(Millions, except per-share amounts)
2011

First
Quarter

Second
Quarter

Third
Quarter

Fourth
Quarter

Year
2011

Net sales

$

7,311

$

7,680

$

7,531

$

7,089

$

29,611

Cost of sales

3,802

4,040

4,027

3,824

15,693

Net income attributable to 3M

1,081

1,160

1,088

954

4,283

Earnings per share attributable to 3M common shareholders — basic

1.52

1.63

1.54

1.36

6.05

Earnings per share attributable to 3M common shareholders — diluted

1.49

1.60

1.52

1.35

5.96

(Millions, except per-share amounts)
2010

First
Quarter

Second
Quarter

Third
Quarter

Fourth
Quarter

Year
2010

Net sales

$

6,348

$

6,731

$

6,874

$

6,709

$

26,662

Cost of sales

3,238

3,435

3,583

3,575

13,831

Net income attributable to 3M

930

1,121

1,106

928

4,085

Earnings per share attributable to 3M common shareholders — basic

1.31

1.57

1.55

1.30

5.72

Earnings per share attributable to 3M common shareholders — diluted

1.29

1.54

1.53

1.28

5.63