Purchasing And Materials Service Center, U.S. Postal Service, 395 Oyster Point Blvd., Suite 205, South San Francisco, CA 94099-6261

S -- ELECTRICITY AND RELATED SERVICES POC Susan J. Lum (650) 615-7282 CNT 052684-00-B-0509 AMT $4,449,833.06 LINE A101 DTD 041400 TO Preferred Energy Services, Inc. dba go-green.com, 151 Bernal Road, Suite 1, San Jose, CA 95119-1306 Posted 04/17/00 (W-SN445875). (0108)

Loren Data Corp. http://www.ld.com (SYN# 0297 20000419\S-0003.AWD)