NuVasive announced it will release financial results for the fourth quarter and full year ended December 31, 2004 on Thursday, February 17, 2005 after the market close with an accompanying conference call at 5:00 p.m. EST / 2:00 p.m. PST. A live Web cast of the conference call will be available online from the investor relations page of the Company's corporate Web site at http://www.nuvasive.com. The dial-in numbers are 1-800-811-0667 for domestic callers, and 1-913-981-4901 for international. The reservation number for both is 6244490. After the live Web cast, the call will remain available on NuVasive's Web site, http://www.nuvasive.com, through March 17, 2005. In addition, a telephonic replay of the call will be available until March 8, 2005. The replay dial-in numbers are 1-888-203-1112 for domestic callers and 1-719-457-0820 for international callers. Please use reservation code 6244490.