EX-10.15 7 appendixb10-15.txt AMENDMENT DD. FEBRUARY 21, 2001, TO INVESTORS FUNDS CUSTODIAN AGREEMENT APPENDIX B U.S. GLOBAL INVESTORS FUNDS The following authoried sources are to be used for pricing and foreign exchange quotations, corporate actions, dividends and rights offerings: AUTHORIZED SOURCES Bloomberg Extel (London) Fund Managers Interactive Data Corporation Reputable Brokers Reuters Subcustodian Banks Telekurs Valorinform (Geneva) Reputable Financial Publications Stock Exchanges Financial Information Inc. Card JJ Kenny FRI Corporation Merrill Lynch Pricing Service Muller Bridge Approved: /s/ Susan B. McGee ------------------ Date: February 21, 01