MMM

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 12

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,081.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 11

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,191.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 10

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,391.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 9

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,406.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 8

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,506.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 7

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,881.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 6

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,016.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 5

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,216.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 4

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,419.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 3

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,519.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 2

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,601.0024

SEC source: 0001127602-19-004981 · form4.xml · nonDerivative · entry 1

Bushman Julie L · CIK 0001518599 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,701.0024

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-19-004488 · form4.xml · derivative · entry 3

Ludgate Kristen M · CIK 0001727434 · Sr Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,468

Underlying: Common Stock · 20,468 shares

Expires 2029-02-04

SEC source: 0001127602-19-004488 · form4.xml · nonDerivative · entry 2

Ludgate Kristen M · CIK 0001727434 · Sr Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,472.6297

F1 · shares: Represents shares of 3M common stock that will be delivered imminently pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004488 · form4.xml · nonDerivative · entry 1

Ludgate Kristen M · CIK 0001727434 · Sr Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,832.4837

F1 · shares: Represents shares of 3M common stock that will be delivered imminently pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004492 · form4.xml · derivative · entry 3

Roman Michael F · CIK 0001577544 · Director · Chief Exec Officer & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,240

Underlying: Common Stock · 146,240 shares

Expires 2029-02-04

SEC source: 0001127602-19-004492 · form4.xml · nonDerivative · entry 2

Roman Michael F · CIK 0001577544 · Director · Chief Exec Officer & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,113.7822

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004492 · form4.xml · nonDerivative · entry 1

Roman Michael F · CIK 0001577544 · Director · Chief Exec Officer & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,313.5722

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004480 · form4.xml · derivative · entry 3

Lindekugel Jon T · CIK 0001608409 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,516

Underlying: Common Stock · 10,516 shares

Expires 2029-02-04

SEC source: 0001127602-19-004480 · form4.xml · nonDerivative · entry 2

Lindekugel Jon T · CIK 0001608409 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,475.1511

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016 and May 1, 2017. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004480 · form4.xml · nonDerivative · entry 1

Lindekugel Jon T · CIK 0001608409 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,618.8981

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016 and May 1, 2017. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004370 · form4.xml · derivative · entry 3

Banovetz John Patrick · CIK 0001711228 · Sr Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,341

Underlying: Common Stock · 19,341 shares

Expires 2029-02-04

SEC source: 0001127602-19-004370 · form4.xml · nonDerivative · entry 2

Banovetz John Patrick · CIK 0001711228 · Sr Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,773.7846

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on 3/1/2016 and 7/3/2017. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer 50% of the shares issuable pursuant to the award and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004370 · form4.xml · nonDerivative · entry 1

Banovetz John Patrick · CIK 0001711228 · Sr Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,437.5126

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on 3/1/2016 and 7/3/2017. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer 50% of the shares issuable pursuant to the award and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004504 · form4.xml · derivative · entry 3

Vrohidis Ippocratis · CIK 0001710917 · Vice President & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,014

Underlying: Common Stock · 7,014 shares

Expires 2029-02-04

SEC source: 0001127602-19-004504 · form4.xml · nonDerivative · entry 2

Vrohidis Ippocratis · CIK 0001710917 · Vice President & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,391.5774

F1 · shares: Represents shares of 3M common stock that will be delivered imminently pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004504 · form4.xml · nonDerivative · entry 1

Vrohidis Ippocratis · CIK 0001710917 · Vice President & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,896.3254

F1 · shares: Represents shares of 3M common stock that will be delivered imminently pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004500 · form4.xml · derivative · entry 3

Vale Michael G. · CIK 0001527527 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,172

Underlying: Common Stock · 33,172 shares

Expires 2029-02-04

SEC source: 0001127602-19-004500 · form4.xml · nonDerivative · entry 2

Vale Michael G. · CIK 0001527527 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,319.2179

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004500 · form4.xml · nonDerivative · entry 1

Vale Michael G. · CIK 0001527527 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,553.9339

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004495 · form4.xml · derivative · entry 4

