Palm Beach Gardens, Florida, May 14, 2008 — Dycom Industries, Inc. (NYSE: DY) will release its fiscal 2008 third quarter results on Tuesday, May 20, 2008 after the close of trading on the New York Stock Exchange.

Dycom has scheduled a conference call for Wednesday, May 21, 2008, at 9:00 a.m. (ET). To participate in the conference call, dial (United States) 800-230-1096 or (International) 612-332-0107 ten minutes before the conference call begins and ask for the "Dycom Results" conference call. A live webcast of the conference call will be available at http://www.dycomind.com. If you are unable to attend the conference call at the scheduled time, a replay of the live webcast will also be available at http://www.dycomind.com until Friday, June 20, 2008.

Dycom is a leading provider of specialty contracting services throughout the United States. These services include engineering, construction, maintenance and installation services to telecommunications providers, underground facility locating services to various utilities including telecommunications providers, and other construction and maintenance services to electric utilities and others.