Document:

Exhibit 4.8

SIXTH SUPPLEMENTAL INDENTURE

         SIXTH SUPPLEMENTAL INDENTURE (the “Supplemental Indenture”) dated as of February 12, 2009 among OMNICOM GROUP INC., a New York corporation (the “Company”), OMNICOM CAPITAL INC., a
Connecticut corporation (“OCI”), OMNICOM FINANCE INC., a Delaware corporation (“OFI” and together with the Company and OCI, the “Issuers”), and DEUTSCHE BANK TRUST COMPANY AMERICAS (as successor to
JPMorgan Chase Bank, N.A.), as trustee under the indenture referred to below (the “Trustee”).

W I T N E S S E T H:

         WHEREAS, the Issuers and the Trustee have heretofore executed and delivered to the Trustee an Indenture, dated as of February 7, 2001, as amended by the First Supplemental Indenture, dated as of February 13, 2004, the
Second Supplemental Indenture, dated as of November 4, 2004, the Third Supplemental Indenture, dated as of November 30, 2004, the Fourth Supplemental Indenture, dated as of July 10, 2008 and the Amended and Restated Fifth Supplemental Indenture,
dated January 29, 2009 (as so amended, the “Indenture”), providing for the issuance of an aggregate principal amount of $850,000,000 of Liquid Yield OptionTM Notes due 2031 (the “Securities”),
$551,801,000 of which are outstanding on the date hereof;

         WHEREAS, the Issuers desire to amend the Indenture with respect to Securityholders that have consented to the Amendments (defined below) to (i) make Contingent Cash Interest payable only after February 8, 2012; (ii)
eliminate the adjustment to the Conversion Rate between April 30, 2009 and January 31, 2012 if the Issuers pay any Regular Cash Dividend during any quarterly fiscal period that Contingent Cash Interest is payable; and (iii) eliminate the
Issuers’ right to redeem the Notes prior to February 1, 2011 (the “Amendments”);

         WHEREAS, Section 9.02(2) of the Indenture provides that the Issuers and the Trustee may amend or supplement the Indenture and the Securities only with the written consent of affected Securityholders to, among other
things, make any change that adversely affect the right to receive Contingent Cash Interest;

         WHEREAS, as of the date hereof, the Securityholders holding $551,533,000 aggregate principal amount of Securities consented to the Amendments (together with any additional Securityholders that consent to the
Amendments after the date hereof, the “Consenting Securityholders”);

         WHEREAS, the Issuers will issue to each Consenting Securityholder amended notes to give effect to the Amendments (the “Amended Notes”) and will cancel an equal aggregate principal amount of Securities
(the “Original Notes”) held by such Consenting Securityholder;

         WHEREAS, an Opinion of Counsel has been delivered to the Trustee under Section 9.06 and 12.04 of the Indenture; and

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         WHEREAS, pursuant to Sections 9.02 and 9.06 of the Indenture, the Trustee and the Company are authorized to execute and deliver this Supplemental Indenture;

         NOW THEREFORE, for good and valuable consideration, the receipt of which is hereby acknowledged, the Issuers and the Trustee mutually covenant and agree for the equal and ratable benefit of the holders of the Securities
as follows:

     1. Definitions. All capitalized terms used but not defined herein shall have the meanings given to such terms set forth in the Indenture.

     2. Amendments. The Indenture be, and hereby is, amended as follows:

     2.1 (a) The following definitions in Section 1.01 of the Indenture are hereby amended as follows:

     ““Global Securities” means Securities that are in the form of the Securities attached hereto as Exhibits A-1 and A-1-1, and to the extent that such Securities are required to bear the Legend
required by Section 2.06(f), such Securities will be in the form of a 144A Global Security.”

     ““Securities” means the Original Notes and the Amended Notes.”

     (b) Section 1.01 of the Indenture is hereby further amended to add the following definitions in their proper alphabetical location:

     “Amended Notes” means any of the Liquid Yield OptionTM Notes due 2031 issued under the Indenture on or after February 11, 2009 in the form of Exhibit A-1-1 hereto upon cancellation of an equal
principal amount of Original Notes, as such form of note may be amended from time to time.”

     “Original Notes” means any of the Liquid Yield OptionTM Notes due 2031 that are not Amended Notes.”

     2.2 (a) The first paragraph of Section 2.01 of the Indenture is hereby amended and restated as follows:

     “The Securities and the Trustee’s certificate of authentication shall be substantially in the form of Exhibits A-1, A-1-1 and A-2, which are a part of this Indenture. The Securities may have notations, legends
or endorsements required by law, stock exchange rule or usage (provided that any such notation, legend or endorsement required by usage is in a form acceptable to the Issuers). The Issuers shall provide any such notations, legends or endorsements to
the Trustee in writing. Each Security shall be dated the date of its authentication.”

     (b) Section 2.01(e) of the Indenture is hereby amended and restated as follows:

     “Certificated Securities. Securities not issued as interests in the Global Securities will be issued in certificated form substantially in the form of Exhibit A-2 attached hereto. The Form of

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the Reverse Side of the Security in Exhibits A-1 and A-1-1, as applicable, will be incorporated into Exhibit A-2.”

     (c) The penultimate paragraph of Section 2.02 is hereby amended and restated in its entirety as follows:

     “The Trustee shall authenticate and deliver Securities for original issue in the aggregate Issue Price of up to $850,000,000 upon a Company Order without any further action by the Issuers. The aggregate Issue
Price outstanding at any time may not exceed the amount set forth in the foregoing sentence, except as provided in Section 2.07. Notwithstanding any other provisions of this Indenture, on or after February 11, 2009, the Issuers may accept consents
from Holders of Original Notes with respect to the amendments reflected in the Amended Notes and the Issuers will cancel such Holders Original Notes for which consent has been delivered and replace such Original Notes with an equal aggregate
principal amount of Amended Notes. In order to effect any such consent, the Issuers shall, upon receipt by the Issuers from any such Securityholder of any documents the Issuers determine are necessary to enable the Issuers to comply with the terms
and conditions of this Indenture, instruct the Trustee to (i) replace such Original Notes for an equal aggregate principal amount of Amended Notes in accordance with Sections 2.01, 2.06 and 2.12 of this Indenture and (ii) cancel the corresponding
aggregate principal amount of Original Notes so replaced in accordance with Section 2.10 of this Indenture.”

     2.3 New EXHIBIT A-1-1 (Amended Notes - Form of Face of Global Security) shall be added as follows:

“EXHIBIT A-1-1

[FORM OF FACE OF GLOBAL SECURITY]

     FOR PURPOSES OF SECTIONS 1273 AND 1275 OF THE INTERNAL REVENUE CODE, THIS SECURITY IS ISSUED WITH AN INDETERMINATE AMOUNT OF ORIGINAL ISSUE DISCOUNT FOR UNITED STATES FEDERAL INCOME TAX PURPOSES. THE ISSUE DATE IS
FEBRUARY 7, 2001 (THE “ORIGINAL ISSUE DATE”), AND THE YIELD TO MATURITY FOR PURPOSES OF ACCRUING ORIGINAL ISSUE DISCOUNT IS 6.71% PER ANNUM. THE HOLDER OF THIS SECURITY MAY OBTAIN THE PROJECTED PAYMENT SCHEDULE BY SUBMITTING A WRITTEN
REQUEST FOR SUCH INFORMATION TO: OMNICOM GROUP INC., 437 MADISON AVENUE, 9TH FLOOR, NEW YORK, NEW YORK 10022, ATTENTION: GENERAL COUNSEL.

     UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY TO THE ISSUERS OR THEIR AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS
REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (AND ANY PAYMENT HEREON IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY), ANY TRANSFER,

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PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

     TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS TO NOMINEES OF THE DEPOSITORY TRUST COMPANY, OR TO A SUCCESSOR THEREOF OR SUCH SUCCESSOR’S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY
SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN ARTICLE TWO OF THE INDENTURE REFERRED TO ON THE REVERSE HEREOF.

