701124 HNA Group Co., Ltd. HNA BUILDING, NO. 7 GUOXING ROAD HAIKOU F4 570203 CHINA 0 0 1 0 0001701048 HNA Tourism (HK) Group Co., Ltd. HNA BUILDING, NO. 7 GUOXING ROAD HAIKOU F4 570203 CHINA 0 0 1 0 0001701049 HNA HLT Holdco III Ltd HNA BUILDING, NO. 7 GUOXING ROAD HAIKOU F4 570203 CHINA 0 0 1 0 0001701127 HNA HLT Holdco II LLC HNA BUILDING, NO. 7 GUOXING ROAD HAIKOU F4 570203 CHINA 0 0 1 0 0001701047 HNA HLT Holdco I LLC HNA BUILDING, NO. 7 GUOXING ROAD HAIKOU F4 570203 CHINA 0 0 1 0 Common Stock, par value $0.01 per share 2018-04-13 4 S 0 66000000 73.00 D 16500000 I See Explanation Reflects shares of common stock directly owned by HNA HLT Holdco I LLC ("SPV I") and indirectly owned by HNA HLT Holdco II LLC ("SPV II"), HNA HLT Holdco III Limited ("SPV III"), HNA Tourism (HK) Group Co., Ltd. ("HNA Tourism HK"), HNA Tourism Group Co., Ltd.("HNA Tourism") and HNA Group Co., Ltd. ("HNA Group"). SPV I is a wholly-owned subsidiary of SPV II. 100% of the voting interests of SPV II are controlled by SPV III. SPV III is a wholly owned subsidiary of HNA Tourism HK. HNA Tourism HK is a wholly-owned subsidiary of HNA Tourism. HNA Tourism is a majority-owned subsidiary of HNA Group. Exhibit 99.1 - Joint Filer Information, incorporated herein by reference. /s/ TIAN Jianjun 2018-04-13