iWork 09 9.0.1
iWork ’09 Update 1 is recommended for all iWork ’09 users.
Keynote 5.0.1 improves reliability when deleting Keynote files, copying slides between presentations, or working with transitions and builds.
Pages 4.0.1 improves reliability when working with EndNote X2 or MathType 6, or deleting Pages files.
Numbers 2.0.1 improves reliability when deleting Numbers files, importing Microsoft XLSX files, customizing the toolbar, working with some functions, or working with charts.