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OMNICOM GROUP INC.

Liquid Yield OptionTM Note due 2031

(Zero Coupon - Senior)

		
	
No. U-
        	
CUSIP:
        
	
Issue Date:
        	 

        
	
Issue Price: $1,000
        	 

        

     Each of OMNICOM GROUP INC., a New York corporation, OMNICOM CAPITAL INC., a Connecticut corporation, and OMNICOM FINANCE INC., a Delaware corporation, jointly and severally, promises to pay to Cede & Co. or
registered assigns, the Issue Price of [_______________________________
   ($________)], or if greater, the Principal Amount at Maturity, on February 7, 2031.

     This Security shall bear no interest other than Contingent Cash Interest, if any, and Contingent Additional Principal will accrue as specified on the other side of this Security. This Security is convertible as
specified on the other side of this Security.

Additional provisions of this Security are set forth on the other side of this Security.

		
	Dated:
	 	 
	 
        	
      

    	
OMNICOM GROUP INC.
        
	 	 	 
	 

        	By:

        	 
	 

        	 
        	
      

      Title:

	 

        	 	 
	 	 
	 

        	
OMNICOM CAPITAL INC.
        
	 	 	 
	 

        	By:

        	 
	 

        	 
 	
      

      Title:
        
	 

        	 	 
	 	 
	 

        	
OMNICOM FINANCE INC.
        
	 	 	 
	 

        	By:

        	 
	 

        	 

        	
      

      Title:

5

TRUSTEE’S CERTIFICATE OF

     AUTHENTICATION

  

DEUTSCHE BANK TRUST COMPANY AMERICAS,

as Trustee, certifies that this

is one of the Securities referred

to in the within-mentioned Indenture (as

defined on the other side of this Security).

		
	
By
        	 

        
	 
        	
      

        
	 

        	
      Authorized Officer
        

    
	 	 

		
	
Dated:
        	 

        
	 
        	
      

        

6

Liquid Yield OptionTM Note due 2031

(Zero Coupon-Senior)

1. Interest.

     This Security shall not bear interest, except as specified in this paragraph or in paragraph 5 hereof. If the Principal Amount at Maturity hereof or any portion of such Principal Amount at Maturity is not paid when due
(whether upon acceleration pursuant to Section 6.02 of the Indenture, upon the date set for payment of the Redemption Price pursuant to paragraph 6 hereof, upon the date set for payment of the Purchase Price or Change in Control Purchase Price
pursuant to paragraph 7 hereof or upon the maturity of this Security) or if Contingent Cash Interest, if any, due hereon or any portion of such interest is not paid when due in accordance with paragraph 5 hereof, then in each such case the overdue
amount shall, to the extent permitted by law, bear interest at the sum of the rate of 1% per annum plus a percentage per annum equal to the rate of accrual of Contingent Additional Principal, if any, compounded semiannually, which interest shall
accrue from the date such overdue amount was originally due to the date payment of such amount, including interest thereon, has been made or duly provided for. All such interest shall be payable on demand. The accrual of such interest on overdue
amounts shall be in lieu of, and not in addition to, the continued accrual of Contingent Additional Principal.

2. Method of Payment.

     Subject to the terms and conditions of the Indenture, and except as otherwise provided in the Indenture, the Issuers or the Purchase Party, with respect to the Purchase Price only, will make payments in respect of
Redemption Prices, Purchase Prices, Change in Control Purchase Prices and at maturity of this Security to Holders who surrender Securities to a Paying Agent to collect such payments in respect of the Securities. In addition, the Issuers will pay
Contingent Cash Interest, if any. The Issuers or the Purchase Party will pay cash amounts in money of the United States that at the time of payment is legal tender for payment of public and private debts. However, the Issuers or the Purchase Party
may make such cash payments by check payable in such money if the Security is not registered in the name of Cede & Co. or a nominee thereof. If the Security is registered in the name of Cede & Co. or a nominee thereof, the Issuers or the
Purchase Party may make such cash payments by wire transfer. Any payment required to be made on any day that is not a Business Day will be made on the next succeeding Business Day.

3. Paying Agent, Conversion Agent, Registrar and Bid Solicitation Agent.

     Deutsche Bank Trust Company Americas (the “Trustee”), will act as Paying Agent, Conversion Agent, Registrar and Bid Solicitation Agent. The Issuers may appoint and change any Paying Agent, Conversion Agent,
Registrar or co-registrar or Bid Solicitation Agent without notice, other than notice to the Trustee, except that the Issuers will maintain at least one Paying Agent in the State of New York, City of New York, Borough of Manhattan, which shall
initially be an office or agency of the Trustee. The Issuers or any of their Subsidiaries or any of their Affiliates may act as Paying Agent, Conversion Agent, Registrar or co-registrar. None of the Issuers, any of their Subsidiaries or any of their
Affiliates shall act as Bid Solicitation Agent.

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4. Indenture.

     The Company initially issued the Securities under an Indenture dated as of February 7, 2001, between the Company and the Trustee as amended by the First Supplemental Indenture, dated as of February 13, 2004, among the
Issuers and the Trustee, the Second Supplemental Indenture, dated as of November 4, 2004, among the Issuers and the Trustee, the Third Supplemental Indenture, dated as of November 30, 2004, among the Issuers and the Trustee, the Fourth Supplemental
Indenture, dated as of July 10, 2008, among the Issuers and the Trustee, the Amended and Restated Fifth Supplemental Indenture, dated January 29, 2009, among the Issuers and the Trustee and the Sixth Supplemental Indenture, dated as of the date
hereof, among the Issuers and the Trustee (as so amended, the “Indenture”). The terms of the Securities include those stated in the Indenture and those made part of the Indenture by reference to the Trust Indenture Act of 1939, as in
effect from time to time (the “TIA”). Capitalized terms used herein and not defined herein have the meanings ascribed thereto in the Indenture. The Securities are subject to all such terms, and Securityholders are referred to the Indenture
and the TIA for a statement of those terms.

     The Securities are joint and several general unsecured and unsubordinated obligations of the Issuers limited to $850,000,000 aggregate Issue Price (subject to Section 2.07 of the Indenture). The Indenture does not
limit other indebtedness of the Issuers, secured or unsecured.

     Before February 7, 2021, the Principal Amount at Maturity of a Security will be equal to the Issue Price of the Security. On or after February 7, 2021, if the February 7, 2021 Average Conversion Value of a Security is
greater than the Issue Price but less than or equal to 220% of the Issue Price, then the Principal Amount at Maturity of a Security will be equal to the February 7, 2021 Average Conversion Value of the Security on February 7, 2021, but in no event
greater than two times the Issue Price; provided that if the February 7, 2021 Average Conversion Value exceeds two times the Issue Price, then the Principal Amount at Maturity will equal to two times the Issue Price. If that February 7, 2021 Average
Conversion Values exceeds 220% of the Issue Price or is less than or equal than the Issue Price then the Principal Amount at Maturity will equal the Issue Price.

5. Contingent Cash Interest.

     Subject to the record date provisions specified in this paragraph 5, the Issuers shall pay, jointly and severally, contingent cash interest (“Contingent Cash Interest”) to the Holder of this Security during
any six-month period (each a “Contingent Interest Period”) from February 8 to August 7 or from August 8 to February 7, commencing on or after February 8, 2012, if the average of the LYON Market Prices for each of the days in the Five-Day
Period with respect to such Contingent Interest Period equals or exceeds 120% of the Issue Price at Maturity of this Security.

     Contingent Cash Interest, if any, will accrue from the first day of the applicable six-month period and be payable quarterly on January 31, April 30, July 31 and October 31 (each a “Contingent Interest Payment
Date”) of the relevant six-month period to Holders of the Security on the record date, which will be each April 15, July 15, October 15 and January 15, immediately preceding each applicable payment date set forth below.

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     For any six-month period, the amount of Contingent Cash Interest payable on any Contingent Interest Payment Date per $1,000 Issue Price thereof in respect of any Contingent Interest Period shall equal the amounts
set forth below per $1,000 Issue Price for each applicable six-month period.

