S-I/A Investing in our Class A common stock involves risks. See the section Wed 'Risk Factors on page 25 to read about factors you should consider before buying shares of our Class A common stock. Neither the Securities and Exchange Commission nor any other regulatory body has approved or disapproved of these securities or passed upon the accuracy or adequacy of this prospectus. Any representation to the contrary is a criminal offense. Per Share Initial public offering price Underwriting discount(1) $ $ Proceeds, before expenses, to us Proceeds, before expenses, to the selling stockholder $ (1) We have agreed to reimburse the underwriters for certain expenses. See the section titled "Underwriting (Conflicts of Interest)." To the extent that the underwriters sell more than 27.000,000 shares of Class A common stock. the underwriters have the option to purchase up to an additional 4,050,000 shares from us at the initial public offering price less the underwriting discount. The underwriters expect to deliver the shares against payment in New York. New York on or about . 2015. Goldman, Sachs & Co. Morgan Stanley J.P. Morgan Barclays Deutsche Bank Securities Jefferies RBC Capital Markets Stifel LOYAL3 Securities SMBC Nikko Prospectus dated I Ale of ( .iniictits httplAvww.sec.pov/Archi vas/edger/data/I 512673/000119312515369092M937622dslahanfil/6/2015 7:37:12 AMJ CONFIDENTIAL - PURSUANT TO FED. R. CRIM. P. 6(e) CONFIDENTIAL DB-SDNY-0074773 SDNY_GM_00220957 EFTA01377622