IPG / The Interpublic Group of Companies, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

The Interpublic Group of Companies, Inc.
US ˙ NYSE ˙ US4606901001

Mga Batayang Estadistika
LEI 5493008IUOJ5VWTRC333
CIK 51644
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to The Interpublic Group of Companies, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 25, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 22, 2025 THE INTERPUBLIC G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 22, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporatio

August 25, 2025 EX-4.1

THE INTERPUBLIC GROUP OF COMPANIES, INC. U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION Thirteenth Supplemental Indenture Dated as of August 22, 2025 to the Senior Debt Indenture dated as of March 2, 2012 Amending provisions relating to each series of

EX-4.1 Exhibit 4.1 THE INTERPUBLIC GROUP OF COMPANIES, INC. and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION Trustee Thirteenth Supplemental Indenture Dated as of August 22, 2025 to the Senior Debt Indenture dated as of March 2, 2012 Amending provisions relating to each series of Securities listed below: 4.650% Senior Notes due 2028 4.750% Senior Notes due 2030 2.400% Senior Notes due 2031 5.375%

August 25, 2025 EX-99.1

Omnicom and Interpublic Announce Results of Early Participation in Exchange Offers and Consent Solicitations

EX-99.1 Exhibit 99.1 Omnicom and Interpublic Announce Results of Early Participation in Exchange Offers and Consent Solicitations NEW YORK, August 25, 2025 – Omnicom Group Inc. (“Omnicom”) (NYSE: OMC) and The Interpublic Group of Companies, Inc. (“IPG”) (NYSE: IPG) today announced that in connection with Omnicom’s previously announced offers to exchange (each an “Exchange Offer” and, collectively

August 11, 2025 EX-99.1

Omnicom and Interpublic Announce Exchange Offers and Consent Solicitations

EX-99.1 Exhibit 99.1 Omnicom and Interpublic Announce Exchange Offers and Consent Solicitations NEW YORK, August 11, 2025 – Omnicom Group Inc. (“Omnicom”) (NYSE: OMC) and The Interpublic Group of Companies, Inc. (“IPG”) (NYSE: IPG) today announced that in connection with Omnicom’s pending transaction to acquire IPG contemplated by the Agreement and Plan of Merger, dated as of December 8, 2024 (suc

August 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 11, 2025 THE INTERPUBLIC G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 11, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporatio

July 24, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 22, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

July 24, 2025 EX-99.1

On July 22, 2025, The Interpublic Group of Companies, Inc. held a conference call to discuss its second-quarter and first-half 2025 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice Pr

earningscalltranscript2q On July 22, 2025, The Interpublic Group of Companies, Inc.

July 23, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of re

July 22, 2025 EX-99.2

Interpublic Group July 22, 2025 SECOND QUARTER 2025 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. (1) Pre-tax restructuring charges of $118.0 million and deal costs in SG&A of $10.9 million. Organic change of Net Revenue, adjusted EB

Interpublic Group July 22, 2025 SECOND QUARTER 2025 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

July 22, 2025 EX-99.1

Interpublic Announces Second Quarter and First Half 2025 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (July 22, 2025) Interpublic Announces Second Quarter and First Half 2025 Results SECOND QUARTER •Total revenue of $2.5 billion, including billable expenses •Revenue before billable expenses ("net revenue") of $2.2 billion •Organic net revenue decrease of -3.5% due to prior-year client account activity •Reported net income was $162.5 million, which in

July 22, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 22, 2025 THE INTERPUBLIC GRO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 22, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

June 24, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 23, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

June 24, 2025 EX-99.1

Omnicom and Interpublic Clear FTC Antitrust Review

EX-99.1 Exhibit 99.1 Omnicom and Interpublic Clear FTC Antitrust Review NEW YORK, June 23, 2025 – Omnicom (NYSE: OMC) and Interpublic (NYSE: IPG) today announced that the U.S. Federal Trade Commission (FTC) has concluded its antitrust review of Omnicom’s proposed acquisition of Interpublic and reached agreement with Omnicom and IPG on a mutually acceptable consent order. “We are delighted that our

April 28, 2025 EX-99.1

On April 24, 2025, The Interpublic Group of Companies, Inc. held a conference call to discuss its first-quarter 2025 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief

On April 24, 2025, The Interpublic Group of Companies, Inc. held a conference call to discuss its first-quarter 2025 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS David Karnovsky J.P.Morgan Jason B. Bazinet Citi Cameron

April 28, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 24, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 24, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 24, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 24, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of r

April 24, 2025 EX-99.1

Interpublic Announces First Quarter 2025 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (April 24, 2025) Interpublic Announces First Quarter 2025 Results •Total revenue of $2.3 billion, including billable expenses •Revenue before billable expenses ("net revenue") of $2.0 billion •Organic net revenue decrease of -3.6% due to prior-year client account activity •Reported net loss was $85.4 million, which includes pre-tax expense of $203.3

April 24, 2025 EX-99.2

Interpublic Group April 24, 2025 FIRST QUARTER 2025 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. (1) Pre-tax restructuring charges of $203.3 million and deal costs of $4.8 million in SG&A. Organic change of Net Revenue, adjusted EBI

Interpublic Group April 24, 2025 FIRST QUARTER 2025 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

March 18, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 18, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

March 14, 2025 EX-99.1

Omnicom and Interpublic Receive Second Request from the U.S. Federal Trade Commission

Exhibit 99.1 Omnicom and Interpublic Receive Second Request from the U.S. Federal Trade Commission NEW YORK, March 13, 2025 – Omnicom (NYSE: OMC) and Interpublic (NYSE: IPG) today announced that the companies have each received a Request for Additional Information and Documentary Material (Second Request) from the U.S. Federal Trade Commission (FTC) in connection with Omnicom’s proposed acquisitio

March 14, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 12, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

March 14, 2025 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 12, 2025 OMNICOM GROUP INC. (

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 12, 2025 OMNICOM GROUP INC.

March 14, 2025 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 12, 2025 THE INTERPUBLIC GR

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 12, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorpora

March 7, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 7, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

March 7, 2025 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 7, 2025 OMNICOM GROUP INC. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 7, 2025 OMNICOM GROUP INC.

March 7, 2025 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 7, 2025 THE INTERPUBLIC GRO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 7, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

March 6, 2025 425

IMPORTANT SPECIAL MEETING – PLEASE VOTE TODAY

Filed by: The Interpublic Group of Companies, Inc. Pursuant to Rule 425 Under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6(b) under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 IMPORTANT SPECIAL MEETING – PLEASE VOTE TODAY March 6, 2025 Dear IPG Stockholder: The special meeting of stockholders of The Int

March 5, 2025 425

CONFERENCE PARTICIPANTS

Filed by: The Interpublic Group of Companies, Inc. Pursuant to Rule 425 Under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6(b) under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 On March 4, 2025, The Interpublic Group of Companies, Inc. participated in the 2025 Morgan Stanley Technology, Media & Telecom C

March 5, 2025 425

Filed by: Omnicom Group Inc.

Filed by: Omnicom Group Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 The following is a transcript of Philip J. Angelastro’s pertinent remarks at the Morgan Stanley Technology, Media & Telecom Conference on March 4, 2025.

February 26, 2025 425

SYMPOSIUM PARTICIPANTS

Filed by: The Interpublic Group of Companies, Inc. Pursuant to Rule 425 Under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6(b) under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 On February 25, 2025, The Interpublic Group of Companies, Inc. participated in the Barclays Communications and Content Symposium

February 21, 2025 425

YOUR VOTE IS IMPORTANT PLEASE VOTE YOUR PROXY TODAY

Filed by: The Interpublic Group of Companies, Inc. Pursuant to Rule 425 Under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6(b) under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 YOUR VOTE IS IMPORTANT PLEASE VOTE YOUR PROXY TODAY February 21, 2025 Dear IPG Stockholder: We recently mailed you proxy materia

February 20, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of regist

February 20, 2025 EX-21

The Interpublic Group of Companies, Inc.

EXHIBIT 21 The Interpublic Group of Companies, Inc. Our principal subsidiaries as of December 31, 2024 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary under Rule 1-02(w) of Regulation S-X. Company Name State (U.S.) Acxiom LLC Delaware Business Science Research Corporation Delaware Carmichael Lynch, Inc.

