Comerica Bank
Paperwork Executed December 23, 2002

Recorded
January 13, 2003

Silicon Energy Corporation

Silicon Energy Corporation
Chatsworth,, CA 91311

Web Bridged Energy Management System And Method

X0Patent Application No. 09676418, Filed September 28, 2000

B1Utility Patent No. 6636893, Issued October 21, 2003

System And Method For Forecasting Energy Usage Load

X0Patent Application No. 09676299, Filed September 28, 2000

B1Utility Patent No. 6577962, Issued June 10, 2003

System Snd Method For Energy Usage Curtailment

X0Patent Application No. 09677700, Filed September 28, 2000

B1Utility Patent No. 6868293, Issued March 15, 2005

Energy Management System And Method

X0Patent Application No. 09160223, Filed September 24, 1998

B1Utility Patent No. 6178362, Issued January 23, 2001

Silicon Vlley Bank