The call will include discussion of non-GAAP financial measures. Reconciliation of the non-GAAP financial measures to the most directly applicable GAAP measures can be found at http://www.maxygen.com under the "News" tab.
Participants in the U.S. can access the call by dialing 800.295.4740 and using the passcode 62136998. International participants can dial 617.614.3925 and use the same passcode. A live webcast of the conference call will be available in the "Investors" section of the Maxygen web site at http://www.maxygen.com.
A telephone replay of the conference call will be available until March 6, 2007. To access the replay, please call 888.286.8010 (U.S.) or 617.801.6888 (international) and use the passcode 65913499. An archived version of the webcast will be available until March 6, 2007, in the "Investors" section of the Maxygen website at http://www.maxygen.com.
About Maxygen
Maxygen, Inc., headquartered in Redwood City, California, is focused on creating novel products using its integrated proprietary technologies for human therapeutics. Maxygen's technologies bring together advances in molecular biology and protein modification to create novel biotechnology products.

