PITTSBURGH, PENNSYLVANIA, July 10, 2012 — Black Box Corporation (NASDAQ:BBOX), a leading communications system integrator dedicated to designing, sourcing, implementing and maintaining today’s complex communications solutions, announced today that is has been ranked 31st by CRN Magazine in its Solution Provider 500 List. The annual list, previously called the VAR 500, includes the largest integrators, service providers and IT consultants in North America, ranked by their solution provider services revenue. “We are proud to be included in the list, and our Top 50 ranking shows our continued commitment to expand our services business by delivering innovative solutions and top-notch customer support to our clients,” said Terry Blakemore, President and Chief Executive Officer of Black Box. “As a leading communications systems integrator, we continue to maintain our client-focused business model with an intense commitment to value and client satisfaction.” Black Box delivers complete life-cycle solutions for voice and data networks through the broadest partner portfolio in the industry, including solutions from manufacturer partners, its own line of Black Box products, and valuable services that help clients get the most from their technology investments while ensuring their infrastructure supports their business goals. The complete listing of the Solution Provider 500 is on-line at CRN.com and in print in CRN Magazine, a publication from Everything Channel for integrating technology solutions. About Black Box Black Box is a leading communications system integrator dedicated to designing, sourcing, implementing and maintaining today’s complex communications solutions. Black Box services more than 175,000 clients in approximately 150 countries with approximately 200 offices throughout the world. To learn more, visit the Black Box Web site at http://www.blackbox.com. Black Box® and the Double Diamond logo are registered trademarks of BB Technologies, Inc. Any third-party trademarks appearing in this press release are acknowledged to be the property of their respective owners. Contact: Black Box Corporation Gary Doyle Director – Investor Relations Phone: 724-873-6788 E-mail: investors@blackbox.com

Black Box Secures 31st Spot in Prestigious Solution Provider 500 List