Purchase
BEHBAHANI ALI 10 percent owner 10 percent owner
Common Stock 948,948 $1.9 $1,803,001 Purchase
BEHBAHANI ALI 10 percent owner 10 percent owner
Common Stock 2,631,578 $1.9 $4,999,998 Purchase
BASKETT FOREST 10 percent owner 10 percent owner
Common Stock 2,631,578 $1.9 $4,999,998 Purchase
CHANG CARMEN 10 percent owner 10 percent owner
Common Stock 2,631,578 $1.9 $4,999,998 Purchase
NEW ENTERPRISE ASSOCIATES 16, L.P. 10 percent owner 10 percent owner
Common Stock 2,631,578 $1.9 $4,999,998 Purchase
WALKER PAUL EDWARD 10 percent owner 10 percent owner
7-Year Common Stock Warrant 3,703,704 $1.37 $5,074,074 Purchase
WALKER PAUL EDWARD 10 percent owner 10 percent owner
Common Stock 1,851,852 N/A N/A Purchase
SANDELL SCOTT D 10 percent owner 10 percent owner
7-Year Common Stock Warrant 3,703,704 $1.37 $5,074,074 Purchase
SANDELL SCOTT D 10 percent owner 10 percent owner
Common Stock 1,851,852 N/A N/A Purchase
SONSINI PETER W. 10 percent owner 10 percent owner
7-Year Common Stock Warrant 3,703,704 $1.37 $5,074,074 Purchase
SONSINI PETER W. 10 percent owner 10 percent owner
Common Stock 1,851,852 N/A N/A Purchase
MAKHZOUMI MOHAMAD 10 percent owner 10 percent owner
7-Year Common Stock Warrant 3,703,704 $1.37 $5,074,074 Purchase
MAKHZOUMI MOHAMAD 10 percent owner 10 percent owner
Common Stock 1,851,852 N/A N/A Purchase
BEHBAHANI ALI 10 percent owner 10 percent owner
7-Year Common Stock Warrant 3,703,704 $1.37 $5,074,074 Purchase
BEHBAHANI ALI 10 percent owner 10 percent owner
Common Stock 1,851,852 N/A N/A Purchase
CHANG CARMEN 10 percent owner 10 percent owner
7-Year Common Stock Warrant 3,703,704 $1.37 $5,074,074 Purchase
CHANG CARMEN 10 percent owner 10 percent owner
Common Stock 1,851,852 N/A N/A Purchase
FLORENCE ANTHONY A. JR. 10 percent owner 10 percent owner
7-Year Common Stock Warrant 3,703,704 $1.37 $5,074,074 Purchase
FLORENCE ANTHONY A. JR. 10 percent owner 10 percent owner
Common Stock 1,851,852 N/A N/A Purchase
NEW ENTERPRISE ASSOCIATES 16, L.P. 10 percent owner 10 percent owner
7-Year Common Stock Warrant 3,703,704 $1.37 $5,074,074 Purchase
NEW ENTERPRISE ASSOCIATES 16, L.P. 10 percent owner 10 percent owner
Common Stock 1,851,852 N/A N/A Purchase
BASKETT FOREST 10 percent owner 10 percent owner
7-Year Common Stock Warrant 3,703,704 $1.37 $5,074,074 Purchase
BASKETT FOREST 10 percent owner 10 percent owner
Common Stock 1,851,852 N/A N/A Sale
BEHBAHANI ALI 10 percent owner 10 percent owner
Common Stock 564 N/A N/A Sale
CHANG CARMEN 10 percent owner 10 percent owner
Common Stock 564 N/A N/A Sale
FLORENCE ANTHONY A. JR. 10 percent owner 10 percent owner
Common Stock 564 $2.66 $1,500 Sale
MAKOWER JOSHUA 10 percent owner 10 percent owner
Common Stock 564 $2.66 $1,500 Sale
SANDELL SCOTT D 10 percent owner 10 percent owner
Common Stock 564 $2.66 $1,500 Sale
SONSINI PETER W. 10 percent owner 10 percent owner
Common Stock 564 $2.66 $1,500 Sale
BASKETT FOREST 10 percent owner 10 percent owner
Common Stock 564 N/A N/A Sale
MAKHZOUMI MOHAMAD 10 percent owner 10 percent owner
Common Stock 564 $2.66 $1,500 Sale
NEW ENTERPRISE ASSOCIATES 16, L.P. 10 percent owner 10 percent owner
Common Stock 564 $2.66 $1,500 Sale
WALKER PAUL EDWARD 10 percent owner 10 percent owner
Common Stock 564 N/A N/A Purchase
SANDELL SCOTT D 10 percent owner 10 percent owner
Common Stock 2,500,000 N/A N/A Purchase
WALKER PAUL EDWARD 10 percent owner 10 percent owner
Common Stock 2,500,000 $10 $25,000,000 Purchase
MAKOWER JOSHUA 10 percent owner 10 percent owner
Common Stock 2,500,000 $5 $12,500,000 Purchase
MOTT DAVID M 10 percent owner 10 percent owner
Common Stock 2,500,000 $5 $12,500,000 Purchase
SONSINI PETER W. 10 percent owner 10 percent owner
Common Stock 2,500,000 $5 $12,500,000 Purchase
GOOD JENNIFER L director, officer: See Remarks director, officer: See Remarks
Common Stock 11,250 N/A N/A Purchase
VANLENT ANNE director director
Common Stock 5,000 N/A N/A Purchase
MEEKER DAVID P director director
Common Stock 11,250 N/A N/A Purchase
HEFFERNAN MICHAEL THOMAS director director
Common Stock 2,500 N/A N/A Purchase
AGGER METTE KIRSTINE director director
Common Stock 375,000 N/A N/A Purchase
BARRIS PETER J 10 percent owner 10 percent owner
Common Stock 2,500,000 N/A N/A Purchase
SANDELL SCOTT D 10 percent owner 10 percent owner
Common Stock 2,500,000 $10 $25,000,000 Purchase
BASKETT FOREST 10 percent owner 10 percent owner
Common Stock 2,500,000 N/A N/A Purchase
TPG GROUP HOLDINGS (SBS) ADVISORS, INC. 10 percent owner 10 percent owner
Common Stock 800,000 N/A N/A Purchase
WALKER PAUL EDWARD 10 percent owner 10 percent owner
Common Stock 2,500,000 $10 $25,000,000 Purchase
FLORENCE ANTHONY A. JR. 10 percent owner 10 percent owner
Common Stock 2,500,000 N/A N/A Purchase
LUNDBECKFOND INVEST A/S 10 percent owner 10 percent owner
Common Stock 375,000 N/A N/A