SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 11-K/A Annual Report Pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 30, 1998 Commission File No. 0-24612 ADTRAN, INC. 401(k) EMPLOYEE SAVINGS PLAN ADTRAN, Inc. (Exact name of Registrant as specified in its charter) Delaware (63-0918200) (State of incorporation) (I.R.S. Employer Identification Number) 901 Explorer Boulevard, Huntsville, Alabama 35806-2807 (Address of principal executive offices, including zip code) (256) 963-8000 (Registrant's telephone number, including area code) Required Information: The Plan is subject to the Employee Retirement Income Security Act of 1974 ("ERISA"). Therefore, in lieu of the requirements of Items 1-3 of Form 11-K, the financial statements and schedules of the Plan for the two fiscal years ended December 31, 1998 and 1997, which have been prepared in accordance with the financial reporting requirements of ERISA, and the consent of PricewaterhouseCoopers LLP, are filed as a part of this annual report: Signatures: Pursuant to the requirements of the Securities Exchange Act of 1934, the trustees (or other persons who administer the Plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized. ADTRAN, Inc. 401(k) EMPLOYEE SAVINGS PLAN /s/ John R. Cooper July 01, 1999 - ------------------ ------------- John R. Cooper Date Vice President - Administration and Finance and Chief Financial Officer