				
	
Payment Date
        	

      Quarterly 

      Interest
        	
Payment Date
        	
Quarterly
         

      Interest
        
	 	 	 	 
	
April 30, 2012
        	
$2.57
        	
October 31, 2021
        	
$3.75
        
	
July 31, 2012
        	
$2.57
        	
January 31, 2022
        	
$3.75
        
	
October 31, 2012
        	
$2.69
        	
April 30, 2022
        	
$3.75
        
	
January 31, 2013
        	
$2.69
        	
July 31, 2022
        	
$3.75
        
	
April 30, 2013
        	
$2.69
        	
October 31, 2022
        	
$3.86
        
	
July 31, 2013
        	
$2.69
        	
January 31, 2023
        	
$3.86
        
	
October 31, 2013
        	
$2.81
        	
April 30, 2023
        	
$3.86
        
	
January 31, 2014
        	
$2.81
        	
July 31, 2023
        	
$3.86
        
	
April 30, 2014
        	
$2.81
        	
October 31, 2023
        	
$3.98
        
	
July 31, 2014
        	
$2.81
        	
January 31, 2024
        	
$3.98
        
	
October 31, 2014
        	
$2.93
        	
April 30, 2024
        	
$3.98
        
	
January 31, 2015
        	
$2.93
        	
July 31, 2024
        	
$3.98
        
	
April 30, 2015
        	
$2.93
        	
October 31, 2024
        	
$4.10
        
	
July 31, 2015
        	
$2.93
        	
January 31, 2025
        	
$4.10
        
	
October 31, 2015
        	
$3.04
        	
April 30, 2025
        	
$4.10
        
	
January 31, 2016
        	
$3.04
        	
July 31, 2025
        	
$4.10
        
	
April 30, 2016
        	
$3.04
        	
October 31, 2025
        	
$4.21
        
	
July 31, 2016
        	
$3.04
        	
January 31, 2026
        	
$4.21
        
	
October 31, 2016
        	
$3.16
        	
April 30, 2026
        	
$4.21
        
	
January 31, 2017
        	
$3.16
        	
July 31, 2026
        	
$4.21
        
	
April 30, 2017
        	
$3.16
        	
October 31, 2026
        	
$4.33
        
	
July 31, 2017
        	
$3.16
        	
January 31, 2027
        	
$4.33
        
	
October 31, 2017
        	
$3.28
        	
April 30, 2027
        	
$4.33
        
	
January 31, 2018
        	
$3.28
        	
July 31, 2027
        	
$4.33
        
	
April 30, 2018
        	
$3.28
        	
October 31, 2027
        	
$4.45
        
	
July 31, 2018
        	
$3.28
        	
January 31, 2028
        	
$4.45
        
	
October 31, 2018
        	
$3.39
        	
April 30, 2028
        	
$4.45
        
	
January 31, 2019
        	
$3.39
        	
July 31, 2028
        	
$4.45
        
	
April 30, 2019
        	
$3.39
        	
October 31, 2028
        	
$4.56
        
	
July 31, 2019
        	
$3.39
        	
January 31, 2029
        	
$4.56
        
	
October 31, 2019
        	
$3.51
        	
April 30, 2029
        	
$4.56
        
	
January 31, 2020
        	
$3.51
        	
July 31, 2029
        	
$4.56
        
	
April 30, 2020
        	
$3.51
        	
October 31, 2029
        	
$4.68
        
	
July 31, 2020
        	
$3.51
        	
January 31, 2030
        	
$4.68
        
	
October 31, 2020
        	
$3.63
        	
April 30, 2030
        	
$4.68
        
	
January 31, 2021
        	
$3.63
        	
July 31, 2030
        	
$4.68
        
	
April 30, 2021
        	
$3.63
        	
October 31, 2030
        	
$4.80
        
	
July 31, 2021
        	
$3.63
        	
January 31, 2031
        	
$4.80
        

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     “Five-Day Period” means, with respect to any Contingent Interest Period, the five trading days ending on the second trading day immediately preceding the first day of such Contingent Interest Period; provided,
however, if the Company shall have declared a Regular Cash Dividend on its Common Stock that is payable during such Contingent Interest Period but for which the record date for determining stockholders entitled thereto precedes the first day of such
Contingent Interest Period, then “Five-Day Period” shall mean, with respect to such Contingent Interest Period, the five trading days ending on the second trading day immediately preceding such record date.

     “Regular Cash Dividends” means quarterly or other periodic cash dividends on the Company’s Common Stock as declared by the Board of Directors as part of its cash dividend payment practices and that are
not designated by the Board of Directors as extraordinary or special or other nonrecurring dividends.

     “LYON Market Price” means, as of any date of determination, the average of the secondary market bid quotations per $1,000 Principal Amount at Maturity obtained by the Bid Solicitation Agent for $10
million Principal Amount at Maturity of Securities at approximately 4:00 p.m., New York City time, on such determination date from three independent nationally recognized securities dealers in The City of New York (none of which shall be an
Affiliate of the Issuers) selected by the Issuers; provided, however, if (a) at least three such bids are not obtained by the Bid Solicitation Agent or (b) in the Issuers’ reasonable judgment, the bid quotations are not indicative of the
secondary market value of the Securities as of such determination date, then the LYON Market Price for such determination date shall equal (i) the Conversion Rate in effect as of such determination date multiplied by (ii) the average of the Sale
Prices of the Common Stock for each of the five trading days ending on such determination date, appropriately adjusted to take into account the occurrence, during the period commencing on the first of such trading days during such five trading day
period and ending on such determination date, of any event described in Section 10.06, 10.07 or 10.08 (subject to the conditions set forth in Sections 10.09 and 10.10) of the Indenture.

     The Issuers will determine every six months, commencing February 8, 2006, whether the conditions to the payment of Contingent Cash Interest have been satisfied and, if so, the Issuers shall promptly notify the Holders
of this Security of such determination and shall use their reasonable best efforts to post this information on their web site or, at their option, otherwise publicly disclose this information.

6. Redemption at the Option of the Issuers.

     No sinking fund is provided for the Securities. The Issuers cannot redeem the Securities before February 1, 2011. On February 1, 2011, February 1, 2012 and February 1, 2013 the Issuers may, at their option, redeem the
Securities for cash in whole or in part at the Issue Price of the Securities.

     On or after February 7, 2014, and before February 7, 2021, the Issuers may, at their option, redeem the Securities for cash at any time in whole or from time to time in part at the Issue Price of the Securities.

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     On or after February 7, 2021, the Issuers may redeem the Securities at any time in whole or in part at the Issue Price plus accrued Contingent Additional Principal, if any. The price to be paid for any such redemption
is referred to as the “Redemption Price.” The Securities will be redeemable in integral multiples of $1,000 of Principal Amount at Maturity.

     In addition to the Redemption Price payable with respect to all Securities or portions thereof to be redeemed as of a Redemption Date, the Holders of such Securities (or portions thereof) shall be entitled to receive
accrued and unpaid Contingent Cash Interest, if any, with respect thereto, which Contingent Cash Interest shall be paid in cash on the Redemption Date.”

7. Purchase by the Issuers at the Option of the Holder.

     Subject to the terms and conditions of the Indenture, the Issuers shall become obligated to purchase, at the option of the Holder, the Securities held by such Holder on the following Purchase Dates and at the following
Purchase Prices per $1,000 Principal Amount at Maturity, upon delivery of a Purchase Notice containing the information set forth in the Indenture, at any time from the opening of business on the date that is 20 Business Days prior to such
Purchase Date until the close of business on the third Business Day prior to the Purchase Date and upon delivery of the Securities to the Paying Agent by the Holder as set forth in the Indenture.

