SpaceDev, Inc. (OTC BB:SPDV.OB) will host a conference call to discuss its second quarter 2007 financial results on Tuesday, August 14, 2007, at 1:00 p.m. EDT. The Company expects to file its second quarter Form 10-QSB with the Securities and Exchange Commission, and issue a related press release, on Monday, August 13.

SpaceDev invites all those interested in hearing management’s discussion of the quarter to join the call by dialing (866) 289-3234 and entering the PIN 8832 when prompted. A replay of the conference call will also be available for 7 days through the investor relations section of SpaceDev’s website, www.spacedev.com.

About SpaceDev

SpaceDev, Inc. is a space technology/aerospace company that creates and sells affordable and innovative space products and mission solutions. For more information, visit www.spacedev.com.