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Business Combinations, Asset Acquisitions, Transaction between Entities under Common Control, and Joint Venture Formation | 3 Months Ended
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Mar. 31, 2025
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] |
Mergers, Acquisitions and Dispositions Disclosures | Note 2: Planned Acquisition of IPG by Omnicom On December 8, 2024, we entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Omnicom Group Inc. (“Omnicom”) and EXT Subsidiary Inc., a direct wholly owned subsidiary of Omnicom (“Merger Sub”), pursuant to which Merger Sub will merge with and into IPG, with IPG surviving the merger as a direct wholly owned subsidiary of Omnicom. As a result of the merger, each share of IPG common stock issued and outstanding immediately prior to the effective time of the merger (other than certain excluded shares) will be converted into the right to receive 0.344 shares of Omnicom common stock and, if applicable, cash in lieu of fractional shares. The exchange ratio is fixed and will not be adjusted to reflect stock price changes prior to closing the merger. Following the close of the transaction, Omnicom shareholders will own 60.6% of the combined company and IPG shareholders will own 39.4%, on a fully diluted basis. As a result of the merger, we will cease to be a publicly traded company. The Merger Agreement contains customary representations, warranties, and covenants. The stock-for-stock transaction is expected to be tax-free to IPG shareholders and is expected to close in the second half of 2025, subject to required domestic and foreign regulatory approvals and other customary conditions. On March 12, 2025, each of Omnicom and Interpublic received a Request for Additional Information and Documentary Material (the "Second Request") from the U.S. Federal Trade Commission (FTC) in connection with Omnicom's proposed acquisition of Interpublic. The Second Request was issued under notification requirements of the Hart-Scott-Rodino (HSR) Antitrust Improvements Act of 1976, as amended. On March 18, 2025, the shareholders of Omnicom and Interpublic each approved the acquisition of Interpublic at each company's special meeting of stockholders held that day. If the Merger Agreement is terminated under certain circumstances, including if Omnicom terminates the agreement as a result of a willful and material breach of our non-solicitation obligations under the Merger Agreement, then we will be obligated to pay a termination fee of $439.0 to Omnicom (the “IPG Termination Fee”). We will also be obligated to pay the IPG Termination Fee if we breach the Merger Agreement in a manner that Omnicom’s closing conditions not being satisfied and the breach cannot be cured by the specified outside date and, in any such case, within 12 months after the termination date a competing proposal to acquire 50% or more of the business, assets or outstanding shares of IPG has been publicly announced and consummated, or a definitive agreement in respect of such competing proposal has been signed. During the first quarter of 2025, $4.8 of deal costs were incurred related to the planned acquisition of IPG by Omnicom, which were recorded within selling, general and administrative expenses.

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- Definition The entire disclosure for business combinations, including leverage buyout transactions (as applicable), and divestitures. This may include a description of a business combination or divestiture (or series of individually immaterial business combinations or divestitures) completed during the period, including background, timing, and assets and liabilities recognized and reclassified or sold. This element does not include fixed asset sales and plant closings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/205-20/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/805/tableOfContent + Details
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