February 20, 2025 EX-24

POWER OF ATTORNEY

EXHIBIT 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each individual whose signature appears below constitutes and appoints PHILIPPE KRAKOWSKY, ELLEN JOHNSON, CHRISTOPHER F.

February 20, 2025 EX-14

Interpublic Group of Companies Last Revised: June 2024 Interpublic Group Code of Conduct 2IPG Code of Conduct (US) June 2024 Letter from the Chief Executive Officer Following the Code Seeking Guidance and Reporting Potential Violations All About Our

ipg-codexofxconductx2024 Interpublic Group of Companies Last Revised: June 2024 Interpublic Group Code of Conduct 2IPG Code of Conduct (US) June 2024 Letter from the Chief Executive Officer Following the Code Seeking Guidance and Reporting Potential Violations All About Our Talent All About Our Clients and Business Partners All About Our Communities All About Transparency Contents 4 5 6 9 29 13 15

February 13, 2025 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 12, 2025 THE INTERPUBLIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 12, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporat

February 13, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 12, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporat

February 13, 2025 EX-99.1

On February 12, 2025, The Interpublic Group of Companies, Inc. held a conference call to discuss its fourth-quarter and full-year 2024 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice

On February 12, 2025, The Interpublic Group of Companies, Inc. held a conference call to discuss its fourth-quarter and full-year 2024 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS David Karnovsky J.P.Morgan Michael Nat

February 12, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 12, 2025 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporat

February 12, 2025 EX-99.2

Interpublic Group February 12, 2025 FOURTH QUARTER & FULL YEAR 2024 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Fourth Quarter & Full Year 2024 Organic Change of Net Revenue, Adjusted EBITA before Restructuring Charges a

Interpublic Group February 12, 2025 FOURTH QUARTER & FULL YEAR 2024 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

February 12, 2025 EX-99.1

IPG Announces Fourth Quarter and Full Year 2024 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (February 12, 2025) IPG Announces Fourth Quarter and Full Year 2024 Results FOURTH QUARTER •Total revenue, including billable expenses, was $2.9 billion •Revenue before billable expenses ("net revenue") was $2.4 billion, with organic decrease of -1.8% •Reported net income was $344.5 million •Adjusted EBITA before restructuring charges and deal costs

February 5, 2025 425

OMC Q4 2024 Earnings Call February 4, 2025

Filed by: Omnicom Group Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 The following is a transcript of an earnings conference call hosted by Omnicom Group Inc. on February 4, 2025. OMC Q4 2024 Earnings Call February 4, 202

January 30, 2025 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

December 9, 2024 EX-3.1

Amendment to the Amended and Restated Bylaws of The Interpublic Group of Companies, Inc, dated December 8, 2024.

Exhibit 3.1 AMENDMENT NO. 1 TO AMENDED AND RESTATED BY-LAWS OF THE INTERPUBLIC GROUP OF COMPANIES, INC. The Amended and Restated By-Laws of The Interpublic Group of Companies, Inc., a Delaware corporation (the “Corporation”), are hereby amended as follows, effective as of December 8, 2024: 1. Article 10 (Miscellaneous) is hereby amended to add a new Section 10.06 (Forum Selection; Notice) followin

December 9, 2024 425

Filed by: Omnicom Group Inc.

Filed by: Omnicom Group Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 The following email was sent by John Wren, Chairman and Chief Executive Officer of Omnicom Group Inc., to Omnicom employees on December 9, 2024. Subject

December 9, 2024 425

Filed by: Omnicom Group Inc.

Filed by: Omnicom Group Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 The following is the transcript of an Omnicom Group Inc. and The Interpublic Group of Companies, Inc. joint investor presentation on December 9, 2024. C

December 9, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 8, 2024 THE INTERPUBLIC

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 8, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdict

December 9, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 9, 2024 THE INTERPUBLIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 9, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

December 9, 2024 425

Filed by: The Interpublic Group of Companies, Inc.

Filed by: The Interpublic Group of Companies, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 The following memo was sent by Philippe Krakowsky, Chief Executive Officer of The Interpublic Group of Companies, Inc., to IPG emp

December 9, 2024 EX-10.4

Amendment to Executive Change of Control Agreement, by and between The Interpublic Group of Companies, Inc. and Christopher Carroll, dated December 8, 2024.

Exhibit 10.4 AMENDMENT TO EXECUTIVE CHANGE OF CONTROL AGREEMENT WHEREAS, Christopher Carroll (the “Executive”) and The Interpublic Group of Companies, Inc. (the “Company”) are parties to that certain Executive Change of Control Agreement, dated as of May 27, 2010, as amended on August 29, 2013, October 26, 2016, July 24, 2019, and October 26, 2022 (the “Agreement”); WHEREAS, Section 5.1 of the Agr

December 9, 2024 EX-99.2

Marketing & Sales Leader for a New Era December 9, 2024

Exhibit 99.2 Marketing & Sales Leader for a New Era December 9, 2024 2 FORWARD-LOOKING STATEMENTS This communication contains certain “forward-looking statements” within the meaning of federal securities laws. Forward-looking statements may be identified by words such as “anticipates,” “believes,” “could,” “continue,” “estimate,” “expects,” “intends,” “will,” “should,” “may,” “plan,” “predict,” “p

December 9, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): December 9, 2024 OMNICOM GROUP INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): December 9, 2024 OMNICOM GROUP INC.

December 9, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 8, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

December 9, 2024 EX-10.3

Amendment to Executive Change of Control Agreement, by and between The Interpublic Group of Companies, Inc. and Andrew Bonzani, dated December 8, 2024.

Exhibit 10.3 AMENDMENT TO EXECUTIVE CHANGE OF CONTROL AGREEMENT WHEREAS, Andrew Bonzani (the “Executive”) and The Interpublic Group of Companies, Inc. (the “Company”) are parties to that certain Executive Change of Control Agreement, dated as of December 22, 2011, as amended on August 29, 2013, October 26, 2016, July 24, 2019, and October 26, 2022 (the “Agreement”); WHEREAS, Section 5.1 of the Agr

December 9, 2024 EX-10.2

Amendment to Executive Change of Control Agreement, by and between The Interpublic Group of Companies, Inc. and Ellen Johnson, dated December 8, 2024.

Exhibit 10.2 AMENDMENT TO EXECUTIVE CHANGE OF CONTROL AGREEMENT WHEREAS, Ellen Johnson (the “Executive”) and The Interpublic Group of Companies, Inc. (the “Company”) are parties to that certain Executive Change of Control Agreement, dated as of May 27, 2010, as amended on August 29, 2013, October 26, 2016, July 24, 2019, and October 26, 2022 (the “Agreement”); WHEREAS, Section 5.1 of the Agreement

December 9, 2024 425

Filed by: The Interpublic Group of Companies, Inc.

Filed by: The Interpublic Group of Companies, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 The following is the transcript of an Omnicom Group Inc. and The Interpublic Group of Companies, Inc. joint investor presentation

December 9, 2024 425

Omnicom to Acquire Interpublic Group to Create Premier Marketing and Sales Company

Filed by: Omnicom Group Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: The Interpublic Group of Companies, Inc. SEC File No.: 001-06686 The following email was sent by John Wren, Chairman and Chief Executive Officer of Omnicom Group Inc., to certain Omnicom clients on December 9, 2024. J

December 9, 2024 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 9, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

December 9, 2024 EX-99.1

Omnicom to Acquire Interpublic Group to Create Premier Marketing and Sales Company

Exhibit 99.1 Omnicom to Acquire Interpublic Group to Create Premier Marketing and Sales Company • The combined company will bring together unmatched capabilities, including the industry’s deepest bench of marketing talent, and the broadest and most innovative services and products, underpinned by the most advanced sales and marketing platform • Together, Omnicom and Interpublic will be strongly po

December 9, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): December 8, 2024 OMNICOM GROUP INC.

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): December 8, 2024 OMNICOM GROUP INC.

December 9, 2024 EX-2.1

Agreement and Plan of Merger, dated as of December 8, 2024, by and among Omnicom Group Inc., EXT Subsidiary Inc. and The Interpublic Group of Companies, Inc.

