3M CO — Director's Dealing 2015

Feb 5, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2015-02-03

Reporting Person: Ashish Khandpur K (Sr. VP, Chief Tech. Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-02-03	Common Stock	A	2115.244	—	Acquired	2939.244	Direct
2015-02-03	Common Stock	F	733	$165.94	Disposed	2206.244	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-02-03	Non-qualified Stock Option (Right to Buy)	$165.94	A	25445	Acquired	2025-02-03	Common Stock (25445)	Direct
2015-02-03	Restricted Stock Units	$	A	133	Acquired		Common Stock (133)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	714	Indirect

Footnotes

F1: This transaction reflects the imminent delivery of 2115.244 shares of 3M Common Stock earned as the result of the vesting of the 2012 performance shares awarded to the reporting person under the 3M Long-Term Incentive Plan. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

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

F3: Includes shares acquired pursuant to the 3M Voluntary Investment Plan.

F4: This option becomes exercisable in equal installments on each of the first three anniversaries of the grant date (2/3/2015).

F5: Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

F6: The restricted stock units will vest 100% on 2/3/2018.