Exhibit 23.2
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Post-Effective Amendment No. 7 to the Registration Statement on Form S-3 of our report dated February 9, 2004 relating to the consolidated financial statements, which appears in the 3M Company Annual Report on Form 10-K for the year ended December 31, 2003. We also consent to the references to us under the heading "Experts" in such Registration Statement.
| /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP |
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| Minneapolis, Minnesota November 5, 2004 |