Exhibit 99.(g)(4)

September 12, 2006

Investors Bank & Trust Company

200 Clarendon Street

P.O. Box 9130

Boston, Massachusetts  02117-9130

Dear Sir/Madam:

This is to advise you that Harris Associates Investment Trust (the “Trust”) has established a new series of shares to be known as “The Oakmark Global Select Fund.” The Trust hereby requests that the new series be added to Appendix A, as attached hereto, of the Custodian Agreement between the Trust and Investors Bank & Trust Company dated April 1, 2002, as amended October 21, 2004, and that Investors Bank and Trust Company act as Custodian for the new series under the terms of this Agreement.

Please indicate your acceptance of the foregoing by executing three copies of this Letter Agreement, returning two to the Trust and retaining one copy for your records.

		HARRIS ASSOCIATES INVESTMENT TRUST
		By:	/s/ Kristi L. Rowsell
			Name: Kristi L. Rowsell
			Title: Principal Financial Officer
Agreed to this 13th day of September, 2006
INVESTORS BANK & TRUST COMPANY
By:	/s/ Stephen DeSalvo
	Name: Stephen DeSalvo
	Title: Managing Director

APPENDIX A

The portfolios covered by the Agreements as of October 1, 2006:

•      The Oakmark Fund

•      The Oakmark Select Fund

•      The Oakmark Equity and Income Fund

•      The Oakmark Global Fund

•      The Oakmark International Fund

•      The Oakmark International Small Cap Fund

•      The Oakmark Global Select Fund