AMENDMENT TO LOAN AGREEMENT

Exhibit 10.15.1

FIRST AMENDMENT TO LOAN AGREEMENT

Dated as of December 26, 2007

By and Between

INTERSTATE WESTCHASE, LP,

as Borrower,

and

UBS REAL ESTATE SECURITIES INC.,

as Lender

AMENDMENT TO LOAN AGREEMENT

          THIS AMENDMENT TO LOAN AGREEMENT, dated as of December 26 ^th , 2007 this “Amendment”), by and between the INTERSTATE WESTCHASE, LP, a Delaware limited partnership (“Borrower”), having its address at c/o Interstate Hotels & Resorts, Inc., 4501 North Fairfax Drive, Arlington, Virginia 22203 and UBS REAL ESTATE SECURITIES INC., a Delaware corporation, having an address 1285 Avenue of the Americas, New York, New York 10019 (“Lender”).

W I T N E S S E T H:

           WHEREAS, Borrower and Lender have executed and delivered a Loan Agreement dated as of February 8, 2007 (the “Original Loan Agreement”) which evidenced a loan made by Lender to Borrower in the original principal amount of Thirty-Two Million Eight Hundred Twenty-Five Thousand and No/ 100 Dollars (32,825,000.00) (the “Original Loan Amount”); and

          WHEREAS, Borrower and Lender desire to amend the Original Loan Agreement as more particularly set forth herein (the Original Loan Agreement as amended by this Amendment is hereafter referred to as the “Loan Agreement”).

           NOW, THEREFORE, in consideration of the sum of Ten Dollars ($10.00) and for other good and valuable consideration, each to the other given, the receipt and sufficiency of which are hereby acknowledged, Borrower and Lender hereby agree that the Original Loan Agreement is hereby amended to read as follows:

          1. Sections Modified:

     ( ⁱ ) For all purposes under the Loan Agreement, Section 4.1.6(d) shall be added or deleted and replaced with the following:

          “(d) Annual Reports. Within ninety (90) days after the end of each calendar year of Borrower’s operation of the Property, Borrower will furnish to Lender a complete copy of Borrower’s, annual financial statements prepared in accordance with GAAP covering the Property for such fiscal year and containing statements of profit and loss for Borrower and the Property and a balance sheet for Borrower. Such statements shall set forth the financial condition and the results of operations for the Property for such Fiscal Year, shall include (hut not be limited to) amounts representing annual Net Cash Flow, Gross Income from Operations, Operating Expenses and Capital Expenditures and shall be accompanied by a reasonably detailed schedule of all Capital Expenditures for such fiscal year. Borrower’s annual financial statements shall be accompanied by (i) a comparison of (A) the budgeted income and expenses and Capital Expenditures and (B) the actual income and expenses and Capital Expenditures for the prior fiscal year, (ii) an Officer’s Certificate stating that, to such officer’s knowledge after reasonable inquiry, each such annual financial statement presents fairly the financial condition and the resul