55 Broadway; Cambridge, MA 02142

A -- OPERATION RESEARCH AND ANALYSIS (ORA) SERVICES POC Point of Contact -- Edward R. Wirtanen, Contracting Officer, (617) 494-2619 CNT 99-D-00034 AMT $45600000 DTD 041999 TO PRC, Inc., 12005 Sunrise Valley Drive, Reston, VA 20191 WEB: Volpe Center Acquisition Division home page, http://www.volpe.dot.gov/procure/index.html. E-MAIL: Contracting Officer, wirtanen@volpe.dot.gov. Posted 04/20/99 (D-SN322200). (0110)

Loren Data Corp. http://www.ld.com (SYN# 0319 19990422\A-0002.AWD)