December 13, 1999 Westell Technologies, Inc. 750 North Commons Drive Aurora, IL Gentlemen: Reference is made to the 6% Subordinated Convertible Debenture ("Debenture") dated April 15, 1999 in the principal amount of $5,000,000 issued by Westell...Subordinated Convertible Debenture and Stock Purchase Warrant Agreement • December 17th, 1999 • Westell Technologies Inc • Telephone & telegraph apparatus
