AGREEMENTSchedule 13g Filing Agreement • February 13th, 1998 • Venrock Associates • Services-computer programming services
Contract Type FiledFebruary 13th, 1998 Company IndustryPursuant to Rule 13d-1(f) promulgated pursuant to the Securities Exchange Act of 1934, as amended, the undersigned agree that the attached Schedule 13G is being filed on behalf of each of the undersigned.