ADDENDUM TO THE EMPLOYMENT AGREEMENT
BETWEEN WILLIAM L. ALLENDER ("EXECUTIVE") AND CYTOMEDIX, INC.
DATED MARCH 25, 2004 AND EFFECTIVE NOVEMBER 15, 2003
A. On September 30, 2004, the Company opened a new office at 416 Hungerford Drive, Suite 330, Rockville,
Maryland, 20850 (the "Maryland Office"). From the date of this addendum until the earlier of (i) Executive's
physical relocation to the Washington, D.C. area, or (ii) the date the Executive and the Company enter into a new
employment agreement as provided in Paragraph D below (the "New Contract Date"). Employee shall commute
from his home in Dallas, Texas to the Maryland Office (the "Commuting Period").
B. Effective September 1, 2004, the Executive's base salary shall be at a rate of $110,000 per annum, with an
additional incentive equal to $20,000 for the Commuting Period. $15,000 of the incentive shall be paid to
Executive on or around April 20, 2005. The remaining $5,000 shall be paid upon the earlier of
(i) Executive's physical relocation to the Washington, D.C. area or (ii) September 1, 2005.
C. During the Commuting Period, Executive shall have the option of returning to Dallas on Friday afternoons and
returning to the Washington, D.C. area on the following Monday. At the Executive's option, Executive may assign
this option to a family member to allow them to come to the Washington, D.C. area. Any additional expenses
incurred through the use of this option shall be the responsibility of Executive. Additionally, once adequate,
competent staffing can be hired and trained at the Maryland Office. Executive will have the right to conduct
Company business from his home one week out of every month at his discretion and if circumstances allow
during the Commuting Period. During the Commuting Period, the Company shall reimburse the Executive for his
travel and similar expenses (including transportation between Dallas and the Washington, D.C. area, housing in
the Washington, D.C. area, and a vehicle for use in th