Omnicom Group Inc

###### Political Contributions and Trade Association Disclosures

Our U.S. Political Contributions Policy outlines our standards for consideration and approval for our agencies to engage in political activities at the federal, state or local levels. At the holding company level, Omnicom does not make political contributions or sponsor a political action committee. In 2023, Omnicom and its agencies made no U.S. political contributions.

Omnicom also discloses payments in excess of $50K to U.S. trade associations for dues or contributions, and the amount of such dues or contributions used for lobbying or other political activity.

[See the Corporate Governance section of our website for more information.](https://www.omnicomgroup.com/about/corporate-governance/)

Political Contributions and Trade Association Disclosures – Adopted in 2021, our U.S. Political Contributions Policy outlines the standards governing consideration and approval for our agencies to engage in political activities at the federal, state or local levels. Omnicom and its agencies made no U.S. political contributions in 2020, 2021 and 2022. At the holding company level, Omnicom does not make political contributions or sponsor a Political Action Committee.

In response to ongoing shareholder feedback, Omnicom also discloses payments to U.S. trade associations receiving more than $50,000 in dues or contributions, and the amount of such dues or contributions used for lobbying or other political activity. Our disclosures related to U.S. political contributions and payments to U.S. trade associations are available on our Corporate Governance website.

9. Make recommendations to the Board with respect to the Company's Political Contributions Policy; [...] 15. Report its activities to the full Board on a regular basis and make such recommendations with respect to the above and other matters as the Committee may deem necessary or appropriate.

Describe the process(es) your organization has in place to ensure that your engagement activities are consistent with your overall climate change strategy[…]Omnicom make annual payments to several advertising trade associations where a percentage of dues reported by the trade association are used for lobbying expenditures. Omnicom reviews the agenda of these associations to ensure activities are aligned with corporate strategies.