10:30 AM EST - Fronteer Development Group Inc. : announced that it has filed with securities regulators in Canada and the United States and has commenced the mailing of its formal offer to acquire all of the outstanding common shares of Aurora Energy Resources Inc. that it does not already own on the basis of 0.825 of a Fronteer common share for each Common Share held. Fronteer Development Group Inc.
shares T.FRG are trading up $0.10 at $2.50.