SpaceDev, Inc. (OTC BB:SPDV.OB) will host its third quarter 2006 earnings call on Wednesday, November 15, at 11:00 a.m. EST. The Company expects to file its third quarter Form 10-QSB with the Securities and Exchange Commission at market close on Monday, November 13, 2006, or earlier, and issue a related press release on its financial results on Tuesday, November 14, 2006, when the markets open.

SpaceDev invites all those interested in hearing management’s discussion of the quarter to join the call by dialing (888) 694-4767. International participants may access the call by dialing (973) 582-2751. A replay will be available for one week following the call by dialing (877) 519-4471 for domestic participants or (973) 341-3080 for international participants and entering replay pin number 8087275 when prompted.

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 and www.starsys.com.

Contact:

SpaceDev Investor Relations

Investor Contact:

Richard Slansky/Jessica Gerstenkorn

Media Contact:

Mark Sirangelo (858) 375-2026