X0101 EFFECT 33 LIVE 2007-08-01 12:00:00

N-14

0001019290 PIONEER INTERNATIONAL EQUITY FUND 333-143882 0001019290 PIONEER INTERNATIONAL EQUITY FUND S000004010 Pioneer International Equity Fund C000011218 Pioneer International Equity Fund: Class A 0001331854 Pioneer Series Trust IV S000010112 Pioneer International Core Equity Fund C000028050 Pioneer International Core Equity Fund: Class A 0001019290 PIONEER INTERNATIONAL EQUITY FUND S000004010 Pioneer International Equity Fund C000011219 Pioneer International Equity Fund: Class B 0001331854 Pioneer Series Trust IV S000010112 Pioneer International Core Equity Fund C000028051 Pioneer International Core Equity Fund: Class B 0001019290 PIONEER INTERNATIONAL EQUITY FUND S000004010 Pioneer International Equity Fund C000011220 Pioneer International Equity Fund: Class C 0001331854 Pioneer Series Trust IV S000010112 Pioneer International Core Equity Fund C000028052 Pioneer International Core Equity Fund: Class C 0001019290 PIONEER INTERNATIONAL EQUITY FUND S000004010 Pioneer International Equity Fund C000011221 Pioneer International Equity Fund: Class Y 0001331854 Pioneer Series Trust IV S000010112 Pioneer International Core Equity Fund C000028053 Pioneer International Core Equity Fund: Class Y