THIRD AMENDMENT TO INVESTMENT ADVISORY AGREEMENT FOR THE OAKMARK GLOBAL FUND

Exhibit 99.(d)(17)

THIRD AMENDMENT TO

INVESTMENT ADVISORY AGREEMENT

FOR

THE OAKMARK GLOBAL FUND

XXXXXX ASSOCIATES INVESTMENT TRUST, a Massachusetts business trust registered under the Investment Company Act of 1940, as amended, as an open-end diversified management investment company (the “Trust”), and XXXXXX ASSOCIATES L.P., a Delaware limited partnership registered under the Investment Advisers Act of 1940, as amended, as an investment adviser (the “Adviser”), agree that paragraph 6 of the investment advisory agreement between the parties for The Oakmark Global Fund (the “Fund”) dated October 30, 2000, as heretofore amended, is further amended as of the date of this amendment to read as follows:

6.             Compensation of Adviser.  For the services to be rendered and the charges and expenses to be assumed and to be paid by the Adviser hereunder, the Trust shall pay out of Fund assets to the Adviser a monthly fee, based on the Fund’s net assets as of the last business day of the preceding month, at the annual rate of 1.00% up to $2.0 billion, 0.95% from $2-4 billion, 0.90% from $4-8 billion and 0.875% in excess of $8.0 billion.  The fee for a month shall be paid as soon as practicable after the last day of that month.  The fee payable hereunder shall be reduced proportionately during any month in which this agreement is not in effect for the entire month.

Dated:    November 1, 2007

		XXXXXX ASSOCIATES INVESTMENT TRUST
		By:	/s/ Xxxx X. Xxxxx
		XXXXXX ASSOCIATES L.P.
		by Xxxxxx Associates, Inc.
		its General Partner
		By:	/s/ Xxxx X. Xxxxx