(b) Percent of class: Quaker BioVentures II, L.P. – 5.8% Quaker BioVentures Capital II, L.P. – 5.8% Quaker BioVentures Capital II, LLC – 5.8% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote Quaker BioVentures II, L.P. – 0 Quaker BioVentures Capital II, L.P. – 0 Quaker BioVentures Capital II, LLC – 0 (ii) Shared power to vote or to direct the vote Quaker BioVentures II, L.P. – 1,533,333 Quaker BioVentures Capital II, L.P. – 1,533,333 Quaker BioVentures Capital II, LLC – 1,533,333 (iii) Sole power to dispose or to direct the disposition of Quaker BioVentures II, L.P. – 0 Quaker BioVentures Capital II, L.P. – 0 Quaker BioVentures Capital II, LLC – 0 (iv) Shared power to dispose or to direct the disposition of Quaker BioVentures II, L.P. – 1,533,333 Quaker BioVentures Capital II, L.P. – 1,533,333 Quaker BioVentures Capital II, LLC – 1,533,333 Quaker BioVentures Capital II, L.P. is the general partner of Quaker BioVentures II, L.P., and Quaker BioVentures Capital II, LLC is the general partner of Quaker BioVentures Capital II, L.P. |