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Omnicom Group and Interpublic Group (IPG) shareholders have voted to approve the combination of the two rival holding companies.
The stockholders voted on Omnicom’s proposed takeover of IPG during a meeting held today (March 18). Shareholder approval marks a significant milestone in the process of combining the two companies, which would create the world’s largest advertising network by revenues, overtaking rivals Publicis Groupe and WPP.
The companies still expect the takeover, first announced in December 2024, to close in the second half of 2025. The transaction must still go through regulatory approvals.
As the companies previously announced, upon completion of the deal, Omnicom shareholders will own 60.6%
