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 13, 1997 (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. On February 10, 1997, the Board of Directors proposed to amend Articles FOURTH: A. and TENTH: A. of the Registrant's Restated Certificate of Incorporation (i) to increase the number of authorized shares of common stock of the Registrant from 500,000,000 shares to 1,000,000,000 shares (ii) and to change the par value of the Registrant's common stock from "no par value" to "$0.50 par value". Such amendment was approved by the stockholders at the Annual Meeting held on May 13, 1997. Attached hereto as Exhibit 3.1 is the Restated Certificate of Incorporation of the Registrant. 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/ Gregg M. Larson Gregg M. Larson, Assistant Secretary Dated: June 30, 1997