		
	
Purchase Date
      

        	
Purchase Price
      

        
	 

        
	
February 7, 2002 through
        	
Issue Price of the Security
        
	
February 7, 2021
        	 

        
	
February 7, 2022 through
        	
Issue Price of the Security plus accrued
        
	
February 7, 2030
        	
Contingent Additional Principal, if any
        

     The Purchase Price shall be paid in cash and shall be paid by the Issuer or a Purchase Party, if a Purchase Party has been so designated by the Issuers, in accordance with the terms of the Indenture.

     At the option of the Holder and subject to the terms and conditions of the Indenture, the Issuers shall become obligated to purchase the Securities held by such Holder 35 Business Days after the occurrence of a Change
in Control of the Company occurring on or prior to February 7, 2006 for a Change in Control Purchase Price equal to $1,000 per Security, which Change in Control Purchase Price shall be paid in cash.

     If at least 90% in aggregate Principal Amount at Maturity of the Securities outstanding immediately prior to the Change in Control are purchased on the Change in Control Purchase Date, the Issuers may, within 90 days
following the Change in Control Purchase Date, at their option, redeem all of the remaining Securities at a Redemption Price per Security equal to the Issue Price of such Security.

     In addition to the Purchase Price or Change in Control Purchase Price, as the case may be, payable with respect to all Securities or portions thereof to be purchased as of the Purchase Date or the Change in Control
Purchase Date, as the case may be, the Holders of such Securities (or portions thereof) shall be entitled to receive accrued and unpaid Contingent Cash Interest, if

11

any, with respect thereto, which Contingent Cash Interest shall be paid in cash promptly following the later of the Purchase Date or the Change in Control Purchase Date, as the case may be and the time of delivery of such Securities to the Paying
Agent pursuant to the Indenture.

     Holders have the right to withdraw any Purchase Notice or Change in Control Purchase Notice, as the case may be, by delivering to the Paying Agent a written notice of withdrawal in accordance with the provisions of the
Indenture.

     If cash (and/or securities if permitted under the Indenture) sufficient to pay the Purchase Price or Change in Control Purchase Price, as the case may be, of, together with any accrued and unpaid Contingent Cash
Interest with respect to, all Securities or portions thereof to be purchased as of the Purchase Date or the Change in Control Purchase Date, as the case may be, is deposited with the Paying Agent on or prior to the Business Day following the
Purchase Date or the Change in Control Purchase Date, as the case may be, Contingent Additional Principal and Contingent Cash Interest, if any, shall cease to accrue on such Securities (or portions thereof) immediately after such Purchase Date or
Change in Control Purchase Date, as the case may be, and the Holder thereof shall have no other rights as such (other than the right to receive the Purchase Price or Change in Control Purchase Price, as the case may be, and accrued and unpaid
Contingent Cash Interest, if any, upon surrender of such Security).

8. Notice of Redemption.

     Notice of redemption will be mailed at least 30 days but not more than 60 days before the Redemption Date to each Holder of Securities to be redeemed at the Holder’s registered address. If money sufficient to pay
the Redemption Price of, and accrued and unpaid Contingent Cash Interest, if any, with respect to, all Securities (or portions thereof) to be redeemed on the Redemption Date is deposited with the Paying Agent prior to or on the Redemption Date,
immediately after such Redemption Date, Contingent Additional Principal and Contingent Cash Interest, if any, shall cease to accrue on such Securities or portions thereof. Securities in denominations larger than $1,000 of Principal Amount at
Maturity may be redeemed in part but only in integral multiples of $1,000 of Principal Amount at Maturity.

9. Conversion.

     Holders may surrender Securities for conversion only if at least one of the conditions described in (a) through (d) below is satisfied. In addition, a Security for which a Holder has delivered a Purchase Notice or a
Change in Control Purchase Notice requiring the Issuers to purchase the Security may be surrendered for conversion only if such notice is withdrawn in accordance with the Indenture.

     The initial Conversion Rate is 9.09 shares per $1,000 Issue Price of a Security, subject to adjustment upon the occurrence of certain events described in the Indenture. A Holder otherwise entitled to a fractional
share will receive cash in an amount equal to the value of such fractional share based on the Sale Price on the trading day immediately preceding the Conversion Date.

     The ability to surrender Securities for conversion will expire at the close of business on February 7, 2031.

12

     (a) Before February 7, 2021, Holders may surrender a Security for conversion during any calendar quarter, commencing after March 31, 2001 if the average Conversion Value of the Security for each of the last 20 trading
days in the preceding calendar quarter is greater than or equal to a specified percentage of the Issue Price; 125% for the quarter ending June 30, 2001, and increasing 5% per quarter for each quarter thereafter up to a maximum of 220% of the Issue
Price of the Security for the quarter ending June 30, 2006. Thereafter, this percentage shall remain at 220%. On or after February 7, 2021 Holders may surrender a Security for conversion during any calendar quarter if the average of the Conversion
Values of the Security for each of the last 20 trading days in the preceding calendar quarter is greater than or equal to 110% of the Principal Amount at Maturity of the Security. If either of the foregoing conditions is satisfied, then the
Securities will become and remain convertible at any time thereafter at the option of the Holder, through maturity.

     On February 7, 2021, if the average of the Conversion Values of the Security for each of the preceding 20 trading days of a Security is greater than or equal to 220% of the Issue Price of the Security, then the Security
will become and remain convertible at any time thereafter at the option of the Holder, through maturity.

     (b) Holders may also surrender a Security for conversion any time after the credit rating assigned to the Securities is reduced to Baa3 or lower by Moody’s Investors Service, Inc. or BBB or lower by Standard &
Poor’s Ratings Services, even if the credit rating assigned has subsequently been changed to a higher rating.

     (c) A Holder may surrender for conversion a Security with respect to which the Issuers have mailed a Redemption Notice at any time prior to the close of business on the second Business Day prior to the Redemption Date,
even if it is not otherwise convertible at that time.

     (d) If the Company elects to

	
    
distribute to all Holders of Common Stock certain rights entitling them to purchase, for a period expiring within 60 days, Common Stock at less than the Sale Price at the time, or

  
	

distribute to all Holders of Common Stock assets, debt securities or certain rights to purchase securities of the Company, which distribution has a per share value as determined by the Company’s Board of Directors exceeding 15% of the closing
price of the Common Stock on the day preceding the declaration date for such distribution,

the Company must notify the Holders of Securities at least 20 days prior to the Ex-Dividend Date for such distribution. Once the Company has given such notice, Holders may surrender their Securities for conversion at any time thereafter until the
earlier of the close of business on the Business Day prior to the Ex-Dividend Date or the Company’s announcement that such distribution will not take place.

     Contingent Cash Interest will not be paid on Securities that are converted; provided, however that Holders of Securities surrendered for conversion during the period from the close

13

of business on any record date for determining an obligation to pay Contingent Cash Interest to the opening of business on the date on which such Contingent Cash Interest is payable, shall be entitled to receive such Contingent Cash Interest on the
date on which such Contingent Cash Interest is payable. Except Securities with respect to which the Issuers have mailed a Notice of Redemption, Securities surrendered for conversion during such periods must be accompanied by payment of an amount
equal to the Contingent Cash Interest with respect thereto that the registered Holder is to receive.

     The Conversion Rate will not be adjusted for accrued Contingent Additional Principal, if any, or Contingent Cash Interest, if any. As soon as practicable following the Conversion Date, the Issuers will deliver through
the Conversion Agent, the Cash Amount, together with cash or a certificate for the number of full shares of Common Stock into which the Premium of any Security is converted and any cash payment for fractional shares. Delivery to the Holder of the
Cash Amount, together with such cash or shares of Common Stock deliverable in connection with the Premium, will be deemed to satisfy the Issuers’ obligation to pay the Principal Amount at Maturity of and any accrued Contingent Principal Amount
on the Security.

