CDCY Compudyne Corp (MM)

CompuDyne Corporation (Nasdaq:CDCY) will host a conference call and simultaneous webcast of its 1st Quarter 2007 results on Friday, May 11, 2007 at 4:30 PM Eastern Daylight Saving Time. This call is being webcast by Thomson/CCBN and can be accessed at CompuDyne�s website at www.compudyne.com. Select Investor Relations and click on the Event Calendar tab. The webcast is also being distributed through the Thomson StreetEvents Network. Individual investors can listen to the call at www.earnings.com, Thomson�s individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson StreetEvents (www.streetevents.com), a password-protected event management site. If you are unable to listen to the live presentation, a taped encore presentation of the call will be available after 11:00 AM. To access the taped presentation please dial 888-286-8010 and enter passcode # 18829718.