This letter confirms that Michael L. Cayanan is contracted to work as a telecommunications engineer on the AT&T-Ericsson 3G project located in Schaumburg, Illinois until October 3, 2011, with the option to renew annually for up to three years total. His duties include commissioning, testing, and troubleshooting Ericsson UMTS, GSM, and Node B equipment as well as other technical support tasks. Oliver Gallardo is the supervising field manager and can be reached at the provided contact information; Mr. Cayanan's sole employer for this work is AWAT.