National Park Service, Grand Canyon National Park, PO Box 129, Contracting Office, Grand Canyon, AZ 86023

B -- PROJECTION FOR UTILITY RATE STUDY SOL N8221000125 DUE 070500 POC Joanne C. Risse, Contracting Officer, 520-638-7715 This modification to submission No. 457378 dated May 22, 2000 is to add the sic code of 8744, $5.0 million and a firm fixed price contract will be awarded from this solicitation.***** Posted 05/22/00 (W-SN457498). (0143)

Loren Data Corp. http://www.ld.com (SYN# 0017 20000524\B-0003.SOL)