After you add and resolve the recipient, set its Type property to olCC
(literal 2)

Signature
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> I'm unable to get some new recipients added to the CC field of my
> replymail item. They appear always in the TO field.
> What i'm doing wrong?
> I'm using outlook2002
>
> ------------------------------------------------