United Stationers Inc. (NASDAQ:USTR) will report first quarter 2012 results on Monday, April 23, 2012, after close of market. In connection with the earnings release, United Stationers will host a conference call, which will also be broadcast over the Internet on Tuesday, April 24, 2012, beginning at 10:00 a.m. Central Time. The press release containing the full text of the earnings announcement and accompanying financial tables, along with a financial slide presentation and other information relating to the call, will be available on the Investor Information section of United Stationers’ website, ir.unitedstationers.com. To participate, callers within the U.S. and Canada should dial (888) 771-4371 and International callers should dial (847) 585-4405 approximately 10 minutes before the time of the presentation. Please provide the operator with the confirmation number “32115329.” To listen to the Webcast via the Internet, participants should visit the Investor Information section of the company’s website at ir.unitedstationers.com at least 15 minutes prior to the event’s broadcast. Follow the instructions provided to assure that the necessary audio application is downloaded and installed. The Windows Media Player plug-in is required to listen to this Webcast. This program can be obtained at no charge to the user. In addition, interested parties can access an archived version of the call, which will also be located on the Investor Information section of United Stationers’ website approximately two hours after the conclusion of the call. Company Overview United Stationers Inc. is a leading wholesale distributor of business products, with 2011 net sales of $5.0 billion. The company stocks a broad and deep line of approximately 100,000 products, including technology products, traditional office products, janitorial and breakroom supplies, office furniture, and industrial supplies. A network of 62 distribution centers allows it to deliver these products to over 25,000 reseller customers. This network, combined with United’s depth and breadth of inventory, enables the company to ship most products overnight to more than 90% of the U.S. and major cities in Mexico. For more information, visit www.unitedstationers.com. United Stationers’ common stock trades on the NASDAQ Global Select Market under the symbol USTR.