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: December 16, 1998 (Date of earliest event reported) MINNESOTA MINING AND MANUFACTURING COMPANY (Exact name of registrant as specified in its charter) File No. 1-3285 (Commission File Number) Delaware 41-0417775 (State of incorporation) (I.R.S. Employer Identification Number) 3M Center 55144-1000 St. Paul, Minnesota (Zip Code) (Address of principal executive offices) Registrant's telephone, including area code: (612) 733-1110 ITEM 5. OTHER EVENTS. In a release dated December 16, 1998, the Registrant announced that it expects fourth-quarter earnings to be below those in the same quarter last year. The news release also contained forward-looking statements relating to the fourth-quarter of 1998 and 1999. The news release is attached as Exhibit 99 and incorporated by reference herein. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS. (c) Exhibits Required by Item 601 of Regulation S-K EXHIBIT NO. DESCRIPTION ---------- ----------- 99 News Release dated December 16, 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 thereunto duly authorized on the date indicated. MINNESOTA MINING AND MANUFACTURING COMPANY By: /s/ Janet L. Yeomans -------------------- Janet L. Yeomans, Vice President and Treasurer Dated: December 16, 1998 EXHIBIT INDEX EXHIBIT DESCRIPTION - ------ ----------- 99 Press Release dated December 16, 1998