A two-for-one stock split was approved February 24, 2015. One additional Common Share for each Common share held was issued to each shareholder of record at the close of business March 11, 2015, and mailed to shareholders on or about March 25, 2015.
A two-for-one stock split was approved November 4, 2010. One additional Common Share for each Common Share held was issued to each shareholder of record at the close of business November 16, 2010, and mailed to shareholders on or about November 24, 2010.
For the period from November 15, 2004 to May 7, 2006, the TSX had designated the Class A Subordinate Voting Share symbol as MG.SV.A. and for the period May 8, 2006 to August 31, 2010, the Class A Subordinate Voting Share symbol was MG.A.