Exhibit 99.1 ADTRAN, Inc. Reports Fourth Quarter and Year 2005 Results and Declares Quarterly Cash Dividend HUNTSVILLE, Ala.--(BUSINESS WIRE)--Jan. 23, 2006--ADTRAN, Inc. (NASDAQ:ADTN) reported results for the fourth quarter and year ended December 31, 2005. Sales increased 34% to $140,595,000 for the quarter compared to $104,626,000 for the fourth quarter of 2004, and net income increased 121% to $32,196,000 for the quarter compared to $14,594,000 for the fourth quarter of 2004. Earnings per share, assuming dilution, were $0.41 for the quarter compared to $0.19 for the fourth quarter of 2004. Sales increased 13% to $513,215,000 for the year compared to $454,517,000 for the year 2004. Net income increased 35% to $101,150,000 for the year compared to $75,141,000 for the year 2004. Earnings per share, assuming dilution, were $1.30 for the year compared to $0.93 for the year 2004. Net cash provided by operating activities totaled $40 million for the quarter and a record $129 million for the year 2005. ADTRAN Chief Executive Officer Tom Stanton stated, "Our strategy is clearly working. During 2005, our company achieved record levels of revenue and operating income as we continued to leverage our capabilities and customer base to escalate our positions in new, significantly larger markets. Also, we continued to solidify our leadership positions within our traditional markets. We believe our product development and marketing programs have positioned us extremely well as carriers continue to aggressively invest in broadband and next-generation services, and as IT spending continues to expand." The Company announced that its Board of Directors declared a cash dividend for the fourth quarter of 2005. The quarterly cash dividend is $0.09 per common share to be paid to holders of record at the close of business on February 7, 2006. The ex-dividend date is February 3, 2006 and the payment date is February 17, 2006. The Company also confirmed that its fourth quarter conference call will be held Tuesday, January 24 at 9:30 a.m. Central Time. Guidance for the first quarter and year 2006 will be issued during this conference call. 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 one of the world's most successful network access equipment suppliers, with an 18-year history of profitability and a portfolio of more than 1,300 solutions for use in the last mile of today's telecommunications networks. Widely deployed by both carriers and enterprises, 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 domestic service provider and many international ones, as well as by thousands of public, private and government organizations worldwide. 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, 2004 and our quarterly report on Form 10-Q for the quarter ended September 30, 2005. 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 December 31, 2005 Unaudited (In thousands) December 31, 2005 ----------------- Assets Cash & cash equivalents $ 112,794 Short-term investments 154,080 Accounts receivable (net) 66,246 Other receivables 3,214 Inventory (net) 50,266 Prepaid expenses and other current assets 8,754 ----------------- Total current assets 395,354 Equipment (net) 20,352 Land 4,263 Bldg. & land improvements (net) 60,418 Other assets 1,395 Long-term investments 170,836 ----------------- Total long-term assets 257,264 ------------------ Total assets $ 652,618 ================= Liabilities and stockholders' equity Accounts payable $ 30,000 Accrued wages and benefits 11,678 Accrued liabilities 9,371 ----------------- Total current liabilities 51,049 Deferred tax liabilities 5,330 Other non-current liabilities 4,068 Long term-debt 50,000 ----------------- Total long-term liabilities 59,398 Total liabilities 110,447 Stockholders' equity 542,171 ----------------- ------------------ Total liabilities and stockholders' equity $ 652,618 ================= Condensed Statements of Income (1) For the quarters ending 12/31/05 and 12/31/04 (In thousands, except per share data) Unaudited Fourth Quarter Fourth Quarter 2005 2004 ------------- ------------- Sales $ 140,595 $ 104,626 Cost of Sales 56,363 46,083 ------------- ------------- Gross Profit 84,232 58,543 Selling, general and administrative expenses 24,154 23,040 Research and development expenses 14,857 17,812 ------------- ------------- Profit from operations 45,221 17,691 Interest expense (634) (610) Other income, net 2,704 3,764 ------------- ------------- Income before provision for income taxes 47,291 20,845 Provision for income taxes (15,095) (6,251) ------------- ------------- ------------- -------------- Net income $ 32,196 $ 14,594 ============= ============= Weighted average shares Basic 76,295 76,587 Diluted (2) 78,840 78,725 Earnings per common share Basic $ 0.42 $ 0.19 Diluted (2) $ 0.41 $ 0.19 (1) Certain reclassifications have been made to the 2004 Income Statement in order to conform with the 2005 presentation. These reclassifications had no effect on previously reported net income. (2) Assumes exercise of dilutive stock options calculated under the treasury stock method. Condensed Statements of Income (1) For the periods ending 12/31/05 and 12/31/04 (In thousands, except per share data) Unaudited Year Ended Year Ended 2005 2004 ----------- ----------- Sales $ 513,215 $ 454,517 Cost of Sales 209,895 195,182 ----------- ----------- Gross Profit 303,320 259,335 Selling, general and administrative expenses 96,411 90,190 Research and development expenses 62,654 67,384 ----------- ----------- Profit from operations 144,255 101,761 Interest expense (2,535) (2,542) Other income, net 11,654 10,797 ----------- ----------- Income before provision for income taxes 153,374 110,016 Provision for income taxes (52,224) (34,875) ----------- ----------- ----------- ----------- Net income $ 101,150 $ 75,141 =========== =========== Weighted average shares Basic 75,775 78,235 Diluted (2) 77,966 80,985 Earnings per common share Basic $ 1.33 $ 0.96 Diluted (2) $ 1.30 $ 0.93 (1) Certain reclassifications have been made to the 2004 Income Statement in order to conform with the 2005 presentation. These reclassifications had no effect on previously reported net income. (2) Assumes exercise of dilutive stock options calculated under the treasury stock method. CONTACT: ADTRAN, Inc. Jim Matthews, 256-963-8775 or Investor Services/Assistance: Gayle Ellis, 256-963-8220