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

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

_________________________

Commission File Number: 1-10551

OMNICOM GROUP INC.

(Exact name of registrant as specified in its charter)

New York	13-1514814
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
280 Park Avenue, New York, NY	10017
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (212) 415-3600

Not Applicable

(Former name, former address and former fiscal year, if changed since last report)

____________________________________________________________

Securities Registered Pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbols	Name of each exchange on which registered
Common Stock, $0.15 Par Value	OMC	New York Stock Exchange
0.800% Senior Notes due 2027	OMC/27	New York Stock Exchange
1.400% Senior Notes due 2031	OMC/31	New York Stock Exchange

____________________________________________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☑ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☑ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☑	Accelerated filer	☐	Non-accelerated filer	☐
Smaller reporting company	☐			Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☑

_________________________

As of October 13, 2021, there were 212,558,522 shares of Omnicom Group Inc. Common Stock outstanding.

OMNICOM GROUP INC.

QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2021

TABLE OF CONTENTS

PART I.	FINANCIAL INFORMATION	Page
Item 1.	Financial Statements
	Consolidated Balance Sheets - September 30, 2021 and December 31, 2020	1
	Consolidated Statements of Income - Three and Nine Months Ended September 30, 2021 and 2020	2
	Consolidated Statements of Comprehensive Income - Three and Nine Months Ended      September 30, 2021 and 2020	3
	Consolidated Statements of Equity - Three and Nine Months Ended September 30, 2021 and 2020	4
	Consolidated Statements of Cash Flows - Nine Months Ended September 30, 2021 and 2020	5
	Notes to Consolidated Financial Statements	6
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	14
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	32
Item 4.	Controls and Procedures	32
PART II.	OTHER INFORMATION
Item 1.	Legal Proceedings	33
Item 1A.	Risk Factors	33
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	33
Item 6.	Exhibits	33
SIGNATURES		33

FORWARD-LOOKING STATEMENTS

Certain statements in this Quarterly Report on Form 10-Q constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial condition, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “should,” “would,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible”, “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results to differ materially from those in the forward-looking statements include: the impact of the COVID-19 pandemic, international, national or local economic conditions that could adversely affect the Company or its clients; losses on media purchases and production costs incurred on behalf of clients; reductions in client spending, a slowdown in client payments and a deterioration in the credit markets; the ability to attract new clients and retain existing clients in the manner anticipated; changes in client advertising, marketing and corporate communications requirements; failure to manage potential conflicts of interest between or among clients; unanticipated changes relating to competitive factors in the advertising, marketing and corporate communications industries; the ability to hire and retain key personnel; currency exchange rate fluctuations; reliance on information technology systems; changes in legislation or governmental regulations affecting the Company or its clients; risks associated with assumptions the Company makes in connection with its critical accounting estimates and legal proceedings; and the Company’s international operations, which are subject to the risks of currency repatriation restrictions, social or political conditions and regulatory actions. The foregoing list of factors is not exhaustive. You should carefully consider the foregoing factors and the other risks and uncertainties that may affect the Company’s business, including those described in Item 1A, “Risk Factors” and Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2020 and in Item 2, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in this report. Except as required under applicable law, the Company does not assume any obligation to update these forward-looking statements.

i

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

OMNICOM GROUP INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(In millions)

	September 30, 2021		December 31, 2020
	(Unaudited)
ASSETS
Current Assets:
Cash and cash equivalents	$	4,431.2	$	5,600.5
Accounts receivable, net of allowance for doubtful accounts of $20.8 and $30.4	7,186.2		7,813.4
Work in process	1,249.6		1,101.2
Other current assets	896.0		1,075.0
Total Current Assets	13,763.0		15,590.1
Property and Equipment at cost, less accumulated depreciation of $1,169.1 and $1,156.7	542.8		585.2
Operating Lease Right-Of-Use Assets	1,100.1		1,223.4
Equity Method Investments	77.8		85.3
Goodwill	9,601.5		9,609.7
Intangible Assets, net of accumulated amortization of $844.4 and $817.2	278.1		298.5
Other Assets	217.5		255.0
TOTAL ASSETS	$	25,580.8	$	27,647.2
LIABILITIES AND EQUITY
Current Liabilities:
Accounts payable	$	9,953.8	$	11,513.0
Customer advances	1,325.8		1,361.3
Short-term debt	10.2		3.9
Taxes payable	214.9		244.5
Other current liabilities	2,320.5		2,402.4
Total Current Liabilities	13,825.2		15,525.1
Long-Term Liabilities	992.8		970.7
Long-Term Liability - Operating Leases	991.0		1,114.0
Long-Term Debt	5,271.7		5,807.3
Deferred Tax Liabilities	468.3		443.5
Commitments and Contingent Liabilities (Note 12)
Temporary Equity - Redeemable Noncontrolling Interests	280.0		209.7
Equity:
Shareholders’ Equity:
Preferred stock	—		—
Common stock	44.6		44.6
Additional paid-in capital	708.6		747.8
Retained earnings	8,730.0		8,190.6
Accumulated other comprehensive income (loss)	(1,307.9)		(1,213.8)
Treasury stock, at cost	(4,896.3)		(4,684.8)
Total Shareholders’ Equity	3,279.0		3,084.4
Noncontrolling interests	472.8		492.5
Total Equity	3,751.8		3,576.9
TOTAL LIABILITIES AND EQUITY	$	25,580.8	$	27,647.2

The accompanying notes to the consolidated financial statements are an integral part of these statements.

1

OMNICOM GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

(In millions, except per share amounts)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Revenue	$	3,435.0	$	3,206.5	$	10,433.6	$	9,414.1
Operating Expenses:
Salary and service costs	2,461.8		2,287.1		7,609.9		6,851.5
Occupancy and other costs	285.5		273.1		871.0		872.6
Gain on disposition of subsidiary	—		—		(50.5)		—
COVID-19 repositioning costs	—		—		—		277.9
Cost of services	2,747.3		2,560.2		8,430.4		8,002.0
Selling, general and administrative expenses	95.0		90.2		269.9		259.2
Depreciation and amortization	51.1		54.7		157.9		168.8
	2,893.4		2,705.1		8,858.2		8,430.0
Operating Profit	541.6		501.4		1,575.4		984.1
Interest Expense	50.7		54.4		184.8		166.6
Interest Income	7.0		5.9		20.1		25.1
Income Before Income Taxes and Income (Loss) From Equity      Method Investments	497.9		452.9		1,410.7		842.6
Income Tax Expense	120.0		120.9		355.1		240.2
Income (Loss) From Equity Method Investments	2.2		2.9		2.1		(10.1)
Net Income	380.1		334.9		1,057.7		592.3
Net Income Attributed To Noncontrolling Interests	24.5		21.6		66.1		45.0
Net Income - Omnicom Group Inc.	$	355.6	$	313.3	$	991.6	$	547.3
Net Income Per Share - Omnicom Group Inc.:
Basic	$	1.66	$	1.45	$	4.61	$	2.54
Diluted	$	1.65	$	1.45	$	4.58	$	2.53

The accompanying notes to the consolidated financial statements are an integral part of these statements.

2

OMNICOM GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

(In millions)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net Income	$	380.1	$	334.9	$	1,057.7	$	592.3
Other Comprehensive Income (Loss):
Cash flow hedge:
Amortization of loss included in interest expense	1.3		1.3		4.2		4.1
Income tax effect	(0.4)		(0.4)		(1.2)		(1.2)
	0.9		0.9		3.0		2.9
Defined benefit pension plans and postemployment arrangements:
Amortization of prior service cost	1.1		1.2		3.6		3.7
Amortization of actuarial losses	3.4		1.8		9.9		5.6
Income tax effect	(1.7)		(0.6)		(5.1)		(2.6)
	2.8		2.4		8.4		6.7
Foreign currency translation adjustment	(132.2)		78.1		(121.1)		(210.3)
Other Comprehensive Income (Loss)	(128.5)		81.4		(109.7)		(200.7)
Comprehensive Income	251.6		416.3		948.0		391.6
Comprehensive Income Attributed To Noncontrolling Interests	16.5		27.0		50.5		27.3
Comprehensive Income - Omnicom Group Inc.	$	235.1	$	389.3	$	897.5	$	364.3

The accompanying notes to the consolidated financial statements are an integral part of these statements.

3

OMNICOM GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF EQUITY

(Unaudited)

(In millions, except per share amounts)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Common Stock, shares issued	297.2		297.2		297.2		297.2
Common Stock, par value	$	44.6	$	44.6	$	44.6	$	44.6
Additional Paid-in Capital:
Beginning Balance	735.4		801.2		747.8		760.9
Net change in noncontrolling interests	0.3		0.5		26.2		10.4
Change in temporary equity	(6.0)		(28.7)		(73.0)		(8.1)
Share-based compensation	18.7		17.6		57.8		52.5
Stock issued, share-based compensation	(39.8)		(48.8)		(50.2)		(73.9)
Ending Balance	708.6		741.8		708.6		741.8
Retained Earnings:
Beginning Balance	8,523.7		7,759.3		8,190.6		7,806.3
Net income	355.6		313.3		991.6		547.3
Common stock dividends declared	(149.3)		(140.0)		(452.2)		(421.0)
Ending Balance	8,730.0		7,932.6		8,730.0		7,932.6
Accumulated Other Comprehensive Income (Loss):
Beginning Balance	(1,187.5)		(1,456.6)		(1,213.8)		(1,197.6)
Other comprehensive income (loss)	(120.4)		76.0		(94.1)		(183.0)
Ending Balance	(1,307.9)		(1,380.6)		(1,307.9)		(1,380.6)
Treasury Stock:
Beginning Balance	(4,767.4)		(4,735.5)		(4,684.8)		(4,560.3)
Stock issued, share-based compensation	42.2		49.8		61.7		79.8
Common stock repurchased	(171.1)		(13.9)		(273.2)		(219.1)
Ending Balance	(4,896.3)		(4,699.6)		(4,896.3)		(4,699.6)
Shareholders’ Equity	3,279.0		2,638.8		3,279.0		2,638.8
Noncontrolling Interests:
Beginning Balance	488.1		448.4		492.5		519.8
Net income	24.5		21.6		66.1		45.0
Other comprehensive income (loss)	(8.0)		5.4		(15.6)		(17.7)
Dividends to noncontrolling interests	(31.2)		(22.5)		(69.8)		(57.7)
Acquisition of noncontrolling interests	(0.6)		(0.5)		(37.7)		(37.0)
Increase in noncontrolling interests from business combinations	—		30.7		37.3		30.7
Ending Balance	472.8		483.1		472.8		483.1
Total Equity	$	3,751.8	$	3,121.9	$	3,751.8	$	3,121.9
Dividends Declared Per Common Share	$	0.70	$	0.65	$	2.10	$	1.95

The accompanying notes to the consolidated financial statements are an integral part of these statements.

4

OMNICOM GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(In millions)

	Nine Months Ended September 30,
	2021		2020
Cash Flows from Operating Activities:
Net income	$	1,057.7	$	592.3
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization of right-of-use assets	98.1		106.4
Amortization of intangible assets	59.8		62.4
Amortization of net deferred gain on interest rate swaps	(10.2)		(6.8)
Share-based compensation	57.8		52.5
Gain on disposition of subsidiary	(50.5)		—
COVID-19 repositioning costs	—		277.9
Other, net	36.6		50.6
Use of operating capital	(1,010.7)		(1,796.7)
Net Cash Provided By (Used In) Operating Activities	238.6		(661.4)
Cash Flows from Investing Activities:
Capital expenditures	(42.6)		(50.0)
Acquisition of businesses and interests in affiliates, net of cash acquired	(25.9)		(65.4)
Proceeds from disposition of subsidiaries and other, net	116.6		6.3
Net Cash Provided By (Used In) Investing Activities	48.1		(109.1)
Cash Flows from Financing Activities:
Proceeds from borrowings	791.7		1,186.6
Repayment of debt	(1,250.0)		(600.0)
Change in short-term debt	6.7		13.7
Dividends paid to common shareholders	(443.0)		(422.7)
Repurchases of common stock	(273.2)		(219.1)
Proceeds from stock plans	8.5		3.1
Acquisition of additional noncontrolling interests	(6.3)		(16.9)
Dividends paid to noncontrolling interest shareholders	(69.8)		(57.7)
Payment of contingent purchase price obligations	(16.8)		(25.4)
Other, net	(86.2)		(49.1)
Net Cash Used In Financing Activities	(1,338.4)		(187.5)
Effect of foreign exchange rate changes on cash and cash equivalents	(117.6)		(69.4)
Net Decrease in Cash and Cash Equivalents	(1,169.3)		(1,027.4)
Cash and Cash Equivalents at the Beginning of Period	5,600.5		4,305.7
Cash and Cash Equivalents at the End of Period	$	4,431.2	$	3,278.3

The accompanying notes to the consolidated financial statements are an integral part of these statements.

5

OMNICOM GROUP INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Presentation of Financial Statements

The terms “Omnicom,” “the Company,” “we,” “our” and “us” each refer to Omnicom Group Inc. and its subsidiaries, unless the context indicates otherwise. The accompanying unaudited consolidated financial statements were prepared in accordance with generally accepted accounting principles in the United States, or U.S. GAAP or GAAP, for interim financial information and Article 10 of Regulation S-X of the Securities and Exchange Commission. Accordingly, certain information and footnote disclosure have been condensed or omitted.

In our opinion, the accompanying unaudited consolidated financial statements reflect all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation, in all material respects, of the information contained herein. These unaudited consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2020, or 2020 10-K. Results for the interim periods are not necessarily indicative of results that may be expected for the year.

Risks and Uncertainties - Ongoing Impact of the COVID-19 Pandemic on our Business

As the impact of the COVID-19 pandemic on the global economy continues to moderate, we experienced an improvement in our business in the third quarter of 2021 as compared to the third quarter of 2020. Revenue for the nine months ended September 30, 2021 increased $1,019.5 million, or 10.8%, compared to the nine months ended September 30, 2020. The increase in revenue primarily reflects increased client spending in all our disciplines and across all our geographic areas compared to the prior year period and the strengthening of most foreign currencies, primarily the British Pound and the Euro, against the U.S. Dollar. The increase in revenue period-over-period was partially offset by a reduction in acquisition revenue, net of disposition revenue reflecting the sale of our wholly owned subsidiary ICON International, or ICON, a specialty media business, in the second quarter of 2021.

Global economic conditions may continue to be volatile as long as the COVID-19 pandemic remains a public health threat, which could negatively impact our clients' spending plans. We expect global economic performance and the performance of our businesses to vary by geography and discipline until the impact of the COVID-19 pandemic on the global economy subsides.

Accounting Changes

On January 1, 2021, we adopted FASB ASU 2019-12, Income Taxes (Topic 740), or ASU 2019-12, which, among other things, amended the rules for recognizing deferred taxes for investments, performing intra-period tax allocations and calculating income taxes in interim periods and reduced complexity in certain areas, including the accounting for transactions that result in a step-up in the tax basis of goodwill and allocating taxes to members of a consolidated group. The adoption of ASU 2019-12 did not have a material effect on our results of operations and financial position.

2. Revenue

Nature of our services

We provide an extensive range of advertising, marketing and corporate communications services through various client-centric networks that are organized to meet specific client objectives. Our branded networks and agencies operate in all major markets and provide services in the following fundamental disciplines: advertising, customer relationship management, or CRM, public relations, and healthcare. Advertising includes creative services, as well as strategic media planning and buying and data analytics services. Public relations services include corporate communications, crisis management, public affairs and media and media relations services. Healthcare includes advertising and media services to global healthcare clients. In an effort to better capture the expanding scope of our services, effective January 1, 2021, we realigned the classification of certain services primarily within our CRM Consumer Experience discipline. As a result, our CRM discipline has been reclassified into four categories: CRM Precision Marketing, which includes our precision marketing and digital/direct marketing agencies; CRM Commerce and Brand Consulting that is primarily comprised of Omnicom Commerce Group, including our shopper marketing businesses, and our Brand Consulting agencies; CRM Experiential, which includes our experiential marketing agencies and events businesses; and CRM Execution & Support, which includes field marketing, merchandising and point of sale, as well as other specialized marketing and custom communications services. At the core of all our services is the ability to create or develop a client’s marketing or corporate communications message into content that can be delivered to a target audience across different communications mediums. Reclassifications have been made to the prior period revenue by discipline information to conform to the current period presentation.

6

Revenue by discipline was (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Advertising	$	1,820.6	$	1,827.6	$	5,838.8	$	5,291.0
CRM Precision Marketing	309.4		237.1		872.4		683.1
CRM Commerce and Brand Consulting	231.3		194.2		667.4		602.8
CRM Experiential	132.7		88.1		345.1		297.9
CRM Execution & Support	258.8		235.5		756.3		702.0
Public Relations	359.4		325.6		1,022.8		957.4
Healthcare	322.8		298.4		930.8		879.9
	$	3,435.0	$	3,206.5	$	10,433.6	$	9,414.1

Economic factors affecting our revenue

Global economic conditions have a direct impact on our revenue. Adverse economic conditions pose a risk that our clients may reduce, postpone or cancel spending for our services, which would impact our revenue.

Revenue in our principal geographic markets was (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Americas:
North America	$	1,821.8	$	1,854.7	$	5,751.7	$	5,516.0
Latin America	72.5		61.6		206.1		187.8
EMEA:
Europe	1,024.3		875.0		3,009.5		2,525.9
Middle East and Africa	58.1		45.2		160.6		135.3
Asia-Pacific	458.3		370.0		1,305.7		1,049.1
	$	3,435.0	$	3,206.5	$	10,433.6	$	9,414.1

The Americas is comprised of North America, which includes the United States, Canada and Puerto Rico, and Latin America, which includes South America and Mexico. EMEA is comprised of Europe, the Middle East and Africa. Asia-Pacific includes Australia, Greater China, India, Japan, Korea, New Zealand, Singapore and other Asian countries. Revenue in the United States for the three months ended September 30, 2021 and 2020 was $1,705.2 million and $1,762.9 million, respectively, and revenue in the United States for the nine months ended September 30, 2021 and 2020 was $5,414.2 million and $5,244.7 million, respectively.

