Originally Posted by JenGal

To a number of above posts: notwithstanding the potential issue if you opened a MP card or OP card since mid-July 2011, I can confirm that as a holder of an active MP visa (old) and OP mc (opened early 2011) I was able to receive the Explorer card and have 50,000 bonus miles already posted to my MP account. I can verify the exact same outcome for a friend, under the same conditions. Others on FT have also verified.