This ability to create an audience and exclude anyone with an email on the master suppression list

Description -

This ability to create an audience and exclude anyone with an email on the master suppression list

Why is this feature important to you:

Allows accurate counts for email campaigns

How would you like the feature to work:

1) ability to create an audience that could be added as an exclusion OR exported for source system clean up. 

Current Behaviour - Not possible.