Contract assets and liabilities

Work in process includes contract assets, unbilled fees and costs, and media and production costs. Contract liabilities primarily consist of customer advances. Work in process and contract liabilities were (in millions):

	September 30, 2021		December 31, 2020		September 30, 2020
Work in process:
Contract assets and unbilled fees and costs	$	596.6	$	501.1	$	648.0
Media and production costs	653.0		600.1		526.4
	$	1,249.6	$	1,101.2	$	1,174.4
Contract liabilities:
Customer advances	$	1,325.8	$	1,361.3	$	1,129.5

Work in process represents accrued costs incurred on behalf of customers, including media and production costs, and fees and other third-party costs that have not yet been billed. Media and production costs are billed during the production process in accordance with the terms of the client contract. Contract assets primarily include incentive fees, which are not material and will be billed to clients in accordance with the terms of the client contract. Substantially all unbilled fees and costs will be billed within the next 30 days. The contract liability primarily represents advance billings to customers in accordance with the terms of the client contracts, primarily for the reimbursement of third-party costs that are generally incurred in the near term. No impairment losses to the contract assets were recorded in the three or nine months ended September 30, 2021 and 2020.

7

3. Net Income per Share

The computations of basic and diluted net income per share were (in millions, except per share amounts):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net Income - Omnicom Group Inc.	$	355.6	$	313.3	$	991.6	$	547.3
Weighted Average Shares:
Basic	214.0		215.4		215.0		215.6
Dilutive stock options and restricted shares	1.4		0.4		1.4		0.6
Diluted	215.4		215.8		216.4		216.2
Anti-dilutive stock options and restricted shares	0.7		0.8		0.7		0.8
Net Income per Share - Omnicom Group Inc.:
Basic	$	1.66	$	1.45	$	4.61	$	2.54
Diluted	$	1.65	$	1.45	$	4.58	$	2.53

4. Goodwill and Intangible Assets

Goodwill and intangible assets were (in millions):

	September 30, 2021						December 31, 2020
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Goodwill	$	10,123.9	$	(522.4)	$	9,601.5	$	10,141.6	$	(531.9)	$	9,609.7
Intangible assets:
Purchased and internally developed software	$	379.8	$	(314.6)	$	65.2	$	377.6	$	(307.0)	$	70.6
Customer related and other	742.7		(529.8)		212.9		738.1		(510.2)		227.9
	$	1,122.5	$	(844.4)	$	278.1	$	1,115.7	$	(817.2)	$	298.5

Changes in goodwill were (in millions):

	Nine Months Ended September 30,
	2021		2020
January 1	$	9,609.7	$	9,440.5
Acquisitions	6.9		46.1
Noncontrolling interests in acquired businesses	37.3		32.4
Contingent purchase price obligations of acquired businesses	88.0		—
Dispositions	(21.7)		(3.3)
Foreign currency translation	(118.7)		(77.3)
September 30	$	9,601.5	$	9,438.4

5. Debt

Credit Facilities

We maintain a $2.5 billion multi-currency revolving credit facility, or Credit Facility, that matures on February 14, 2025. Additionally, we have uncommitted credit lines aggregating $915.6 million and the ability to issue up to $2 billion of commercial paper. These facilities provide additional liquidity sources for operating capital and general corporate purposes. At September 30, 2021, there were no outstanding commercial paper issuances or borrowings under the Credit Facility or the uncommitted credit lines.

The Credit Facility contains a financial covenant that requires us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA (earnings before interest, taxes, depreciation, amortization and non-cash charges) of no more than 3.5 times for the most recently ended 12-month period. In October 2020, we amended the Credit Facility to increase the maximum Leverage Ratio to 4.0 times through December 31, 2021. At September 30, 2021, we were in compliance with this covenant as our Leverage Ratio was 2.2 times. The Credit Facility does not limit our ability to declare or pay dividends or repurchase our common stock.

8

Short-Term Debt

Short-term debt at September 30, 2021 and December 31, 2020 of $10.2 million and $3.9 million, respectively, represents bank overdrafts and short-term borrowings primarily of our international subsidiaries. Due to the short-term nature of this debt, carrying value approximates fair value.

Long-Term Debt

Long-term debt was (in millions):

	September 30, 2021		December 31, 2020
3.625% Senior Notes due 2022	$	—	$	1,250.0
3.65% Senior Notes due 2024	750.0		750.0
3.60% Senior Notes due 2026	1,400.0		1,400.0
€500 Million 0.80% Senior Notes due 2027	579.0		611.5
2.45% Senior Notes due 2030	600.0		600.0
4.20% Senior Notes due 2030	600.0		600.0
€500 Million 1.40% Senior Notes due 2031	579.0		611.5
2.60% Senior Notes due 2031	800.0		—
	5,308.0		5,823.0
Unamortized discount	(8.6)		(5.1)
Unamortized debt issuance costs	(29.3)		(27.0)
Unamortized deferred gain from settlement of interest rate swaps	1.6		16.4
Long-term debt	$	5,271.7	$	5,807.3

On May 3, 2021, we issued $800 million 2.60% Senior Notes due August 1, 2031, or 2031 Notes. The net proceeds from the issuance, after deducting the underwriting discount and offering expenses, were $791.7 million. The net proceeds plus cash on hand were used to redeem all the outstanding 3.625% Senior Notes due 2022, or 2022 Notes, in May 2021. In connection with the redemption of the 2022 Notes, we recorded a loss on extinguishment of $26.6 million in interest expense.

The 2.45% Senior Notes, the 4.20% Senior Notes and the 2.60% Senior Notes are senior unsecured obligations of Omnicom that rank equal in right of payment with all existing and future unsecured senior indebtedness.

Omnicom and its wholly owned finance subsidiary, Omnicom Capital Inc., or OCI, are co-obligors under the 3.65% Senior Notes and the 3.60% Senior Notes. These notes are a joint and several liability of Omnicom and OCI, and Omnicom unconditionally guarantees OCI’s obligations with respect to the notes. OCI provides funding for our operations by incurring debt and lending the proceeds to our operating subsidiaries. OCI’s assets primarily consist of cash and cash equivalents and intercompany loans made to our operating subsidiaries, and the related interest receivable. There are no restrictions on the ability of OCI or Omnicom to obtain funds from our subsidiaries through dividends, loans or advances. Such notes are senior unsecured obligations that rank equal in right of payment with all existing and future unsecured senior indebtedness.

Omnicom and OCI have, jointly and severally, fully and unconditionally guaranteed the obligations of Omnicom Finance Holdings plc, or OFHP, a U.K.-based wholly owned subsidiary of Omnicom, with respect to the Euro denominated notes due 2027 and 2031. OFHP’s assets consist of its investments in several wholly owned finance companies that function as treasury centers that provide funding for various operating companies in Europe, Brazil, Australia and other countries in the Asia-Pacific region. The finance companies’ assets consist of cash and cash equivalents and intercompany loans that they make or have made to the operating companies in their respective regions and the related interest receivable. There are no restrictions on the ability of Omnicom, OCI or OFHP to obtain funds from their subsidiaries through dividends, loans or advances. The Euro denominated notes and the related guarantees are senior unsecured obligations that rank equal in right of payment with all existing and future unsecured senior indebtedness of OFHP and each of Omnicom and OCI, respectively.

6. Segment Reporting

Our branded agency networks operate in the advertising, marketing and corporate communications services industry, and are organized into agency networks, virtual client networks, regional reporting units and operating groups or practice areas. Our networks, virtual client networks and agencies increasingly share clients and provide clients with integrated services. The main economic components of each agency are employee compensation and related costs and direct service costs and occupancy and other costs which include rent and occupancy costs, technology costs and other overhead expenses. Therefore, given these similarities, we aggregate our operating segments, which are our agency networks, into one reporting segment. During the second quarter of 2021, we reorganized the management of one of our agency networks, effectively combining certain practice areas into a new reporting unit that primarily comprises our Omnicom Public Relations Group practice area. As a result of the reorganization, the number of operating segments increased from five to six in 2021.

9

The agency networks' regional reporting units comprise three principal regions: the Americas, EMEA and Asia-Pacific. The regional reporting units monitor the performance and are responsible for the agencies in their region. Agencies within the regional reporting units serve similar clients in similar industries and, in many cases, the same clients, and have similar economic characteristics.

Revenue and long-lived assets and goodwill by geographic region were (in millions):

	Americas		EMEA		Asia-Pacific
September 30, 2021
Revenue - Three months ended	$	1,894.3	$	1,082.4	$	458.3
Revenue - Nine months ended	5,957.8		3,170.1		1,305.7
Long-lived assets and goodwill	7,567.2		2,991.1		686.1
September 30, 2020
Revenue - Three months ended	$	1,916.3	$	920.2	$	370.0
Revenue - Nine months ended	5,703.8		2,661.2		1,049.1
Long-lived assets and goodwill	7,632.5		3,005.0		642.0

7. Income Taxes

Our effective tax rate for the nine months ended September 30, 2021 decreased period-over-period to 25.2% from 28.5%. In the second quarter of 2021, we sold ICON International, or ICON, a wholly owned subsidiary. In connection with the sale, we recorded a pre-tax gain of $50.5 million. The lower effective tax rate for 2021 was predominantly the result of a nominal tax applied against the book gain on the sale of ICON resulting from excess tax over book basis. In addition, in the third quarter of 2021, income tax expense was reduced by $11.7 million, primarily from the favorable settlements of uncertain tax positions in certain jurisdictions. The effective tax rate for 2020 reflects an increase due to the non-deductibility in certain jurisdictions of a portion of the COVID-19 repositioning charges recorded in the second quarter of 2020.

At September 30, 2021, our unrecognized tax benefits were $174.6 million. Of this amount, approximately $166.9 million would affect our effective tax rate upon resolution of the uncertain tax positions.

8. Pension and Other Postemployment Benefits

Defined Benefit Pension Plans

The components of net periodic benefit expense were (in millions):

	Nine Months Ended September 30,
	2021		2020
Service cost	$	3.9	$	5.6
Interest cost	2.7		5.0
Expected return on plan assets	(0.8)		(0.7)
Amortization of prior service cost	0.5		0.5
Amortization of actuarial losses	7.0		4.0
	$	13.3	$	14.4

We contributed $0.5 million and $0.9 million to our defined benefit pension plans in the nine months ended September 30, 2021 and 2020, respectively.

Postemployment Arrangements

The components of net periodic benefit expense were (in millions):

	Nine Months Ended September 30,
	2021		2020
Service cost	$	3.6	$	3.5
Interest cost	1.6		2.6
Amortization of prior service cost	3.1		3.2
Amortization of actuarial losses	2.9		1.6
	$	11.2	$	10.9

10

9. Disposition of Subsidiary

In the second quarter of 2021, we sold ICON, a specialty media company, to ICON's management team. As a result, we recorded a pre-tax gain of $50.5 million from the sale. As discussed in Note 7, the after-tax gain approximated the pre-tax gain. The disposition of ICON will not have a material impact on our ongoing results of operations or financial position.

10. COVID-19 Repositioning Costs

In the second quarter of 2020, in response to the COVID-19 pandemic, we incurred $277.9 million of repositioning costs to align our cost structure and reduce our workforce and facility requirements.

At September 30, 2021 the remaining liability for the COVID-19 repositioning costs was (in millions):

January 1, 2021	$	83.8
Payments	(34.6)
September 30, 2021	$	49.2

We expect that the liability for the COVID-19 repositioning costs will be substantially paid by the end of 2021.

11. Supplemental Cash Flow Data

The change in operating capital was (in millions):

	Nine Months Ended September 30,
	2021		2020
(Increase) decrease in accounts receivable	$	343.6	$	1,435.6
(Increase) decrease in work in process and other current assets	(308.6)		121.0
Increase (decrease) in accounts payable	(1,071.3)		(3,110.7)
Increase (decrease) in customer advances, taxes payable and other current liabilities	(86.2)		(216.8)
Change in other assets and liabilities, net	111.8		(25.8)
Increase (decrease)	$	(1,010.7)	$	(1,796.7)
Income taxes paid	$	320.2	$	249.4
Interest paid	$	157.4	$	116.5

Supplemental non-cash information related to leases was (in millions):

	Nine Months Ended September 30,
	2021		2020
Net increase in lease liability:
Operating leases	$	111.2	$	114.7
Finance leases	$	47.9	$	23.5

12. Commitments and Contingent Liabilities

In the ordinary course of business, we are involved in various legal proceedings. We do not presently expect that these proceedings will have a material adverse effect on our results of operations or financial position.

11

13. Accumulated Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive income (loss), net of income taxes were (in millions):

	Cash Flow Hedge		Defined Benefit Pension Plans and Postemployment Arrangements		Foreign Currency Translation		Total
	Nine Months Ended September 30, 2021
January 1	$	(20.1)	$	(123.2)	$	(1,070.5)	$	(1,213.8)
Other comprehensive income (loss) before reclassifications	—		—		(105.5)		(105.5)
Reclassification from accumulated other comprehensive    income (loss)	3.0		8.4		—		11.4
September 30	$	(17.1)	$	(114.8)	$	(1,176.0)	$	(1,307.9)

	Nine Months Ended September 30, 2020
January 1	$	(24.0)	$	(112.1)	$	(1,061.5)	$	(1,197.6)
Other comprehensive income (loss) before reclassifications	—		—		(192.6)		(192.6)
Reclassification from accumulated other comprehensive    income (loss)	2.9		6.7		—		9.6
September 30	$	(21.1)	$	(105.4)	$	(1,254.1)	$	(1,380.6)

14. Fair Value

Financial assets and liabilities measured at fair value on a recurring basis were (in millions):

	September 30, 2021
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	4,431.2					$	4,431.2
Marketable equity investments	1.2						1.2
Foreign currency derivatives			$	0.1			0.1
Liabilities:
Foreign currency derivatives			$	0.3			$	0.3
Contingent purchase price obligations					$	146.6	146.6

	December 31, 2020
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	5,600.5					$	5,600.5
Marketable equity investments	1.6						1.6
Foreign currency derivative instruments			$	0.6			0.6
Liabilities:
Foreign currency derivatives			0.3				0.3
Contingent purchase price obligations					$	71.9	71.9

Changes in contingent purchase price obligations were (in millions):

	Nine Months Ended September 30,
	2021		2020
January 1	$	71.9	$	107.7
Acquisitions	92.3		10.0
Revaluation and interest	0.7		2.0
Payments	(16.8)		(25.4)
Foreign currency translation	(1.5)		1.0
September 30	$	146.6	$	95.3

12

The carrying amount and fair value of our financial assets and liabilities were (in millions):

	September 30, 2021				December 31, 2020
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	$	4,431.2	$	4,431.2	$	5,600.5	$	5,600.5
Marketable equity securities	1.2		1.2		1.6		1.6
Non-marketable equity securities	6.6		6.6		8.9		8.9
Foreign currency derivatives	0.1		0.1		0.6		0.6
Liabilities:
Short-term debt	$	10.2	$	10.2	$	3.9	$	3.9
Foreign currency derivatives	0.3		0.3		0.3		0.3
Contingent purchase price obligations	146.6		146.6		71.9		71.9
Long-term debt	5,217.7		5,669.0		5,807.3		6,380.6

The estimated fair value of the foreign currency derivatives is determined using model-derived valuations, taking into consideration foreign currency rates and counterparty credit risk. The estimated fair value of the contingent purchase price obligations is calculated in accordance with the terms of each acquisition agreement and is discounted. The fair value of debt is based on quoted market prices.

15. Subsequent Events

We have evaluated events subsequent to the balance sheet date and determined that there have not been any events that have occurred that would require additional adjustments to or disclosures in these consolidated financial statements.

13

Item 2.  Management's Discussion and Analysis of Financial Condition and Results of Operations

EXECUTIVE SUMMARY

Impact of the COVID-19 Pandemic on our Business

As the impact of the COVID-19 pandemic on the global economy continues to moderate, we experienced an improvement in our business in the third quarter of 2021 as compared to the third quarter of 2020. Revenue for the nine months ended September 30, 2021 increased $1,019.5 million, or 10.8%, compared to the nine months ended September 30, 2020. The increase in revenue primarily reflects increased client spending in all our disciplines and across all our geographic areas compared to the prior year period and the strengthening of most foreign currencies, primarily the British Pound and the Euro, against the U.S. Dollar. The increase in revenue period-over-period was partially offset by a reduction in acquisition revenue, net of disposition revenue reflecting the sale of our wholly owned subsidiary ICON International, or ICON, a specialty media business, in the second quarter of 2021.

Global economic conditions may continue to be volatile as long as the COVID-19 pandemic remains a public health threat, which could negatively impact our clients' spending plans. We expect global economic performance and the performance of our businesses to vary by geography and discipline until the impact of the COVID-19 pandemic on the global economy subsides.

Results of Operations

We are a strategic holding company providing advertising, marketing and corporate communications services to clients through our branded networks and agencies around the world. On a global, pan-regional and local basis, our branded networks and agencies operate in all major markets and provide services in the following fundamental disciplines: advertising, customer relationship management, or CRM, public relations, and healthcare. Advertising includes creative services, as well as strategic media planning and buying and data analytics services. Public relations services include corporate communications, crisis management, public affairs and media and media relations services. Healthcare includes advertising and media services to global healthcare clients. In an effort to better capture the expanding scope of our services, effective January 1, 2021, we realigned the classification of certain services primarily within our CRM Consumer Experience discipline. As a result, our CRM discipline has been reclassified into four categories: CRM Precision Marketing, which includes our precision marketing and digital/direct marketing agencies; CRM Commerce and Brand Consulting that is primarily comprised of Omnicom Commerce Group, including our shopper marketing businesses, and our Brand Consulting agencies; CRM Experiential, which includes our experiential marketing agencies and events businesses; and CRM Execution & Support, which includes field marketing, merchandising and point of sale, as well as other specialized marketing and custom communications services. Our business model was built and continues to evolve around our clients. While our networks and agencies operate under different names and frame their ideas in different disciplines, we organize our services around our clients. Our fundamental business principle is that our clients’ specific marketing requirements are the central focus of how we structure our service offerings and allocate our resources. This client-centric business model requires that multiple agencies within Omnicom collaborate in formal and informal virtual client networks utilizing our key client matrix organization structure. This collaboration allows us to cut across our internal organizational structures to execute our clients’ marketing requirements in a consistent and comprehensive manner. We use our client-centric approach to grow our business by expanding our service offerings to existing clients, moving into new markets and obtaining new clients. In addition, we pursue selective acquisitions of complementary companies with strong entrepreneurial management teams that typically currently serve or could serve our existing clients.

