Combining Outlook/Exchange Global Address lists

[hal2pro]

Any good LDAP script writers out there?

I would like to create new external address lists in exchange 2000 Global Address List.

How would I combine these two filters:
Contacts:
(&(&(& (mailnickname=*) (| (&(objectCategory=person)(objectClass=contact)) ))))

external email reciepients are in this grouping:
(&(&(&(& (mailnickname=*) (| (objectCategory=group)(objectCategory=publicFolder) )))(extensionAttribute1=External)))

Thank-You all again.