     Subject to the provisions of this paragraph 9 and notwithstanding the fact that any other condition to conversion has not been satisfied, in the event the Company is a party to a consolidation, merger or binding share
exchange pursuant to which the Common Stock would be converted into cash, securities or other property as set forth in Section 10.14 of the Indenture, the Securities may be surrendered for conversion at any time from and after the date which is 15
days prior to the date the Company announces the anticipated effective time until 15 days after the actual effective date of such transaction, and at the effective time of such transaction the right to convert a Security into Common Stock will be
deemed to have changed into a right to convert it into the kind and amount of cash, securities or other property which the Holder would have received if the Holder had converted its Security immediately prior to the transaction. If the transaction
also constitutes a Change in Control, the Holder will be able to require the Company to purchase all or a portion of its Securities as described under paragraph 7 herein.

     To convert a Security, a Holder must (1) complete and manually sign the conversion notice below (or complete and manually sign a facsimile of such notice) and deliver such notice to the Conversion Agent, (2) surrender
the Security to the Conversion Agent, (3) furnish appropriate endorsements and transfer documents if required by the Conversion Agent, the Issuers or the Trustee and (4) pay any transfer or similar tax, if required. The “Conversion Date”
as used herein refers to the date on which all of the foregoing requirements have been satisfied.

     A Holder may convert a portion of a Security if the Issue Price of such portion is $1,000 or an integral multiple of $1,000. No payment or adjustment will be made for dividends on the Common Stock except as
provided in the Indenture. On conversion of a Security, that portion of accrued Contingent Additional Principal attributable to the period from the Issue Date through the Conversion Date and (except as provided above) accrued Contingent Cash
Interest with respect to the converted Security shall not be cancelled, extinguished or forfeited, but rather shall be deemed to be paid in full to the Holder thereof through the delivery of the Cash Amount, together with cash or Common Stock in
respect of the Premium, in exchange for the Security being converted pursuant to the terms hereof; and the fair market value of such cash or Common Stock in respect of the Premium, shall be treated as delivered to the extent thereof, in
exchange

14

for Contingent Additional Principal accrued through the Conversion Date and accrued Contingent Cash Interest, and the Cash Amount shall be treated as delivered in exchange for the Issue Price of the Security being converted pursuant to the
provisions hereof.

     The Conversion Rate will be adjusted as provided in Article 10 of the Indenture, except, during the period from and including April 30, 2009 through January 31, 2012, no adjustment shall be made pursuant to Section
10.08(d) of the Indenture. However, no adjustment need be made if Securityholders may participate in the transaction or in certain other cases. The Company from time to time may voluntarily increase the Conversion Rate.

10. Conversion Arrangement on Call for Redemption.

     Any Securities called for redemption, unless surrendered for conversion before the close of business on the Redemption Date, shall be deemed to be purchased from the Holders of such Securities at an amount not less than
the Redemption Price, by one or more investment bankers or other purchasers who may agree with the Issuers to purchase such Securities from the Holders, to convert them into Common Stock of the Company and to make payment for such Securities to the
Trustee in trust for such Holders.

11. Defaulted Interest.

     Except as otherwise specified with respect to the Securities, any Defaulted Interest on any Security shall forthwith cease to be payable to the registered Holder thereof on the relevant accrual date, by virtue of having
been such Holder, and such Defaulted Interest may be paid, jointly and severally, by the Issuers as provided in Section 11.02 of the Indenture.

12. Denominations; Transfer; Exchange.

     The Securities are in fully registered form, without coupons, in denominations of $1,000 of Principal Amount at Maturity and integral multiples of $1,000. A Holder may transfer or exchange Securities in
accordance with the Indenture. The Registrar may require a Holder, among other things, to furnish appropriate endorsements and transfer documents and to pay any taxes and fees required by law or permitted by the Indenture. The Registrar need not
transfer or exchange any Securities selected for redemption (except, in the case of a Security to be redeemed in part, the portion of the Security not to be redeemed) or any Securities in respect of which a Purchase Notice or Change in Control
Purchase Notice has been given and not withdrawn (except, in the case of a Security to be purchased in part, the portion of the Security not to be purchased) or any Securities for a period of 15 days before the mailing of a Notice of Redemption of
Securities to be redeemed.

13. Persons Deemed Owners.

     The registered Holder of this Security may be treated as the owner of this Security for all purposes.

15

14. Unclaimed Money or Securities.

     The Trustee and the Paying Agent shall return pro rata to the Issuers upon written request any money or securities held by them for the payment of any amount with respect to the Securities that remains unclaimed for two
years, subject to applicable unclaimed property laws. After return to the Issuers, Holders entitled to the money or securities must look to the Issuers for payment as general creditors unless an applicable abandoned property law designates another
person.

15. Amendment; Waiver.

     Subject to certain exceptions set forth in the Indenture, (i) the Indenture or the Securities may be amended with the written consent of the Holders of at least a majority in aggregate Principal Amount at Maturity of
the Securities at the time outstanding and (ii) certain Defaults may be waived with the written consent of the Holders of a majority in aggregate Principal Amount at Maturity of the Securities at the time outstanding. Subject to certain exceptions
set forth in the Indenture, without the consent of any Securityholder, the Issuers and the Trustee may amend the Indenture or the Securities to cure any ambiguity, omission, defect or inconsistency, or to comply with Article 5 or Section 10.14 of
the Indenture, to secure the Issuers’ obligations under this Security or to add to the Issuers’ covenants for the benefit of the Securityholders or to surrender any right or power conferred, or to comply with any requirement of the SEC in
connection with the qualification of the Indenture under the TIA, or as necessary in connection with the registration of the Securities under the Securities Act.

16. Defaults and Remedies.

     Under the Indenture, Events of Default include (i) default in the payment of the Principal Amount at Maturity, Contingent Additional Principal, Redemption Price, Purchase Price or Change in Control Purchase Price on any
Security when the same becomes due and payable at its Stated Maturity, upon redemption, upon acceleration, when due for purchase by the Issuers or otherwise; (ii) default in payment of any Contingent Cash Interest upon any Security, and such default
shall continue for 30 days; (iii) failure by the Issuers to comply with other agreements in the Indenture or the Securities, subject to notice and lapse of time; (iv) (a) failure of the Issuers to make any payment by the end of any applicable grace
period after maturity of Indebtedness in an amount (taken together with amounts in (b) below) in excess of $100,000,000, and continuance of such failure or (b) the acceleration of Indebtedness in an amount (taken together with amounts in (a)
above) in excess of $100,000,000 because of a default with respect to such Indebtedness without such Indebtedness having been discharged or such acceleration having been cured, waived, rescinded or annulled in case of (a) and (b) above, for a
period of 30 days after written notice to the Issuers by the Trustee or to the Issuers and the Trustee by the Holders of not less than 25% in aggregate Principal Amount at Maturity of the Securities then outstanding; however if any such failure or
acceleration referred to in (a) or (b) above shall cease or be cured, waived, rescinded or annulled, then the Event of Default by reason thereof shall be deemed not to have occurred, or (v) certain events of bankruptcy or insolvency affecting the
Issuers or their Significant Subsidiaries. If an Event of Default shall have occurred and be continuing, either the Trustee, or the Holders of not less than 25% in aggregate Principal Amount at Maturity of the Securities then outstanding may declare
the Issue Price, plus any accrued and

16

unpaid Contingent Cash Interest and Contingent Additional Principal through the date of such declaration, if any, to be immediately due and payable. In case of certain events of bankruptcy or insolvency of the Issuers, the Issue Price plus accrued
and unpaid Contingent Cash Interest and Contingent Additional Principal, if any, shall automatically become immediately due and payable.

     Securityholders may not enforce the Indenture or the Securities except as provided in the Indenture. The Trustee may refuse to enforce the Indenture or the Securities unless it receives indemnity or security reasonably
satisfactory to it. Subject to certain limitations, Holders of a majority in aggregate Principal Amount at Maturity of the Securities at the time outstanding may direct the Trustee in its exercise of any trust or power. The Trustee may withhold from
Securityholders notice of any continuing Default (except a Default in payment of amounts specified in clause (i) or (ii) above) if it determines that withholding notice is in their interests.