As a leading global advertising, marketing and corporate communications company, we operate in all major markets and have a large and diverse client base. For the twelve months ended September 30, 2021, our largest client accounted for 3.1% of our revenue and our 100 largest clients, which represent many of the world's major marketers, accounted for approximately 54.1% of our revenue. Our business is spread across a number of industry sectors with no one industry comprising more than 16% of our revenue for the nine months ended September 30, 2021. Although our revenue is generally balanced between the United States and international markets, and we have a large and diverse client base, we are not immune to general economic downturns.

Certain global events targeted by major marketers for advertising expenditures, such as the FIFA World Cup and the Olympics, and certain national events, such as the U.S. election process, may affect our revenue period-over-period in certain businesses. Typically, these events do not have a significant impact on our revenue in any period.

Global economic conditions have a direct impact on our business and financial performance. Adverse global or regional economic conditions, such as those arising from the COVID-19 pandemic, pose a risk that our clients may reduce, postpone or cancel spending on advertising, marketing and corporate communications services, which would reduce the demand for our services. Revenue is typically lower in the first and third quarters and higher in the second and fourth quarters, reflecting client spending patterns during the year and additional project work that usually occurs in the fourth quarter.

Beginning in March 2020 and continuing through the first quarter of 2021, our business experienced the effects from reductions in client spending due to the economic impact related to the COVID-19 pandemic. While mixed by business and geography, the spending reductions impacted all our businesses and markets. Globally, the most impacted businesses were our

14

CRM Experiential discipline, especially in our event marketing businesses, and our CRM Execution & Support discipline, primarily in field marketing. In the third quarter of 2021, most markets continued the recovery from the pandemic that began in the first quarter of 2021, and clients substantially increased their spending on our services compared to the prior year period. The economic and fiscal issues, including the impact related to the pandemic, facing the countries we operate in can be expected to continue to cause economic uncertainty and volatility; however, the impact on our business varies by country. We monitor economic conditions closely, as well as client revenue levels and other factors. In response to reductions in revenue, we can take actions to align our cost structure with changes in client demand and manage our working capital. However, there can be no assurance as to the effectiveness of our efforts to mitigate any impact of the current and future adverse economic conditions, reductions in client revenue, changes in client creditworthiness and other developments.

General business trends impact our business and industry. On balance, we believe that these effects are generally positive. These trends include integrating traditional and non-traditional marketing channels, as well as utilizing new communications technologies and emerging digital platforms, and clients increasingly expanding the focus of their brand strategies from national markets to pan-regional and global markets. As clients increase their demands for marketing effectiveness and efficiency, many of them have made it a practice to consolidate their business within one or a small number of service providers in the pursuit of a single engagement covering all consumer touch points. We have structured our business around these trends. While the current economic environment caused many clients to reduce spending for our services, certain trends such as increased spending on digital marketing platforms, and our key client matrix organization structure approach to collaboration and integration of our services and solutions provide a competitive advantage to our business. We expect this advantage to continue over the medium and long term.

Driven by our clients’ continuous demand for more effective and efficient marketing activities, we strive to provide an extensive range of advertising, marketing and corporate communications services through various client-centric networks that are organized to meet specific client objectives. These services include, among others, advertising, brand consulting, content marketing, corporate social responsibility consulting, crisis communications, custom publishing, data analytics, database management, digital/direct marketing, digital transformation, entertainment marketing, experiential marketing, field marketing, financial/corporate business-to-business advertising, graphic arts/digital imaging, healthcare marketing and communications, in-store design, interactive marketing, investor relations, marketing research, media planning and buying, merchandising and point of sale, mobile marketing, multi-cultural marketing, non-profit marketing, organizational communications, package design, product placement, promotional marketing, public affairs, public relations, retail marketing, sales support, search engine marketing, shopper marketing, social media marketing and sports and event marketing.

We continually evaluate our portfolio of businesses to identify areas for investment and acquisition opportunities, as well as to identify non-strategic or underperforming businesses for disposition.

Given our size and breadth, we manage our business by monitoring several financial indicators. The key indicators that we focus on are revenue and operating expenses. We analyze revenue growth by reviewing the components and mix of the growth, including growth by principal regional market and marketing discipline, the impact from foreign currency exchange rate changes, growth from acquisitions, net of dispositions and growth from our largest clients. Operating expenses are comprised of cost of services, selling, general and administrative expenses, or SG&A, and depreciation and amortization.

Revenue for the quarter ended September 30, 2021 increased $228.5 million, or 7.1%, compared to the prior year quarter, as all our disciplines and regional markets experienced a recovery from the negative effects of the COVID-19 pandemic compared to the third quarter of 2020. Changes in foreign exchange rates in the third quarter of 2021 increased revenue 1.6%, acquisition revenue, net of disposition revenue, reduced revenue 5.9% and organic growth increased revenue 11.5%. The reduction in acquisition revenue, net of disposition revenue, reflects the sale of ICON in the second quarter of 2021. The change in revenue across our principal regional markets was: North America decreased $32.9 million, or 1.8%, Europe increased $149.3 million, or 17.1%, Asia-Pacific increased $88.3 million, or 23.9%, and Latin America increased $10.9 million, or 17.7%. In North America, the increase in organic revenue in all our disciplines, especially in our advertising discipline and our CRM Precision Marketing discipline, was offset by a decline in acquisition revenue, net of disposition revenue, resulting from the sale of ICON. In Europe, organic revenue increased in all countries and disciplines, especially our advertising discipline, which was led by our media business, and our CRM Precision Marketing discipline. The strengthening of the British Pound and the Euro against the U.S. Dollar contributed to increased revenue in the region. In Latin America, revenue increased due to organic growth in all countries in the region, especially Brazil and Colombia, and the strengthening of most currencies against the U.S. Dollar. In Asia-Pacific, revenue increased due to strong organic revenue growth in all our major markets in the region, particularly Australia, China and New Zealand, and in substantially all disciplines. The strengthening of substantially all currencies against the U.S. Dollar contributed to increased revenue in the region. The change in revenue in the third quarter of 2021 compared to the third quarter of 2020 in our fundamental disciplines was: advertising decreased $7.0 million, CRM Precision Marketing increased $72.3 million, CRM Commerce and Brand Consulting increased $37.1 million, CRM Experiential increased $44.6 million, CRM Execution & Support increased $23.3 million, public relations increased $33.8 million and healthcare increased $24.4 million.

15

Revenue for the nine months ended September 30, 2021 increased $1,019.5 million, or 10.8%, compared to the nine months ended September 30, 2020. Changes in foreign exchange rates increased revenue 3.2%, acquisition revenue, net of disposition revenue, reduced revenue 2.8%, and organic growth increased revenue 10.5%. In the first nine months of 2021, our business experienced a recovery from the negative effects of the COVID-19 pandemic in all our disciplines and regional markets as compared to the same period in 2020. The negative effects from the pandemic did not significantly impact our major markets and businesses until late in the first quarter of 2020. As a result, the improvement in revenue in the first nine months of 2021 versus the prior year period was driven by the recovery in the second and third quarters of 2021 as compared to the prior year periods. Revenue increased across all of our principal regional markets. The increases in revenue were as follows: North America $235.7 million, or 4.3%, Europe $483.6 million, or 19.1%, Asia-Pacific $256.6 million, or 24.5%, and Latin America $18.3 million, or 9.7%. In North America, improved organic growth in the United States and Canada was partially offset by a decrease in revenue resulting from the disposition of ICON in the second quarter of 2021. Organic revenue growth in the United States was led by our advertising discipline, on the strength of our media business, CRM Precision Marketing and public relations disciplines, partially offset by a decrease in organic revenue growth in our CRM Experiential discipline. In Europe, organic revenue increased in substantially all countries and disciplines, especially our advertising discipline, which was led by our media business, and our CRM Experiential and public relations disciplines. The strengthening of the British Pound and the Euro against the U.S. Dollar contributed to increased revenue in the region. In Latin America, organic growth in all countries in the region, especially Brazil, Colombia and Mexico, primarily in our advertising and public relations businesses, was partially offset by the weakening of the Brazilian Real against the U.S. Dollar. In Asia-Pacific, revenue increased due to strong organic revenue growth in all countries, particularly China, Australia and New Zealand, and in all disciplines. The strengthening of substantially all currencies against the U.S. Dollar contributed to increased revenue in the region. The increases in revenue in the nine months of 2021 compared to the nine months of 2020 in our fundamental disciplines were as follows: advertising $547.8 million, CRM Precision Marketing $189.3 million, CRM Commerce and Brand Consulting $64.6 million, CRM Experiential $47.2 million, CRM Execution & Support $54.3 million, public relations $65.4 million and healthcare $50.9 million.

We measure cost of services in two distinct categories: salary and service costs and occupancy and other costs. As a service business, salary and service costs make up the significant portion of our operating expenses and substantially all these costs comprise the essential components directly linked to the delivery of our services. Salary and service costs include employee compensation and benefits, freelance labor and third-party service costs, which include third-party supplier costs when we act as principal in providing services to our clients and client-related travel costs. Occupancy and other costs consist of the indirect costs related to the delivery of our services, including office rent and other occupancy costs, equipment rent, technology costs, general office expenses and other expenses.

SG&A expenses increased period-over-period in most categories. SG&A expenses primarily consist of third-party marketing costs, professional fees and compensation and benefits and occupancy and other costs of our corporate and executive offices, which includes group-wide finance and accounting, treasury, legal and governance, human resource oversight and similar costs.

Operating expenses for the quarter ended September 30, 2021 increased $188.3 million, or 7.0%, period-over-period. Salary and service costs, which tend to fluctuate with changes in revenue, increased $174.7 million, or 7.6%, compared to the quarter ended September 30, 2020, reflecting an increase in salary and related service costs of $229.2 million, partially offset by a decrease in third-party service costs of $54.5 million. The increase in salary and related service costs primarily resulted from the increase in organic revenue, as well as the strengthening of most foreign currencies against the U.S. Dollar, especially the British Pound and Euro. The prior year period reflects a reduction in salary and service costs of $68.7 million related to reimbursements and tax credits from governmental programs in several countries. Third-party service costs, which fluctuate with changes in revenue, decreased during the quarter due to our net disposition activity during the year, primarily related to the disposition of ICON, partially offset by the organic growth in revenue as well as the effects of foreign currency exchange rate changes. Occupancy and other costs, which are less directly linked to changes in revenue than salary and service costs, increased $12.4 million, or 4.5%, period-over-period, due to the strengthening of most foreign currencies against the U.S. Dollar. For the quarter ended September 30, 2021 compared to the prior year period, operating profit increased $40.2 million to $541.6 million, operating margin increased to 15.8% from 15.6%, and EBITA margin remained unchanged at 16.3%. In 2020, operating profit, operating margin and EBITA margin reflect the benefits of reimbursements and tax credits from governmental programs.

Operating expenses for the nine months ended September 30, 2021, increased $428.2 million, or 5.1%, period-over-period. Operating expenses for the nine months ended September 30, 2021 include a reduction of $50.5 million related to the gain from the sale of ICON, and the prior year period included an increase of $277.9 million related to charges we recorded in connection with the actions we took in response to the COVID-19 pandemic. Salary and service costs, which tend to fluctuate with changes in revenue, increased $758.4 million, or 11.1%, compared to the nine months of 2020, reflecting increases in salary and related service costs and third-party service costs of $533.0 million and $225.4 million, respectively. These increases primarily resulted from the increase in organic revenue, as well as the strengthening of most foreign currencies against the U.S. Dollar, especially the British Pound and Euro. The prior year period reflects a reduction in salary and service costs of $117.8 million related to reimbursements and tax credits from governmental programs in several countries. Occupancy and other costs, which are less

16

directly linked to changes in revenue than salary and service costs, decreased $1.6 million, or 0.2%. For the nine months ended September 30, 2021, operating profit increased $591.3 million to $1,575.4 million, operating margin increased to 15.1% from 10.5%, and EBITA margin increased to 15.7% from 11.1%. The increases in operating profit, operating margin and EBITA margin reflect the impact of the organic revenue growth, the positive impact of cost reduction actions taken in the prior year in response to the COVID-19 pandemic, and the negative impact in the prior year period from the net increase in operating expenses recorded in the second quarter of 2020 aggregating $160.1 million, related to the COVID-19 repositioning costs, partially offset by the benefit related to reimbursements and tax credits from governmental programs. Additionally, operating profit, operating margin and EBITA margin for the nine months of 2021 were favorably impacted by the $50.5 million gain recorded in connection with the sale of ICON.

In connection with the sale of ICON, in the second quarter of 2021, we recorded a pre-tax gain of $50.5 million. The sale of ICON is part of our continuing realignment of our portfolio of businesses and is consistent with our strategic plan and investment priorities. The disposition is not expected to have a material impact on our ongoing results of operations or financial position. Going forward, the anticipated level of disposition activity is expected to be limited, and we expect to be principally focused on acquisition opportunities.

Net interest expense in the third quarter of 2021 decreased $4.8 million period-over-period to $43.7 million. Net interest expense in the nine months of 2021 increased $23.2 million period-over-period to $164.7 million. Interest expense on debt in the third quarter of 2021 decreased $3.8 million to $44.8 million primarily as a result of the benefit from the early redemption in May 2021 of all the outstanding $1.250 billion principal amount of 3.625% Senior Notes due 2022, or 2022 Notes, which was partially offset by the issuance of $800 million of 2.60% Senior Notes due 2031, or 2031 Notes. Interest expense on debt in the nine months of 2021 increased $15.9 million to $167.4 million compared to the prior year period, primarily arising from a loss of $26.6 million on the early redemption of the 2022 Notes. The impact of this refinancing activity reduced our leverage that had increased in the second quarter of 2020 from the issuance of $600 million of 4.20% Senior Notes due 2030, or 2030 Notes, to increase our liquidity in response to the COVID-19 pandemic. Interest income in the third quarter of 2021 increased $1.1 million period-over-period to $7.0 million and in the nine months of 2021 decreased $5.0 million period-over-period to $20.1 million.

Our effective tax rate for the third quarter of 2021 decreased period-over-period to 24.1% from 26.7%. In the third quarter of 2021, income tax expense was reduced by $11.7 million primarily from the favorable settlements of uncertain tax positions in certain jurisdictions. Our effective tax rate for the nine months ended September 30, 2021 decreased period-over-period to 25.2% from 28.5%. In connection with the sale of ICON in the second quarter of 2021, we recorded a pre-tax gain of $50.5 million. The lower effective tax rate for 2021 was predominantly the result of a nominal tax applied against the book gain on the sale of ICON resulting from excess tax over book basis. Our effective tax rate for the nine months ended September 30, 2021 would have been in line with our expectations except for these items.

Net income - Omnicom Group Inc. for the third quarter of 2021 was $355.6 million, as compared to $313.3 million in the third quarter of 2020. Net income - Omnicom Group Inc. in the nine months of 2021 increased $444.3 million to $991.6 million from $547.3 million in the nine months of 2020. The period-over-period increase is due to the factors described above. Diluted net income per share - Omnicom Group Inc. for the third quarter of 2021 was $1.65, as compared to $1.45 in the third quarter of 2020. Diluted net income per share - Omnicom Group Inc. increased to $4.58 in the nine months of 2021, as compared to $2.53 in the nine months of 2020. The period-over-period change was due to the factors described above, as well as the impact of the reduction in our weighted average common shares outstanding resulting from the resumption of repurchases of our common stock during the year, net of shares issued for restricted stock awards, stock option exercises and the employee stock purchase plan.

The combined effect of the after-tax gain from the sale of ICON and the loss on the early redemption of the 2022 Notes increased net income - Omnicom Group Inc. for the nine months of 2021 by $31.0 million and increased diluted net income per share - Omnicom Group Inc. for the nine months of 2021 by $0.14. The net after-tax affect on net income - Omnicom Group Inc. in 2020 from the COVID-19 repositioning costs, decreased net income - Omnicom Group Inc. for the nine months of 2020 by $223.1 million and decreased diluted net income per share - Omnicom Group Inc. for the nine months of 2020 by $1.03.

17

RESULTS OF OPERATIONS - Third Quarter 2021 Compared to Third Quarter 2020 (in millions):

	2021			2020
Revenue	$	3,435.0		$	3,206.5
Operating Expenses:
Salary and service costs	2,461.8			2,287.1
Occupancy and other costs	285.5			273.1
Cost of services	2,747.3			2,560.2
Selling, general and administrative expenses	95.0			90.2
Depreciation and amortization	51.1			54.7
	2,893.4			2,705.1
Operating Profit	541.6			501.4
Operating Margin %	15.8		%	15.6		%
Interest Expense	50.7			54.4
Interest Income	7.0			5.9
Income Before Income Taxes and Income From Equity Method Investments	497.9			452.9
Income Tax Expense	120.0			120.9
Income From Equity Method Investments	2.2			2.9
Net Income	380.1			334.9
Net Income Attributed To Noncontrolling Interests	24.5			21.6
Net Income - Omnicom Group Inc.	$	355.6		$	313.3

Non-GAAP Financial Measures

We use EBITA and EBITA Margin as additional operating performance measures that exclude the non-cash amortization expense of intangible assets, which primarily consists of amortization of intangible assets arising from acquisitions. We define EBITA as earnings before interest, taxes and amortization of intangible assets, and EBITA Margin as EBITA divided by revenue. EBITA and EBITA Margin are non-GAAP financial measures. We believe that EBITA and EBITA Margin are useful measures for investors to evaluate the performance of our business. Non-GAAP financial measures should not be considered in isolation from, or as a substitute for, financial information presented in compliance with U.S. GAAP. Non-GAAP financial measures reported by us may not be comparable to similarly titled amounts reported by other companies.

