SECOND AMENDMENT TO AGREEMENT AND PLAN OF MERGER

SECOND AMENDMENT TO
AGREEMENT AND PLAN OF MERGER

          This Second Amendment to the Agreement and Plan of Merger (the “Agreement”) dated as of April 24, 2007, by and among ICON DEVELOPMENT, INC., a corporation organized under the laws of the State of Nevada (“ICON”) and having its principal offices at 1235 Quayside Drive, Suite 703, New Westminister, British Columbia, Canada V3M 6J5, Icon Acquisition Corporation, a corporation organized under the laws of the State of Delaware (“MERGER SUB”) and having its principal offices at 1235 Quayside Drive, Suite 703, New Westminister, British Columbia, Canada V3M 6J5, AMERICAN XENO INC., a corporation organized under the laws of the State of Nevada and having its principal offices at 143 Gardner Road, Brookline, Massachusetts 02445 (“XENO”), and the stockholders of XENO (the “Holders”) is made May 29, 2007.

RECITALS

          A. ICON, MERGER SUB, XENO and the Holders are parties to the Agreement, which specifies the terms and conditions of the merger of MERGER SUB with and into XENO, whereby each issued and outstanding share of common stock of XENO will be converted into the right to receive the Merger Consideration.

         B. Section 10.2 of the Agreement permits ICON, MERGER SUB and XE