17. Trustee Dealings with the Issuers.

     Subject to certain limitations imposed by the TIA, the Trustee under the Indenture, in its individual or any other capacity, may become the owner or pledgee of Securities and may otherwise deal with and collect
obligations owed to it by the Issuers or their Affiliates and may otherwise deal with the Issuers or their Affiliates with the same rights it would have if it were not Trustee.

18. Authentication.

     This Security shall not be valid until an authorized signatory of the Trustee manually signs the Trustee’s Certificate of Authentication on the other side of this Security.

19. Abbreviations.

     Customary abbreviations may be used in the name of a Securityholder or an assignee, such as TEN COM (=tenants in common), TEN ENT (=tenants by the entireties), JT TEN (=joint tenants with right of survivorship and not
as tenants in common), CUST (=custodian), and U/G/M/A (=Uniform Gift to Minors Act).

20. GOVERNING LAW.

     THE LAW OF THE STATE OF NEW YORK SHALL GOVERN THE INDENTURE AND THIS SECURITY.

----------------------

     The Issuers will furnish to any Securityholder upon written request and without charge a copy of the Indenture. Requests may be made to:

  
Omnicom Group Inc.

437 Madison Avenue, 9th Floor

New York, New York 10022

Attention: General Counsel

17

			
	
ASSIGNMENT FORM
        	    	
CONVERSION NOTICE
        
	 

        
	
To assign this Security, fill in the form below:
        	 	
To convert this Security into Common Stock of
        
	 

        	 	
the Company, check the box:
        
	
I or we assign and transfer this Security to
        	 	 

        
	 

        
	 

        	 	
o 
	
      

        	 	 
        
	 

        	 	
To convert only part of this Security, state the
        
	
      

        	 	Issue Price to be converted (which must be

      $1,000 or any integral multiple thereof);

        
	
(Insert assignee’s soc. sec. or tax ID no.)
        	 	 
        
	 

        
	 	 	$__________________________
	
      

        	 	 
	 

        
	 

        	 	
If you want the stock certificate made out in

      another person’s name, fill in the form below:
        
	
      

        	 	 
        
	 

        
	 

        	 	 
        
	
      

        	 	 
        
	
(Print or type assignee’s name, address and
zip code)       	 	
      

        
	 
        	 	 

        
	 

        	 	
      

        
	 

        
	
and irrevocably appoint
        	 	
      (Insert other person’s soc. sec. or tax ID no.)
        

    
	 

        
	
 _____________________agent to transfer this
        	 	 

        
	Security on the books of the Issuers. The agent

        	 	
      

        
	may substitute another to act for him.

        	 	 

        
	 

        	 	
      

    
	 

        	 	 
	 

        	 	
      

    
	 
	 	 

        
	 
        	 	
      

        
	 

        	 	
(Print or type other person’s name, address and
        
	 

        	 	
zip code)
        

		
	
      

    
	 	 	 	 
	
Date:
        	 	
Your Signature:
        	 
	 	
      

    	 	
      

    
	 	 	 	 
	
      

    
	
      (Sign exactly as your name appears on the other side of this Security)”

    

     3. Separability Clause. In case any provision in this Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way
be affected or impaired thereby.

     4. Modification, Amendment and Waiver. The provisions of this Supplemental Indenture may not be amended, supplemented, modified or waived except by the execution of a Supplemental Indenture executed by the
Issuers, the Trustee and, to the extent such amendment, supplement or waiver limits or impairs the rights of any Securityholder, by such Securityholder. Any such amendment shall comply with Article 9 of the Indenture. Until an amendment, waiver

18

or other action by Securityholders becomes effective, a consent thereto by a Securityholder of a Security hereunder is a continuing consent by the Securityholder and every subsequent Securityholder of that Security or portion of the Security that
evidences the same obligation as the consenting Securityholder’s Security, even if notation of the consent, waiver or action is not made on the Security. However, any such Securityholder or subsequent Securityholder may revoke the consent,
waiver or action as to such Securityholder’s Security or portion of the Security if the Trustee receives the notice of revocation before the date the amendment, waiver or action becomes effective. After an amendment, waiver or action becomes
effective, it shall bind every Securityholder.

     5. Ratification of Indenture; Supplemental Indenture Part of Indenture. Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions
thereof shall remain in full force and effect. In the event of a conflict between the terms and conditions of the Indenture and the terms and conditions of this Supplemental Indenture, then the terms and conditions of this Supplemental Indenture
shall prevail. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every holder of Securities heretofore or hereafter authenticated and delivered shall be bound hereby.

     6. Trust Indenture Acts Controls. If any provision of this Supplemental Indenture limits, qualifies or conflicts with any provision of the Trust Indenture Act of 1939, as amended (“TIA”), that is
required under the TIA to be part of and govern any provision of this Supplemental Indenture, the provision of the TIA shall control. If any provision of this Supplemental Indenture modifies or excludes any provisions of the TIA that may be so
modified or excluded, the provisions of the TIA shall be deemed to apply to the Indenture as so modified or to be excluded by this Supplemental Indenture, as the case may be.

     7. Governing Law. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, AS APPLIED TO CONTRACTS MADE AND PERFORMED WITHIN THE STATE OF NEW YORK WITHOUT GIVING EFFECT TO THE PRINCIPLES OF CONFLICT OF LAWS.

     8. Trustee Makes No Representation. The statements herein are deemed to be those of the Company, OCI or OFI, as applicable, and not of the Trustee. The Trustee makes no representation as to the validity or
sufficiency of this Supplemental Indenture.

     9. Multiple Originals. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. One signed copy is
enough to prove this Supplemental Indenture.

     10. Effect of Headings. The Section headings herein are for convenience only and shall not effect the construction thereof.

     11. Notices. Any request, demand, authorization, notice, waiver, consent or communication to any of the parties shall be made as set forth in Section 12.02 of the Indenture, as said Section may be amended
hereby.

19

     12. Successors. All agreements of each of the Company, OCI and OFI in respect of this Supplemental Indenture shall bind its successor.

[Signature page follows]

20

     IN WITNESS WHEREOF, this Supplemental Indenture has been duly executed by the Company, OCI, OFI and the Trustee as of the date first written above.

				
	 	OMNICOM GROUP INC.

        
	.

        	 	 	 
	 	 	 
	 	
By:
        	
/s/ Randall J. Weisenburger
        
	 	 
        	
      

        
	 	 	Name:	   Randall J. Weisenburger

	 	 

        	
Title:
        	
  Executive Vice President
        
	 	 

        	 

        	
  and Chief Financial Officer
        
	 

        	 	 	 
	 
        	OMNICOM CAPITAL INC.

	 

        	 	 	 
	 	 	 
	 	
By:
        	
 /s/ Michael J. O’Brien
        
	 	 
        	
      

        
	 	 	Name:	 Michael J. O’Brien
	 	 

        	
Title:
        	
  Secretary
        
	 

        	 	 	 
	 
        	OMNICOM FINANCE INC.

	 

        	 	 	 
	 	 	 
	 	
By:
        	/s/ Randall J. Weisenburger

        
	 	 
        	

      

        
	 	 	Name:	 Randall J. Weisenburger
        
	 	 

        	
Title:
        	
  Chief Executive Officer
        
	 
        	 	 	 
	 
        	DEUTSCHE BANK TRUST COMPANY
 

      AMERICAS, as Trustee

	 

        	 	 	 
	 	 	 
	 	
By:
        	
/s/ Carol Ng
        
	 	 
        	
      

        
	 	 	Name:	 Carol Ng

	 	 

        	
Title:
        	
 Vice President
        
	 

        	 	 	 
	 	
By:
        	
 /s/ Wanda Camacho
        
	 	 
        	
      

        
	 	 	Name:	 Wanda Camacho

	 	 

        	
Title:
        	
  Vice PresidentExhibit 10.9

OMNICOM GROUP INC.