The following table reconciles the U.S. GAAP financial measure of Net Income - Omnicom Group Inc. to EBITA and EBITA Margin for the periods presented (in millions):

	2021			2020
Net Income - Omnicom Group Inc.	$	355.6		$	313.3
Net Income Attributed To Noncontrolling Interests	24.5			21.6
Net Income	380.1			334.9
Income From Equity Method Investments	2.2			2.9
Income Tax Expense	120.0			120.9
Income Before Income Taxes and Income From Equity Method Investments	497.9			452.9
Interest Expense	50.7			54.4
Interest Income	7.0			5.9
Operating Profit	541.6			501.4
Add back: Amortization of intangible assets	18.7			20.2
Earnings before interest, taxes and amortization of intangible assets (“EBITA”)	$	560.3		$	521.6
Revenue	$	3,435.0		$	3,206.5
EBITA	$	560.3		$	521.6
EBITA Margin %	16.3		%	16.3		%

18

Revenue

Revenue for the quarter ended September 30, 2021 increased $228.5 million, or 7.1%, compared to the prior year quarter, as all our disciplines and regional markets experienced a recovery from the negative effects of the COVID-19 pandemic compared to the third quarter of 2020. Changes in foreign exchange rates in the third quarter of 2021 increased revenue 1.6%, acquisition revenue, net of disposition revenue, reduced revenue 5.9% and organic growth increased revenue 11.5%. The reduction in acquisition revenue, net of disposition revenue, reflects the sale of ICON in the second quarter of 2021. The change in revenue across our principal regional markets was: North America decreased $32.9 million, or 1.8%, Europe increased $149.3 million, or 17.1%, Asia-Pacific increased $88.3 million, or 23.9%, and Latin America increased $10.9 million, or 17.7%. In North America, the increase in organic revenue in all our disciplines, especially in our advertising discipline and our CRM Precision Marketing discipline, was offset by a decline in acquisition revenue, net of disposition revenue, resulting from the sale of ICON. In Europe, organic revenue increased in all countries and disciplines, especially our advertising discipline, which was led by our media business, and our CRM Precision Marketing discipline. The strengthening of the British Pound and the Euro against the U.S. Dollar contributed to increased revenue in the region. In Latin America, revenue increased due to organic growth in all countries in the region, especially Brazil and Colombia, and the strengthening of most currencies against the U.S. Dollar. In Asia-Pacific, revenue increased due to strong organic revenue growth in all our major markets in the region, particularly Australia, China and New Zealand, and in substantially all disciplines. The strengthening of substantially all currencies against the U.S. Dollar contributed to increased revenue in the region. The change in revenue in the third quarter of 2021 compared to the third quarter of 2020 in our fundamental disciplines was: advertising decreased $7.0 million, CRM Precision Marketing increased $72.3 million, CRM Commerce and Brand Consulting increased $37.1 million, CRM Experiential increased $44.6 million, CRM Execution & Support increased $23.3 million, public relations increased $33.8 million and healthcare increased $24.4 million.

The components of revenue change for the third quarter of 2021 in the United States (“Domestic”) and the remainder of the world (“International”) were (in millions):

	Total				Domestic				International
	$		%		$		%		$		%
September 30, 2020	$	3,206.5			$	1,762.9			$	1,443.6
Components of revenue change:
Foreign exchange rate impact	51.8		1.6	%	—		—	%	51.8		3.6	%
Acquisition revenue, net of disposition revenue	(190.5)		(5.9)	%	(193.7)		(11.0)	%	3.2		0.2	%
Organic growth	367.2		11.5	%	136.0		7.7	%	231.2		16.0	%
September 30, 2021	$	3,435.0	7.1	%	$	1,705.2	(3.3)	%	$	1,729.8	19.8	%

The components and percentages are calculated as follows:

•Foreign exchange rate impact is calculated by translating the current period’s local currency revenue using the prior period average exchange rates to derive current period constant currency revenue (in this case $3,383.2 million for the Total column). The foreign exchange impact is the difference between the current period revenue in U.S. Dollars and the current period constant currency revenue ($3,435.0 million less $3,383.2 million for the Total column).

•Acquisition revenue is calculated as if the acquisition occurred twelve months prior to the acquisition date by aggregating the comparable prior period revenue of acquisitions through the acquisition date. As a result, acquisition revenue excludes the positive or negative difference between our current period revenue subsequent to the acquisition date and the comparable prior period revenue and the positive or negative growth after the acquisition is attributed to organic growth. Disposition revenue is calculated as if the disposition occurred twelve months prior to the disposition date by aggregating the comparable prior period revenue of dispositions through the disposition date. The acquisition revenue and disposition revenue amounts are netted in the table.

•Organic growth is calculated by subtracting the foreign exchange rate impact, and the acquisition revenue, net of disposition revenue components from total revenue growth.

•The percentage change is calculated by dividing the individual component amount by the prior period revenue base of that component ($3,206.5 million for the Total column).

Changes in the value of foreign currencies against the U.S. Dollar affect our results of operations and financial position. For the most part, because the revenue and expense of our foreign operations are both denominated in the same local currency, the economic impact on operating margin is minimized. Assuming exchange rates at October 15, 2021 remain unchanged, we expect the impact of changes in foreign exchange rates to reduce revenue approximately 1% in the fourth quarter of 2021, and to increase revenue by approximately 2% for the full year.

Based on our acquisition and disposition activity to date, we expect that the net impact will reduce revenue by 7% for the fourth quarter of 2021 and 4% for the full year. Further, we expect organic revenue growth for the full year to be marginally below organic revenue growth through the nine months ended September 30, 2021. In addition, we expect operating margin for

19

the full year to improve slightly from operating margin for the nine months ended September 30, 2021 (see page 23, results of operations table and page 24, components of revenue change table).

Revenue and organic growth in our principal regional markets were (in millions):

	Three Months Ended September 30,
	2021		2020		$ Change		% Organic Growth
Americas:
North America	$	1,821.8	$	1,854.7	$	(32.9)	8.3	%
Latin America	72.5		61.6		10.9		15.9	%
EMEA:
Europe	1,024.3		875.0		149.3		13.6	%
Middle East and Africa	58.1		45.2		12.9		24.3	%
Asia-Pacific	458.3		370.0		88.3		19.6	%
	$	3,435.0	$	3,206.5	$	228.5	11.5	%

Revenue in Europe, which includes our primary markets of the U.K. and the Euro Zone, increased $149.3 million for the third quarter of 2021. Revenue in the U.K., representing 11.2% of consolidated revenue, increased $64.0 million. Revenue in Continental Europe, which comprises the Euro Zone and the other European countries, representing 18.7% of consolidated revenue, increased $85.3 million. The increase in revenue is due to strong organic growth in all countries and disciplines, as well as the continued strengthening of the British Pound and Euro against the U.S. Dollar.

In the normal course of business, our agencies both gain and lose business from clients each year due to a variety of factors. Under our client-centric approach, we seek to broaden our relationships with all of our clients. For the twelve months ended September 30, 2021 and 2020, our largest client represented 3.1% and 3.3% of revenue, respectively. Our ten largest and 100 largest clients represented 21.9% and 54.1% of revenue for the twelve months ended September 30, 2021, respectively, and 19.9% and 51.8% of revenue for the twelve months ended September 30, 2020, respectively.

To monitor the changing needs of our clients and to further expand the scope of our services to key clients, we monitor revenue across a broad range of disciplines and group them into the following categories: advertising, CRM, public relations and healthcare. In an effort to better capture the expanding scope of our services, effective January 1, 2021, we realigned the classification of certain services primarily within our CRM Consumer Experience discipline. As a result, our CRM discipline has been reclassified into four categories: CRM Precision Marketing, which includes our precision marketing and digital/direct marketing agencies; CRM Commerce and Brand Consulting that is primarily comprised of Omnicom Commerce Group, including our shopper marketing businesses, and our Brand Consulting agencies; CRM Experiential, which includes our experiential marketing agencies and events businesses; and CRM Execution & Support, which includes field marketing, merchandising and point of sale, as well as other specialized marketing and custom communications services.

Although all our disciplines improved as compared to the third quarter of 2020, certain of our businesses and markets continue to experience the effects of client spending reductions related to the COVID-19 pandemic. Among the most impacted businesses were our CRM Experiential discipline, especially in our event marketing businesses, and our CRM Execution & Support discipline, primarily in our field marketing businesses. Revenue and organic growth by discipline were (in millions):

	Three Months Ended September 30,
	2021				2020				2021 vs. 2020
	$		% of Revenue		$		% of Revenue		$ Change		% Organic Growth
Advertising	$	1,820.6	53.0	%	$	1,827.6	57.0	%	$	(7.0)	8.6	%
CRM Precision Marketing	309.4		9.0	%	237.1		7.4	%	72.3		24.3	%
CRM Commerce and Brand Consulting	231.3		6.7	%	194.2		6.1	%	37.1		18.0	%
CRM Experiential	132.7		3.9	%	88.1		2.7	%	44.6		49.9	%
CRM Execution & Support	258.8		7.5	%	235.5		7.3	%	23.3		8.3	%
Public Relations	359.4		10.5	%	325.6		10.2	%	33.8		10.5	%
Healthcare	322.8		9.4	%	298.4		9.3	%	24.4		6.6	%
	$	3,435.0			$	3,206.5			$	228.5	11.5	%

20

We provide services to clients that operate in various industry sectors. Revenue by sector was:

	Three Months Ended September 30,
	2021		2020
Food and Beverage	14	%	14	%
Consumer Products	8	%	8	%
Pharmaceuticals and Healthcare	16	%	17	%
Financial Services	7	%	8	%
Technology	11	%	10	%
Auto	10	%	10	%
Travel and Entertainment	5	%	5	%
Telecommunications	6	%	6	%
Retail	7	%	7	%
Services	2	%	2	%
Oil, Gas and Utilities	2	%	1	%
Not-for-Profit	1	%	1	%
Government	3	%	3	%
Education	1	%	1	%
Other	7	%	7	%
	100	%	100	%

In 2020, certain industry sectors were more negatively affected by the impact of the COVID-19 pandemic than others.

Operating Expenses

Operating expenses were (in millions):

	Three Months Ended September 30,
	2021				2020				2021 vs. 2020
	$		% of Revenue		$		% of Revenue		$ Change		% Change
Revenue	$	3,435.0			$	3,206.5			$	228.5	7.1	%
Operating Expenses:
Salary and service costs:
Salary and related service costs	1,730.3		50.4	%	1,501.1		46.8	%	229.2		15.3	%
Third-party service costs	731.5		21.3	%	786.0		24.5	%	(54.5)		(6.9)	%
	2,461.8		71.7	%	2,287.1		71.3	%	174.7		7.6	%
Occupancy and other costs	285.5		8.3	%	273.1		8.5	%	12.4		4.5	%
Cost of services	2,747.3				2,560.2				187.1		7.3	%
Selling, general and administrative expenses	95.0		2.8	%	90.2		2.8	%	4.8		5.3	%
Depreciation and amortization	51.1		1.5	%	54.7		1.7	%	(3.6)		(6.6)	%
	2,893.4		84.2	%	2,705.1		84.4	%	188.3		7.0	%
Operating Profit	$	541.6	15.8	%	$	501.4	15.6	%	$	40.2	8.0	%

Operating expenses for the quarter ended September 30, 2021 increased $188.3 million, or 7.0%, period-over-period. Salary and service costs, which tend to fluctuate with changes in revenue, increased $174.7 million, or 7.6%, compared to the quarter ended September 30, 2020, reflecting an increase in salary and related service costs of $229.2 million, partially offset by a decrease in third-party service costs of $54.5 million. The increase in salary and related service costs primarily resulted from the increase in organic revenue, as well as the strengthening of most foreign currencies against the U.S. Dollar, especially the British Pound and Euro. The prior year period reflects a reduction in salary and service costs of $68.7 million related to reimbursements and tax credits from governmental programs in several countries. Third-party service costs, which fluctuate with changes in revenue, decreased during the quarter due to our net disposition activity during the year, primarily related to the disposition of ICON, partially offset by the organic growth in revenue as well as the effects of foreign currency exchange rate changes. Occupancy and other costs, which are less directly linked to changes in revenue than salary and service costs, increased $12.4 million, or 4.5%, period-over-period, due to the strengthening of most foreign currencies against the U.S. Dollar. For the quarter ended September 30, 2021 compared to the prior year period, operating profit increased $40.2 million to $541.6 million, operating

21

margin increased to 15.8% from 15.6%, and EBITA margin remained unchanged at 16.3%. In 2020, operating profit, operating margin and EBITA margin reflect the benefits of reimbursements and tax credits from governmental programs.

Net Interest Expense

Net interest expense in the third quarter of 2021 decreased $4.8 million period-over-period to $43.7 million. Interest expense on debt in the third quarter of 2021 decreased $3.8 million to $44.8 million primarily as a result of the benefit from the early redemption in May 2021 of all the outstanding $1.250 billion principal amount of the 2022 Notes, which was partially offset by the issuance of $800 million of the 2031 Notes (see Note 5 to the unaudited consolidated financial statements). Interest income in the third quarter of 2021 increased $1.1 million period-over-period to $7.0 million.

Income Taxes

Our effective tax rate for the third quarter of 2021 decreased period-over-period to 24.1% from 26.7%. In the third quarter of 2021, income tax expense was reduced by $11.7 million primarily from the favorable settlements of uncertain tax positions in certain jurisdictions.

Net Income and Net Income Per Share - Omnicom Group Inc.

Net income - Omnicom Group Inc. for the third quarter of 2021 was $355.6 million, as compared to $313.3 million in the third quarter of 2020. The period-over-period increase is due to the factors described above. Diluted net income per share - Omnicom Group Inc. for the third quarter of 2021 was $1.65, as compared to $1.45 in the third quarter of 2020. The period-over-period change was due to the factors described above, as well as the impact of the reduction in our weighted average common shares outstanding resulting from the resumption of repurchases of our common stock during the year, net of shares issued for restricted stock awards, stock option exercises and the employee stock purchase plan.

22

RESULTS OF OPERATIONS - Nine Months of 2021 Compared to Nine Months of 2020 (in millions):

	2021			2020
Revenue	$	10,433.6		$	9,414.1
Operating Expenses:
Salary and service costs	7,609.9			6,851.5
Occupancy and other costs	871.0			872.6
Gain on disposition of subsidiary	(50.5)			—
COVID-19 repositioning costs	—			277.9
Cost of services	8,430.4			8,002.0
Selling, general and administrative expenses	269.9			259.2
Depreciation and amortization	157.9			168.8
	8,858.2			8,430.0
Operating Profit	1,575.4			984.1
Operating Margin %	15.1		%	10.5		%
Interest Expense	184.8			166.6
Interest Income	20.1			25.1
Income Before Income Taxes and Income (Loss) From Equity Method Investments	1,410.7			842.6
Income Tax Expense	355.1			240.2
Income (Loss) From Equity Method Investments	2.1			(10.1)
Net Income	1,057.7			592.3
Net Income Attributed To Noncontrolling Interests	66.1			45.0
Net Income - Omnicom Group Inc.	$	991.6		$	547.3

Non-GAAP Financial Measures

We use EBITA and EBITA Margin as additional operating performance measures that exclude the non-cash amortization expense of intangible assets, which primarily consists of amortization of intangible assets arising from acquisitions. We define EBITA as earnings before interest, taxes and amortization of intangible assets, and EBITA Margin as EBITA divided by revenue. EBITA and EBITA Margin are non-GAAP financial measures. We believe that EBITA and EBITA Margin are useful measures for investors to evaluate the performance of our business. Non-GAAP financial measures should not be considered in isolation from, or as a substitute for, financial information presented in compliance with U.S. GAAP. Non-GAAP financial measures reported by us may not be comparable to similarly titled amounts reported by other companies.

The following table reconciles the U.S. GAAP financial measure of Net Income - Omnicom Group Inc. to EBITA and EBITA Margin for the periods presented (in millions):

	2021			2020
Net Income - Omnicom Group Inc.	$	991.6		$	547.3
Net Income Attributed To Noncontrolling Interests	66.1			45.0
Net Income	1,057.7			592.3
Income (Loss) From Equity Method Investments	2.1			(10.1)
Income Tax Expense	355.1			240.2
Income Before Income Taxes and Income (Loss) From Equity Method Investments	1,410.7			842.6
Interest Expense	184.8			166.6
Interest Income	20.1			25.1
Operating Profit	1,575.4			984.1
Add back: Amortization of intangible assets	59.8			62.4
Earnings before interest, taxes and amortization of intangible assets (“EBITA”)	$	1,635.2		$	1,046.5
Revenue	$	10,433.6		$	9,414.1
EBITA	$	1,635.2		$	1,046.5
EBITA Margin %	15.7		%	11.1		%

23

Revenue

Revenue for the nine months ended September 30, 2021 increased $1,019.5 million, or 10.8%, compared to the nine months ended September 30, 2020. Changes in foreign exchange rates increased revenue 3.2%, acquisition revenue, net of disposition revenue, reduced revenue 2.8%, and organic growth increased revenue 10.5%. In the first nine months of 2021, our business experienced a recovery from the negative effects of the COVID-19 pandemic in all our disciplines and regional markets as compared to the same period in 2020. The negative effects from the pandemic did not significantly impact our major markets and businesses until late in the first quarter of 2020. As a result, the improvement in revenue in the first nine months of 2021 versus the prior year period was driven by the recovery in the second and third quarters of 2021 as compared to the prior year periods. Revenue increased across all of our principal regional markets. The increases in revenue were as follows: North America $235.7 million, or 4.3%, Europe $483.6 million, or 19.1%, Asia-Pacific $256.6 million, or 24.5%, and Latin America $18.3 million, or 9.7%. In North America, improved organic growth in the United States and Canada was partially offset by a decrease in revenue resulting from the disposition of ICON in the second quarter of 2021. Organic revenue growth in the United States was led by our advertising discipline, on the strength of our media business, CRM Precision Marketing and public relations disciplines, partially offset by a decrease in organic revenue growth in our CRM Experiential discipline. In Europe, organic revenue increased in substantially all countries and disciplines, especially our advertising discipline, which was led by our media business, and our CRM Experiential and public relations disciplines. The strengthening of the British Pound and the Euro against the U.S. Dollar contributed to increased revenue in the region. In Latin America, organic growth in all countries in the region, especially Brazil, Colombia and Mexico, primarily in our advertising and public relations businesses, was partially offset by the weakening of the Brazilian Real against the U.S. Dollar. In Asia-Pacific, revenue increased due to strong organic revenue growth in all countries, particularly China, Australia and New Zealand, and in all disciplines. The strengthening of substantially all currencies against the U.S. Dollar contributed to increased revenue in the region. The increases in revenue in the nine months of 2021 compared to the nine months of 2020 in our fundamental disciplines were as follows: advertising $547.8 million, CRM Precision Marketing $189.3 million, CRM Commerce and Brand Consulting $64.6 million, CRM Experiential $47.2 million, CRM Execution & Support $54.3 million, public relations $65.4 million and healthcare $50.9 million.

