EXHIBIT 10.18 OMNIBUS FIRST MODIFICATION TO MEZZANINE LOAN DOCUMENTS THIS FIRST MODIFICATION TO MEZZANINE LOAN DOCUMENTS (this "Agreement") is made and dated as of March 12, 2001 by and among PRIME/BEITLER DEVELOPMENT COMPANY, L.L.C., a Delaware...Mezzanine Loan Modification • August 13th, 2001 • Prime Group Realty Trust • Real estate investment trusts
