EXHIBIT 99.1 ADTRAN, Inc. Reports First Quarter 2007 Results and Declares Quarterly Cash Dividend HUNTSVILLE, Ala.--(BUSINESS WIRE)--April 16, 2007--ADTRAN, Inc. (NASDAQ:ADTN) reported results for the first quarter of 2007. Sales were $110,312,000 for the quarter compared to $108,648,000 for the first quarter of 2006. Net income was $16,928,000 for the quarter compared to $16,255,000 for the first quarter of 2006. Earnings per share, assuming dilution, were $0.24 for the quarter compared to $0.21 for the first quarter of 2006. The Company also reported that the first quarter results included a benefit of $893,000 in "Provision for income taxes," primarily relating to closure of tax audits from prior years. The results also included a pre-tax life insurance benefit of $1,000,000 in "Other income" for an event that occurred in the first quarter of 2007. These two items increased earnings per share, assuming dilution, by approximately $0.02 in the first quarter. ADTRAN Chief Executive Officer Tom Stanton stated, "First quarter revenues were better than anticipated due to strength in HDSL demand, improving broadband access trends, and ongoing momentum in internetworking products. We believe our company is well positioned for continuing growth as a result of introductions and new business wins with Broadband and Optical Access products, and current activities related to our new product launches." The Company also announced that its Board of Directors declared a cash dividend for the first quarter of 2007. The quarterly cash dividend is $0.09 per common share to be paid to holders of record at the close of business on May 3, 2007. The ex-dividend date is May 1, 2007 and the payment date is May 17, 2007. The Company also confirmed that its first quarter conference call will be held Tuesday, April 17, 2007 at 9:30 a.m. Central Time. This conference call will be web cast live through StreetEvents.com. To listen, simply visit the Investor Relations site at http://www.adtran.com or http://streetevents.com approximately 10 minutes prior to the start of the call and click on the conference call link provided. An online replay of the conference call will be available for seven days at http://streetevents.com. In addition, an online replay of the conference call, as well as the text of the Company's earnings release, will be available on the Investor Relations site at http://www.adtran.com for at least 12 months following the call. 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. For more information, contact the company at 800 9ADTRAN (800 923-8726) or via email at info@adtran.com. On the Web, visit www.adtran.com. This press release contains forward-looking statements which reflect management's best judgment based on factors currently known. However, these statements involve risks and uncertainties, including the successful development and market acceptance of new products, the degree of competition in the market for such products, the product and channel mix, component costs, manufacturing efficiencies, and other risks detailed in our annual report on Form 10-K for the year ended December 31, 2006. These risks and uncertainties could cause actual results to differ materially from those in the forward-looking statements included in this press release. Condensed Balance Sheet March 31, 2007 Unaudited (In thousands) March 31, 2007 -------------- Assets Cash & cash equivalents $24,168 Short-term investments 131,005 Accounts receivable (net) 56,247 Other receivables 3,803 Inventory (net) 48,898 Prepaid expenses and other current assets 10,189 -------------- Total current assets 274,310 Equipment (net) 17,857 Land 4,263 Bldg. & land improvements (net) 57,435 Other assets 526 Long-term investments 182,467 -------------- Total long-term assets 262,548 -------------- Total assets $536,858 ============== Liabilities and stockholders' equity Accounts payable $20,158 Accrued wages and benefits 7,002 Accrued liabilities 13,566 -------------- Total current liabilities 40,726 Deferred tax liabilities 1 Other non-current liabilities 6,363 Long term-debt 48,812 -------------- Total long-term liabilities 55,176 Total liabilities 95,902 Stockholders' equity 440,956 -------------- -------------- Total liabilities and stockholders' equity $536,858 ============== Condensed Statements of Income For the three month periods ended March 31, 2007 and 2006 (In thousands, except per share data) Unaudited Three Months Ended Three Months Ended March 31, 2007 March 31, 2006 ------------------ ------------------ Sales $110,312 $108,648 Cost of Sales 44,522 44,140 ------------------ ------------------ Gross Profit 65,790 64,508 Selling, general and administrative expenses 26,476 24,687 Research and development expenses 18,358 17,766 ------------------ ------------------ Income from operations 20,956 22,055 Interest expense (619) (634) Other income, net 4,289 4,037 ------------------ ------------------ Income before provision for income taxes 24,626 25,458 Provision for income taxes (7,698) (9,203) ------------------ ------------------ Net income $16,928 $16,255 ================== ================== Weighted average shares Basic 69,358 76,655 Diluted (1) 70,889 78,909 Earnings per common share Basic $0.24 $0.21 Diluted (1) $0.24 $0.21 (1) Assumes exercise of dilutive stock options calculated under the treasury stock method. CONTACT: ADTRAN, Inc. Jim Matthews, 256-963-8775 Senior Vice President/CFO or Investor Services/Assistance: Gayle Ellis, 256-963-8220