The components of revenue change for the nine months of 2021 in the United States (“Domestic”) and the remainder of the world (“International”) were (in millions):

	Total				Domestic				International
	$		%		$		%		$		%
September 30, 2020	$	9,414.1			$	5,244.7			$	4,169.4
Components of revenue change:
Foreign exchange rate impact	298.3		3.2	%	—		—	%	298.3		7.2	%
Acquisition revenue, net of disposition revenue	(267.5)		(2.8)	%	(264.0)		(5.0)	%	(3.5)		(0.1)	%
Organic growth	988.7		10.5	%	433.5		8.3	%	555.2		13.3	%
September 30, 2021	$	10,433.6	10.8	%	$	5,414.2	3.2	%	$	5,019.4	20.4	%

The components and percentages are calculated as follows:

•Foreign exchange rate impact is calculated by translating the current period’s local currency revenue using the prior period average exchange rates to derive current period constant currency revenue (in this case $10,135.3 million for the Total column). The foreign exchange impact is the difference between the current period revenue in U.S. Dollars and the current period constant currency revenue ($10,433.6 million less $10,135.3 million for the Total column).

•Acquisition revenue is calculated as if the acquisition occurred twelve months prior to the acquisition date by aggregating the comparable prior period revenue of acquisitions through the acquisition date. As a result, acquisition revenue excludes the positive or negative difference between our current period revenue subsequent to the acquisition date and the comparable prior period revenue and the positive or negative growth after the acquisition is attributed to organic growth. Disposition revenue is calculated as if the disposition occurred twelve months prior to the disposition date by aggregating the comparable prior period revenue of dispositions through the disposition date. The acquisition revenue and disposition revenue amounts are netted in the table.

•Organic growth is calculated by subtracting the foreign exchange rate impact, and the acquisition revenue, net of disposition revenue components from total revenue growth.

•The percentage change is calculated by dividing the individual component amount by the prior period revenue base of that component ($9,414.1 million for the Total column).

24

Revenue and organic growth in our principal regional markets were (in millions):

	Nine Months Ended September 30,
	2021		2020		$ Change		% Organic Growth
Americas:
North America	$	5,751.7	$	5,516.0	$	235.7	8.7	%
Latin America	206.1		187.8		18.3		10.4	%
EMEA:
Europe	3,009.5		2,525.9		483.6		11.9	%
Middle East and Africa	160.6		135.3		25.3		14.9	%
Asia-Pacific	1,305.7		1,049.1		256.6		16.3	%
	$	10,433.6	$	9,414.1	$	1,019.5	10.5	%

Revenue in Europe, which includes our primary markets of the U.K. and the Euro Zone, increased $483.6 million for the nine months of 2021 as compared to the prior year period. Revenue in the U.K., representing 10.7% of total revenue, increased $189.7 million. Revenue in Continental Europe, which comprises the Euro Zone and the other European countries, representing 18.1% of total revenue, increased $293.9 million. The increase in revenue is due to strong organic growth in all countries and disciplines, as well as the continued strengthening of the British Pound and Euro against the U.S. Dollar.

In the normal course of business, our agencies both gain and lose business from clients each year due to a variety of factors. The net change through the nine months of 2021 was an overall gain in new business. Under our client-centric approach, we seek to broaden our relationships with all of our clients.

To monitor the changing needs of our clients and to further expand the scope of our services to key clients, we monitor revenue across a broad range of disciplines and group them into the following categories: advertising, CRM, public relations and healthcare. In an effort to better capture the expanding scope of our services, effective January 1, 2021, we realigned the classification of certain services primarily within our CRM Consumer Experience discipline. As a result, our CRM discipline has been reclassified into four categories: CRM Precision Marketing, which includes our precision marketing and digital/direct marketing agencies; CRM Commerce and Brand Consulting that is primarily comprised of Omnicom Commerce Group, including our shopper marketing businesses, and our Brand Consulting agencies; CRM Experiential, which includes our experiential marketing agencies and events businesses; and CRM Execution & Support, which includes field marketing, merchandising and point of sale, as well as other specialized marketing and custom communications services.

Certain of our businesses and markets continue to experience the effects of client spending reductions related to the COVID-19 pandemic. Among the most impacted businesses were our CRM Experiential discipline, especially in our event marketing businesses, and our CRM Execution & Support discipline, primarily in our field marketing businesses. Revenue and organic growth by discipline were (in millions):

	Nine Months Ended September 30,
	2021				2020				2021 vs. 2020
	$		% of Revenue		$		% of Revenue		$ Change		% Organic Growth
Advertising	$	5,838.8	56.0	%	$	5,291.0	56.2	%	$	547.8	12.0	%
CRM Precision Marketing	872.4		8.4	%	683.1		7.2	%	189.3		18.7	%
CRM Commerce and Brand Consulting	667.4		6.4	%	602.8		6.4	%	64.6		9.0	%
CRM Experiential	345.1		3.3	%	297.9		3.2	%	47.2		14.1	%
CRM Execution & Support	756.3		7.2	%	702.0		7.5	%	54.3		3.8	%
Public Relations	1,022.8		9.8	%	957.4		10.2	%	65.4		7.1	%
Healthcare	930.8		8.9	%	879.9		9.3	%	50.9		3.8	%
	$	10,433.6			$	9,414.1			$	1,019.5	10.5	%

25

We provide services to clients that operate in various industry sectors. Revenue by sector was:

	Nine Months Ended September 30,
	2021		2020
Food and Beverage	14	%	14	%
Consumer Products	8	%	8	%
Pharmaceuticals and Healthcare	16	%	16	%
Financial Services	7	%	8	%
Technology	10	%	9	%
Auto	10	%	10	%
Travel and Entertainment	8	%	7	%
Telecommunications	5	%	6	%
Retail	7	%	7	%
Services	2	%	2	%
Oil, Gas and Utilities	1	%	1	%
Not-for-Profit	1	%	1	%
Government	3	%	3	%
Education	1	%	1	%
Other	7	%	7	%
	100	%	100	%

In 2020, certain industry sectors were more negatively affected by the impact of the COVID-19 pandemic than others.

Operating Expenses

Operating expenses were (in millions):

	Nine Months Ended September 30,
	2021				2020				2021 vs. 2020
	$		% of Revenue		$		% of Revenue		$ Change		% Change
Revenue	$	10,433.6			$	9,414.1			$	1,019.5	10.8	%
Operating Expenses:
Salary and service costs:
Salary and related service costs	5,101.2		48.9	%	4,568.2		48.5	%	533.0		11.7	%
Third-party service costs	2,508.7		24.0	%	2,283.3		24.3	%	225.4		9.9	%
	7,609.9		72.9	%	6,851.5		72.8	%	758.4		11.1	%
Occupancy and other costs	871.0		8.3	%	872.6		9.3	%	(1.6)		(0.2)	%
Gain on sale of subsidiary	(50.5)		(0.5)	%	—				—
COVID-19 repositioning costs	—				277.9		3.0	%	—
Cost of services	8,430.4				8,002.0				428.4		5.4	%
Selling, general and administrative expenses	269.9		2.6	%	259.2		2.8	%	10.7		4.1	%
Depreciation and amortization	157.9		1.5	%	168.8		1.8	%	(10.9)		(6.5)	%
	8,858.2		84.9	%	8,430.0		89.5	%	428.2		5.1	%
Operating Profit	$	1,575.4	15.1	%	$	984.1	10.5	%	$	591.3	60.1	%

Operating expenses for the nine months ended September 30, 2021, increased $428.2 million, or 5.1%, period-over-period. Operating expenses for the nine months ended September 30, 2021 include a reduction of $50.5 million related to the gain from the sale of ICON, and the prior year period included an increase of $277.9 million related to charges we recorded in connection with the actions we took in response to the COVID-19 pandemic. Salary and service costs, which tend to fluctuate with changes in revenue, increased $758.4 million, or 11.1%, compared to the nine months of 2020, reflecting increases in salary and related service costs and third-party service costs of $533.0 million and $225.4 million, respectively. These increases primarily resulted from the increase in organic revenue, as well as the strengthening of most foreign currencies against the U.S. Dollar, especially the British Pound and Euro. The prior year period reflects a reduction in salary and service costs of $117.8 million related to reimbursements and tax credits from governmental programs in several countries. Occupancy and other costs, which are less directly linked to changes in revenue than salary and service costs, decreased $1.6 million, or 0.2%. For the nine months ended

26

September 30, 2021, operating profit increased $591.3 million to $1,575.4 million, operating margin increased to 15.1% from 10.5%, and EBITA margin increased to 15.7% from 11.1%. The increases in operating profit, operating margin and EBITA margin reflect the impact of the organic revenue growth, the positive impact of cost reduction actions taken in the prior year in response to the COVID-19 pandemic, and the negative impact in the prior year period from the net increase in operating expenses recorded in the second quarter of 2020 aggregating $160.1 million, related to the COVID-19 repositioning costs, partially offset by the benefit related to reimbursements and tax credits from governmental programs. Additionally, operating profit, operating margin and EBITA margin for the nine months of 2021 were favorably impacted by the $50.5 million gain recorded in connection with the sale of ICON.

Net Interest Expense

Net interest expense in the nine months of 2021 increased $23.2 million period-over-period to $164.7 million. Interest expense on debt in the nine months of 2021 increased $15.9 million to $167.4 million compared to the prior year period, primarily arising from a loss of $26.6 million on the early redemption in May 2021 of all the outstanding $1.250 billion of 2022 Notes, which was partially offset by the benefit from the issuance of $800 million of 2031 Notes at a lower rate. The impact of this refinancing activity reduced our leverage that increased in the second quarter of 2020 from the issuance of the $600 million of 2030 Notes, to increase our liquidity in response to the COVID-19 pandemic (see Note 5 to the unaudited consolidated financial statements). Interest income in the nine months of 2021 decreased $5.0 million period-over-period to $20.1 million.

Income Taxes

Our effective tax rate for the nine months ended September 30, 2021 decreased period-over-period to 25.2% from 28.5%. In connection with the sale of ICON in the second quarter of 2021, we recorded a pre-tax gain of $50.5 million. The lower effective tax rate for 2021 was predominantly the result of a nominal tax applied against the book gain on the sale of ICON resulting from excess tax over book basis. In addition, in the third quarter of 2021, income tax expense was reduced by $11.7 million primarily from the favorable settlements of uncertain tax positions in certain jurisdictions. Our effective tax rate for the nine months ended September 30, 2021 would have been in line with our expectations except for these items.

Net Income and Net Income Per Share - Omnicom Group Inc.

Net income - Omnicom Group Inc. in the nine months of 2021 increased $444.3 million to $991.6 million from $547.3 million in the nine months of 2020. The period-over-period increase is due to the factors described above. Diluted net income per share - Omnicom Group Inc. increased to $4.58 in the nine months of 2021, compared to $2.53 in the nine months of 2020, due to the factors described above, as well as the impact of the reduction in our weighted average common shares outstanding resulting from the resumption of repurchases of our common stock during the year, net of shares issued for restricted stock awards, stock option exercises and the employee stock purchase plan.

The combined effect of the after-tax gain from the sale of ICON and the loss on the early redemption of the 2022 Notes increased net income - Omnicom Group Inc. for the nine months of 2021 by $31.0 million and increased diluted net income per share - Omnicom Group Inc. for the nine months of 2021 by $0.14. The net after-tax effect on net income - Omnicom Group Inc. in 2020 from the COVID-19 repositioning costs, decreased net income - Omnicom Group Inc. for the nine months of 2020 by $223.1 million and decreased diluted net income per share - Omnicom Group Inc. for the nine months of 2020 by $1.03.

CRITICAL ACCOUNTING POLICIES

For a more complete understanding of our accounting policies, the unaudited consolidated financial statements and the related Management’s Discussion and Analysis of Financial Condition and Results of Operations, readers are encouraged to consider this information together with our discussion of our critical accounting policies under the heading “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2020 10-K.

Acquisitions and Goodwill

We have made and expect to continue to make selective acquisitions. The evaluation of potential acquisitions is based on various factors, including specialized know-how, reputation, geographic coverage, competitive position and service offerings of the target businesses, as well as our experience and judgment.

Our acquisition strategy is focused on acquiring the expertise of an assembled workforce in order to continue to build upon the core capabilities of our various strategic business platforms and agency brands through the expansion of their geographic reach or their service capabilities to better serve our clients. Additional key factors we consider include the competitive position and specialized know-how of the acquisition targets. Accordingly, as is typical in most service businesses, a substantial portion of the assets we acquire are intangible assets primarily consisting of the know-how of the personnel, which is treated as part of goodwill and is not required to be valued separately under U.S. GAAP. For each acquisition, we undertake a detailed review to identify other intangible assets that are required to be valued separately. A significant portion of the identifiable intangible assets acquired is derived from customer relationships, including the related customer contracts, as well as trade names. In valuing these identified intangible assets, we typically use an income approach and consider comparable market participant measurements.

27

We evaluate goodwill for impairment at least annually at the end of the second quarter of the year and whenever events or circumstances indicate the carrying value may not be recoverable. Under FASB ASC Topic 350, Intangibles - Goodwill and Other, we have the option of either assessing qualitative factors to determine whether it is more-likely-than-not that the carrying value of our reporting units exceeds their respective fair value or proceeding directly to the goodwill impairment test. We performed the annual impairment test and compared the fair value of each of our reporting units to its respective carrying value, including goodwill. During the second quarter of 2021, we reorganized the management of one of our agency networks, effectively combining certain practice areas into a new reporting unit that primarily comprises our Omnicom Public Relations Group practice area. As a result of the reorganization, the number of operating segments increased from five to six in 2021. We identified our regional reporting units as components of our operating segments, which are our six global agency networks. The regional reporting units of each agency network are responsible for the agencies in their region. They report to the segment managers and facilitate the administrative and logistical requirements of our key client matrix organization structure for delivering services to clients in their regions. We have concluded that for each of our operating segments, their regional reporting units have similar economic characteristics and should be aggregated for purposes of testing goodwill for impairment at the operating segment level. Our conclusion was based on a detailed analysis of the aggregation criteria set forth in FASB ASC Topic 280, Segment Reporting, and in FASB ASC Topic 350. Consistent with our fundamental business strategy, the agencies within our regional reporting units serve similar clients in similar industries, and in many cases the same clients. In addition, the agencies within our regional reporting units have similar economic characteristics. The main economic components of each agency are employee compensation and related costs and direct service costs and occupancy and other costs, which include rent and occupancy costs, technology costs that are generally limited to personal computers, servers and off-the-shelf software and other overhead expenses. Finally, the expected benefits of our acquisitions are typically shared by multiple agencies in various regions as they work together to integrate the acquired agency into our virtual client network strategy.

Goodwill Impairment Review - Estimates and Assumptions

We use the following valuation methodologies to determine the fair value of our reporting units: (1) the income approach, which utilizes discounted expected future cash flows, (2) comparative market participant multiples for EBITDA (earnings before interest, taxes, depreciation and amortization) and (3) when available, consideration of recent and similar acquisition transactions.

In applying the income approach, we use estimates to derive the discounted expected cash flows (“DCF”) for each reporting unit that serves as the basis of our valuation. These estimates and assumptions include revenue growth and operating margin, EBITDA, tax rates, capital expenditures, weighted average cost of capital and related discount rates and expected long-term cash flow growth rates. All of these estimates and assumptions are affected by conditions specific to our businesses, economic conditions related to the industry we operate in, as well as conditions in the global economy. The assumptions that have the most significant effect on our valuations derived using a DCF methodology are: (1) the expected long-term growth rate of our reporting units' cash flows and (2) the weighted average cost of capital (“WACC”) for each reporting unit.

At June 30, 2021 we adjusted our assumptions to reflect the economic conditions in light of the impact on our business related to the COVID-19 pandemic.

The assumptions used for the long-term growth rate and WACC in our evaluations as of June 30, 2021 and 2020 were:

	2021	2020
Long-Term Growth Rate	3.5%	3.0%
WACC	9.8% - 10.4%	10.6% - 10.8%

Long-term growth rate represents our estimate of the long-term growth rate for our industry and the markets of the global economy we operate in. For the past ten years, the average historical revenue growth rate of our reporting units and the Average Nominal GDP, or NGDP, growth of the countries comprising the major markets that account for substantially all of our revenue was approximately 3.2% and 3.4%, respectively. We considered this history when determining the long-term growth rates used in our annual impairment test at June 30, 2021, and included in the 10-year history is the full year 2020 that reflected the impact of the COVID-19 pandemic on the global economy. We believe marketing expenditures over the long term have a high correlation to NGDP. Based on our historical performance, we also believe that our long-term growth rate will exceed NGDP growth in the short-term in the markets we operate in, which are similar across our reporting units. Accordingly, for our annual test as of June 30, 2021, we used an estimated long-term growth rate of 3.5%.

When performing the annual impairment test as of June 30, 2021 and estimating the future cash flows of our reporting units, we considered the current macroeconomic environment, as well as industry and market specific conditions at mid-year 2021. In the first half of 2021, our revenue increased 10.0%, which excluded our net disposition activity and the impact from changes in foreign exchange rates.