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER among OMNICOM GROUP INC. EXT SUBSIDIARY INC. and THE INTERPUBLIC GROUP OF COMPANIES, INC. Dated as of December 8, 2024 TABLE OF CONTENTS Page ARTICLE 1 THE MERGER 1 1.1 The Merger 1 1.2 Closing 2 1.3 Effective Time 2 1.4 Charter and Bylaws 2 1.5 Directors and Officers of the Surviving Corporation 2 1.6 Directors and Officers of Omnicom 2 ARTICLE 2 CONVERSIO

December 9, 2024 EX-10.1

Amendment to Executive Change of Control Agreement, by and between The Interpublic Group of Companies, Inc. and Philippe Krakowsy, dated December 8, 2024.

Exhibit 10.1 AMENDMENT TO EXECUTIVE CHANGE OF CONTROL AGREEMENT WHEREAS, Philippe Krakowsky (the “Executive”) and The Interpublic Group of Companies, Inc. (the “Company”) are parties to that certain Executive Change of Control Agreement, dated as of May 27, 2010, as amended on August 29, 2013, October 26, 2016, July 24, 2019, and October 26, 2022 (the “Agreement”); WHEREAS, Section 5.1 of the Agre

October 24, 2024 EX-99.1

On October 22, 2024, The Interpublic Group of Companies, Inc. held a conference call to discuss its third-quarter and first-nine-months 2024 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executiv

On October 22, 2024, The Interpublic Group of Companies, Inc. held a conference call to discuss its third-quarter and first-nine-months 2024 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Adrien de Saint Hilaire BofA Sec

October 24, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 22, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 23, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name

October 22, 2024 EX-99.1

Interpublic Announces Third Quarter and First Nine Months 2024 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (October 22, 2024) Interpublic Announces Third Quarter and First Nine Months 2024 Results •Total revenue including billable expenses was $2.63 billion •Revenue before billable expenses ("net revenue") was $2.24 billion, with organic revenue unchanged from the third quarter of 2023 •Non-cash goodwill impairment expense of $232.1 million, related to di

October 22, 2024 EX-99.2

Interpublic Group October 22, 2024 THIRD QUARTER 2024 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Organic change of Net Revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are non-GAAP measures. Management

Interpublic Group October 22, 2024 THIRD QUARTER 2024 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

October 22, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 22, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 16, 2024 SC 13G/A

IPG / The Interpublic Group of Companies, Inc. / STATE STREET CORP Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* INTERPUBLIC GROUP OF COS INC/THE (Name of Issuer) COMMON STOCK (Title of Class of Securities) 460690100 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Sche

October 4, 2024 EX-10.1

Exhibit 10.1 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (this “Agreement”) is made as of October 2, 2024 (the “Effective Date”) by and between THE INTERPUBLIC GROUP OF COMPANIES, INC. (“Interpublic” or the “Company”) and CHRISTOPHER CARROLL (“Exe

Exhibit 10.1 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (this “Agreement”) is made as of October 2, 2024 (the “Effective Date”) by and between THE INTERPUBLIC GROUP OF COMPANIES, INC. (“Interpublic” or the “Company”) and CHRISTOPHER CARROLL (“Executive”). In consideration of the mutual promises set forth herein, the parties hereto agree as follows: ARTICLE I Defined Terms Section 1.01 When the

October 4, 2024 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 2, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporatio

July 25, 2024 EX-99.1

On July 24, 2024, The Interpublic Group of Companies, Inc. held a conference call to discuss its second-quarter and first-half 2024 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice Pr

On July 24, 2024, The Interpublic Group of Companies, Inc. held a conference call to discuss its second-quarter and first-half 2024 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Adrien de Saint Hilaire BofA Securities D

July 25, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 24, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

July 24, 2024 EX-99.2

Interpublic Group July 24, 2024 SECOND QUARTER 2024 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Organic change of Net Revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are non-GAAP measures. Management b

Interpublic Group July 24, 2024 SECOND QUARTER 2024 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

July 24, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 24, 2024 THE INTERPUBLIC GRO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 24, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

July 24, 2024 EX-99.1

Interpublic Announces Second Quarter and First Half 2024 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (July 24, 2024) Interpublic Announces Second Quarter and First Half 2024 Results SECOND QUARTER •Total revenue including billable expenses was $2.71 billion •Revenue before billable expenses ("net revenue") was flat at $2.33 billion, with an organic increase of 1.7% •Reported net income was $214.5 million •Adjusted EBITA before restructuring charges

July 24, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of re

May 30, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 29, 2024 The Interpublic Grou

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 29, 2024 The Interpublic Group of Companies, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-6686 13-1024020 (State or Other Jurisdiction of Incorporation) (Com

May 30, 2024 EX-10.1

Amended and Restated Credit Agreement, dated as of May 29, 2024, among The Interpublic Group of Companies, Inc., the lenders named therein and Citibank, N.A., as administrative agent.

Exhibit 10.1 EXECUTION VERSION U.S. $1,500,000,000 AMENDED AND RESTATED CREDIT AGREEMENT Dated as of May 29, 2024 Among THE INTERPUBLIC GROUP OF COMPANIES, INC. as Company THE INITIAL LENDERS AND INITIAL ISSUING BANK NAMED HEREIN as Initial Lenders and Initial Issuing Bank CITIBANK, N.A. as Administrative Agent BANK OF AMERICA, N.A. and JPMORGAN CHASE BANK, N.A. as Co-Syndication Agents MORGAN STA

May 28, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 23, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation o

April 29, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 24, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 29, 2024 EX-99.1

On April 24, 2024, The Interpublic Group of Companies, Inc. held a conference call to discuss its first-quarter 2024 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief

On April 24, 2024, The Interpublic Group of Companies, Inc. held a conference call to discuss its first-quarter 2024 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Adrien de Saint Hilaire BofA Securities David Karnovsky

April 24, 2024 EX-99.1

Interpublic Announces First Quarter 2024 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (April 24, 2024) Interpublic Announces First Quarter 2024 Results FIRST QUARTER •Total revenue, including billable expenses, was $2.50 billion •Revenue before billable expenses (“net revenue”) was $2.18 billion, an increase of 0.3% from a year ago, with organic increase of 1.3% •Net income was $110.4 million as reported •Adjusted EBITA before restruc

April 24, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 24, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 24, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of r

April 24, 2024 EX-10.1

THE INTERPUBLIC GROUP OF COMPANIES, INC. AMENDED AND RESTATED 2019 PERFORMANCE INCENTIVE PLAN

THE INTERPUBLIC GROUP OF COMPANIES, INC. AMENDED AND RESTATED 2019 PERFORMANCE INCENTIVE PLAN Section 1.Purpose. The purposes of the Plan are to promote the interests of the Company and its shareholders by enabling the Company to: (a)attract, retain, and motivate talented individuals as Eligible Employees and Non-Management Directors; (b)provide Eligible Employees and Non-Management Directors with

April 24, 2024 EX-99.2

Interpublic Group April 24, 2024 FIRST QUARTER 2024 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — First Quarter 2024 Organic change of Net Revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are n

Interpublic Group April 24, 2024 FIRST QUARTER 2024 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

April 12, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒       Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

April 12, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒       Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as pe

February 20, 2024 EX-97

THE INTERPUBLIC GROUP OF COMPANIES, INC. DODD-FRANK CLAWBACK POLICY (Approved October 25, 2023)

THE INTERPUBLIC GROUP OF COMPANIES, INC. DODD-FRANK CLAWBACK POLICY (Approved October 25, 2023) Introduction Pursuant to its authority delegated by the Board of Directors (the “Board”) of The Interpublic Group of Companies, Inc. (the “Company”), the Compensation and Leadership Talent Committee of the Board has adopted this Dodd-Frank Clawback Policy (this “Policy”) with the intention that it satis

February 20, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of regist

February 20, 2024 EX-24

POWER OF ATTORNEY

EXHIBIT 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each individual whose signature appears below constitutes and appoints PHILIPPE KRAKOWSKY, ELLEN JOHNSON, CHRISTOPHER F.

February 20, 2024 EX-21

The Interpublic Group of Companies, Inc.

EXHIBIT 21 The Interpublic Group of Companies, Inc. Our principal subsidiaries as of December 31, 2023 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary under Rule 1-02(w) of Regulation S-X. Company Name State (U.S.) Acxiom LLC Delaware Business Science Research Corporation Delaware Carmichael Lynch, Inc.

