PRINCETON, N.J., April 9 /PRNewswire-FirstCall/ -- In conjunction with its first quarter 2010 earnings release (expected to be issued after market close on April 28, 2010), Covance Inc. (NYSE:CVD - News) is pleased to invite you to listen to its quarterly investor conference call that will be broadcast live over the Internet on Thursday, April 29, 2010 at 9:00 a.m. ET.