U S Postal Service, Facilities Service Office, 8055 E Tufts Avenue, Suite 400, Denver, CO 80237-2881

Z -- INDEFINTE QUANTITY CONSTRUCTION CONTRACT FOR HVAC SERVICES IN THE STATE OF NEVADA; NORTHERN NV (INCLUDING NORTHEAST CA POC Marcia E. Stencel, USPS, 303/220-6514 CNT 072976-99-B-0077 AMT $500,000.00 DTD 040599 TO Extra Builders, Inc./National Builders Control, Inc., 1110 East Main Street, Alhambra CA 91801-4111 Posted 04/06/99 (W-SN316755). (0096)

Loren Data Corp. http://www.ld.com (SYN# 0687 19990408\Z-0005.AWD)