Omnicom Group Inc. reported financial results for the fourth quarter and full year of 2006. In the fourth quarter, net income increased 9.7% to $277.2 million and diluted EPS grew 14.9% to $1.62. For the full year, net income rose 9.3% to $864 million and diluted EPS increased 14.4% to $4.99. Worldwide revenue increased 9.4% in the fourth quarter to $3.2 billion and 8.5% for the full year to $11.4 billion.