On July 14, 2008, ADTRAN, Inc. announced its financial results for the fiscal quarter ended June 30, 2008 and certain other information.

ADTRAN also announced that its Board of Directors declared a quarterly cash dividend. The quarterly cash dividend is $0.09 per common share to be paid to holders of record at the close of business on July 31, 2008. The ex-dividend date is July 29, 2008 and the payment date is August 14, 2008.

A copy of ADTRAN's press release announcing such financial results and other information is attached as Exhibit 99.1 hereto and incorporated by reference herein.

In addition, ADTRAN has posted supplemental information regarding revenues by product category, subcategory and segment for the fiscal quarter ended June 30, 2008 on the Investor Relations page of its website, www.adtran.com. A copy of the supplemental information is attached as Exhibit 99.2 hereto and incorporated by reference herein.

(c) Exhibits.

The following exhibits are furnished as part of this Current Report on Form 8-K.

Exhibit Number   Description
    99.1         Press Release dated July 14, 2008.

    99.2         Revenues by product and segment classification