Marriott Sees Q3 Adj. EBITDA $845M-$870M, Gross Fee Revenues $915M-$935M; Sees Q4 Adj. EBITDA $896M-$916M, Gross Fee Revenues $929M-$944M; FY!8 Adj. EBITDA $3.45B-$3.495B, Gross Fee Revenues $3.64B-$6.675B