EI-BUD
I think you have quite a few months before this needs to be looked at. This is the quote from Wolfgang Prock-Schauer and seems to suggest that W12/13 will be the start of the integrated business.
After completion has been achieved, for a period of time bmi will operate under its own AOC. Until further information is given to you, the current set up of the company remains unchanged. We need to carry on managing the bmi business for 2012 as normal and our summer 2012 network is currently planned without any major changes
A quick e-mail to the Diamond Club might be a start?