February 13, 2024 SC 13G/A

IPG / The Interpublic Group of Companies, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01214-interpublicgroupofco.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: Interpublic Group of Cos Inc/The Title of Class of Securities: Common Stock CUSIP Number: 460690100 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropri

February 12, 2024 EX-99.1

On February 8, 2024, The Interpublic Group of Companies, Inc. held a conference call to discuss its fourth-quarter and full-year 2023 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice

On February 8, 2024, The Interpublic Group of Companies, Inc. held a conference call to discuss its fourth-quarter and full-year 2023 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Adrien de Saint Hilaire BofA Securities

February 12, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 8, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

February 8, 2024 EX-99.2

Interpublic Group February 8, 2024 FOURTH QUARTER & FULL YEAR 2023 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Fourth Quarter & Full Year 2023 Organic Change of Net Revenue, adjusted EBITA before Restructuring Charges an

Interpublic Group February 8, 2024 FOURTH QUARTER & FULL YEAR 2023 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

February 8, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 8, 2024 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

February 8, 2024 EX-99.1

IPG Announces Fourth Quarter and Full Year 2023 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (February 8, 2024) IPG Announces Fourth Quarter and Full Year 2023 Results FOURTH QUARTER •Total revenue, including billable expenses, was $3.0 billion •Revenue before billable expenses ("net revenue") was $2.6 billion, with organic growth of 1.7% •Diluted earnings per share of $1.21 as reported and $1.18 as adjusted FULL YEAR •Total revenue. includi

October 25, 2023 EX-99.1

On October 20, 2023, The Interpublic Group of Companies, Inc. held a conference call to discuss its third-quarter and first-nine-months 2023 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executiv

On October 20, 2023, The Interpublic Group of Companies, Inc. held a conference call to discuss its third-quarter and first-nine-months 2023 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Adrien de Saint Hilaire BofA Sec

October 25, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name

October 25, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 20, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 20, 2023 EX-99.1

Interpublic Announces Third Quarter and First Nine Months 2023 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (October 20, 2023) Interpublic Announces Third Quarter and First Nine Months 2023 Results Third Quarter •Total revenue, including billable expenses, was $2.68 billion •Revenue before billable expenses ("net revenue") was $2.31 billion, an increase of 0.6%, with organic decrease of 0.4% •Reported net income was $245.7 million •Adjusted EBITA before re

October 20, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 20, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 20, 2023 EX-99.2

Interpublic Group October 20, 2023 THIRD QUARTER 2023 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Third Quarter 2023 Organic change of Net Revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are

Interpublic Group October 20, 2023 THIRD QUARTER 2023 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

August 28, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 24, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporatio

August 28, 2023 EX-99.1

Interpublic Group 909 Third Avenue New York, NY 10022 212-704-1200 FOR IMMEDIATE RELEASE Jorge Benitez Joins Interpublic Board of Directors New York, NY – August 24, 2023 – Interpublic Group (NYSE: IPG) today announced the appointment of Jorge Benite

Interpublic Group 909 Third Avenue New York, NY 10022 212-704-1200 FOR IMMEDIATE RELEASE Jorge Benitez Joins Interpublic Board of Directors New York, NY – August 24, 2023 – Interpublic Group (NYSE: IPG) today announced the appointment of Jorge Benitez, as an independent director of IPG, effective September 1, 2023.

July 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of re

July 25, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 21, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

July 25, 2023 EX-99.1

On July 21, 2023, The Interpublic Group of Companies, Inc. held a conference call to discuss its second-quarter and first-half 2023 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice Pr

earningscalltranscript2q On July 21, 2023, The Interpublic Group of Companies, Inc.

July 21, 2023 EX-99.1

Interpublic Announces Second Quarter and First Half 2023 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (July 21, 2023) Interpublic Announces Second Quarter and First Half 2023 Results Second Quarter •Total revenue, including billable expenses, was $2.67 billion •Revenue before billable expenses ("net revenue") was $2.33 billion, a decrease of 2.0%, with organic decrease of 1.7% •Reported net income was $265.5 million •Adjusted EBITA before restructuri

July 21, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 21, 2023 THE INTERPUBLIC GRO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 21, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

July 21, 2023 EX-99.2

Interpublic Group July 21, 2023 SECOND QUARTER 2023 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Second Quarter 2023 Organic change of Net Revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are

investordeckq22023final Interpublic Group July 21, 2023 SECOND QUARTER 2023 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

June 8, 2023 EX-99.1

Interpublic Prices Offering of $300 Million Aggregate Principal Amount of Senior Notes

EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Interpublic Prices Offering of $300 Million Aggregate Principal Amount of Senior Notes New York, NY – June 6, 2023 – Interpublic Group (NYSE: IPG) today announced that it has priced a registered public offering of $300 million aggregate principal amount of its 5.375% Senior Notes due 2033 (CUSIP Number 460690 BU3) (the “Notes”). The offering of the Notes

June 8, 2023 EX-1.1

Terms Agreement, dated as of June, 6, 2023, between the Company and Citigroup Global Markets Inc., J.P. Morgan Securities LLC and Morgan Stanley & Co. LLC, as representatives of the several underwriters named in Schedule I thereto.

EX-1.1 Exhibit 1.1 EXECUTION COPY Terms Agreement June 6, 2023 Citigroup Global Markets Inc. 388 Greenwich Street New York, NY 10013 J.P. Morgan Securities LLC 383 Madison Avenue New York, NY 10179 Morgan Stanley & Co. LLC 1585 Broadway New York, NY 10036 as Representative(s) of the Several Underwriters named in Schedule I hereto Ladies and Gentlemen: The Interpublic Group of Companies, Inc., a De

June 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 6, 2023 THE INTERPUBLIC GROU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 6, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation o

June 8, 2023 EX-4.2

Form of Global Note representing 5.375% Senior Notes due 2033 (included as part of Exhibit 4.2).

EX-4.2 Exhibit 4.2 THE INTERPUBLIC GROUP OF COMPANIES, INC. and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION Trustee Twelfth Supplemental Indenture Dated as of June 8, 2023 to the Senior Debt Indenture dated as of March 2, 2012 Creating a series of Securities designated 5.375% Senior Notes due 2033 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION SECTION 1.

June 7, 2023 EX-FILING FEES

Calculation of Filing Fee Table FORM 424B2 (Form Type) The Interpublic Group of Companies, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Fo

EX-FILING FEES 2 d512243dexfilingfees.htm EX-FILING FEES EXHIBIT 107 Calculation of Filing Fee Table FORM 424B2 (Form Type) The Interpublic Group of Companies, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Agg

June 7, 2023 424B2

THE INTERPUBLIC GROUP OF COMPANIES, INC. $300,000,000 5.375% Senior Notes due 2033

424B2 Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-263704 PROSPECTUS SUPPLEMENT (To Prospectus dated March 18, 2022) THE INTERPUBLIC GROUP OF COMPANIES, INC. $300,000,000 5.375% Senior Notes due 2033 We are offering $300,000,000 aggregate principal amount of 5.375% senior notes due 2033 (the “Notes”). Interest on the Notes will be payable in cash semi-annually in arrears

June 6, 2023 424B2

Subject to Completion Preliminary Prospectus Supplement, dated June 6, 2023

424B2 Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-263704 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities nor are we soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not pe

June 6, 2023 FWP

Final Term Sheet 5.375% Senior Notes due 2033 Issuer: The Interpublic Group of Companies, Inc. Trade Date: June 6, 2023 Settlement Date: June 8, 2023 (T+2) Expected Ratings*: Baa2/Stable (Moody’s) BBB/Stable (S&P) BBB+/Stable (Fitch) Title of Securit

FWP Issuer Free Writing Prospectus Filed Pursuant to Rule 433 June 6, 2023 Relating to the Preliminary Prospectus Supplement dated June 6, 2023 to the Prospectus dated March 18, 2022 Registration Statement No.

May 31, 2023 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 25, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation o

May 2, 2023 EX-99.1

On April 27, 2023, The Interpublic Group of Companies, Inc. held a conference call to discuss its first-quarter 2023 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief

earningscalltranscript1q On April 27, 2023, The Interpublic Group of Companies, Inc.

