This Agreement by and between Keryx Biopharmaceuticals, Inc. ("Keryx"), a Delaware corporation having an
address at 101 Main Street, Cambridge, Massachusetts, and Thomas J. Humphries, M.D., an individual residing
at __________________________________________ ("Humphries").
WHEREAS, the Corporation desires to employ Humphries as Senior Vice President, Clinical Development of
Keryx and Humphries desires to be employed by the Keryx as Senior Vice President, Clinical Development of
Keryx, all pursuant to the terms and conditions hereinafter set forth;
NOW THEREFORE, in consideration of the foregoing and the mutual promises and covenants herein contained,
it is agreed as follows:
1. EMPLOYMENT DUTIES
(a) Keryx hereby engages and employs Humphries, and Humphries accepts engagement and employment, as
Senior Vice President, Clinical Development of Keryx, to direct, supervise and have responsibilities for the
clinical development activities of Keryx and for any other appropriate areas and tasks which the Board of
Directors and/or the Chief Executive Officer may assign to him. Humphries will devote his entire business time,
energy, abilities and experience to the performance of his duties, effectively and in good faith. Further, during the
Term, Humphries shall not render services as an employee, consultant or otherwise, whether or not during regular
business hours, for pay to any other party other than the Corporation without the written permission of the Chief
Executive Officer. Humphries acknowledges and agrees that the performance by Humphries of his duties
hereunder may require significant domestic and international travel by Humphries.
(b) Humphries agrees that he shall have relocated to the Boston area within four (4) months from the date he
executes this Agreement. Keryx agrees to reimburse Humphries for relocation expenses in accordance with, and
up to the limits set forth in Paragraph 3(e), below.
Humphries's employment here