X0206 3 2015-04-17 0 0000355999 UNITED STATIONERS INC USTR 0001640164 Zelenka Janet C/O UNITED STATIONERS ONE PARKWAY NORTH BLVD., SUITE 100 DEERFIELD IL 60015 0 1 0 0 SVP and CIO Common Stock 4131 D Common Stock 4679 D Employee Stock Options (right to buy) 38.69 2016-04-01 2023-04-01 Common Stock 6169 D Employee Stock Options (right to buy) 45.89 2016-04-01 2024-01-01 Common Stock 5538 D Represents shares of restricted stock. /s/Cheryl M. Cromer Attorney-in-fact for Janet Zelenka 2015-04-22