ESND Essendant Inc.

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UNITED STATIONERS INC.

UNITED STATIONERS INC.

DIANE SHIMON

ONE PARKWAY NORTH BOULEVARD

DEERFIELD, IL 60015

Meeting Information

Meeting Type:         Annual Meeting

Date:    May 20, 2015       Time:    2:00 PM CDT

Location: UNITED STATIONERS INC.

  ONE PARKWAY NORTH BOULEVARD

  DEERFIELD, IL 60015

You are receiving this communication because you hold shares in the company named above.

This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).

We encourage you to access and review all of the important information contained in the proxy materials before voting.

Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.

Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow (located on the following page) available and follow the instructions.

Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

The Board of Directors recommends you vote FOR each of the nominees listed below:

1.

Election of four Class II Directors to serve for a three-year term expiring in 2018.

Nominees:

01)    Robert B. Aiken, Jr.

Election of one Class I Director to serve for a two-year term expiring in 2017.

Nominee:

05)    Paul S. Williams

The Board of Directors recommends you vote FOR proposals 2, 3 and 4.

2.

Ratification of the selection of Ernst & Young LLP as the Company’s independent registered public accounting firm for 2015.

3.

Approval of the Amendments to and Restatement of the Company’s 2004 Long-Term Incentive Plan.

4.

Approval of advisory vote on executive compensation.

NOTE: In their discretion, the proxies may vote upon any other business as may properly come before the meeting or any adjournment thereof.