| Type | Name | Date |
| Securities purchase agreement | Securities Purchase Agreement, by and among the Company and Pudong | 04/16/2014 |
| Securities purchase agreement | Securities Purchase Agreement, by and among the Company and certain investors named therein | 06/11/2012 |
| Registration rights agreement | Registration Rights Agreement, by and among the Company and certain investors named therein | 06/11/2012 |
| Securities purchase agreement | Securities Purchase Agreement, by and among the Company and certain investors named therein | 04/09/2010 |
| Securities purchase agreement | Securities Purchase Agreement, by and among the Company and certain investors named therein | 04/09/2010 |
| Registration rights agreement | Registration Rights Agreement, by and among the Company and certain investors named therein | 04/09/2010 |
| Registration rights agreement | Registration Rights Agreement, by and among the Company and certain investors named therein | 04/09/2010 |
| Registration rights agreement | Registration Rights Agreement, by and among the Company and certain investors named therein | 04/09/2010 |
| Registration rights agreement | Registration Rights Agreement, by and among the Company and certain investors named therein | 04/09/2010 |
| Registration rights agreement | Registration Rights Agreement, by and among the Company and certain investors named therein | 04/09/2010 |
| Registration rights agreement | Registration Rights Agreement, by and among the Company, (Filed herewith.) | 08/20/2009 |
| Securities purchase agreement | Securities Purchase Agreement, by and among the Company (Filed herewith.) | 08/20/2009 |