May 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 27, 2023 THE INTERPUBLIC GR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 27, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 27, 2023 THE INTERPUBLIC GR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 27, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 27, 2023 10-Q

Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of r

April 27, 2023 EX-99.1

Interpublic Announces First Quarter 2023 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (April 27, 2023) Interpublic Announces First Quarter 2023 Results • Total revenue, including billable expenses, was $2.52 billion • Revenue before billable expenses (“net revenue”) was $2.18 billion, a decrease of 2.3% from a year ago, with organic decrease of 0.2% • Net income was $126.0 million as reported • Adjusted EBITA before restructuring char

April 27, 2023 EX-99.2

Interpublic Group April 27, 2023 FIRST QUARTER 2023 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — First Quarter 2023 Organic change of Net Revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are n

irdeckq12023 Interpublic Group April 27, 2023 FIRST QUARTER 2023 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

April 14, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule

April 14, 2023 DEF 14A

Definitive Proxy Statement

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitte

February 21, 2023 EX-24

POWER OF ATTORNEY

EXHIBIT 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each individual whose signature appears below constitutes and appoints PHILIPPE KRAKOWSKY, ELLEN JOHNSON, CHRISTOPHER F.

February 21, 2023 EX-21

The Interpublic Group of Companies, Inc.

EXHIBIT 21 The Interpublic Group of Companies, Inc. Our principal subsidiaries as of December 31, 2022 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary under Rule 1-02(w) of Regulation S-X. Company Name State (U.S.) Acxiom LLC Delaware Business Science Research Corporation Delaware Carmichael Lynch, Inc.

February 21, 2023 10-K

Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of regist

February 14, 2023 EX-99.1

On February 9, 2023, The Interpublic Group of Companies, Inc. held a conference call to discuss its fourth-quarter and full-year 2022 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice

On February 9, 2023, The Interpublic Group of Companies, Inc. held a conference call to discuss its fourth-quarter and full-year 2022 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS David Karnovsky J.P.Morgan Lina Ghayor

February 14, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 9, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

February 9, 2023 EX-99.2

Interpublic Group February 9, 2023 FOURTH QUARTER & FULL YEAR 2022 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Fourth Quarter & Full Year 2022 Organic change of Net Revenue, adjusted EBITA before Restructuring Charges an

Interpublic Group February 9, 2023 FOURTH QUARTER & FULL YEAR 2022 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

February 9, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 9, 2023 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

February 9, 2023 SC 13G/A

IPG / Interpublic Group of Companies Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Interpublic Group of Cos. Inc. Title of Class of Securities: Common Stock CUSIP Number: 460690100 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule

February 9, 2023 EX-99.1

IPG Announces Fourth Quarter and Full Year 2022 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (February 9, 2023) IPG Announces Fourth Quarter and Full Year 2022 Results FULL YEAR •FY Total revenue, including billable expenses, was $10.9 billion •FY Revenue before billable expenses (“net revenue”) of $9.5 billion, an increase of 3.7%, with organic growth of 7.0% •FY reported net income of $938 million, and adjusted EBITA before restructuring c

January 13, 2023 CORRESP

* * *

January 13, 2023 Mr. Tony Watson Division of Corporation Finance United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7010 Christopher Carroll Senior Vice President and Chief Accounting Officer Interpublic Group 909 Third Avenue New York, NY 10022 www.interpublic.com (646) 417-1255 Re: The Interpublic Group of Companies, Inc. Form 10-K for the Fiscal year Ende

October 26, 2022 EX-99.1

On October 21, 2022, The Interpublic Group of Companies, Inc. held a conference call to discuss its third-quarter and first-nine-months 2022 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executiv

On October 21, 2022, The Interpublic Group of Companies, Inc. held a conference call to discuss its third-quarter and first-nine-months 2022 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Steven Cahall Wells Fargo David

October 26, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 21, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 26, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name

October 26, 2022 EX-10.3

Amendment to Executive Change of Control Agreement

EXHIBIT 10.3 Amendment to Executive Change of Control Agreement WHEREAS, Andrew Bonzani (the ?Executive?) and The Interpublic Group of Companies, Inc. (?Interpublic,? Interpublic and its subsidiaries being referred to herein as the ?Company?) are parties to an Executive Change of Control Agreement dated as of December 22, 2011 and amended on August 29, 2013, October 26, 2016, and July 24, 2019 (th

October 26, 2022 EX-10.4

Amendment to Executive Change of Control Agreement

EXHIBIT 10.4 Amendment to Executive Change of Control Agreement WHEREAS, Christopher Carroll (the ?Executive?) and The Interpublic Group of Companies, Inc. (?Interpublic,? Interpublic and its subsidiaries being referred to herein as the ?Company?) are parties to an Executive Change of Control Agreement dated as of May 27, 2010, as amended (the ?Agreement?); WHEREAS, Section 5.1 of the Agreement st

October 26, 2022 EX-10.2

Amendment to Executive Change of Control Agreement

EXHIBIT 10.2 Amendment to Executive Change of Control Agreement WHEREAS, Ellen Johnson (the ?Executive?) and The Interpublic Group of Companies, Inc. (?Interpublic,? Interpublic and its subsidiaries being referred to herein as the ?Company?) are parties to an Executive Change of Control Agreement dated as of May 27, 2010, as amended (the ?Agreement?); WHEREAS, Section 5.1 of the Agreement states t

October 26, 2022 EX-10.1

Amendment to Executive Change of Control Agreement

EXHIBIT 10.1 Amendment to Executive Change of Control Agreement WHEREAS, Philippe Krakowsky (the ?Executive?) and The Interpublic Group of Companies, Inc. (?Interpublic,? Interpublic and its subsidiaries being referred to herein as the ?Company?) are parties to an Executive Change of Control Agreement dated as of May 27, 2010, as amended (the ?Agreement?); WHEREAS, Section 5.1 of the Agreement sta

October 21, 2022 EX-99.1

Interpublic Announces Third Quarter and First Nine Months 2022 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (October 21, 2022) Interpublic Announces Third Quarter and First Nine Months 2022 Results ? Third quarter revenue before billable expenses ("net revenue") was $2.30 billion, an increase of 1.5% from a year ago, with organic growth of 5.6% ? Third quarter net income was $251.8 million, with adjusted EBITA before restructuring charges of $356.2 million

October 21, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 21, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 21, 2022 EX-99.2

Interpublic Group October 21, 2022 THIRD QUARTER 2022 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Third Quarter 2022 Organic change of Net Revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are

Interpublic Group October 21, 2022 THIRD QUARTER 2022 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

October 5, 2022 CORRESP

* * *

CORRESP 1 filename1.htm October 5, 2022 Mr. Tony Watson Division of Corporation Finance United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7010 Christopher Carroll Senior Vice President and Chief Accounting Officer Interpublic Group 909 Third Avenue New York, NY 10022 www.interpublic.com (646) 417-1255 Re: The Interpublic Group of Companies, Inc. Form 10-K f

September 9, 2022 CORRESP

* * *

September 9, 2022 Mr. Tony Watson Division of Corporation Finance United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7010 Christopher Carroll Senior Vice President and Chief Accounting Officer Interpublic Group 909 Third Avenue New York, NY 10022 www.interpublic.com (646) 417-1255 Re: The Interpublic Group of Companies, Inc. Form 10-K for the Fiscal year End

July 27, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 21, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

July 27, 2022 EX-32.32

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

EXHIBIT 32 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), each of the undersigned officers of The Interpublic Group of Companies, Inc. (the “Company”), does hereby certify, to such officer's knowledge, that: The quarterly report on Form 10-Q for the qua

July 27, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of re

July 27, 2022 EX-99.1

On July 21, 2022, The Interpublic Group of Companies, Inc. held a conference call to discuss its second-quarter and first-half 2022 results. The following is a transcript of the prepared remarks delivered on the conference call by the Company’s senio

On July 21, 2022, The Interpublic Group of Companies, Inc. held a conference call to discuss its second-quarter and first-half 2022 results. The following is a transcript of the prepared remarks delivered on the conference call by the Company?s senior management. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Of

July 21, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 21, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

July 21, 2022 EX-99.2

Interpublic Group July 21, 2022 SECOND QUARTER 2022 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Second Quarter 2022 Organic change of net revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are

Interpublic Group July 21, 2022 SECOND QUARTER 2022 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

July 21, 2022 EX-99.1

Interpublic Announces Second Quarter and First Half 2022 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (July 21, 2022) Interpublic Announces Second Quarter and First Half 2022 Results ? Second quarter net revenue was $2.38 billion, an increase of 4.7% from a year ago, with organic growth of 7.9% ? Second quarter net income was $229.6 million, with adjusted EBITA of $370.1 million and margin of 15.6% on net revenue ? Second quarter diluted EPS was $0.5

June 2, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 26, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation o

May 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 28, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

May 3, 2022 EX-99.1

Exhibit 99.1 On April 28, 2022, The Interpublic Group of Companies, Inc. held a conference call to discuss its first-quarter 2022 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice Pres

Exhibit 99.1 On April 28, 2022, The Interpublic Group of Companies, Inc. held a conference call to discuss its first-quarter 2022 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Jason B. Bazinet Citi David Karnovsky J.P.

