Item 5.07 Submission of Matters to a Vote of Security Holders

On June 28, 2012, we held a special meeting in lieu of annual meeting of shareholders. A total of 24,057,781 shares of our common stock were outstanding as of May 7, 2012, the record date for the special meeting. Set forth below are the matters acted upon at the special meeting and the final voting results on each matter as reported by our inspector of elections.

Proposal One: Election of Directors

Our shareholders elected Roger W. Blethen and Yang Zhao, Ph.D. as members of our board of directors as Class II directors for a three-year term. The results of the vote were as follows:

Broker Nominee For Withheld Non-Votes Roger W. Blethen 15,343,958 197,289 6,475,366 Yang Zhao, Ph.D. 15,498,641 42,606 6,475,366

Proposal Two: Approval of an Amendment to our Amended and Restated 2007 Stock Incentive Plan

Our shareholders voted to approve an amendment to our amended and restated 2007 stock incentive plan, including increasing the number of shares of common stock issuable under the plan by 1,500,000 shares. The results of the vote were as follows:

Broker
For Against Abstain Non-Votes
10,818,869 4,713,470 8,908 6,475,366

Proposal Three: Ratification of Ernst & Young LLP as our Independent Registered Public Accountants for Fiscal 2012

Our shareholders ratified our selection of Ernst & Young LLP as our independent registered public accountants for our fiscal year ending December 31, 2012. The results of the vote were as follows:

Broker
For Against Abstain Non-Votes
21,969,619 31,991 15,003 0

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