  SENIOR MANAGEMENT INCENTIVE PLAN

As Amended and Restated on December 4, 2008

     Section 1. Purposes. The purpose of the Omnicom Group Inc. Senior Management Incentive Plan (the “Plan”) is to attract, retain and motivate selected employees of Omnicom Group Inc. (the
“Company”) and its subsidiaries and affiliates who are executive officers of the Company (and any successor thereto) in order to promote the Company’s long-term growth and profitability. It is also intended that all Bonuses
(as defined in Section 5(a)) payable under the Plan be considered “performance-based compensation” within the meaning of Section 162(m)(4)(C) of the Internal Revenue Code of 1986, as amended (the “Code”), and the regulations
thereunder, and the Plan shall be interpreted accordingly.

     Section 2. Administration.

     (a) Subject to Section 2(d), the Plan shall be administered by a committee (the “Committee”) appointed by the Board of Directors of the Company (the “Board”), whose
members shall serve at the pleasure of the Board. The Committee at all times shall be composed of at least two directors of the Company, each of whom is an “outside director” within the meaning of Section 162(m) of the Code and Treasury Regulation
Section 1.162 -27(e)(3) and a “non-employee director” within the meaning of Rule 16b-3 promulgated under the Securities Exchange Act of 1934, as amended. Unless otherwise determined by the Board, the Committee shall be the Compensation Committee of
the Board.

     (b) The Committee shall have complete control over the administration of the Plan, and shall have the authority in its sole and absolute discretion to: (i) exercise all of the powers granted to it under the Plan; (ii)
construe, interpret and implement the Plan; (iii) prescribe, amend and rescind rules and regulations relating to the Plan, including rules and regulations governing its own operations; (iv) make all determinations necessary or advisable in
administering the Plan (including, without limitation, calculating the size of the Bonus payable to each Participant (as defined in Section 4(a))); (v) correct any defect, supply any omission and reconcile any inconsistency in the Plan; and (vi)
amend the Plan to reflect changes in or interpretations of applicable law, rules or regulations.

     (c) The determination of the Committee on all matters relating to the Plan and any amounts payable thereunder shall be final, binding and conclusive on all parties.

     (d) Notwithstanding anything to the contrary contained herein, the Committee may allocate among its members and may delegate some or all of its authority or administrative responsibility to such individual or
individuals who are not members of the Committee as it shall deem necessary or appropriate; provided, however, the Committee may not delegate any of its authority or administrative responsibility hereunder (and no such attempted delegation shall be
effective) if such delegation would cause any Bonus payable under the Plan not to be considered performance-based compensation within the meaning of Section 162(m)(4)(C) of the Code.

     (e) No member of the Board or the Committee or any employee of the Company or any of its subsidiaries or affiliates (each such person a “Covered Person”) shall have any liability to any person
(including, without limitation, any Participant) for any action taken or omitted to be taken or any determination made in good faith with respect to the Plan or any Bonus. Each Covered Person shall be indemnified and held harmless by the Company
against and from any loss, cost, liability or expense (including attorneys’ fees) that may be imposed upon or incurred by such Covered Person in connection with or resulting from any action, suit or proceeding to which such Covered Person may be a
party or in which such Covered Person may be involved by reason of any action taken or omitted to be taken under the Plan and against and from any and all amounts paid by such Covered Person, with the Company’s approval, in settlement thereof, or
paid by such Covered Person in satisfaction of any judgment in any such action, suit or proceeding against such Covered Person, provided that the Company shall have the right, at its own expense, to assume and defend any such action, suit or
proceeding and, once the Company gives notice of its intent to assume the defense, the Company shall have sole control over such defense with counsel of the Company’s choice. The foregoing right of indemnification shall not be available to a Covered
Person to the extent that a court of competent jurisdiction in a final judgment or other final adjudication, in either case, not subject to further appeal, determines that the acts or omissions of such Covered Person giving rise to the
indemnification claim resulted from such Covered Person’s bad faith, fraud or willful criminal act or omission. The foregoing right of indemnification shall not be exclusive of any other rights of indemnification to which Covered Persons may be
entitled under the Company’s Restated Certificate of Incorporation or Amended and Restated Bylaws, as a matter of law, or otherwise, or any other power that the Company may have to indemnify such persons or hold them harmless.

     Section 3. Performance Period. The Plan shall operate for successive periods (each a “Performance Period”). The first Performance Period shall commence on April 1, 2005 and shall terminate
on December 31, 2005. Thereafter, each Performance Period shall be one full fiscal year and/or portions of fiscal years of the Company, as determined by the Committee.

     Section 4. Participation.

     (a) Prior to the 90th day after the beginning of a Performance Period, or otherwise in a manner not inconsistent with Treasury Regulation Section 1.162 -27(e)(2) (the “Participation Date”), the
Committee shall designate those individuals who shall participate in the Plan for the Performance Period (the “Participants”).

     (b) Except as provided below, the Committee shall have the authority at any time (i) during the Performance Period to remove Participants from the Plan for that Performance Period and (ii) prior to the Participation
Date (or later in a manner consistent with the requirements of Section 162(m) of the Code) to add Participants to the Plan for a particular Performance Period.

2

     Section 5. Bonus Amounts.

     (a) Each Participant shall be paid a bonus amount equal to 2% of the Company’s “Earnings”  (as defined in Section 5(c)) with respect to each Performance Period. Notwithstanding anything to the contrary in this Plan, the
Committee may, in its sole discretion, reduce (but not increase) the bonus amount for any Participant for a particular Performance Period at any time prior to the payment of bonuses to Participants pursuant to Section 6 (a Participant’s bonus amount
for each Performance Period, as so reduced, the “Bonus”).

     (b) If a Participant’s employment with the Company terminates for any reason before the end of a Performance Period or before the date that the Bonus is paid pursuant to Section 6, the Committee shall have the
discretion to determine whether (i) such Participant shall be entitled to any Bonus at all, (ii) such Participant’s Bonus shall be reduced on a pro-rata basis to reflect the portion of such Performance Period the Participant was employed by the
Company or (iii) to make such other arrangements as the Committee deems appropriate in connection with the termination of such Participant’s employment.

     (c) For purposes of this Section 5, “Earnings” means the Company’s operating income before taxes, incentive compensation and extraordinary gains or losses as reported in its audited consolidated
financial statements for the relevant Performance Period, adjusted to eliminate, with respect to such Performance Period: (i) losses related to the impairment of goodwill and other intangible assets; (ii) restructuring expenses; (iii) gains or
losses on disposal of assets or segments of the previously separate companies of a business combination within two years of the date of such combination; (iv) gains or losses that are the direct result of a major casualty or natural disaster; (v)
losses resulting from any newly-enacted law, regulation or judicial order; and (vi) the cumulative effect of accounting changes. The above adjustments to Earnings shall be computed in accordance with GAAP. Following the completion of each
Performance Period, the Committee shall certify in writing the Company’s Earnings for such Performance Period.

     Section 6. Payment of Bonus Amount; Voluntary Deferral.

     (a) Each Participant’s Bonus, if any, shall be payable by such Participant’s Participating Employer (as defined in Section 7(j)), or in the case of a Participant employed by more than one Participating Employer, by each
such employer as determined by the Committee. The Bonus, if any, shall be payable in the discretion of the Committee in cash and/or an equity-based award of equivalent value under the Company’s 2007 Incentive Award Plan (the
“Incentive Plan”), including an award of Options (as defined in the Incentive Plan); provided that in determining the number of Company restricted stock units payable in cash or shares of the Company’s common stock,
restricted shares of the Company’s common stock or unrestricted shares of the Company’s common stock that is equivalent to a dollar amount, that dollar amount shall be divided by the closing price of the Company’s common stock on the date of grant
by the Committee (with fractional shares being rounded to the nearest whole share). The cash portion of the Bonus, if any, shall be paid and the equity-based portion of the

3

Bonus, if any, shall be granted at such time as bonuses are generally paid by the Participating Employer(s) for the relevant fiscal year. Any equity-based award shall be subject to such terms and conditions (including vesting requirements) as the
Committee and the administrative committee of the plan under which such equity-based award is granted may determine.

