This Employment Agreement (this "Agreement") is made and entered into as of September 17, 2003 (the
"Effective Date") by and between Araios, Inc., a Delaware corporation ("Employer"), and Mark A. Tepper, an
WHEREAS, Employer desires to engage Employee as its President, and Employee is willing to be so engaged by
Employer, on the terms set forth in this Agreement.
NOW, THEREFORE, upon the above premises, and in consideration of the mutual covenants and agreements
hereinafter contained, the parties hereto agree as follows.
1. Engagement. Effective as of the Effective Date, Employer hereby engages Employee as Employer's President
and Employee hereby accepts such employment.
2. Duties; Place of Employment. Employee shall perform such duties as are customarily performed by the
President of a company such as Employer as are delegated to him from time to time by Employer's Chief
Executive Officer or, in the absence of a Chief Executive Officer, the Chief Executive Officer of CytRx
Corporation, the parent corporation of Employer ("CytRx"), and Employer's Board of Directors, which shall
include, without limitation, the duties described on Schedule 1 to this Agreement. Employee shall perform such
duties in a professional business-like manner and to the best of his ability. Employee shall report to Employer's
Chief Executive Officer or, in the absence of a Chief Executive Officer, to the Chief Executive Officer of CytRx.
Employee understands and agrees that his duties and authority hereunder will be modified in the event Employer
engages a Chief Executive Officer, so that Employee's duties and authority are not inconsistent with those of such
Chief Executive Officer. Employee's services hereunder shall be rendered primarily at Employer's principal
executive offices in Worcester, Massachusetts, or its environs, and to a lesser extent, at Parent's principal
executive offices in Los Angeles, California. Except for travel to and from Los Ange