Consent of Independent Accountants We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 of The Interpublic Group of Companies, Inc. (the "Company"), of our report dated February 26, 2001, except for Note 15 which is as of March 19, 2001, which appears in the 2000 Annual Report to Stockholders which is incorporated in this Annual Report on Form 10-K: Registration Statements on Form S-8 No. 2-79071; No. 2-43811; No. 2-56269; No. 2-61346; No. 2-64338; No. 2-67560; No. 2-72093; No. 2-88165; No. 2-90878; No. 2-97440; and No. 33-28143, relating to the Stock Option Plan (1971), the Stock Option Plan (1981), the Stock Option Plan (1988) and the Achievement Stock Award Plan of the Company; Registration Statements on Form S-8 No. 2-53544; No. 2-91564; No. 2-98324; No. 33-22008; No. 33-64062; and No. 33-61371, relating to the Employee Stock Purchase Plan (1975), the Employee Stock Purchase Plan (1985) and the Employee Stock Purchase Plan of the Company (1995); Registration Statements on Form S-8 No. 33-20291 and No. 33-2830 relating to the Management Incentive Compensation Plan of the Company; Registration Statements on Form S-8 No. 33-5352; No. 33-21605; No. 333-4747; and No. 333-23603 relating to the 1986 Stock Incentive Plan, the 1986 United Kingdom Stock Option Plan and the 1996 Stock Incentive Plan of the Company; Registration Statements on Form S-8 No. 33-10087 and No. 33-25555 relating to the Long-Term Performance Incentive Plan of the Company; Registration Statement on Form S-8 No. 333-28029 relating to The Interpublic Outside Directors' Stock Incentive Plan of the Company; Registration Statement on Form S-8 No. 33-42675 relating to the 1997 Performance Incentive Plan of the Company; and Registration Statement on Form S-3 No. 333-53592 related to the public offering of shares of the Company. We also consent to the incorporation by reference of our report dated February 26, 2001 relating to the financial statement schedule, which appears in this Form 10-K. PricewaterhouseCoopers LLP New York, New York March 27, 2001 CONSENT OF INDEPENDENT ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in the Registration Statements on Form S-8 of The Interpublic Group of Companies, Inc. (the "Company"), of our reports dated February 25, 2000, with respect to the consolidated financial statements of NFO Worldwide, Inc. and subsidiaries as of December 31, 1999, and for each of the years in the two-year period ended December 31, 1999, which appears in the Company's 2000 Annual Report on Form 10-K: Registration Statements No. 2-79071; No. 2-43811; No. 2-56269; No. 2-61346; No. 2-64338; No. 2-67560; No. 2-72093; No. 2-88165; No. 2-90878; No. 2-97440 and No. 33-28143, relating variously to the Stock Option Plan (1971), the Stock Option Plan (1981), the Stock Option Plan (1988) and the Achievement Stock Award Plan of the Company; Registration Statements No. 2-53544; No. 2-91564; No. 2-98324; No. 33-22008; No. 33-64062 and No. 33-61371, relating variously to the Employee Stock Purchase Plan (1975), the Employee Stock Purchase Plan (1985) and the Employee Stock Purchase Plan of the Company (1995); Registration Statements No. 33-20291 and No. 33-2830 relating to the Management Incentive Compensation Plan of the Company; Registration Statements No. 33-5352; No. 33-21605; No. 333-4747 and No. 333-23603 relating to the 1986 Stock Incentive Plan, the 1986 United Kingdom Stock Option Plan and the 1996 Stock Incentive Plan, of the Company; Registration Statements No. 33-10087 and No. 33-25555 relating to the Long-Term Performance Incentive Plan of the Company; Registration Statement No. 333-28029 relating to The Interpublic Outside Directors' Stock Incentive Plan of the Company; Registration Statement No. 33-42675 relating to the 1997 Performance Incentive Plan of the Company; and Registration Statement on Form S-3 No. 333-53592 relating to the public offering of shares. It should be noted that we have not audited any financial statements of NFO Worldwide, Inc. subsequent to December 31, 1999 or performed any audit procedures subsequent to the date of our report. Arthur Andersen LLP New York, New York March 27, 2001 Consent of Independent Public Accountants ----------------------------------------- We consent to the incorporation by reference in the Registration Statements on Form S-8 of The Interpublic Group of Companies, Inc. (the "Company"), of our report dated February 13, 2001, included in the Company's 2000 Annual Report as Form 10-K; Registration Statements No. 2-79071; No. 2-43811; No. 2-56269; No. 2-61346; No. 2-64338; No. 2-67560; No. 2-72093; No. 2-88165; No. 2-90878; No. 2-97440; and No. 33-28143, relating variously to the Stock Option Plan (1971), the Stock Option Plan (1981), the Stock Option Plan (1988) and the Achievement Stock Award Plan of the Company; Registration Statements No. 2-53544; No. 2-91564; No. 2-98324; No. 33-22008; No. 33-64062; and No. 33-61371, relating variously to the Employee Stock Purchase Plan (1975), the Employee Stock Purchase Plan (1985) and the Employee Stock Purchase Plan of the Company (1995); Registration Statements No. 33-20291 and No. 33-2830 relating to the Management Incentive Compensation Plan of the Company; Registration Statements No. 33-5352; No. 33-21605; No. 333-4747; and No. 333-23603 relating to the 1986 Stock Incentive Plan, the 1986 United Kingdom Stock Option Plan and the 1996 Stock Incentive Plan of the Company; Registration Statements No. 33-10087 and No. 33-25555 relating to the Long-Term Performance Incentive Plan of the Company; Registration Statement No. 333-28029 relating to The Interpublic Outside Directors' Stock Incentive Plan of the Company; Registration Statement No. 33-42675 relating to the 1997 Performance Incentive Plan of the Company; and Registration Statement on Form S-3 No. 333-53592 relating to the public offering of shares. J.H. Cohn LLP Roseland, New Jersey March 27, 2001