UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 8-K

Current Report Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934

May 5, 2010

Date of Report (Date of earliest event reported)

Arch Capital Group Ltd.

(Exact name of registrant as specified in its charter)

Wessex House, 45 Reid Street, Hamilton HM 12, Bermuda

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code:
(441) 278-9250

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

ITEM 5.07         Submission of Matters to a Vote of Security Holders.

Arch Capital Group Ltd.’s (“ACGL”) annual meeting of shareholders was held on May 5, 2010.  At the meeting, the holders of 47,418,975 common shares, which represents approximately 90 percent of the outstanding shares entitled to vote as of the record date of March 12, 2010, were represented in person or by proxy.   Matters submitted to shareholders at the meeting and the voting results thereof were as follows:

Item 1.  The vote on the election of the three Class III directors to hold office until the 2013 annual meeting of shareholders or until their successors are elected and qualified.  The voting results were as follows:

The vote on the election of certain individuals as Designated Company Directors of certain of ACGL’s non-U.S. subsidiaries.  The voting results were as follows:

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Item 2.  The vote on the adoption of amendments to ACGL’s bye-laws as set forth in Appendix A of, and as described in, ACGL’s Definitive Proxy Statement, which was filed with the Securities Exchange Commission (the “SEC”) on March 25, 2010 and is filed as Exhibit 3.1 hereto and incorporated herein by reference.  The voting results were as follows:

Item 3.  The vote on the ratification of the selection of PricewaterhouseCoopers LLP as ACGL’s independent registered public accounting firm for the year ending December 31, 2010.  The voting results were as follows:

ITEM 8.01         Other Events.

Preferred Share Dividends.  On May 5, 2010, the Board of Directors (the “Board”) of ACGL declared dividends with respect to the outstanding (1) 8,000,000 shares of its 8.00% Non-Cumulative Preferred Shares, Series A, $0.01 per share (the “Series A Shares”), with a liquidation preference of $25.00 per share, and (2) 5,000,000 shares of its 7.875% Non-Cumulative Preferred Shares, Series B, $0.01 per share (the “Series B Shares”), with a liquidation preference of $25.00 per share, as outlined below.  All such dividends will be payable out of lawfully available funds for the payment of dividends under Bermuda law on August 15, 2010 to holders of record of the Series A Shares and the Series B Shares, as applicable, as of August 1, 2010, unless determined otherwise by the Board or the Executive Committee of the Board on or prior to the applicable effective date.

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Item 9.01 Financial Statements and Other Exhibits

 (d) Exhibits.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned.

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EXHIBIT INDEX

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