April 28, 2022 EX-99.2

Interpublic Group April 28, 2022 FIRST QUARTER 2022 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. • Net revenue growth was +9.8% and organic growth of net revenue was +11.5% ◦ U.S. organic growth was +12.2% ◦ International organic gr

Interpublic Group April 28, 2022 FIRST QUARTER 2022 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

April 28, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of r

April 28, 2022 EX-99.1

Interpublic Announces First Quarter 2022 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (April 28, 2022) Interpublic Announces First Quarter 2022 Results ? Reported net revenue of $2.23 billion, an increase of 9.8% from a year ago, with organic net revenue growth of 11.5% ? Net income was $159.4 million as reported ? Adjusted EBITA before restructuring charges was $273.6 million with 12.3% margin on net revenue ? Diluted EPS was $0.40 a

April 28, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 28, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 21, 2022 EX-99.1

Exhibit 99.1: Selected Segment Information. We are providing the following unaudited management discussion of past organic revenue performance “as if” our new segments had existed in their current configuration in the years 2019, 2020, and 2021. 2021

Exhibit 99.1: Selected Segment Information. We are providing the following unaudited management discussion of past organic revenue performance ?as if? our new segments had existed in their current configuration in the years 2019, 2020, and 2021. 2021 Segment Net Revenue Organic Change Our consolidated growth of organic revenue was 11.9% in 2021. The organic growth of our Media, Data & Engagement S

April 21, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 21, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 14, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitte

April 14, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

March 18, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table Form S-3 (Form Type) The Interpublic Group of Companies, Inc.

March 18, 2022 EX-25.1

Form T-1 Statement of Eligibility under the Trust Indenture Act of 1939, as amended, of U.S. Bank Trust Company, National Association (as successor in interest to U.S. Bank National Association), as trustee under the indenture

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ? Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 18, 2022 S-3ASR

As filed with the Securities and Exchange Commission on March 18, 2022

Table of Contents As filed with the Securities and Exchange Commission on March 18, 2022 Registration No.

February 22, 2022 EX-10.(III)(A)(71)

DIRECTOR COMPENSATION CHANGES

EXHIBIT 10(iii)(A)(71) DIRECTOR COMPENSATION CHANGES Effective on January 1, 2022, the Board approved certain changes to the overall compensation of the Board, as recommended by the Corporate Governance and Social Responsibility Committee.

February 22, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of regist

February 22, 2022 EX-21

The Interpublic Group of Companies, Inc.

EXHIBIT 21 The Interpublic Group of Companies, Inc. Our principal subsidiaries as of December 31, 2021 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary under Rule 1-02(w) of Regulation S-X. Company Name State (U.S.) Acxiom LLC Delaware Business Science Research Corporation Delaware Carmichael Lynch, Inc.

February 22, 2022 EX-24

POWER OF ATTORNEY

EXHIBIT 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each individual whose signature appears below constitutes and appoints PHILIPPE KRAKOWSKY, ELLEN JOHNSON, CHRISTOPHER F.

February 15, 2022 EX-99.1

Exhibit 99.1 On February 10, 2022, The Interpublic Group of Companies, Inc. held a conference call to discuss its fourth-quarter and full-year 2021 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson E

Exhibit 99.1 On February 10, 2022, The Interpublic Group of Companies, Inc. held a conference call to discuss its fourth-quarter and full-year 2021 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS David Karnovsky J.P.Morga

February 15, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 10, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporat

February 10, 2022 SC 13G/A

IPG / Interpublic Group of Companies Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Interpublic Group of Cos. Inc. Title of Class of Securities: Common Stock CUSIP Number: 460690100 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule

February 10, 2022 EX-99.2

Interpublic Group February 10, 2022 FOURTH QUARTER & FULL YEAR 2021 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Fourth Quarter & Full Year 2021 Organic change of net revenue, adjusted EBITA before Restructuring Charges a

Interpublic Group February 10, 2022 FOURTH QUARTER & FULL YEAR 2021 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

February 10, 2022 EX-99.1

IPG Announces Fourth Quarter and Full Year 2021 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (February 10, 2022) IPG Announces Fourth Quarter and Full Year 2021 Results FOURTH QUARTER ? 4Q Reported net revenue of $2.55 billion, an increase of 11.6% from a year ago, with organic net revenue growth of 11.7% ? 4Q Organic net revenue growth of 12.1% in the U.S. and 11.0% in International markets ? 4Q Diluted earnings per share of $0.90 as report

February 10, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 10, 2022 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporat

November 18, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 18, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporat

November 18, 2021 EX-99.1

Interpublic Group 909 Third Avenue New York, NY 10022 212-704-1200 FOR IMMEDIATE RELEASE IPG Announces Board Transition Michael Roth to Retire December 31, 2021 David Thomas Named Non-Executive Chair of the Board New York, NY – November 18, 2021 – In

Interpublic Group 909 Third Avenue New York, NY 10022 212-704-1200 FOR IMMEDIATE RELEASE IPG Announces Board Transition Michael Roth to Retire December 31, 2021 David Thomas Named Non-Executive Chair of the Board New York, NY ? November 18, 2021 ? Interpublic Group (NYSE: IPG) announced today that Michael Roth, Executive Chairman, will retire from the company and the Board of Directors on December 31, 2021 and that David Thomas has been elected to serve as non-executive Chair of the Board, effective January 1, 2022.

November 4, 2021 EX-10.1

Interpublic Credit Agreement EXECUTION COPY U.S. $1,500,000,000 AMENDED AND RESTATED CREDIT AGREEMENT Dated as of November 1, 2021 Among THE INTERPUBLIC GROUP OF COMPANIES, INC. as Company THE INITIAL LENDERS AND INITIAL ISSUING BANK NAMED HEREIN as

Interpublic Credit Agreement EXECUTION COPY U.S. $1,500,000,000 AMENDED AND RESTATED CREDIT AGREEMENT Dated as of November 1, 2021 Among THE INTERPUBLIC GROUP OF COMPANIES, INC. as Company THE INITIAL LENDERS AND INITIAL ISSUING BANK NAMED HEREIN as Initial Lenders and Initial Issuing Bank CITIBANK, N.A. as Administrative Agent BANK OF AMERICA, N.A. and JPMORGAN CHASE BANK, N.A. as Co-Syndication

November 4, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 1, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 26, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 21, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 26, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name

October 26, 2021 EX-99.1

CALL PARTICIPANTS

Exhibit 99.1 On October 21, 2021, The Interpublic Group of Companies, Inc. held a conference call to discuss its third and first-nine-months 2021 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Alexia S. Quadrani J.P. Mor

October 21, 2021 EX-99.2

Interpublic Group October 21, 2021 THIRD QUARTER 2021 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Third Quarter 2021 Organic change of net revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are

Interpublic Group October 21, 2021 THIRD QUARTER 2021 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

October 21, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 21, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 21, 2021 EX-99.1

Interpublic Announces Third Quarter and First Nine Months 2021 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (October 21, 2021) Interpublic Announces Third Quarter and First Nine Months 2021 Results ? Third quarter net revenue was $2.26 billion, an increase of 15.7% from a year ago, with organic growth of 15.0% ? Net income was $239.9 million, with adjusted EBITA before restructuring charges of $369.5 million and margin of 16.3% on net revenue ? Third quart

July 26, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of re

July 26, 2021 EX-10.1

EMPLOYMENT AGREEMENT

EXHIBIT 10.1 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (this ?Agreement?) is made effective as of January 1, 2021 (the ?Effective Date?) by and between THE INTERPUBLIC GROUP OF COMPANIES, INC. (the ?Company? or ?Interpublic?) and PHILIPPE KRAKOWSKY (?Executive?). In consideration of the mutual promises set forth herein, the parties hereto agree as follows: ARTICLE I Defined Terms Section 1.01

July 23, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 21, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

July 23, 2021 EX-99.1

CALL PARTICIPANTS

Exhibit 99.1 On July 21, 2021, The Interpublic Group of Companies, Inc. held a conference call to discuss its second-quarter and first-six-months 2021 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Alexia S. Quadrani J.P

