GREGORY ROBERT HAHN
Dated as of April 1, 2010
This Employment Agreement (this " Agreement "), dated as of April 1, 2010 (the " Commencement
Date "), is between Synthetech, Inc., an Oregon corporation (" Employer "), and Gregory Robert Hahn ("
A. Employer desires to continue to retain the services of Executive upon the terms and conditions
set forth herein.
B. Executive is willing to continue to provide services to Employer upon the terms and conditions
set forth herein.
For and in consideration of the foregoing premises and for other good and valuable consideration, the
sufficiency and receipt of which are hereby acknowledged, Employer and Executive hereby agree as follows:
Employer will continue to employ Executive and Executive will accept continued employment by
Employer as its President and Chief Executive Officer. Executive will have the authority, subject to Employer's
Articles of Incorporation and Bylaws, as may be granted from time to time by the Board of Directors of
Employer (the " Board of Directors "). Executive will perform the duties assigned to the President and Chief
Executive Officer in Employer's Bylaws, the duties customarily performed by the President and Chief
Executive Officer of a corporation which is, in all material respects, similar to Employer and such other duties as
may be assigned from time to time by Employer's Board of Directors, which relate to the business of Employer or
any subsidiaries or parent company of Employer or any business ventures in which Employer or any subsidiaries
or parent company of Employer may participate.
Executive will devote the necessary time, ability, attention and effort to Employer's business and will serve
its interests during the term of this Agreement; provided , however , that Executive may devote reasona