EXHIBIT 10.18 PREFERRED STOCK SUBSIDIARIES' GUARANTEE PREFERRED STOCK SUBSIDIARIES' GUARANTEE, dated as of October 1, 1998, made by each of the entities that are signatories hereto (the "Guarantors"), in favor of LEHMAN COMMERCIAL PAPER INC., as...Preferred Stock Subsidiaries' Guarantee • March 31st, 1999 • Apartment Investment & Management Co • Real estate investment trusts • New York