THULIN INGE G · CIK 0001263739 · Director · Exec Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,543

Underlying: Common Stock · 68,543 shares

Expires 2029-02-04

SEC source: 0001127602-19-004495 · form4.xml · nonDerivative · entry 2

THULIN INGE G · CIK 0001263739 · Director · Exec Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 268,367.3864

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004495 · form4.xml · nonDerivative · entry 1

THULIN INGE G · CIK 0001263739 · Director · Exec Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269,278.4514

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004490 · form4.xml · derivative · entry 3

Poul Mojdeh · CIK 0001743760 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,172

Underlying: Common Stock · 33,172 shares

Expires 2029-02-04

SEC source: 0001127602-19-004490 · form4.xml · nonDerivative · entry 2

Poul Mojdeh · CIK 0001743760 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 963.8381

F1 · shares: Represents shares of 3M common stock that will be delivered imminently pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004490 · form4.xml · nonDerivative · entry 1

Poul Mojdeh · CIK 0001743760 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,503.6321

F1 · shares: Represents shares of 3M common stock that will be delivered imminently pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004460 · form4.xml · derivative · entry 5

Ashish Khandpur K · CIK 0001614139 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,127

Underlying: Common Stock · 51,127 shares

Expires 2029-02-04

SEC source: 0001127602-19-004460 · form4.xml · nonDerivative · entry 2

Ashish Khandpur K · CIK 0001614139 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,371.3822

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004460 · form4.xml · nonDerivative · entry 1

Ashish Khandpur K · CIK 0001614139 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,499.2672

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004440 · form4.xml · derivative · entry 3

Keel Paul A · CIK 0001626337 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,289

Underlying: Common Stock · 26,289 shares

Expires 2029-02-04

SEC source: 0001127602-19-004440 · form4.xml · nonDerivative · entry 2

Keel Paul A · CIK 0001626337 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,598.9991

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004440 · form4.xml · nonDerivative · entry 1

Keel Paul A · CIK 0001626337 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,724.7971

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004429 · form4.xml · derivative · entry 3

Hammes Eric D. · CIK 0001610493 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,904

Underlying: Common Stock · 19,904 shares

Expires 2029-02-04

SEC source: 0001127602-19-004429 · form4.xml · nonDerivative · entry 2

Hammes Eric D. · CIK 0001610493 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,870.1369

F1 · shares: Represents shares of 3M common stock that will be delivered imminently pursuant to the terms of a performance share award made to the reporting person on March 1, 2016 and July 3, 2017. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

SEC source: 0001127602-19-004429 · form4.xml · nonDerivative · entry 1

Hammes Eric D. · CIK 0001610493 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,897.2889

F1 · shares: Represents shares of 3M common stock that will be delivered imminently pursuant to the terms of a performance share award made to the reporting person on March 1, 2016 and July 3, 2017. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004426 · form4.xml · derivative · entry 3

Gangestad Nicholas C · CIK 0001515709 · Sr. VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,232

Underlying: Common Stock · 53,232 shares

Expires 2029-02-04

SEC source: 0001127602-19-004426 · form4.xml · nonDerivative · entry 2

Gangestad Nicholas C · CIK 0001515709 · Sr. VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,190.7564

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on 3/1/2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer 50% of the shares issuable pursuant to the award and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004426 · form4.xml · nonDerivative · entry 1

Gangestad Nicholas C · CIK 0001515709 · Sr. VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,844.1174

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on 3/1/2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer 50% of the shares issuable pursuant to the award and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

SEC source: 0001127602-19-004417 · form4.xml · derivative · entry 4

Bauman James L · CIK 0001628097 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,172

Underlying: Common Stock · 33,172 shares

Expires 2029-02-04

SEC source: 0001127602-19-004417 · form4.xml · nonDerivative · entry 2

Bauman James L · CIK 0001628097 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,402.8483

F1 · shares: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on March 1, 2016. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary.

F2 · balance_after: Includes shares acquired under 3M's General Employee Stock Purchase Plan.