QUARTERLY CONFERENCE CALLS

MDA YE & Q4 Preliminary results

MDA Annual General Meeting 2007

Q3 - 2007 Earning, October 30, 2007
Q2 - 2007 Earning, July 26, 2007
Q1 - 2007 Earnings, May 1, 2007

MDA Year End & Q4 Conference Call, February 28, 2007
Q3 - 2006 Earnings, October 31, 2006
Q2 - 2006 Earnings, July 26, 2006
Q1 - 2006 Earnings, May 2, 2006

Annual General Meeting, May 3, 2006