UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): JANUARY 1, 2000 INTER-TEL, INCORPORATED (Exact Name of Registrant as specified in charter) Commission File Number 0-10211 ARIZONA 86-0220994 (State or other jurisdiction (I.R.S. Employer of incorporation) Identification Number) 120 NORTH 44TH STREET, SUITE 200 PHOENIX, ARIZONA 85034-1822 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (602) 302-8900 ITEM 2. ACQUISITION OR DISPOSITION OF ASSETS On January 1, 2000, Inter-Tel, Incorporated (the "Company") completed its acquisition of the computer telephony assets and liabilities of Executone Information Systems, Inc. ("Executone") for $44.3 million in cash plus the assumption of certain liabilities, subject to purchase price adjustments as of the closing date. Inter-Tel intends to continue distributing Executone's products through Executone's existing distribution channel, including National and Government Accounts, and will begin distributing Inter-Tel's products and services through these channels as well. In connection with the acquisition, Inter-Tel expects to take a one-time charge for purchased in-process research and development expenses and other restructuring costs in the first quarter of 2000. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (a) FINANCIAL STATEMENTS OF EXECUTONE INFORMATION SYSTEMS It is impracticable for the Company to provide financial statements for the business acquired at this time. Such financial statements, if required, shall be filed as soon as practicable, but not later than sixty (60) days after the date hereof. (b) PRO FORMA FINANCIAL INFORMATION It is impracticable for the Company to provide pro forma financial information reflecting the Company's acquisition of the computer telephony assets and liabilities of Executone at this time. Such pro forma financial information, if required, shall be filed as soon as practicable, but not later than sixty (60) days after the date hereof. (c) EXHIBITS 2.1 Computer Telephony Asset Purchase Agreement dated as of October 17, 1999 by and between Executone Information Systems, Inc., Inter-Tel, Incorporated and Executone Inter-Tel Business Information Systems, Inc. -2- SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. INTER-TEL, INCORPORATED Dated: JANUARY 14, 2000 BY: /s/ KURT R. KNEIP ------------------------------------ KURT R. KNEIP, CHIEF FINANCIAL OFFICER -3-