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): October 4, 1999 DATA GENERAL CORPORATION ------------------------------------------------------ (Exact name of registrant as specified in its charter) Delaware 1-7352 04-2436397 - --------------------------- ------------ ------------------- (State or Other Jurisdiction (Commission (I.R.S. Employer of Incorporation) File Number) Identification No.) 4400 Computer Drive, Westboro, Massachusetts 01580 - ---------------------------------------------- ----------- (Address of Principal Executive Offices) (Zip code) Registrant's telephone number, including area code: (508) 898-5000 --------------- Not Applicable ------------------------------------------------------------- (Former Name or Former Address, if changed since last report) Item 5. Other Events. Data General Corporation has announced that when the company's merger with EMC Corporation is completed, its shareholders will receive 0.3125 shares of EMC common stock for each share of Data General common stock they hold. The exchange ratio is based on the $68.97 average price for EMC common stock during the 20-day trading period that ended October 1. A copy of a press release issued by Data General announcing the exchange ratio is attached hereto as Exhibit 99.1 and is incorporated herein by reference. Item 7. Exhibits. Exhibit Number Description - -------- ----------- 99.1 Press Release dated October 4, 1999 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 hereunto duly authorized. DATA GENERAL CORPORATION By: /s/ Jacob Frank -------------------- Jacob Frank Vice President and General Counsel Date: October 4, 1999 EXHIBIT INDEX Item 7. Exhibits. Exhibit Number Description - -------- ------------ 99.1 Press Release dated October 4, 1999