The WACC is comprised of: (1) a risk-free rate of return, (2) a business risk index ascribed to us and to companies in our industry comparable to our reporting units based on a market derived variable that measures the volatility of the share price of equity securities relative to the volatility of the overall equity market, (3) an equity risk premium that is based on the rate of return

28

on equity of publicly traded companies with business characteristics comparable to our reporting units, and (4) a current after-tax market rate of return on debt of companies with business characteristics similar to our reporting units, each weighted by the relative market value percentages of our equity and debt.

Our six reporting units vary in size with respect to revenue and the amount of debt allocated to them. These differences drive variations in fair value among our reporting units. In addition, these differences as well as differences in book value, including goodwill, cause variations in the amount by which fair value exceeds book value among the reporting units. The reporting unit goodwill balances and debt vary by reporting unit primarily because our three legacy agency networks were acquired at the formation of Omnicom and were accounted for as a pooling of interests that did not result in any additional debt or goodwill being recorded. The remaining three agency networks were built through a combination of internal growth and acquisitions that were accounted for using the acquisition method and as a result, they have a relatively higher amount of goodwill and debt. Finally, the allocation of goodwill when components are transferred between reporting units is based on relative fair value at the time of transfer.

Goodwill Impairment Review - Conclusion

Based on the results of our impairment test, we concluded that our goodwill at June 30, 2021 was not impaired, because the fair value of each of our reporting units was in excess of its respective net book value. For our reporting units with negative book value, we concluded that the fair value of their total assets was in excess of book value. The minimum decline in fair value that one of our reporting units would need to experience in order to fail the goodwill impairment test was approximately 34%. Notwithstanding our belief that the assumptions we used for WACC and long-term growth rate in our impairment testing were reasonable, we performed a sensitivity analysis for each of our reporting units. The results of this sensitivity analysis on our impairment test as of June 30, 2021 revealed that if the WACC increased by 1% and/or the long-term growth rate decreased by 1%, the fair value of each of our reporting units would continue to be in excess of its respective net book value and would pass the impairment test.

We will continue to perform our impairment test at the end of the second quarter of each year unless events or circumstances trigger the need for an interim impairment test. The estimates used in our goodwill impairment test do not constitute forecasts or projections of future results of operations, but rather are estimates and assumptions based on historical results and assessments of macroeconomic factors affecting our reporting units as of the valuation date. We believe that our estimates and assumptions are reasonable, but they are subject to change from period to period. Actual results of operations and other factors will likely differ from the estimates used in our discounted cash flow valuation, and it is possible that differences could be significant. A change in the estimates we use could result in a decline in the estimated fair value of one or more of our reporting units from the amounts derived as of our latest valuation and could cause us to fail our goodwill impairment test if the estimated fair value for the reporting unit is less than the carrying value of the net assets of the reporting unit, including its goodwill. A large decline in estimated fair value of a reporting unit could result in a non-cash impairment charge and may have an adverse effect on our results of operations and financial condition.

NEW ACCOUNTING STANDARDS

Note 1 to the unaudited consolidated financial statements provides information regarding new accounting standards.

LIQUIDITY AND CAPITAL RESOURCES

Cash Sources and Requirements

Our primary liquidity sources are our operating cash flow and cash and cash equivalents. Additional liquidity sources include our $2.5 billion multi-currency revolving credit facility, or Credit Facility, maturing on February 14, 2025, uncommitted credit lines aggregating $915.6 million, and the ability to issue up to $2 billion of commercial paper and access the capital markets. Our liquidity funds our non-discretionary cash requirements and our discretionary spending.

Borrowings under the Credit Facility may use LIBOR as the benchmark interest rate. The LIBOR benchmark rate is expected to be phased out by the end of June 2023. We do not expect that the discontinuation of the LIBOR rate will have a material impact on our liquidity or results of operations.

Working capital is our principal non-discretionary funding requirement. Our typical working capital cycle results in a short-term funding requirement that normally peaks during the second quarter of the year due to the timing of payments for incentive compensation, income taxes and contingent purchase price obligations. In addition, we have contractual obligations related to our long-term debt (principal and interest payments), recurring business operations, primarily related to lease obligations, and contingent purchase price obligations (earn-outs) from acquisitions. Our principal discretionary cash spending includes dividend payments to common shareholders, capital expenditures, strategic acquisitions and repurchases of our common stock.

Cash and cash equivalents decreased $1,169.3 million from December 31, 2020. During the first nine months of 2021, we generated $238.6 million of cash in operating activities, which included the use for operating capital of $1,010.7 million, primarily related to our typical working capital requirement during the period and the impact of foreign exchange rate changes, as compared to the prior year period. Our discretionary spending for the first nine months of 2021 was $866.6 million as compared

29

to $851.0 million for the first nine months of 2020. Discretionary spending for the first nine months of 2021 is comprised of: capital expenditures of $42.6 million; dividends paid to common shareholders of $443.0 million; dividends paid to shareholders of noncontrolling interests of $69.8 million; repurchases of our common stock, net of proceeds from stock option exercises and related tax benefits and common stock sold to our employee stock purchase plan, of $264.7 million; and net acquisition payments, including payment of contingent purchase price obligations and acquisition of additional shares of noncontrolling interests of $46.5 million. In addition, the impact of foreign exchange rate changes reduced cash and cash equivalents by $117.6 million. We are in the process of closing on several acquisitions, which will not have a material impact on our liquidity.

Cash Management

Our regional treasury centers in North America, Europe and Asia manage our cash and liquidity. Each day, operations with excess funds invest those funds with their regional treasury center. Likewise, operations that require funds borrow from their regional treasury center. Treasury centers with excess cash invest on a short-term basis with third parties, generally with maturities ranging from overnight to less than 90 days. Certain treasury centers have notional pooling arrangements that are used to manage their cash and set-off foreign exchange imbalances. The arrangements require each treasury center to have its own notional pool account and to maintain a notional positive account balance. Additionally, under the terms of the arrangement, set-off of foreign exchange positions are limited to the long and short positions within their own account. To the extent that our treasury centers require liquidity, they have the ability to issue up to a total of $2 billion of U.S. Dollar-denominated commercial paper or borrow under the Credit Facility, or the uncommitted credit lines. This process enables us to manage our debt more efficiently and utilize our cash more effectively, as well as manage our risk to foreign exchange rate imbalances. In countries where we either do not conduct treasury operations or it is not feasible for one of our treasury centers to fund net borrowing requirements on an intercompany basis, we arrange for local currency uncommitted credit lines. We have a policy governing counterparty credit risk with financial institutions that hold our cash and cash equivalents and we have deposit limits for each institution. In countries where we conduct treasury operations, generally the counterparties are either branches or subsidiaries of institutions that are party to the Credit Facility. These institutions generally have credit ratings equal to or better than our credit ratings. In countries where we do not conduct treasury operations, all cash and cash equivalents are held by counterparties that meet specific minimum credit standards

At September 30, 2021, our foreign subsidiaries held approximately $2.0 billion of our total cash and cash equivalents of $4.4 billion. Most of the cash is available to us, net of any foreign withholding taxes payable upon repatriation to the United States.

At September 30, 2021, our net debt position, which we define as total debt, including short-term debt, less cash and cash equivalents increased to $850.7 million as compared to $210.7 million at December 31, 2020. The increase in net debt primarily resulted from the use of cash of $1,010.7 million for operating capital principally related to our typical working capital requirements during the period. In addition, the impact of foreign exchange rate changes decreased cash and cash equivalents by $117.6 million, as compared to December 31, 2020. Net debt decreased $1.7 billion from $2.5 billion at September 30, 2020 due to conservative management of our cash during the COVID-19 pandemic and the impact of our refinancing activity in the second quarter of 2021 discussed below.

The components of net debt were (in millions):

	September 30, 2021		December 31, 2020		September 30, 2020
Short-term debt	$	10.2	$	3.9	$	23.6
Long-term debt	5,271.7		5,807.3		5,761.5
Total debt	5,281.9		5,811.2		5,785.1
Less: Cash and cash equivalents and short-term investments	4,431.2		5,600.5		3,278.3
Net debt	$	850.7	$	210.7	$	2,506.8

In May 2021, we issued $800 million of 2031 Notes. The net proceeds from the issuance, after deducting the underwriting discount and offering expenses, were $791.7 million. The net proceeds plus cash on hand were used to redeem all the outstanding $1.250 billion of 2022 Notes in May 2021. In connection with the redemption of the 2022 Notes, we recorded a loss on extinguishment of $26.6 million in interest expense. The impact of this refinancing activity reduced our leverage that had increased from the issuance of $600 million of 2030 Notes in the second quarter of 2020 to increase our liquidity in response to the COVID-19 pandemic, and is expected to result in lower interest expense for the remainder of 2021 as compared to the prior year periods.

Net debt is a Non-GAAP liquidity measure. This presentation, together with the comparable U.S. GAAP liquidity measures, reflects one of the key metrics used by us to assess our cash management. Non-GAAP liquidity measures should not be considered in isolation from, or as a substitute for, financial information presented in compliance with U.S. GAAP. Non-GAAP liquidity measures as reported by us may not be comparable to similarly titled amounts reported by other companies.

30

Debt Instruments and Related Covenants

Our 2.45% Senior Notes issued in February 2020, the 4.20% Senior Notes issued in April 2020 and the 2.60% Senior Notes issued in April 2021 are senior unsecured obligations of Omnicom that rank equal in right of payment with all existing and future unsecured senior indebtedness.

Omnicom and its wholly owned finance subsidiary, Omnicom Capital Inc., or OCI, are co-obligors under the 3.65% Senior Notes and the 3.60% Senior Notes. These notes are a joint and several liability of Omnicom and OCI, and Omnicom unconditionally guarantees OCI’s obligations with respect to the notes. OCI provides funding for our operations by incurring debt and lending the proceeds to our operating subsidiaries. OCI’s assets primarily consist of cash and cash equivalents and intercompany loans made to our operating subsidiaries, and the related interest receivable. There are no restrictions on the ability of OCI or Omnicom to obtain funds from our subsidiaries through dividends, loans or advances. Such notes are senior unsecured obligations that rank equal in right of payment with all existing and future unsecured senior indebtedness.

Omnicom and OCI have, jointly and severally, fully and unconditionally guaranteed OFHP’s obligations with respect to the Euro denominated notes due 2027 and 2031. OFHP’s assets consist of its investments in several wholly owned finance companies that function as treasury centers that provide funding for various operating companies in Europe, Brazil, Australia and other countries in the Asia-Pacific region. The finance companies’ assets consist of cash and cash equivalents and intercompany loans that they make or have made to the operating companies in their respective regions and the related interest receivable. There are no restrictions on the ability of Omnicom, OCI or OFHP to obtain funds from their subsidiaries through dividends, loans or advances. The Euro denominated notes and the related guarantees are senior unsecured obligations that rank equal in right of payment with all existing and future unsecured senior indebtedness of OFHP and each of Omnicom and OCI, respectively.

Note 5 to the unaudited consolidated financial statements provides information regarding our debt instruments.

The Credit Facility contains a financial covenant that requires us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA (earnings before interest, taxes, depreciation, amortization and non-cash charges) of no more than 3.5 times for the most recently ended 12-month period. In October 2020, we amended the Credit Facility to increase the maximum Leverage Ratio to 4.0 times through December 31, 2021. At September 30, 2021, we were in compliance with this covenant as our Leverage Ratio was 2.2 times. The Credit Facility does not limit our ability to declare or pay dividends or repurchase our common stock.

At September 30, 2021, our long-term and short-term debt was rated BBB+ and A2 by S&P and Baa1 and P2 by Moody's. Our access to the commercial paper market and the cost of these borrowings are affected by market conditions and our credit ratings. Our long-term debt and Credit Facility do not contain provisions that require acceleration of cash payments in the event of a downgrade in our credit ratings.

Credit Markets and Availability of Credit

In light of the uncertainty of future economic conditions, we will continue to take actions available to us to respond to changing economic conditions, and we will continue to actively manage our discretionary expenditures. We will continue to monitor and manage the level of credit made available to our clients. We believe that these actions, in addition to the availability of our Credit Facility, are sufficient to fund our near-term working capital needs and our discretionary spending. Note 5 to the unaudited consolidated financial statements provides information regarding our credit facilities.

We have typically funded our day-to-day liquidity by issuing commercial paper. Beginning in the third quarter of 2020 and continuing through the second quarter of 2021, we substantially reduced our commercial paper issuances as compared to the prior year periods primarily as a result of the issuance of $600 million of 2030 Notes. Additional liquidity sources include our Credit Facility and the uncommitted credit lines.

Commercial paper activity was (dollars in millions):

	Three Months Ended September 30,
	2021			2020
Average amount outstanding during the quarter	$	2.7		$	29.0
Maximum amount outstanding during the quarter	$	250.0		$	167.0
Average days outstanding	1.0			5.8
Weighted average interest rate	0.15		%	0.22		%

We expect to continue issuing commercial paper to fund our day-to-day liquidity when needed. However, disruptions in the credit markets may lead to periods of illiquidity in the commercial paper market and higher credit spreads. To mitigate any disruption in the credit markets and to fund our liquidity, we may borrow under the Credit Facility or the uncommitted credit lines or access the capital markets if favorable conditions exist. We will continue to monitor closely our liquidity and conditions in the credit markets. We cannot predict with any certainty the impact on us of any disruptions in the credit markets. In such

31

circumstances, we may need to obtain additional financing to fund our day-to-day working capital requirements. Such additional financing may not be available on favorable terms, or at all.

CREDIT RISK

We provide advertising, marketing and corporate communications services to several thousand clients that operate in nearly every sector of the global economy and we grant credit to qualified clients in the normal course of business. Due to the diversified nature of our client base, we do not believe that we are exposed to a concentration of credit risk as our largest client represented 3.1% of revenue for the twelve months ended September 30, 2021. However, during periods of economic downturn, the credit profiles of our clients could change.

In the normal course of business, our agencies enter into contractual commitments with media providers and production companies on behalf of our clients at levels that can substantially exceed the revenue from our services. These commitments are included in accounts payable when the services are delivered by the media providers or production companies. If permitted by local law and the client agreement, many of our agencies purchase media and production services for our clients as an agent for a disclosed principal. In addition, while operating practices vary by country, media type and media vendor, in the United States and certain foreign markets, many of our agencies’ contracts with media and production providers specify that our agencies are not liable to the media and production providers under the theory of sequential liability until and to the extent we have been paid by our client for the media or production services.

Where purchases of media and production services are made by our agencies as a principal or are not subject to the theory of sequential liability, the risk of a material loss as a result of payment default by our clients could increase significantly and such a loss could have a material adverse effect on our business, results of operations and financial position.

In addition, our methods of managing the risk of payment default, including obtaining credit insurance, requiring payment in advance, mitigating the potential loss in the marketplace or negotiating with media providers, may be less available or unavailable during a severe economic downturn.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We manage our exposure to foreign exchange and interest rate risk through various strategies, including the use of derivative financial instruments. We use forward foreign exchange contracts as economic hedges to manage the cash flow volatility arising from foreign exchange rate fluctuations. We may use interest rate swaps to manage our interest expense and structure our long-term debt portfolio to achieve a mix of fixed rate and floating rate debt. We do not use derivatives for trading or speculative purposes. Using derivatives exposes us to the risk that counterparties to the derivative contracts will fail to meet their contractual obligations. We manage that risk through careful selection and ongoing evaluation of the counterparty financial institutions based on specific minimum credit standards and other factors.

Our 2020 10-K provides a detailed discussion of the market risks affecting our operations. No material change has occurred in our market risks since the disclosure contained in our 2020 10-K.

ITEM 4. CONTROLS AND PROCEDURES

We maintain disclosure controls and procedures designed to ensure that information required to be disclosed in reports we file with the SEC is recorded, processed, summarized and reported within applicable time periods. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by us in the reports we file or submit under the Securities Exchange Act of 1934, as amended, or the Exchange Act, is accumulated and communicated to management, including our Chief Executive Officer, or CEO, and Chief Financial Officer, or CFO, as appropriate to allow timely decisions regarding required disclosure. Management, including our CEO and CFO, conducted an evaluation of the effectiveness of our disclosure controls and procedures as of September 30, 2021. Based on that evaluation, our CEO and CFO concluded that, as of September 30, 2021, our disclosure controls and procedures are effective to ensure that decisions can be made timely with respect to required disclosures, as well as ensuring that the recording, processing, summarization and reporting of information required to be included in our Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 are appropriate.

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rule 13a-15(f). Management, with the participation of our CEO, CFO and our agencies, conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on that evaluation, our CEO and CFO concluded that our internal control over financial reporting was effective as of September 30, 2021. There have not been any changes in our internal control over financial reporting during our most recent fiscal quarter that have materially affected or are reasonably likely to materially affect our internal control over financial reporting.

32

KPMG LLP, an independent registered public accounting firm that audited our consolidated financial statements included in our 2020 10-K, has issued an attestation report on Omnicom’s internal control over financial reporting as of December 31, 2020, dated February 18, 2021.

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

In the ordinary course of business, we are involved in various legal proceedings. We do not presently expect that these proceedings will have a material adverse effect on our results of operations or financial position.

Item 1A. Risk Factors

There have been no material changes to the risk factors disclosed in Item 1A in our 2020 10-K.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

Common stock repurchases during the three months ended September 30, 2021 were:

Period	Total Number of Shares Purchased	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs
July 1 - July 31, 2021	512,440	$	77.20	—	—
August 1 - August 31, 2021	1,032,703	73.52		—	—
September 1 - September 30, 2021	760,297	73.20		—	—
	2,305,440	$	74.23	—	—

During the three months ended September 30, 2021, we purchased 2,046,960 shares of our common stock in the open market for general corporate purposes, and we withheld 258,480 shares from employees to satisfy estimated statutory income tax obligations related to the vesting of restricted stock awards. The value of the common stock withheld was based on the closing price of our common stock on the applicable exercise and vesting dates.

