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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED STATES</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">WASHINGTON, DC 20549</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;8-K</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT REPORT PURSUANT</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">TO SECTION&nbsp;13 OR 15(D)&nbsp;OF THE</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">SECURITIES EXCHANGE ACT OF 1934</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of report (Date of earliest event reported):&nbsp; <b>August&nbsp;23, 2013</b></font></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">3M COMPANY</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact Name of Registrant as Specified in Its Charter)</font></p>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Delaware</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or Other Jurisdiction of Incorporation)</font></p>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">File   No.&nbsp;1-3285</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">41-0417775</font></b></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission File Number)</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(IRS Employer   Identification No.)</font></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">3M   Center, St. Paul, Minnesota</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">55144-1000</font></b></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of Principal   Executive Offices)</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Zip Code)</font></p>    </td>   </tr>  </table>
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<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(651) 733-1110</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant&#146;s Telephone Number,&nbsp;Including Area Code)</font></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Former Name or Former Address, if Changed Since Last Report)</font></p>
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<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box below if the Form&nbsp;8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp; Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp; Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp; Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under the Exchange Act (17 CFR 240.14d-2(b))</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp; Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under the Exchange Act (17 CFR 240.13e-4(c))</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item&nbsp;1.01 <u>Entry Into A Material Definitive Agreement</u></font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On August&nbsp;23, 2013, 3M Company entered into a $150 million bilateral letter of credit agreement (the &#147;Agreement&#148;) with HSBC Bank USA, National Association (the &#147;Bank&#148;).</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Agreement includes provisions regarding 3M&#146;s guaranty of obligations incurred by its subsidiaries under the Agreement and contains customary representations, warranties and covenants, including but not limited to covenants restricting our ability to incur liens, merge or consolidate into another entity. Further, the Agreement contains a covenant requiring us to maintain our EBITDA to Interest Ratio as of the end of each quarter at not less than 3.0 to 1. This is calculated as the ratio of consolidated EBITDA for the four consecutive quarters then ended to interest payable on all funded debt for the same period.</font></p>
<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The full terms and conditions of the letter of credit facility are set forth in the Agreement. A copy of the Agreement is filed as Exhibit&nbsp;10.1 hereto and is incorporated by reference herein.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Bank and its affiliates have various relationships with 3M and its subsidiaries involving the provision of financial services.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item 2.03. <u>Creation of a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement of a Registrant</u></font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The information described above under &#147;Item 1.01. Entry into a Material Definitive Agreement&#148; with respect to the Agreement is hereby incorporated by reference.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item&nbsp;9.01 <u>Financial Statements and Exhibits</u></font></p>
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<p style="margin:0in 0in .0001pt 54.75pt;text-indent:-18.75pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Exhibits:</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Description&nbsp;of&nbsp;Exhibits</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.1</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Bilateral   Letter of Credit Agreement dated as of August&nbsp;23, 2013</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">SIGNATURE</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">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.</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3M   COMPANY</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Gregg M. Larson</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Gregg   M. Larson,</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Deputy   General Counsel&nbsp;&amp; Secretary</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dated:   August&nbsp;27, 2013</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2<a name="PB_2_175121_7056"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">INDEX TO EXHIBITS</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Description&nbsp;of&nbsp;Exhibits</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.1</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Bilateral   Letter of Credit Agreement dated as of August&nbsp;23, 2013</font></p>    </td>   </tr>  </table>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3<a name="PB_3_175203_5335"></a></font></p>
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{"company-data": {"conformed-name": "3M CO", "cik": "0000066740", "assigned-sic": "3841", "irs-number": "410417775", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-03285", "film-number": "131063270"}, "business-address": {"street1": "3M CENTER", "street2": "BLDG. 220-11W-02", "city": "ST PAUL", "state": "MN", "zip": "55144-1000", "phone": "6517332204"}, "mail-address": {"street1": "3M CENTER", "street2": "BLDG. 220-11W-02", "city": "ST. PAUL", "state": "MN", "zip": "55144-1000"}, "former-company": {"former-conformed-name": "MINNESOTA MINING & MANUFACTURING CO", "date-changed": "19920703"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 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):
August 23, 2013
3M COMPANY
(Exact Name of Registrant as Specified in Its Charter)
Delaware
(State or Other Jurisdiction of Incorporation)
File   No. 1-3285
41-0417775
(Commission File Number)
(IRS Employer   Identification No.)
3M   Center, St. Paul, Minnesota
55144-1000
(Address of Principal   Executive Offices)
(Zip Code)
(651) 733-1110
(Registrant's Telephone Number, Including Area Code)
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 1.01
Entry Into A Material Definitive Agreement
On August 23, 2013, 3M Company entered into a $150 million bilateral letter of credit agreement (the "Agreement") with HSBC Bank USA, National Association (the "Bank").
The Agreement includes provisions regarding 3M's guaranty of obligations incurred by its subsidiaries under the Agreement and contains customary representations, warranties and covenants, including but not limited to covenants restricting our ability to incur liens, merge or consolidate into another entity. Further, the Agreement contains a covenant requiring us to maintain our EBITDA to Interest Ratio as of the end of each quarter at not less than 3.0 to 1. This is calculated as the ratio of consolidated EBITDA for the four consecutive quarters then ended to interest payable on all funded debt for the same period.
The full terms and conditions of the letter of credit facility are set forth in the Agreement. A copy of the Agreement is filed as Exhibit 10.1 hereto and is incorporated by reference herein.
The Bank and its affiliates have various relationships with 3M and its subsidiaries involving the provision of financial services.
Item 2.03.
Creation of a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement of a Registrant
The information described above under "Item 1.01. Entry into a Material Definitive Agreement" with respect to the Agreement is hereby incorporated by reference.
Item 9.01
Financial Statements and Exhibits
(d)           Exhibits:
Exhibit
Number
Description of Exhibits
10.1
Bilateral   Letter of Credit Agreement dated as of August 23, 2013
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.
3M   COMPANY
By:
/s/   Gregg M. Larson
Gregg   M. Larson,
Deputy   General Counsel & Secretary
Dated:   August 27, 2013
2
INDEX TO EXHIBITS
Exhibit
Number
Description of Exhibits
10.1
Bilateral   Letter of Credit Agreement dated as of August 23, 2013
3