X0306 4 2023-01-01 0001423221 Quanex Building Products CORP NX 0001793319 Cornett Paul 1800 W LOOP SOUTH SUITE 1500 HOUSTON TX 77027 1 SVP General Counsel, Secretary Common Stock 2023-01-01 4 M 0 7816 0 A 45443.229 D Common Stock 2023-01-01 4 M 0 7816 23.68 D 37627.229 D Restricted Stock Units 2023-01-01 4 M 0 7816 0 D Common Stock 7816 0 D Represents the total number of restricted stock units that were settled in cash pursuant to their terms. Includes 13.684 shares credited to the reporting person's account as the result of prior dividend reinvestments under the Company's Employee Stock Purchase Plan. Each Restricted Stock Unit represents a contingent right to receive cash in an amount equivalent to the value of one share of Quanex common stock. The Restricted Stock Units vest on the three-year anniversary of the grant date, and are payable in cash if the grantee remains employed by the Company at that time. /s/ Paul B. Cornett 2023-01-04