X0306 4 2017-01-27 0 0001018963 ALLEGHENY TECHNOLOGIES INC ATI 0001498160 Schwartz Karl D 1000 SIX PPG PLACE PITTSBURGH PA 15222 0 1 0 0 VP, Controller & CAO Common Stock, $0.10 par value 2017-01-27 4 A 0 2936 0.00 A 43030.6581 D Common Stock, $0.10 par value 2017-01-27 4 F 0 1081 21.75 D 41949.6581 D Common Stock, $0.10 par value 2017-01-27 4 D 0 2663.2998 21.75 D 39286.3583 D Shares awarded under the Company's 2014-2016 Total Shareholder Return Program ("TSR"). This amount includes 6,194.0360 shares of common stock Mr. Schwartz owns in the Company's 401(k) plan. Fluctuations in 401(k) share amounts reflect the plan's unit reporting method. The reporting person holds approximately 5,191.6820 units, which represent interests in the Company's stock fund. Shares withheld for payment of taxes on the 2014-2016 TSR award paid on January 27, 2017 as described in footnote 1 above. Forfeiture of restricted shares, including accumulated dividends, granted under the 2014 Performance/Restricted Stock Program. /s/ Karl D. Schwartz 2017-01-31