Minimum Threshold

Minimum Threshold. Means (a) for Delphi Ventures V, L.P., Preferred Stock convertible into at least 143,365 shares of Common Stock; (b) for Novo A/S, Preferred Stock convertible into at least 89,604 shares of Common Stock; (c) for The Column Group, L.P., Preferred Stock convertible into at least 79,973 shares of Common Stock; and (d) for Section Six Partners, L.P., Preferred Stock convertible into at least 114,605 shares of Common Stock.