WICHITA, Kan., March 4, 2014 /PRNewswire/ — Spirit AeroSystems Holdings, Inc. (NYSE: SPR) (the “Company”) today announced that it intends to commence a public secondary offering of 6,189,794 shares of class A common stock. The Company will not receive any proceeds from the offering, and the total number of shares of common stock outstanding will not change as a result of this offering. The shares are being offered primarily by affiliates of Onex Corporation (“Onex”) and current and former members of management of the Company. Onex is expected to maintain voting control of the Company following this offering. The shares are being offered pursuant to an automatic shelf registration statement filed on April 7, 2011 with the U.S. Securities and Exchange Commission (“SEC”) on Form S-3.