AGREEMENT
EXHIBIT 99.1
Pursuant to Rule 13d-1(k)(1)
promulgated pursuant to the Securities Exchange Act of 1934, as amended, the undersigned agree that the attached Schedule 13D is being filed on behalf of each of the undersigned.
by a General Partner VENROCK ASSOCIATES II, L.P., by a General Partner VENROCK ASSOCIATES III, L.P., by its General Partner, Venrock Management III
LLC VENROCK ENTREPRENEURS FUND, L.P., by its General Partner, Venrock Management LLC | ||
By: |
/s/ Xxxxxxx X. Xxxxx | |
As a General Partner or Member |
Dated: November 25, 2002
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