Master CNE

If I've passed following exams, what will I need to achieve Master CNE
before June 8, 2007;

050-677 - NetWare 6: Foundations Of Novell Networking
050-681 - Novell Network Management: NetWare 6
050-691 - NetWare 6.5 Advanced Novell Network Admin
050-694 - ZENworks 7.0 Desktop Management

Basically, do I complete 1 more elective only?