Trustwave Holdings, Inc. Files Registration Statement for Proposed Initial Public Offering


CHICAGO, IL--(Marketwire - Apr 21, 2011) - Trustwave Holdings, Inc. announced today that it has filed a registration statement with the U.S. Securities and Exchange Commission relating to a proposed initial public offering of shares of its common stock. The number of shares to be offered and the price range for the offering have not yet been determined.

Morgan Stanley & Co. Incorporated, J.P. Morgan Securities LLC and Barclays Capital Inc. are acting as joint book-running managers for the offering. William Blair & Company, L.L.C. and BMO Capital Markets Corp. are acting as co-managers.

This offering will be made solely by means of a prospectus, copies of which may be obtained (when available) from: Morgan Stanley & Co. Incorporated, 180 Varick Street, 2nd Floor, New York, New York 10014, Attention: Prospectus Department, or by calling (866) 718-1649 or by emailing
(312) 873-7648