Item 6. Exhibits

10.1	Employment Agreement dated as of July 21, 2021 by and between Omnicom Management Inc. and John D. Wren (Exhibit 10.1 to our Current Report on Form 8-K (File No. 1-10551) filed on July 23, 2021 and incorporated herein by reference).
31.1	Certification of the Chairman and Chief Executive Officer required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
31.2	Certification of the Executive Vice President and Chief Financial Officer required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
32	Certification of the Chairman and Chief Executive Officer and the Executive Vice President and Chief Financial Officer required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended, and 18 U.S.C. Section 1350.
101.INS	Inline XBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document)
101.SCH	Inline XBRL Taxonomy Extension Schema Document
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104	Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		OMNICOM GROUP INC.
Date:	October 20, 2021	/s/ PHILIP J. ANGELASTRO
		Philip J. Angelastro Executive Vice President and Chief Financial Officer (Principal Financial Officer and Authorized Signatory)

33

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, John D. Wren, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 of Omnicom Group Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	October 20, 2021	/s/ JOHN D. WREN
		John D. Wren Chairman and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Philip J. Angelastro, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 of Omnicom Group Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	October 20, 2021	/s/ PHILIP J. ANGELASTRO
		Philip J. Angelastro Executive Vice President and Chief Financial Officer

EX-32

EXHIBIT 32

CERTIFICATION

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in connection with the filing of Omnicom Group Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of Omnicom Group Inc. certifies that, to such officer's knowledge:

•the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

•the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Omnicom Group Inc. as of the dates and for the periods expressed in the Report.

Date:	October 20, 2021
			/s/ JOHN D. WREN
		Name:	John D. Wren
		Title:	Chairman and Chief Executive Officer

	/s/ PHILIP J. ANGELASTRO
Name:	Philip J. Angelastro
Title:	Executive Vice President and Chief Financial Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent that Omnicom Group Inc. specifically incorporates it by reference.

XML

Cover - shares	9 Months Ended
	Sep. 30, 2021	Oct. 13, 2021
Entity Listings [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2021
Entity File Number	1-10551
Entity Registrant Name	OMNICOM GROUP INC.
Entity Incorporation, State or Country Code	NY
Entity Tax Identification Number	13-1514814
Entity Address, Address Line One	280 Park Avenue
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10017
City Area Code	212
Local Phone Number	415-3600
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		212,558,522
Entity Central Index Key	0000029989
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Document Transition Report	false
Amendment Flag	false
Common Stock, $0.15 Par Value
Entity Listings [Line Items]
Title of 12(b) Security	Common Stock, $0.15 Par Value
Trading Symbol	OMC
Security Exchange Name	NYSE
0.800% Senior Notes due 2027
Entity Listings [Line Items]
Title of 12(b) Security	0.800% Senior Notes due 2027
Trading Symbol	OMC/27
Security Exchange Name	NYSE
1.400% Senior Notes due 2031
Entity Listings [Line Items]
Title of 12(b) Security	1.400% Senior Notes due 2031
Trading Symbol	OMC/31
Security Exchange Name	NYSE

XML

Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 4,431.2	$ 5,600.5
Accounts receivable, net of allowance for doubtful accounts of $20.8 and $30.4	7,186.2	7,813.4
Work in process	1,249.6	1,101.2
Other current assets	896.0	1,075.0
Total Current Assets	13,763.0	15,590.1
Property and Equipment at cost, less accumulated depreciation of $1,169.1 and $1,156.7	542.8	585.2
Operating Lease Right-Of-Use Assets	1,100.1	1,223.4
Equity Method Investments	77.8	85.3
Goodwill	9,601.5	9,609.7
Intangible Assets, net of accumulated amortization of $844.4 and $817.2	278.1	298.5
Other Assets	217.5	255.0
TOTAL ASSETS	25,580.8	27,647.2
Current Liabilities:
Accounts payable	9,953.8	11,513.0
Customer advances	1,325.8	1,361.3
Short-term debt	10.2	3.9
Taxes payable	214.9	244.5
Other current liabilities	2,320.5	2,402.4
Total Current Liabilities	13,825.2	15,525.1
Long-Term Liabilities	992.8	970.7
Long-Term Liability - Operating Leases	991.0	1,114.0
Long-Term Debt	5,271.7	5,807.3
Deferred Tax Liabilities	468.3	443.5
Commitments and Contingent Liabilities (Note 12)
Temporary Equity - Redeemable Noncontrolling Interests	280.0	209.7
Shareholders’ Equity:
Preferred stock	0.0	0.0
Common stock	44.6	44.6
Additional paid-in capital	708.6	747.8
Retained earnings	8,730.0	8,190.6
Accumulated other comprehensive income (loss)	(1,307.9)	(1,213.8)
Treasury stock, at cost	(4,896.3)	(4,684.8)
Total Shareholders’ Equity	3,279.0	3,084.4
Noncontrolling interests	472.8	492.5
Total Equity	3,751.8	3,576.9
TOTAL LIABILITIES AND EQUITY	$ 25,580.8	$ 27,647.2

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Consolidated Balance Sheets (Parenthetical) [Abstract]
Allowance for doubtful accounts	$ 20.8	$ 30.4
Accumulated depreciation	1,169.1	1,156.7
Intangible assets, accumulated amortization	$ 844.4	$ 817.2

XML

Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenue	$ 3,435.0	$ 3,206.5	$ 10,433.6	$ 9,414.1
Salary and service costs	2,461.8	2,287.1	7,609.9	6,851.5
Occupancy and other costs	285.5	273.1	871.0	872.6
Gain on disposition of subsidiary	0.0	0.0	(50.5)	0.0
COVID-19 repositioning costs	0.0	0.0	0.0	277.9
Cost of services	2,747.3	2,560.2	8,430.4	8,002.0
Selling, general and administrative expenses	95.0	90.2	269.9	259.2
Depreciation and amortization	51.1	54.7	157.9	168.8
Operating Expenses	2,893.4	2,705.1	8,858.2	8,430.0
Operating Profit	541.6	501.4	1,575.4	984.1
Interest Expense	50.7	54.4	184.8	166.6
Interest Income	7.0	5.9	20.1	25.1
Income Before Income Taxes and Income (Loss) From Equity Method Investments	497.9	452.9	1,410.7	842.6
Income Tax Expense	120.0	120.9	355.1	240.2
Income (Loss) From Equity Method Investments	2.2	2.9	2.1	(10.1)
Net Income	380.1	334.9	1,057.7	592.3
Net Income Attributed To Noncontrolling Interests	24.5	21.6	66.1	45.0
Net Income - Omnicom Group Inc.	$ 355.6	$ 313.3	$ 991.6	$ 547.3
Net Income Per Share - Omnicom Group Inc.:
Basic	$ 1.66	$ 1.45	$ 4.61	$ 2.54
Diluted	$ 1.65	$ 1.45	$ 4.58	$ 2.53

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 380.1	$ 334.9	$ 1,057.7	$ 592.3
Cash flow hedge:
Amortization of loss included in interest expense	1.3	1.3	4.2	4.1
Income tax effect	(0.4)	(0.4)	(1.2)	(1.2)
Other comprehensive income (loss), Cash flow hedge	0.9	0.9	3.0	2.9
Defined benefit pension plans and postemployment arrangements:
Amortization of prior service cost	1.1	1.2	3.6	3.7
Amortization of actuarial losses	3.4	1.8	9.9	5.6
Income tax effect	(1.7)	(0.6)	(5.1)	(2.6)
Other comprehensive income (loss), Defined benefit pension plans and postemployment arrangements	2.8	2.4	8.4	6.7
Foreign currency translation adjustment	(132.2)	78.1	(121.1)	(210.3)
Other Comprehensive Income (Loss)	(128.5)	81.4	(109.7)	(200.7)
Comprehensive Income	251.6	416.3	948.0	391.6
Comprehensive Income Attributed To Noncontrolling Interests	16.5	27.0	50.5	27.3
Comprehensive Income - Omnicom Group Inc.	$ 235.1	$ 389.3	$ 897.5	$ 364.3

XML

Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Shareholders’ Equity	Noncontrolling Interests
Beginning Balance at Dec. 31, 2019			$ 760.9	$ 7,806.3	$ (1,197.6)	$ (4,560.3)		$ 519.8
Net Income	$ 592.3			547.3				45.0
Other comprehensive income (loss)	(200.7)				(183.0)			(17.7)
Dividends to noncontrolling interests								(57.7)
Acquisition of noncontrolling interests			10.4					(37.0)
Increase in noncontrolling interests from business combinations								30.7
Change in temporary equity			(8.1)
Common stock dividends declared				(421.0)
Share-based compensation			52.5
Stock issued, share-based compensation			(73.9)			79.8
Common stock repurchased						(219.1)
Ending Balance at Sep. 30, 2020	$ 3,121.9	$ 44.6	741.8	7,932.6	(1,380.6)	(4,699.6)	$ 2,638.8	483.1
Dividends Declared Per Common Share	$ 1.95
Beginning Balance at Jun. 30, 2020			801.2	7,759.3	(1,456.6)	(4,735.5)		448.4
Net Income	$ 334.9			313.3				21.6
Other comprehensive income (loss)	81.4				76.0			5.4
Dividends to noncontrolling interests								(22.5)
Acquisition of noncontrolling interests			0.5					(0.5)
Increase in noncontrolling interests from business combinations								30.7
Change in temporary equity			(28.7)
Common stock dividends declared				(140.0)
Share-based compensation			17.6
Stock issued, share-based compensation			(48.8)			49.8
Common stock repurchased						(13.9)
Ending Balance at Sep. 30, 2020	$ 3,121.9	$ 44.6	741.8	7,932.6	(1,380.6)	(4,699.6)	2,638.8	483.1
Dividends Declared Per Common Share	$ 0.65
Common Stock, shares issued		297.2
Beginning Balance at Dec. 31, 2020	$ 3,576.9		747.8	8,190.6	(1,213.8)	(4,684.8)		492.5
Net Income	1,057.7			991.6				66.1
Other comprehensive income (loss)	(109.7)				(94.1)			(15.6)
Dividends to noncontrolling interests								(69.8)
Acquisition of noncontrolling interests			26.2					(37.7)
Increase in noncontrolling interests from business combinations								37.3
Change in temporary equity			(73.0)
Common stock dividends declared				(452.2)
Share-based compensation			57.8
Stock issued, share-based compensation			(50.2)			61.7
Common stock repurchased						(273.2)
Ending Balance at Sep. 30, 2021	$ 3,751.8	$ 44.6	708.6	8,730.0	(1,307.9)	(4,896.3)	3,279.0	472.8
Dividends Declared Per Common Share	$ 2.10
Beginning Balance at Jun. 30, 2021			735.4	8,523.7	(1,187.5)	(4,767.4)		488.1
Net Income	$ 380.1			355.6				24.5
Other comprehensive income (loss)	(128.5)				(120.4)			(8.0)
Dividends to noncontrolling interests								(31.2)
Acquisition of noncontrolling interests			0.3					(0.6)
Increase in noncontrolling interests from business combinations								0.0
Change in temporary equity			(6.0)
Common stock dividends declared				(149.3)
Share-based compensation			18.7
Stock issued, share-based compensation			(39.8)			42.2
Common stock repurchased						(171.1)
Ending Balance at Sep. 30, 2021	$ 3,751.8	$ 44.6	$ 708.6	$ 8,730.0	$ (1,307.9)	$ (4,896.3)	$ 3,279.0	$ 472.8
Dividends Declared Per Common Share	$ 0.70
Common Stock, shares issued		297.2

XML

Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash Flows from Operating Activities:
Net Income	$ 1,057.7	$ 592.3
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization of right-of-use assets	98.1	106.4
Amortization of intangible assets	59.8	62.4
Amortization of net deferred gain on interest rate swaps	(10.2)	(6.8)
Share-based compensation	57.8	52.5
Gain on disposition of subsidiary	(50.5)	0.0
COVID-19 repositioning costs	0.0	277.9
Other, net	36.6	50.6
Use of operating capital	(1,010.7)	(1,796.7)
Net Cash Provided By (Used In) Operating Activities	238.6	(661.4)
Cash Flows from Investing Activities:
Capital expenditures	(42.6)	(50.0)
Acquisition of businesses and interests in affiliates, net of cash acquired	(25.9)	(65.4)
Proceeds from disposition of subsidiaries and other, net	116.6	6.3
Net Cash Provided By (Used In) Investing Activities	48.1	(109.1)
Cash Flows from Financing Activities:
Proceeds from borrowings	791.7	1,186.6
Repayment of debt	(1,250.0)	(600.0)
Change in short-term debt	6.7	13.7
Dividends paid to common shareholders	(443.0)	(422.7)
Repurchases of common stock	(273.2)	(219.1)
Proceeds from stock plans	8.5	3.1
Acquisition of additional noncontrolling interests	(6.3)	(16.9)
Dividends paid to noncontrolling interest shareholders	(69.8)	(57.7)
Payment of contingent purchase price obligations	(16.8)	(25.4)
Other, net	(86.2)	(49.1)
Net Cash Used In Financing Activities	(1,338.4)	(187.5)
Effect of foreign exchange rate changes on cash and cash equivalents	(117.6)	(69.4)
Net Decrease in Cash and Cash Equivalents	(1,169.3)	(1,027.4)
Cash and Cash Equivalents at the Beginning of Period	5,600.5	4,305.7
Cash and Cash Equivalents at the End of Period	$ 4,431.2	$ 3,278.3

XML

Presentation of Financial Statements

9 Months Ended

Sep. 30, 2021

Presentation of Financial Statements [Abstract]

Presentation of Financial Statements

Presentation of Financial Statements

The terms “Omnicom,” “the Company,” “we,” “our” and “us” each refer to Omnicom Group Inc. and its subsidiaries, unless the context indicates otherwise. The accompanying unaudited consolidated financial statements were prepared in accordance with generally accepted accounting principles in the United States, or U.S. GAAP or GAAP, for interim financial information and Article 10 of Regulation S-X of the Securities and Exchange Commission. Accordingly, certain information and footnote disclosure have been condensed or omitted.

In our opinion, the accompanying unaudited consolidated financial statements reflect all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation, in all material respects, of the information contained herein. These unaudited consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2020, or 2020 10-K. Results for the interim periods are not necessarily indicative of results that may be expected for the year.

Risks and Uncertainties - Ongoing Impact of the COVID-19 Pandemic on our Business

As the impact of the COVID-19 pandemic on the global economy continues to moderate, we experienced an improvement in our business in the third quarter of 2021 as compared to the third quarter of 2020. Revenue for the nine months ended September 30, 2021 increased $1,019.5 million, or 10.8%, compared to the nine months ended September 30, 2020. The increase in revenue primarily reflects increased client spending in all our disciplines and across all our geographic areas compared to the prior year period and the strengthening of most foreign currencies, primarily the British Pound and the Euro, against the U.S. Dollar. The increase in revenue period-over-period was partially offset by a reduction in acquisition revenue, net of disposition revenue reflecting the sale of our wholly owned subsidiary ICON International, or ICON, a specialty media business, in the second quarter of 2021.

Global economic conditions may continue to be volatile as long as the COVID-19 pandemic remains a public health threat, which could negatively impact our clients' spending plans. We expect global economic performance and the performance of our businesses to vary by geography and discipline until the impact of the COVID-19 pandemic on the global economy subsides.

Accounting Changes

On January 1, 2021, we adopted FASB ASU 2019-12, Income Taxes (Topic 740), or ASU 2019-12, which, among other things, amended the rules for recognizing deferred taxes for investments, performing intra-period tax allocations and calculating income taxes in interim periods and reduced complexity in certain areas, including the accounting for transactions that result in a step-up in the tax basis of goodwill and allocating taxes to members of a consolidated group. The adoption of ASU 2019-12 did not have a material effect on our results of operations and financial position.

XML

Revenue

9 Months Ended

Sep. 30, 2021

Revenue [Abstract]

Revenue

Revenue

Nature of our services

We provide an extensive range of advertising, marketing and corporate communications services through various client-centric networks that are organized to meet specific client objectives. Our branded networks and agencies operate in all major markets and provide services in the following fundamental disciplines: advertising, customer relationship management, or CRM, public relations, and healthcare. Advertising includes creative services, as well as strategic media planning and buying and data analytics services. Public relations services include corporate communications, crisis management, public affairs and media and media relations services. Healthcare includes advertising and media services to global healthcare clients. In an effort to better capture the expanding scope of our services, effective January 1, 2021, we realigned the classification of certain services primarily within our CRM Consumer Experience discipline. As a result, our CRM discipline has been reclassified into four categories: CRM Precision Marketing, which includes our precision marketing and digital/direct marketing agencies; CRM Commerce and Brand Consulting that is primarily comprised of Omnicom Commerce Group, including our shopper marketing businesses, and our Brand Consulting agencies; CRM Experiential, which includes our experiential marketing agencies and events businesses; and CRM Execution & Support, which includes field marketing, merchandising and point of sale, as well as other specialized marketing and custom communications services. At the core of all our services is the ability to create or develop a client’s marketing or corporate communications message into content that can be delivered to a target audience across different communications mediums. Reclassifications have been made to the prior period revenue by discipline information to conform to the current period presentation.

Revenue by discipline was (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Advertising	$	1,820.6	$	1,827.6	$	5,838.8	$	5,291.0
CRM Precision Marketing	309.4		237.1		872.4		683.1
CRM Commerce and Brand Consulting	231.3		194.2		667.4		602.8
CRM Experiential	132.7		88.1		345.1		297.9
CRM Execution & Support	258.8		235.5		756.3		702.0
Public Relations	359.4		325.6		1,022.8		957.4
Healthcare	322.8		298.4		930.8		879.9
	$	3,435.0	$	3,206.5	$	10,433.6	$	9,414.1

Economic factors affecting our revenue

Global economic conditions have a direct impact on our revenue. Adverse economic conditions pose a risk that our clients may reduce, postpone or cancel spending for our services, which would impact our revenue.

