Creating Recurrence Event Exceptions

I can't seem to figure out how to load custom recurrence exceptions into the calendar. The end result is that I get both the exception and the master event displayed. My code is something like this:

MasterEvent = ole_calendar.DataProvider.CreateEvent()
** Set master event properties **
RecurrencePattern = MasterEvent.CreateRecurrence()
** Set recurrence properties **
ole_calendar.DataProvider.AddEvent(MasterEvent)

ExceptionEvent = ole_calendar.DataProvider.CreateEvent()
ExceptionEvent.MakeAsRException()
** Set exception event properties **
RecurrencePattern.SetException(iOleEvent)
MasterEvent.UpdateRecurrence(RecurrencePattern)
ole_calendar.DataProvider.ChangeEvent(MasterEvent)

Please help. Using version 15.0.2

Pmosh