| 14.38 Data as of May 22 | -0.05 / -0.35%Today’s Change | 8.64 Today|||52-Week Range 16.80 | +58.90% Year-to-Date |
| SECTOR Health Technology | INDUSTRY Biotechnology | MARKET CAP $703.0M |
Optimer Pharmaceuticals, Inc. 101 Hudson Street Jersey City New Jersey 07302-3915 |

| Henry A. McKinnell, Jr., PhD | Chairman & Chief Executive Officer |
| Eric Sirota, MBA | Chief Operating Officer |
| Stephen W. Webster, MBA | Chief Financial Officer & Senior Vice President |
| Sherwood L. Gorbach, MD | Chief Scientific Officer & Senior Vice President |
| Hemal Shah, PhD | Senior Vice President-Medical Affairs |