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: May 15, 1996 BBN Corporation (Exact name of registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation) 1-6435 04-2164398 (Commission File Number) (I.R.S. Employer Identification Number) 150 CambridgePark Drive, Cambridge, Massachusetts 02140 (Address of principal executive offices) (zip code) Registrant's telephone number, including area code: (617) 873-2000 (Former name or former address, if changed since last report.) Item 5. Other Events. In connection with the "Safe Harbor" Provisions of the Private Securities Litigation Reform Act of 1995, BBN Corporation (the "Company") is hereby filing cautionary statements identifying important factors that could cause the Company's actual results to differ materially from those projected in forward- looking statements made by, or on behalf of, the Company. Item 7. Financial Statements and Exhibits. The following is filed as an Exhibit to this Report. Exhibit: 99.1 Cautionary Statement for Purposes of the "Safe Harbor" Provisions of the Private Securities Litigation Reform Act of 1995. SIGNATURES 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. BBN Corporation Dated: May 15, 1996 By: /s/ Paul F. Brauneis Paul F. Brauneis Vice President and Corporate Controller Exhibit Index Number Exhibit Page 99.1 Cautionary Statement for Purposes of the 4 "Safe Harbor" Provisions of the Private Securities Litigation Reform Act of 1995.