SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Act of 1934 Date of Report (Date of earliest event reported): May 23, 1998 VIALOG CORPORATION - -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Massachusetts 333-44041 04-3305282 - -------------------------------------------------------------------------------- (State or other (Commission (I.R.S. Employer jurisdiction File Number) Identification No.) of incorporation) 10 New England Business Center, Suite 302 Andover, MA 01810 - -------------------------------------------------------------------------------- (Address of principal executive offices) Registrant's telephone number, including area code (978) 975-3700 - -------------------------------------------------------------------------------- (Former name or former address, if changed since last report.) Item 5. Other Events On May 23, 1998, VIALOG Corporation ("VIALOG") entered into a definitive merger agreement (the "Merger Agreement") with A Business Conference Call, Inc. ("ABCC"), an independent provider of teleconferencing services based in Chaska, Minnesota. Pursuant to the terms of the Merger Agreement, VIALOG will acquire all of the outstanding capital stock of ABCC for approximately $14 million in cash. ABCC's 1997 revenues totaled approximately $5.7 million. The closing of the transactions under the Merger Agreement is contingent upon VIALOG and ABCC satisfying the conditions specified in the Merger Agreement. The press release announcing the Merger Agreement and the Merger Agreement are attached hereto as Exhibits 99.1 and 99.2, respectively, and are incorporated herein by reference. Item 7. Financial Statements and Exhibits (c) Exhibits 99.1 Press Release regarding Merger Agreement dated May 28, 1998 99.2 Agreement and Plan of Reorganization By and Among VIALOG Corporation, ABC Acquisition Corporation, A Business Conference Call, Inc. and Daniel L. Barber and Robert M. Kalla dated as of May 23, 1998 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 duly authorized. VIALOG CORPORATION Date: May 28, 1998 By: /s/ Glenn D. Bolduc -------------------- Glenn D. Bolduc, President EXHIBIT INDEX Exhibit ------- 99.1 Press Release regarding Merger Agreement dated May 28, 1998 99.2 Agreement and Plan of Reorganization By and Among ABC Acquisition Corporation, A Business Conference Call, Inc. and Daniel L. Barber and Robert M. Kalla dated as of May 23, 1998