The computations of basic and diluted net income per common share - Omnicom Group Inc. for the three and nine months ended September 30, 2011 and 2010 were (in millions, except per share amounts): | | | | | | | | | | | | | | | | | | Three Months Ended
September 30, | | Nine Months Ended
September 30, | | | | | | | | | | | | | | | | | | 2011 | | 2010 | | 2011 | | 2010 | | | | | | | | | Net Income Available for Common Shares: | | | | | | | | Net income - Omnicom Group Inc. | $ | 203.7 |
| | $ | 174.6 |
| | $ | 680.7 |
| | $ | 581.2 |
| Net income allocated to participating securities | (2.3 | ) | | (1.7 | ) | | (7.3 | ) | | (5.6 | ) | | | | | | | | | Net income available for common shares | $ | 201.4 |
| | $ | 172.9 |
| | $ | 673.4 |
| | $ | 575.6 |
| | | | | | | | | | | | | | | | | Weighted Average Shares: | | | | | | | | Basic | 277.1 |
| | 299.3 |
| | 279.8 |
| | 302.7 |
| Dilutive stock options and restricted shares | 4.3 |
| | 4.2 |
| | 4.5 |
| | 4.2 |
| | | | | | | | | Diluted | 281.4 |
| | 303.5 |
| | 284.3 |
| | 306.9 |
| | | | | | | | | | | | | | | | | | | | | | | | | Anti-dilutive stock options and restricted shares | 2.1 |
| | 9.1 |
| | 1.6 |
| | 9.0 |
| | | | | | | | | Net Income per Common Share - Omnicom Group Inc.: | | | | | | | | Basic | $ | 0.73 |
| | $ | 0.58 |
| | $ | 2.41 |
| | $ | 1.90 |
| Diluted | 0.72 |
| | 0.57 |
| | 2.37 |
| | 1.88 |
|
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