Related Party Transactions and Outside Related Director Information

Color Kinetics Incorporated (CLRK)

4/19/2006 Proxy Information

Based on information contained on a Form 13G/A filed with the Securities and Exchange Commission on February 13, 2006 Cree, Inc. owns a total of 1,795,660 shares of our common stock, representing approximately 9.74% of our outstanding capital stock as of March 28, 2006. We purchased light emitting diodes from Cree for an aggregate amount of approximately $3.5 million during 2005. We believe the terms of our purchases from Cree were no less favorable to us than those we could have obtained from an unaffiliated party.