fourth quarter of 2014 declined 4.5 percent year-on-year to 650.9 million, which increased earnings per diluted share by approximately 8 cents. Foreign exchange impacts decreased earnings per diluted share by approximately 5 cents.

 

Year 2014 results:

 

For total year 2014, net income attributable to 3M was $4.956 billion, or $7.49 per diluted share, compared to $4.659 billion, or $6.72 per diluted share, in 2013, an increase of 11.5 percent on a per diluted share basis. Sales totaled $31.8 billion, an increase of 3.1 percent from 2013. From a business segment perspective, organic local-currency sales growth was 5.8 percent in Health Care, 5.4 percent in Safety and Graphics, 5.2 percent in Electronics and Energy, 4.9 percent in Industrial, and 3.9 percent in Consumer. From a geographic area perspective, 2014 organic local-currency sales growth was 6.3 percent in Asia Pacific, 4.9 percent in the United States, 4.5 percent in Latin America/Canada, and 3.2 percent in EMEA. For the Company in total, organic local-currency sales grew 4.9 percent, with higher organic volumes contributing 3.9 percent and selling price increases contributing 1.0 percent. Acquisitions added 0.1 percent to sales, driven by the Treo acquisition discussed above. Foreign currency translation reduced sales by 1.9 percent year-on-year.

 

Operating income in 2014 was 22.4 percent of sales, compared to 21.6 percent of sales in 2013, an increase of 0.8 percentage points. These results included a benefit from the combination of selling price increases and raw material cost decreases, lower pension/postretirement benefit costs, and profit leverage on organic volume growth. These factors were partially offset by strategic investments and other factors. Refer to the section entitled “Results of Operations” for further discussion.

 

The income tax rate was 28.9 percent in 2014, up 0.8 percentage points versus 2013, which decreased earnings per diluted share by approximately 8 cents. Weighted-average diluted shares outstanding in 2014 declined 4.6 percent year-on-year to 662.0 million, which increased earnings per diluted share by approximately 34 cents. Foreign exchange impacts decreased earnings per diluted share by approximately 15 cents.

 

Fourth quarter of 2013 results:

 

Fourth-quarter 2013 net income attributable to 3M was $1.103 billion, or $1.62 per diluted share, compared to $991 million, or $1.41 per diluted share, in the fourth quarter of 2012. Fourth-quarter 2013 sales totaled $7.6 billion, an increase of 2.4 percent from the fourth quarter of 2012. 3M achieved organic local-currency sales growth (which includes organic volume and selling price impacts) in all five of its business segments, led by Industrial. Industrial organic local-currency sales increased 5.8 percent, led by advanced materials, automotive OEM, 3M Purification Inc. (filtration products), aerospace and commercial transportation, and automotive aftermarket. Organic local-currency sales increased 4.7 percent in Safety and Graphics, led by roofing granules, personal safety, and commercial solutions. Organic local-currency sales grew 3.6 percent in the Health Care business segment, with the