ADTRAN, Inc. is a leading global provider of networking and communications equipment, with a portfolio of more than 1,600 solutions for use in the last mile of today's telecommunications networks. Widely deployed by carriers and enterprises alike, ADTRAN solutions enable voice, data, video, and Internet communications across copper, fiber, and wireless network infrastructures. ADTRAN solutions are currently in use by every major U.S. service provider and many global ones, as well as by thousands of public, private and governmental organizations worldwide.

About Verizon Business:

Verizon Business, a unit of Verizon Communications (NYSE: VZ), is a leading provider of advanced communications and information technology (IT) solutions to large-business and government customers worldwide. Combining unsurpassed global network reach with advanced communications, security and other professional service capabilities, Verizon Business delivers innovative and seamless business solutions to customers around the world. For more information, visit www.verizon.com.