SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 ------------------ FORM 8K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) FEBRUARY 25, 2000 ------------------------------- QUINTUS CORPORATION - -------------------------------------------------------------------------------- (Exact name of Registrant as Specified in Charter) Delaware 333-86919 77-0021612 - -------------------------------------------------------------------------------- (State or Other Jurisdiction (Commission File (IRS Employer of Incorporation) Number) Identification No.) 47212 MISSION FALLS COURT, FREMONT, CALIFORNIA 94539 - -------------------------------------------------------------------------------- (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code (510) 624-2800 ------------------------------ N/A - -------------------------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report) Item 5. Other Events. On February 25, 2000, Quintus Corporation, a Delaware corporation, signed a definitive agreement and plan of merger with Mustang.com, a California corporation. The agreement provides for the acquisition of Mustang.com by Quintus Corporation in a stock merger. A copy of the press release dated February 28, 2000 is attached hereto as Exhibit 1. 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 thereunto duly authorized. QUINTUS CORPORATION By: /s/ Susan Salvesen ----------------------------------- Name: Susan Salvesen Title: Chief Financial Officer February 28, 2000 3