PITTSBURGH, PENNSYLVANIA, April 4, 2012 – Black Box Corporation (NASDAQ:BBOX), a leading communications system integrator dedicated to designing, sourcing, implementing and maintaining today’s complex communications solutions, today announced the formation of a platinum partnership with GENBAND. Black Box Network Services, one of only two Enterprise partners given GENBAND Platinum Partner status is slated to begin a company-wide rollout of sales plans and training throughout its U.S. and Canadian offices to incorporate GENBAND’s solutions into its current portfolio. Under the contract between the parties, the GENBAND solutions will be available for deployment in the U.S. and Canada as well to U.S. government agencies worldwide. GENBAND, a leading developer of IP infrastructure and applications solutions, offers market-leading switching, applications, networking and service solutions, with products deployed in more than 80 countries and in over 600 customer networks, including 80 of the world’s top 100 telecommunications operators. “Black Box is pleased to form a new partnership with GENBAND,” said Terry Blakemore, Black Box’s president and chief executive officer. “This new partnership allows customers to take advantage of a host of new products and services while experiencing Black Box’s world-class technical support and customer service. Adding GENBAND’s market-leading, end-to-end products and services to our portfolio helps us continue to offer top-of-the-line technology and innovation while meeting our customers’ distinct needs.” About GENBAND GENBAND is a global leader of IP infrastructure solutions, enabling enterprise, service and content providers around the world to evolve communications networks through IP innovation. The Company offers market-leading switching, applications, networking and service solutions, with products deployed in over 600 customer networks spanning more than 80 countries. GENBAND is headquartered in Frisco, Texas, and has vast resources in R&D, sales and support in more than 50 countries. To learn more, visit the GENBAND website at http://www.GENBAND.com. 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 Network Services Becomes Platinum Partner with GENBAND