July 21, 2021 EX-99.2

Interpublic Group July 21, 2021 SECOND QUARTER 2021 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. Overview — Second Quarter 2021 Organic change of net revenue, adjusted EBITA before Restructuring Charges and adjusted diluted EPS are

Interpublic Group July 21, 2021 SECOND QUARTER 2021 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

July 21, 2021 EX-99.1

Interpublic Announces Second Quarter and First Half 2021 Results

EX-99.1 2 ipgq22021earningsreleaseex.htm EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (July 21, 2021) Interpublic Announces Second Quarter and First Half 2021 Results • Second quarter net revenue was $2.27 billion, an increase of 22.5% from a year ago, with organic growth of 19.8% • Net income was $263.3 million, with adjusted EBITA before restructuring charges of $405.8 million and mar

July 21, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 21, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

June 2, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 27, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation o

May 3, 2021 EX-99.1

CALL PARTICIPANTS

Exhibit 99.1 On April 28, 2021, The Interpublic Group of Companies, Inc. held a conference call to discuss its first-quarter 2021 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Alexia S. Quadrani J.P. Morgan John Janedis

May 3, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 28, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 28, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 28, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

April 28, 2021 EX-99.2

Interpublic Group April 28, 2021 FIRST QUARTER 2021 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. • Net revenue growth was +2.8% and organic growth of net revenue was +1.9% ◦ U.S. organic change was negative -0.2% ◦ International org

Interpublic Group April 28, 2021 FIRST QUARTER 2021 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

April 28, 2021 EX-99.1

Interpublic Announces First Quarter 2021 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (April 28, 2021) Interpublic Announces First Quarter 2021 Results ? Reported net revenue of $2.03 billion, an increase of 2.8% from a year ago, with organic net revenue growth of 1.9% ? Net income was $91.7 million as reported with first-quarter adjusted EBITA before restructuring of $265.9 million ? First quarter diluted EPS was $0.23 as reported, a

April 28, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of r

April 16, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 16, 2021 DEF 14A

Schedule 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitte

February 25, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 23, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporat

February 25, 2021 EX-99.1

Interpublic Prices Offering of $1.0 Billion Aggregate Principal Amount of Senior Notes

EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Interpublic Prices Offering of $1.0 Billion Aggregate Principal Amount of Senior Notes New York, NY – February 23, 2021 – Interpublic Group (NYSE: IPG) today announced that it has priced a registered public offering of $500 million aggregate principal amount of its 2.400% Senior Notes due 2031 (CUSIP Number 460690 BT6) and $500 million aggregate principal

February 25, 2021 EX-4.3

Eleventh Supplemental Indenture, dated as of February 25, 2021, between the Company and U.S. Bank National Association, as Trustee.

Exhibit 4.3 THE INTERPUBLIC GROUP OF COMPANIES, INC. and U.S. BANK NATIONAL ASSOCIATION Trustee Eleventh Supplemental Indenture Dated as of February 25, 2021 to the Senior Debt Indenture dated as of March 2, 2012 Creating a series of Securities designated 3.375% Senior Notes due 2041 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION SECTION 1.01 Provisions of

February 25, 2021 EX-4.2

Tenth Supplemental Indenture, dated as of February 25, 2021, between the Company and U.S. Bank National Association, as Trustee.

Exhibit 4.2 THE INTERPUBLIC GROUP OF COMPANIES, INC. and U.S. BANK NATIONAL ASSOCIATION Trustee Tenth Supplemental Indenture Dated as of February 25, 2021 to the Senior Debt Indenture dated as of March 2, 2012 Creating a series of Securities designated 2.400% Senior Notes due 2031 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION SECTION 1.01 Provisions of th

February 25, 2021 EX-1.1

Terms Agreement, dated as of February 23, 2021, between the Company and Citigroup Global Markets Inc., BofA Securities, Inc. and Morgan Stanley & Co. LLC, as representatives of the several underwriters named in Schedule I thereto.

Exhibit 1.1 Terms Agreement February 23, 2021 BofA Securities, Inc. One Bryant Park New York, NY 10036 Citigroup Global Markets Inc. 388 Greenwich Street New York, NY 10013 Morgan Stanley & Co. LLC 1585 Broadway New York, NY 10036 as Representative(s) of the Several Underwriters named in Schedule I hereto Ladies and Gentlemen: The Interpublic Group of Companies, Inc., a Delaware corporation (the ?

February 24, 2021 424B2

CALCULATION OF REGISTRATION FEE Amount to be Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price Amount of Registration Fee (1)(2) 2.400% Senior Notes due 2031 $500,000,000 99.832% $499,160,000.00 $54,458.36

Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-230666 CALCULATION OF REGISTRATION FEE Amount to be Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price Amount of Registration Fee (1)(2) 2.400% Senior Notes due 2031 $500,000,000 99.832% $499,160,000.00 $54,458.36 3.375% Senior Notes due 2041 $500,000,000 99.783% $498,915,000.00 $54,4

February 23, 2021 424B2

Subject to Completion Preliminary Prospectus Supplement, dated February 23, 2021

Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-230666 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities nor are we soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitte

February 23, 2021 FWP

Final Term Sheet 2.400% Senior Notes due 2031 3.375% Senior Notes due 2041 Issuer: The Interpublic Group of Companies, Inc. Trade Date: February 23, 2021 Settlement Date: February 25, 2021 (T+2) Expected Ratings*: Baa2/Neg. (Moody’s) BBB/Neg. (S&P) B

Issuer Free Writing Prospectus Filed Pursuant to Rule 433 February 23, 2021 Relating to the Preliminary Prospectus Supplement dated February 23, 2021 to the Prospectus dated April 1, 2019 Registration Statement No.

February 22, 2021 EX-10.(III)(A)(62)

THE INTERPUBLIC RESTRICTED CASH PLAN

Exhibit 10(iii)(A)(62) THE INTERPUBLIC RESTRICTED CASH PLAN THE INTERPUBLIC GROUP OF COMPANIES, INC.

February 22, 2021 EX-10.(III)(A)(56)

THE INTERPUBLIC GROUP OF COMPANIES, INC. 2019 PERFORMANCE INCENTIVE PLAN PERFORMANCE CASH AWARD AGREEMENT

Exhibit 10(iii)(A)(56) THE INTERPUBLIC GROUP OF COMPANIES, INC. 2019 PERFORMANCE INCENTIVE PLAN PERFORMANCE CASH AWARD AGREEMENT THE INTERPUBLIC GROUP OF COMPANIES, INC., a Delaware corporation (the "Company"), hereby grants to the Participant named below a Performance Cash Award (the "Performance Cash Award") to be settled in cash. The terms and conditions of the Performance Cash Award are set fo

February 22, 2021 EX-10.(III)(A)(53)

THE INTERPUBLIC GROUP OF COMPANIES, INC. 2019 PERFORMANCE INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT

Exhibit 10(iii)(A)(53) THE INTERPUBLIC GROUP OF COMPANIES, INC. 2019 PERFORMANCE INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT THE INTERPUBLIC GROUP OF COMPANIES, INC., a Delaware corporation (the "Company"), hereby grants to the Participant named below a Performance Share Award (the "Award") to be settled in shares of the Company's common stock (the "Shares"). The terms and conditions of the A

February 22, 2021 EX-10.(III)(A)(50)

THE INTERPUBLIC GROUP OF COMPANIES, INC. 2019 PERFORMANCE INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT

Exhibit 10(iii)(A)(50) THE INTERPUBLIC GROUP OF COMPANIES, INC. 2019 PERFORMANCE INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT THE INTERPUBLIC GROUP OF COMPANIES, INC., a Delaware corporation (the "Company"), hereby grants to the Participant named below an award (the "Award") of Restricted Stock Units ("RSUs"), payable in shares of the Company?s common stock (the ?Shares?). The terms and co

February 22, 2021 EX-21

The Interpublic Group of Companies, Inc.

