Maxygen, Inc. 515 Galveston Drive Redwood City, CA 94063 650.298.5300 main 650.364.2715 fax www.maxygen.com
Exhibit 10.19.1
| Maxygen, Inc. 000 Xxxxxxxxx Xxxxx Xxxxxxx Xxxx, XX 00000 000.000.0000 main 000.000.0000 fax xxx.xxxxxxx.xxx |
5th December 2008
Xxxxxxx X. Xxxxxx
[Address]
| Re: | Amendment to Consulting Agreement |
Dear Xxxxxxx,
This letter will reflect the agreement of Maxygen, Inc. (“Company”) and Xxxxxxx Xxxxxx (“Consultant”) to amend that certain Consulting Agreement entered into between Consultant and the Company, effective 1st April 2008 (the “Agreement”). All capitalized terms under this letter amendment shall have the same meanings as those ascribed in the Agreement.
The Company and the Consultant hereby amend the Agreement as follows:
| 1. | Section 3.1 (under Article 3 “Term and Termination”) is amended in its entirety to read as follows: |
“The term of this Agreement will begin on the Effective Date and will continue in full force and effect until March 31, 2009 (the “Term”), unless earlier terminated as provided in Sections 3.2 and 3.3 below or extended or renewed pursuant to Section 3.4 below.”
Except as expressly provided in this letter amendment, all terms and conditions of the Agreement shall remain unchanged, and during the amended and extended term you will continue to provide consulting services to the Company and its Affiliates in accordance with such terms and conditions.
Please indicate your agreement with the foregoing by countersigning below and returning one copy to the attention of Xxxxx Um Xxxx at Maxygen, Inc., 000 Xxxxxxxxx Xxxxx, Xxxxxxx Xxxx, Xxxxxxxxxx 00000.
| Very truly yours, |
| /s/ XXXXXXXX X. XXXXXXX |
| UNDERSTOOD, AGREED AND ACCEPTED BY: | ||
| XXXXXXX X. XXXXXX | ||
| Signature: |
/s/ XXXXXXX X. XXXXXX | |
| Name: | Xxxxxxx X. Xxxxxx | |
Date: December 10, 2008
