Something like this, in say E2:
=SUMPRODUCT((TEXT(B2:B5,"mmmyy")="Jun09")*(ISERROR (MATCH(C2:C5,{"X";"Y"},0)))*(D2:D5<"Z"),A2:A5)
Adapt the ranges to suit

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"freebee" wrote:
Hi, I need to sum the following:
Sum qty in Col. A if Col.B shows June dates, but exclues if Col.C=X and Y,
and exclude if Col.D=Z
I'm using Excel 2003
Can someone help? Thank you