EXHIBIT 21 The Interpublic Group of Companies, Inc. Our principal subsidiaries as of December 31, 2020 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary under Rule 1-02(w) of Regulation S-X. Company Name State (U.S.) Acxiom LLC Delaware Business Science Research Corporation Delaware Campbell-Ewald Company

February 22, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of regist

February 22, 2021 EX-10.(III)(A)(58)

THE INTERPUBLIC GROUP OF COMPANIES 2019 PERFORMANCE INCENTIVE PLAN NONSTATUTORY STOCK OPTION AWARD AGREEMENT

Exhibit 10(iii)(A)(58) THE INTERPUBLIC GROUP OF COMPANIES 2019 PERFORMANCE INCENTIVE PLAN NONSTATUTORY STOCK OPTION AWARD AGREEMENT THE INTERPUBLIC GROUP OF COMPANIES, INC.

February 22, 2021 EX-24

POWER OF ATTORNEY

EXHIBIT 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each individual whose signature appears below constitutes and appoints PHILIPPE KRAKOWSKY, ELLEN JOHNSON, CHRISTOPHER F.

February 22, 2021 EX-10.(III)(A)(61)

The Interpublic Restricted Cash Plan Restatement Effective November 12, 2020

Exhibit 10(iii)(A)(61) The Interpublic Restricted Cash Plan Restatement Effective November 12, 2020 Interpublic Restricted Cash Plan 1 INTERPUBLIC RESTRICTED CASH PLAN TABLE OF CONTENTS Page Article I Introduction.

February 16, 2021 EX-99.1

CALL PARTICIPANTS

Exhibit 99.1 On February 10, 2021, The Interpublic Group of Companies, Inc. held a conference call to discuss its fourth-quarter and full-year 2020 results. CALL PARTICIPANTS IPG PARTICIPANTS Philippe Krakowsky Chief Executive Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Senior Vice President, Investor Relations ANALYST PARTICIPANTS Alexia S. Quadrani J.P. M

February 16, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 10, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporat

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Interpublic Group of Cos. Inc. Title of Class of Securities: Common Stock CUSIP Number: 460690100 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule

February 10, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 10, 2021 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporat

February 10, 2021 EX-99.2

Interpublic Group February 10, 2021 FOURTH QUARTER & FULL YEAR 2020 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc. • Fourth Quarter 2020 net revenue change was -6.1% and organic change was -5.4% ◦ U.S. organic change of net revenue wa

ipgq42020investordeckex9 Interpublic Group February 10, 2021 FOURTH QUARTER & FULL YEAR 2020 EARNINGS CONFERENCE CALL 2Interpublic Group of Companies, Inc.

February 10, 2021 EX-99.1

IPG Announces Full Year and Fourth Quarter 2020 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (February 10, 2021) IPG Announces Full Year and Fourth Quarter 2020 Results •Fourth quarter reported net revenue of $2.28 billion, a decrease of 6.1% from a year ago, with organic net revenue decrease of 5.4%, due to challenging macroeconomic environment •Fourth quarter organic net revenue decreases of 1.8% in the U.S. and 10.5% in International mark

October 23, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 21, 2020 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 23, 2020 EX-10.1

THE INTERPUBLIC GROUP OF COMPANIES, INC. EMPLOYEE STOCK PURCHASE PLAN (2016) As Amended for Purchase Periods commencing on and after October 1, 2020

EXHIBIT 10.1 THE INTERPUBLIC GROUP OF COMPANIES, INC. EMPLOYEE STOCK PURCHASE PLAN (2016) As Amended for Purchase Periods commencing on and after October 1, 2020 The purpose of the Plan is to provide employees an opportunity to purchase shares of IPG stock through offerings to be made from time to time during the ten-year period commencing January 1, 2016. 10,000,000 shares in the aggregate were r

October 23, 2020 EX-99.1

CALL PARTICIPANTS

Exhibit 99.1 On October 21, 2020, The Interpublic Group of Companies, Inc. held a conference call to discuss its third-quarter and first-nine-months 2020 results. CALL PARTICIPANTS IPG PARTICIPANTS Michael Roth Chairman of the Board and Chief Executive Officer Philippe Krakowsky Executive Vice President, Chief Operating Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry

October 23, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name

October 22, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 21, 2020 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 22, 2020 EX-99.1

Interpublic Group Announces CEO Succession Philippe Krakowsky Elected Chief Executive Officer of Interpublic Group Effective January 1, 2021 IPG Chairman and CEO Michael I. Roth to Assume Role of Executive Chairman

Exhibit 99.1 FOR IMMEDIATE RELEASE Interpublic Group Announces CEO Succession Philippe Krakowsky Elected Chief Executive Officer of Interpublic Group Effective January 1, 2021 IPG Chairman and CEO Michael I. Roth to Assume Role of Executive Chairman New York, NY – October, 21, 2020 – Interpublic Group (NYSE: IPG) Board of Directors announced today that it has named Philippe Krakowsky as IPG Chief

October 21, 2020 EX-99.1

Interpublic Announces Third Quarter and First Nine Months 2020 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (October 21, 2020) Interpublic Announces Third Quarter and First Nine Months 2020 Results •Third quarter reported net revenue of $1.95 billion, a decrease of 5.2% from a year ago, with organic net revenue decrease of 3.7%, due to impact of COVID-19 macroeconomic disruption •Third quarter organic change of net revenue was negative 2.4% in the US and w

October 21, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 21, 2020 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporati

October 21, 2020 EX-99.2

THIRD QUARTER 2020 EARNINGS CONFERENCE CALL Interpublic Group October 21, 2020 Overview — Third Quarter 2020 • Net revenue change was -5.2%, and organic change of net revenue was -3.7%, amid COVID-19 macroeconomic disruption ◦ U.S. organic change was

EX-99.2 3 ipgq32020investordeckexh.htm EX-99.2 THIRD QUARTER 2020 EARNINGS CONFERENCE CALL Interpublic Group October 21, 2020 Overview — Third Quarter 2020 • Net revenue change was -5.2%, and organic change of net revenue was -3.7%, amid COVID-19 macroeconomic disruption ◦ U.S. organic change was -2.4% ◦ International organic change was -6.0% • Net income as reported was $279.7 million, with adjus

July 31, 2020 EX-99.1

CALL PARTICIPANTS

Exhibit 99.1 On July 29, 2020, The Interpublic Group of Companies, Inc. held a conference call to discuss its second-quarter and first-half 2020 results. CALL PARTICIPANTS IPG PARTICIPANTS Michael Roth Chairman of the Board and Chief Executive Officer Philippe Krakowsky Executive Vice President, Chief Operating Officer Ellen Johnson Executive Vice President, Chief Financial Officer Jerry Leshne Se

July 31, 2020 EX-10.3

AMENDMENT NO. 1 TO THE CREDIT AGREEMENT

AMENDMENT NO. 1 TO THE CREDIT AGREEMENT Dated as of July 28, 2020 AMENDMENT NO. 1 TO THE CREDIT AGREEMENT (this “Amendment”), dated as of July 28, 2020 among The Interpublic Group of Companies, Inc., a Delaware corporation (the “Company”), the banks, financial institutions and other institutional lenders parties to the Credit Agreement referred to below (collectively, the “Lenders”) and Citibank,

July 31, 2020 EX-10.1

ARTICLE I Defined Terms

EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (“Agreement”) made as of January 1, 2020 (the “Effective Date”) by and between THE INTERPUBLIC GROUP OF COMPANIES, INC.

July 31, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-6686 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of re

July 31, 2020 EX-10.2

AMENDMENT NO. 1 TO THE CREDIT AGREEMENT

AMENDMENT NO. 1 TO THE CREDIT AGREEMENT Dated as of July 28, 2020 AMENDMENT NO. 1 TO THE CREDIT AGREEMENT (this “Amendment”), dated as of July 28, 2020 among The Interpublic Group of Companies, Inc., a Delaware corporation (the “Company”), the banks, financial institutions and other institutional lenders parties to the Credit Agreement referred to below (collectively, the “Lenders”) and Citibank,

July 31, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 29, 2020 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

July 29, 2020 EX-99.2

SECOND QUARTER 2020 EARNINGS CONFERENCE CALL Interpublic Group July 29, 2020 Overview — Second Quarter 2020 •Net revenue change was -12.8%, and organic change of net revenue was -9.9%, amid COVID-19 macroeconomic disruption ◦ U.S. organic change was

ipgq22020investordeckexh SECOND QUARTER 2020 EARNINGS CONFERENCE CALL Interpublic Group July 29, 2020 Overview — Second Quarter 2020 •Net revenue change was -12.

July 29, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 29, 2020 THE INTERPUBLIC GROUP OF COMPANIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6686 13-1024020 (State or other jurisdiction of incorporation

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