     (b) Each Participant may elect to defer receipt, in accordance with the terms and conditions of any applicable deferred compensation plan of the Company in which such Participant is eligible to participate, of part or
all of any Bonus paid under this Plan, but only to the extent permissible under Section 409A of the Code and the regulations promulgated thereunder.

     Section 7. General Provisions.

     (a) Amendment, Termination, etc. The Board reserves the right at any time and from time to time to modify, alter, amend, suspend, discontinue or terminate the Plan, including in any manner that adversely affects
the rights of Participants. No Participant shall have any rights to payment of any amounts under this Plan unless and until the Committee determines the amount of such Participant’s Bonus, if any, that such Bonus shall be paid and the method and
timing of its payment. No amendment that would require stockholder approval in order for Bonuses paid pursuant to the Plan to constitute performance-based compensation within the meaning of Section 162(m)(4)(C) of the Code shall be effective without
the approval of the stockholders of the Company as required by Section 162(m) of the Code and the regulations thereunder.

     (b) Nonassignability. No rights of any Participant (or of any beneficiary pursuant to this Section 7(b)) under the Plan may be sold, exchanged, transferred, assigned, pledged, hypothecated or otherwise disposed
of (including through the use of any cash-settled instrument), either voluntarily or involuntarily by operation of law, other than by will or by the laws of descent and distribution. Any sale, exchange, transfer, assignment, pledge, hypothecation or
other disposition in violation of the provisions of this Section 7(b) shall be void. In the event of a Participant’s death, any amounts payable under the Plan shall be paid in accordance with the Plan to a Participant’s estate. A Participant’s
estate shall have no rights under the Plan to receive such amounts, if any, as may be payable under this Section 7(b), and all of the terms of this Plan shall be binding upon any such Participant’s estate.

     (c) Plan Creates No Employment Rights. Nothing in the Plan shall confer upon any Participant the right to continue in the employ of the Company, or any subsidiary thereof, for the Performance Period or thereafter
or affect any right which the Company may have to terminate such employment.

     (d) Arbitration. Any dispute, controversy or claim between the Company, or any subsidiary thereof, and any Participant arising out of or relating to or concerning the provisions of the Plan shall be finally
settled by arbitration in New York City before, and in accordance with, the rules then obtaining of the American Arbitration Association (the “AAA”) in accordance with the commercial arbitration rules of the AAA. Prior to
arbitration,

4

all disputes, controversies or claims maintained by any Participant must first be submitted to the Committee in accordance with claim procedures determined by the Committee in its sole discretion.

     (e) Governing Law. ALL RIGHTS AND OBLIGATIONS UNDER THE PLAN SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF LAWS.

     (f) Tax Withholding. In connection with any payments to a Participant or other event under the Plan that gives rise to a federal, state, local or other tax withholding obligation relating to the Plan (including,
without limitation, FICA tax), (i) the Company and any Participating Employer may deduct or withhold (or cause to be deducted or withheld) from any payment or distribution to such Participant whether or not pursuant to the Plan or (ii) the Committee
shall be entitled to require that such Participant remit cash (through payroll deduction or otherwise), in each case in an amount sufficient in the opinion of the Company to satisfy such withholding obligation.

     (g) Right of Offset. The Company and any Participating Employer shall have the right to offset against a Participant’s Bonus, any outstanding amounts (including, without limitation, travel and entertainment
or advance account balances, loans or amounts repayable to it pursuant to tax equalization, housing, automobile or other employee programs) such Participant then owes to it.

     (h) Severability; Entire Agreement. If any of the provisions of this Plan is finally held to be invalid, illegal or unenforceable (whether in whole or in part), such provision shall be deemed modified to the
extent, but only to the extent, of such invalidity, illegality or unenforceability and the remaining provisions shall not be affected thereby. This Plan shall not supersede any other agreement, written or oral, pertaining to the matters covered
herein, except to the extent of any inconsistency between this Plan and any prior agreement, in which case this Plan shall prevail.

     (i) No Third Party Beneficiaries. The Plan shall not confer on any person other than the Company and any Participant any rights or remedies hereunder.

     (j) Participating Employers. Each subsidiary or affiliate of the Company that employs a Participant shall adopt this Plan by executing Schedule A (a “Participating Employer”). Except for
purposes of determining the amount of each Participant’s Bonus, this Plan shall be treated as a separate plan maintained by each Participating Employer and the obligation, if any, to pay a Bonus to a Participant shall be the sole liability of the
Participating Employer(s) by which such Participant is employed, and neither the Company nor any other Participating Employer shall have any liability with respect to such amounts.

     (k) Successors and Assigns. The terms of this Plan shall be binding upon and inure to the benefit of the Company, each Participating Employer and their successors and assigns and each permitted successor or
assign of each Participant as provided in Section 7(b).

5

     (l) Plan Headings. The headings in this Plan are for the purpose of convenience only and are not intended to define or limit the construction of the provisions hereof.

     (m) Construction. In the construction of this Plan, the singular shall include the plural, and vice versa, in all cases where such meanings would be appropriate. Nothing in this Plan shall preclude or limit the
ability of the Company, its subsidiaries and affiliates to pay any compensation to a Participant under any other plan or compensatory arrangement whether or not in effect on the date this Plan was adopted.

     (n) Plan Subject to Stockholder Approval. The Plan is adopted subject to the approval of the stockholders of the Company at the Company’s 2005 Annual Meeting in accordance with Section 162(m)(4)(C) of the Code
and Treasury Regulation Section 1.162-27(e)(4), and no Bonus shall be payable hereunder absent such stockholder approval.

[The remainder of this page is left blank intentionally.]

6

     IN WITNESS WHEREOF, and as evidence of the adoption of this Plan effective as of December 4, 2008, by the Company, it has caused the same to be signed by its duly authorized officer this 5th day of December, 2008.

			
	  	OMNICOM GROUP INC. 
	 	 	 
	 	By: 	/s/ Michael J. O’Brien
      

       
	 	Name: 	Michael J. O’Brien 
	 	Title: 	Senior Vice President, General Counsel and 
	 	  	Secretary 

Schedule A to the Omnicom Group Inc. Senior Management Incentive Plan

     As evidenced by the duly authorized signature below, as of May 24, 2005, the undersigned entity hereby adopts and elects to participate in the Omnicom Group Inc. Senior Management Incentive Plan, as such Plan may be amended from time to time, and appoints Omnicom Group Inc. as its agent to do all things necessary to effect such participation.

		
	TBWA Worldwide Inc.
	  	
	By: 	_____________________________
	Name: 	
	Title: 	

Schedule A to the Omnicom Group Inc. Senior Management Incentive Plan

     As evidenced by the duly authorized signature below, as of May 24, 2005, the undersigned entity hereby adopts and elects to participate in the Omnicom Group Inc. Senior Management Incentive Plan, as such Plan may be
amended from time to time, and appoints Omnicom Group Inc. as its agent to do all things necessary to effect such participation.

		
	
DDB Worldwide Inc.
        
	  	 

        
	By: 	_____________________________
	Name: 	
	Title: 	

Schedule A to the Omnicom Group Inc. Senior Management Incentive Plan

     As evidenced by the duly authorized signature below, as of May 24, 2005, the undersigned entity hereby adopts and elects to participate in the Omnicom Group Inc. Senior Management Incentive Plan, as such Plan may be
amended from time to time, and appoints Omnicom Group Inc. as its agent to do all things necessary to effect such participation.

		
	
BBDO Worldwide Inc.
        
	 	  

        
	By: 	_____________________________
	Name: 	
	Title: 	

Schedule A to the Omnicom Group Inc. Senior Management Incentive Plan

     As evidenced by the duly authorized signature below, as of May 24, 2005, the undersigned entity hereby adopts and elects to participate in the Omnicom Group Inc. Senior Management Incentive Plan, as such Plan may be
amended from time to time, and appoints Omnicom Group Inc. as its agent to do all things necessary to effect such participation.

		
	
Omnicom Management Inc.
        
	  

        	 
	By: 	_____________________________
	Name: 	
	Title:

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