X0306 4 2016-12-19 0001423221 Quanex Building Products CORP NX 0001464457 WILLIAMS DEWAYNE 1800 W LOOP SOUTH, SUITE 1500 HOUSTON TX 77027 1 VP- Controller Common Stock 2016-12-19 4 A 0 2250 0 A 11254 D Common Stock 2016-12-19 4 F 0 616 20.50 D 10638 D On December 5, 2013, the reporting person was granted a target number of performance share units, with a potential payout from 0% to 200% of target based on the Company's earnings per share growth and relative total shareholder return over the three year period from November 1, 2013 through October 31, 2016. The payout amount was finalized on December 16, 2016, resulting in the issuance of common stock on December 19, 2016. /s/ Paul B. Cornett, Power of Attorney 2016-12-20