Rainbird on 10 February 2010
Upon further investigation, it seems like Turn10 announced that they had infact reached 2 million sales, but I can't really find an original statement from them.
http://www.forzacentral.com/forum/showthread.php?s=773a79d19ea962d1e173389e7d459ffb&t=35064
http://gamerscoreblog.com/press/archive/2010/02/09/jr263.aspx
