Knight Capital Group And GETCO Announce S-4 Filing Declared Effective By SEC

Knight Capital Group, Inc. KCG ("Knight") and GETCO Holding Company, LLC ("GETCO") announced today that KCG Holdings, Inc. ("KCG"), the new holding company that will be the parent company of Knight and GETCO after the close of the pending merger between Knight and GETCO, has received notice that the registration statement on Form S-4 related to the merger has been declared effective by the Securities and Exchange Commission. Additionally, special meetings for Knight stockholders and GETCO voting unitholders to consider and vote on matters relating to the proposed merger between the two companies have both been scheduled for Tuesday, June 25, 2013. The Joint Proxy Statement / Prospectus relating to the merger will be mailed to Knight stockholders and GETCO Class A, B and P unitholders on or about May 28, 2013. Knight stockholders are invited to attend its special meeting of shareholders to be held at 1:00 p.m. Eastern Time (ET) on Tuesday, June 25, 2013 at Knight's corporate headquarters located at 545 Washington Boulevard in Jersey City, NJ. GETCO voting unitholders are invited to attend its special meeting at 1:00 p.m. Eastern Time (ET) on Tuesday, June 25, 2013 at GETCO's New York office located at 165 Broadway in New York, NY. Completion of the transaction is subject to Knight stockholder and GETCO unitholder approval, listing of the shares on the New York Stock Exchange, additional regulatory approvals, and the satisfaction of other customary closing conditions. After the close of the transaction, KCG common stock is expected to trade under the ticker symbol "KCG" on the New York Stock Exchange. About Knight Knight Capital Group (NYSE Euronext: KCG) is a global financial services firm that provides access to the capital markets across multiple asset classes to a broad network of clients, including broker-dealers, institutions and corporations. Knight is headquartered in Jersey City, N.J. with a global presence across the Americas, Europe, and the Asia Pacific regions. For further information about Knight, please visit www.knight.com. About GETCO GETCO is one of the world's largest independent market makers. Founded in 1999, GETCO employs over 400 Associates located in Chicago, New York, London, and Singapore. The firm's primary business involves both buying and selling securities to provide two-sided markets on exchanges around the world. The liquidity GETCO supplies allows investors to immediately transfer securities positions while saving money on trading costs. More information is available at www.GETCOllc.com. ADDITIONAL INFORMATION AND WHERE TO FIND IT This communication is not a solicitation of a proxy from any stockholder of Knight or GETCO. In connection with the agreement and plan of merger among Knight, GETCO and GA-GTCO, LLC (the "Merger Agreement"), KCG Holdings, Inc. ("KCG") filed with the SEC a Registration Statement on Form S-4, that includes a preliminary Joint Proxy Statement of Knight and GETCO and a preliminary Prospectus of KCG (together with the Joint Proxy Statement, as amended, the "Joint Proxy Statement/Prospectus"), as well as other relevant documents concerning the proposed transaction. The S-4 has been declared effective and the Joint Proxy