MI Developments notice of release of first quarter 2010 results and annual
meeting

AURORA, ON, April 29 /CNW/ - MI Developments Inc. ("MID") (TSX: MIM.A, MIM.B; NYSE: MIM) will announce its financial results for the first quarter ended March 31, 2010 on Thursday, May 6, 2010 after the close of business.

MID will hold its annual shareholders' meeting on Friday, May 7, 2010 at Le Parc, 8432 Leslie Street, Thornhill, Ontario, Canada, commencing at 10:00 a.m. EST. The meeting will be webcast live at www.midevelopments.com.

About MID: MID is a real estate operating company engaged primarily in the acquisition, development, construction, leasing, management and ownership of a predominantly industrial rental portfolio leased primarily to Magna International Inc. and its automotive operating units in North America and Europe. MID also acquires land that it intends to develop for mixed-use and residential projects.

For further information: about MID, please visit www.midevelopments.com or call [phone]; At www.sedar.com and www.sec.gov you can also find MID's filings