Robert L. Byer
Counsel of Record
Duane Morris LLP
600 Grant ST
Suite 5010
Pittsburgh, PA 15219
rlbyer@duanemorris.com
Ph: 4124971083
Party name: AT&T Services, Inc.
Matthew J. Moore
Counsel of Record
Latham & Watkins
555 Eleventh Street, NW
Suite 1000
Washington, DC 20004-1304
matthew.moore@lw.com
Ph: 202-637-2278
Party name: Ciena Corporation and Ciena Communications, Inc.