X0306 4 2018-05-10 0 0000943452 WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP WAB 0001269280 HOWELL MICHAEL W D 1001 AIR BRAKE AVENUE WILMERDING PA 15148 1 0 0 0 Common Stock - Direct 2018-05-10 4 F 0 551 0.00 D 4030.17 D Shares were withheld by the Company to discharge withholding tax obligations of the reporting person and do not constitute a sale of shares or other open market transaction. The amount of securities beneficially owned following the reported transaction reflects prior unreported withholdings by the Company of 525 shares in the aggregate to discharge withholding tax obligations of the reporting person in connection with the vesting of restricted shares. David L.DeNinno, POA for Michael W.D. Howell 2018-05-14