General Services Administration, BK/QNS/LI Property Management Center, 10 Metrotech Center @ 625 Fulton Street, Seventh Floor, Brooklyn, New York 11201

Z -- ROOF REPLACEMENT SOL GS-02P-99-PCU-0132 DUE 072199 POC Saffareene Gray (718) 254-7123 Thomas Adams (718) 254-7106 This CBD is hereby modified to change the solicitation issue date from 6/16/99 to 6/22/99 and the Bid opening date from 7/20/99 to 7/21/99, l:30 pm local time. As previously stated this procurement is open to competitive 8(a) firms only. Posted 06/15/99 (W-SN343002). (0166)

Loren Data Corp. http://www.ld.com (SYN# 0146 19990617\Z-0033.SOL)