As described in this Current Report, during the first quarter of 2009, 3M effected certain business segment realignments, which included both product moves between business segments and reporting changes related to revised U.S. performance measures. This Current Report includes supplemental unaudited historical business segment sales and operating income information to reflect these business segment realignments on both an annual and quarterly basis for the years ended December 31, 2008, 2007 and 2006 (furnished hereunder as Exhibit 99 and incorporated herein by reference).The Company did not operate under the realigned business segments structure for any of these prior periods and will begin to report comparative results under the new structure with the filing of its Quarterly Report on Form 10-Q for the quarter ended March 31, 2009.

The information contained in this Current Report shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be incorporated by reference into a filing under the Securities Act of 1933, or the Exchange Act.

(c) Exhibits

Exhibit Number                                Description

99               Supplemental unaudited historical business segment information based
                 on segment realignments effected during the first quarter of 2009
                 (furnished pursuant to Item 2.02 hereof)