Mitel US Holdings, Inc.

October 20, 2017 ShoreTel, Inc., its board of directors, Mitel US Holdings, Inc., Shelby Acquisition Corporation, and Mitel Networks Corporation are facing a lawsuit that claims they issued a misleading recommendation statement in connection with a proposed merger.

August 31, 2017 ShoreTel, Inc., its board of directors, Shelby Acquisition Corporation, Mitel US Holdings, Inc. and Mitel Networks Corporation are facing a proposed securities class action over a proposed merger between ShoreTel and Shelby.