Lehman Brothers has arranged the issue this month for SASCO Europe 1998 of £101,800,000 of Commercial Mortgage Backed Floating Rate Notes due March 2023. The issue comprises £79,660,000 of Class A Notes at London Inter Bank Offer Rate (LIBOR) +0.35% (with a call option from 2006 onwards), £9,930,000 of Class M Notes at LIBOR +1.4%,…