Fortress International Group Extends Maturity Date under Convertible Promissory Note.

Fortress International Group, Inc. is extending the maturity date under its Convertible Promissory Note, originally issued in 2007, to allow for full payment of all amounts due. The payment is now required on or before the new maturity date. The Note was amended in 2008 and again in 2010. All capitalized terms in the letter agreement have the same meanings as in the Note.