Revenue in our principal geographic markets was (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Americas:
North America	$	1,821.8	$	1,854.7	$	5,751.7	$	5,516.0
Latin America	72.5		61.6		206.1		187.8
EMEA:
Europe	1,024.3		875.0		3,009.5		2,525.9
Middle East and Africa	58.1		45.2		160.6		135.3
Asia-Pacific	458.3		370.0		1,305.7		1,049.1
	$	3,435.0	$	3,206.5	$	10,433.6	$	9,414.1

The Americas is comprised of North America, which includes the United States, Canada and Puerto Rico, and Latin America, which includes South America and Mexico. EMEA is comprised of Europe, the Middle East and Africa. Asia-Pacific includes Australia, Greater China, India, Japan, Korea, New Zealand, Singapore and other Asian countries. Revenue in the United States for the three months ended September 30, 2021 and 2020 was $1,705.2 million and $1,762.9 million, respectively, and revenue in the United States for the nine months ended September 30, 2021 and 2020 was $5,414.2 million and $5,244.7 million, respectively.

Contract assets and liabilities

Work in process includes contract assets, unbilled fees and costs, and media and production costs. Contract liabilities primarily consist of customer advances. Work in process and contract liabilities were (in millions):

	September 30, 2021		December 31, 2020		September 30, 2020
Work in process:
Contract assets and unbilled fees and costs	$	596.6	$	501.1	$	648.0
Media and production costs	653.0		600.1		526.4
	$	1,249.6	$	1,101.2	$	1,174.4
Contract liabilities:
Customer advances	$	1,325.8	$	1,361.3	$	1,129.5

Work in process represents accrued costs incurred on behalf of customers, including media and production costs, and fees and other third-party costs that have not yet been billed. Media and production costs are billed during the production process in accordance with the terms of the client contract. Contract assets primarily include incentive fees, which are not material and will be billed to clients in accordance with the terms of the client contract. Substantially all unbilled fees and costs will be billed within the next 30 days. The contract liability primarily represents advance billings to customers in accordance with the terms of the client contracts, primarily for the reimbursement of third-party costs that are generally incurred in the near term. No impairment losses to the contract assets were recorded in the three or nine months ended September 30, 2021 and 2020.

XML

Net Income (Loss) per Share

9 Months Ended

Sep. 30, 2021

Net Income per Share [Abstract]

Net Income (Loss) per Share

Net Income per ShareThe computations of basic and diluted net income per share were (in millions, except per share amounts):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net Income - Omnicom Group Inc.	$	355.6	$	313.3	$	991.6	$	547.3
Weighted Average Shares:
Basic	214.0		215.4		215.0		215.6
Dilutive stock options and restricted shares	1.4		0.4		1.4		0.6
Diluted	215.4		215.8		216.4		216.2
Anti-dilutive stock options and restricted shares	0.7		0.8		0.7		0.8
Net Income per Share - Omnicom Group Inc.:
Basic	$	1.66	$	1.45	$	4.61	$	2.54
Diluted	$	1.65	$	1.45	$	4.58	$	2.53

XML

Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Goodwill and intangible assets were (in millions):

	September 30, 2021						December 31, 2020
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Goodwill	$	10,123.9	$	(522.4)	$	9,601.5	$	10,141.6	$	(531.9)	$	9,609.7
Intangible assets:
Purchased and internally developed software	$	379.8	$	(314.6)	$	65.2	$	377.6	$	(307.0)	$	70.6
Customer related and other	742.7		(529.8)		212.9		738.1		(510.2)		227.9
	$	1,122.5	$	(844.4)	$	278.1	$	1,115.7	$	(817.2)	$	298.5

Changes in goodwill were (in millions):

	Nine Months Ended September 30,
	2021		2020
January 1	$	9,609.7	$	9,440.5
Acquisitions	6.9		46.1
Noncontrolling interests in acquired businesses	37.3		32.4
Contingent purchase price obligations of acquired businesses	88.0		—
Dispositions	(21.7)		(3.3)
Foreign currency translation	(118.7)		(77.3)
September 30	$	9,601.5	$	9,438.4

XML

Debt

9 Months Ended

Sep. 30, 2021

Debt [Abstract]

Debt

Debt

Credit Facilities

We maintain a $2.5 billion multi-currency revolving credit facility, or Credit Facility, that matures on February 14, 2025. Additionally, we have uncommitted credit lines aggregating $915.6 million and the ability to issue up to $2 billion of commercial paper. These facilities provide additional liquidity sources for operating capital and general corporate purposes. At September 30, 2021, there were no outstanding commercial paper issuances or borrowings under the Credit Facility or the uncommitted credit lines.

The Credit Facility contains a financial covenant that requires us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA (earnings before interest, taxes, depreciation, amortization and non-cash charges) of no more than 3.5 times for the most recently ended 12-month period. In October 2020, we amended the Credit Facility to increase the maximum Leverage Ratio to 4.0 times through December 31, 2021. At September 30, 2021, we were in compliance with this covenant as our Leverage Ratio was 2.2 times. The Credit Facility does not limit our ability to declare or pay dividends or repurchase our common stock.

Short-Term Debt

Short-term debt at September 30, 2021 and December 31, 2020 of $10.2 million and $3.9 million, respectively, represents bank overdrafts and short-term borrowings primarily of our international subsidiaries. Due to the short-term nature of this debt, carrying value approximates fair value.

Long-Term Debt

Long-term debt was (in millions):

	September 30, 2021		December 31, 2020
3.625% Senior Notes due 2022	$	—	$	1,250.0
3.65% Senior Notes due 2024	750.0		750.0
3.60% Senior Notes due 2026	1,400.0		1,400.0
€500 Million 0.80% Senior Notes due 2027	579.0		611.5
2.45% Senior Notes due 2030	600.0		600.0
4.20% Senior Notes due 2030	600.0		600.0
€500 Million 1.40% Senior Notes due 2031	579.0		611.5
2.60% Senior Notes due 2031	800.0		—
	5,308.0		5,823.0
Unamortized discount	(8.6)		(5.1)
Unamortized debt issuance costs	(29.3)		(27.0)
Unamortized deferred gain from settlement of interest rate swaps	1.6		16.4
Long-term debt	$	5,271.7	$	5,807.3

On May 3, 2021, we issued $800 million 2.60% Senior Notes due August 1, 2031, or 2031 Notes. The net proceeds from the issuance, after deducting the underwriting discount and offering expenses, were $791.7 million. The net proceeds plus cash on hand were used to redeem all the outstanding 3.625% Senior Notes due 2022, or 2022 Notes, in May 2021. In connection with the redemption of the 2022 Notes, we recorded a loss on extinguishment of $26.6 million in interest expense.

The 2.45% Senior Notes, the 4.20% Senior Notes and the 2.60% Senior Notes are senior unsecured obligations of Omnicom that rank equal in right of payment with all existing and future unsecured senior indebtedness.

Omnicom and its wholly owned finance subsidiary, Omnicom Capital Inc., or OCI, are co-obligors under the 3.65% Senior Notes and the 3.60% Senior Notes. These notes are a joint and several liability of Omnicom and OCI, and Omnicom unconditionally guarantees OCI’s obligations with respect to the notes. OCI provides funding for our operations by incurring debt and lending the proceeds to our operating subsidiaries. OCI’s assets primarily consist of cash and cash equivalents and intercompany loans made to our operating subsidiaries, and the related interest receivable. There are no restrictions on the ability of OCI or Omnicom to obtain funds from our subsidiaries through dividends, loans or advances. Such notes are senior unsecured obligations that rank equal in right of payment with all existing and future unsecured senior indebtedness.

Omnicom and OCI have, jointly and severally, fully and unconditionally guaranteed the obligations of Omnicom Finance Holdings plc, or OFHP, a U.K.-based wholly owned subsidiary of Omnicom, with respect to the Euro denominated notes due 2027 and 2031. OFHP’s assets consist of its investments in several wholly owned finance companies that function as treasury centers that provide funding for various operating companies in Europe, Brazil, Australia and other countries in the Asia-Pacific region. The finance companies’ assets consist of cash and cash equivalents and intercompany loans that they make or have made to the operating companies in their respective regions and the related interest receivable. There are no restrictions on the ability of Omnicom, OCI or OFHP to obtain funds from their subsidiaries through dividends, loans or advances. The Euro denominated notes and the related guarantees are senior unsecured obligations that rank equal in right of payment with all existing and future unsecured senior indebtedness of OFHP and each of Omnicom and OCI, respectively.

XML

Segment Reporting

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Segment Reporting

Segment ReportingOur branded agency networks operate in the advertising, marketing and corporate communications services industry, and are organized into agency networks, virtual client networks, regional reporting units and operating groups or practice areas. Our networks, virtual client networks and agencies increasingly share clients and provide clients with integrated services. The main economic components of each agency are employee compensation and related costs and direct service costs and occupancy and other costs which include rent and occupancy costs, technology costs and other overhead expenses. Therefore, given these similarities, we aggregate our operating segments, which are our agency networks, into one reporting segment. During the second quarter of 2021, we reorganized the management of one of our agency networks, effectively combining certain practice areas into a new reporting unit that primarily comprises our Omnicom Public Relations Group practice area. As a result of the reorganization, the number of operating segments increased from five to six in 2021.

The agency networks' regional reporting units comprise three principal regions: the Americas, EMEA and Asia-Pacific. The regional reporting units monitor the performance and are responsible for the agencies in their region. Agencies within the regional reporting units serve similar clients in similar industries and, in many cases, the same clients, and have similar economic characteristics.

Revenue and long-lived assets and goodwill by geographic region were (in millions):

	Americas		EMEA		Asia-Pacific
September 30, 2021
Revenue - Three months ended	$	1,894.3	$	1,082.4	$	458.3
Revenue - Nine months ended	5,957.8		3,170.1		1,305.7
Long-lived assets and goodwill	7,567.2		2,991.1		686.1
September 30, 2020
Revenue - Three months ended	$	1,916.3	$	920.2	$	370.0
Revenue - Nine months ended	5,703.8		2,661.2		1,049.1
Long-lived assets and goodwill	7,632.5		3,005.0		642.0

XML

Income Taxes

9 Months Ended

Sep. 30, 2021

Income Taxes [Abstract]

Income Taxes

Income Taxes

Our effective tax rate for the nine months ended September 30, 2021 decreased period-over-period to 25.2% from 28.5%. In the second quarter of 2021, we sold ICON International, or ICON, a wholly owned subsidiary. In connection with the sale, we recorded a pre-tax gain of $50.5 million. The lower effective tax rate for 2021 was predominantly the result of a nominal tax applied against the book gain on the sale of ICON resulting from excess tax over book basis. In addition, in the third quarter of 2021, income tax expense was reduced by $11.7 million, primarily from the favorable settlements of uncertain tax positions in certain jurisdictions. The effective tax rate for 2020 reflects an increase due to the non-deductibility in certain jurisdictions of a portion of the COVID-19 repositioning charges recorded in the second quarter of 2020.

At September 30, 2021, our unrecognized tax benefits were $174.6 million. Of this amount, approximately $166.9 million would affect our effective tax rate upon resolution of the uncertain tax positions.

XML

Pension and Other Postemployment Benefits

9 Months Ended

Sep. 30, 2021

Pension and Other Postemployment Benefits [Abstract]

Pension and Other Postemployment Benefits

Pension and Other Postemployment Benefits

Defined Benefit Pension Plans

The components of net periodic benefit expense were (in millions):

	Nine Months Ended September 30,
	2021		2020
Service cost	$	3.9	$	5.6
Interest cost	2.7		5.0
Expected return on plan assets	(0.8)		(0.7)
Amortization of prior service cost	0.5		0.5
Amortization of actuarial losses	7.0		4.0
	$	13.3	$	14.4

We contributed $0.5 million and $0.9 million to our defined benefit pension plans in the nine months ended September 30, 2021 and 2020, respectively.

Postemployment Arrangements

The components of net periodic benefit expense were (in millions):

	Nine Months Ended September 30,
	2021		2020
Service cost	$	3.6	$	3.5
Interest cost	1.6		2.6
Amortization of prior service cost	3.1		3.2
Amortization of actuarial losses	2.9		1.6
	$	11.2	$	10.9

XML

Disposition of Subsidiary	9 Months Ended
	Sep. 30, 2021
Disposition of Subsidiary [Abstract]
Disposition of Subsidiary	Disposition of SubsidiaryIn the second quarter of 2021, we sold ICON, a specialty media company, to ICON's management team. As a result, we recorded a pre-tax gain of $50.5 million from the sale. As discussed in Note 7, the after-tax gain approximated the pre-tax gain. The disposition of ICON will not have a material impact on our ongoing results of operations or financial position.

XML

COVID-19 Repositioning Costs

9 Months Ended

Sep. 30, 2021

COVID-19 Repositioning Costs [Abstract]

COVID-19 Repositioning Costs

COVID-19 Repositioning Costs

In the second quarter of 2020, in response to the COVID-19 pandemic, we incurred $277.9 million of repositioning costs to align our cost structure and reduce our workforce and facility requirements.

At September 30, 2021 the remaining liability for the COVID-19 repositioning costs was (in millions):

January 1, 2021	$	83.8
Payments	(34.6)
September 30, 2021	$	49.2

We expect that the liability for the COVID-19 repositioning costs will be substantially paid by the end of 2021.

XML

Supplemental Cash Flow Data

9 Months Ended

Sep. 30, 2021

Supplemental Cash Flow Data [Abstract]

Supplemental Cash Flow Data

Supplemental Cash Flow Data

The change in operating capital was (in millions):

	Nine Months Ended September 30,
	2021		2020
(Increase) decrease in accounts receivable	$	343.6	$	1,435.6
(Increase) decrease in work in process and other current assets	(308.6)		121.0
Increase (decrease) in accounts payable	(1,071.3)		(3,110.7)
Increase (decrease) in customer advances, taxes payable and other current liabilities	(86.2)		(216.8)
Change in other assets and liabilities, net	111.8		(25.8)
Increase (decrease)	$	(1,010.7)	$	(1,796.7)
Income taxes paid	$	320.2	$	249.4
Interest paid	$	157.4	$	116.5

Supplemental non-cash information related to leases was (in millions):

	Nine Months Ended September 30,
	2021		2020
Net increase in lease liability:
Operating leases	$	111.2	$	114.7
Finance leases	$	47.9	$	23.5

XML

Commitments and Contingent Liabilities	9 Months Ended
	Sep. 30, 2021
Commitments and Contingent Liabilities [Abstract]
Commitments and Contingent Liabilities	Commitments and Contingent LiabilitiesIn the ordinary course of business, we are involved in various legal proceedings. We do not presently expect that these proceedings will have a material adverse effect on our results of operations or financial position.

XML

Accumulated Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2021

Accumulated Other Comprehensive Income (Loss) [Abstract]

Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive income (loss), net of income taxes were (in millions):

	Cash Flow Hedge		Defined Benefit Pension Plans and Postemployment Arrangements		Foreign Currency Translation		Total
	Nine Months Ended September 30, 2021
January 1	$	(20.1)	$	(123.2)	$	(1,070.5)	$	(1,213.8)
Other comprehensive income (loss) before reclassifications	—		—		(105.5)		(105.5)
Reclassification from accumulated other comprehensive    income (loss)	3.0		8.4		—		11.4
September 30	$	(17.1)	$	(114.8)	$	(1,176.0)	$	(1,307.9)

	Nine Months Ended September 30, 2020
January 1	$	(24.0)	$	(112.1)	$	(1,061.5)	$	(1,197.6)
Other comprehensive income (loss) before reclassifications	—		—		(192.6)		(192.6)
Reclassification from accumulated other comprehensive    income (loss)	2.9		6.7		—		9.6
September 30	$	(21.1)	$	(105.4)	$	(1,254.1)	$	(1,380.6)

XML

Fair Value

9 Months Ended

Sep. 30, 2021

Fair Value [Abstract]

Fair Value

Fair Value

Financial assets and liabilities measured at fair value on a recurring basis were (in millions):

	September 30, 2021
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	4,431.2					$	4,431.2
Marketable equity investments	1.2						1.2
Foreign currency derivatives			$	0.1			0.1
Liabilities:
Foreign currency derivatives			$	0.3			$	0.3
Contingent purchase price obligations					$	146.6	146.6

	December 31, 2020
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	5,600.5					$	5,600.5
Marketable equity investments	1.6						1.6
Foreign currency derivative instruments			$	0.6			0.6
Liabilities:
Foreign currency derivatives			0.3				0.3
Contingent purchase price obligations					$	71.9	71.9

Changes in contingent purchase price obligations were (in millions):

	Nine Months Ended September 30,
	2021		2020
January 1	$	71.9	$	107.7
Acquisitions	92.3		10.0
Revaluation and interest	0.7		2.0
Payments	(16.8)		(25.4)
Foreign currency translation	(1.5)		1.0
September 30	$	146.6	$	95.3

The carrying amount and fair value of our financial assets and liabilities were (in millions):

	September 30, 2021				December 31, 2020
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	$	4,431.2	$	4,431.2	$	5,600.5	$	5,600.5
Marketable equity securities	1.2		1.2		1.6		1.6
Non-marketable equity securities	6.6		6.6		8.9		8.9
Foreign currency derivatives	0.1		0.1		0.6		0.6
Liabilities:
Short-term debt	$	10.2	$	10.2	$	3.9	$	3.9
Foreign currency derivatives	0.3		0.3		0.3		0.3
Contingent purchase price obligations	146.6		146.6		71.9		71.9
Long-term debt	5,217.7		5,669.0		5,807.3		6,380.6

The estimated fair value of the foreign currency derivatives is determined using model-derived valuations, taking into consideration foreign currency rates and counterparty credit risk. The estimated fair value of the contingent purchase price obligations is calculated in accordance with the terms of each acquisition agreement and is discounted. The fair value of debt is based on quoted market prices.

XML

Subsequent Events	9 Months Ended
	Sep. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events We have evaluated events subsequent to the balance sheet date and determined that there have not been any events that have occurred that would require additional adjustments to or disclosures in these consolidated financial statements.

XML

Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Disaggregation of Revenue [Line Items]

Work in Process and Contract Liabilities

Work in process and contract liabilities were (in millions):

	September 30, 2021		December 31, 2020		September 30, 2020
Work in process:
Contract assets and unbilled fees and costs	$	596.6	$	501.1	$	648.0
Media and production costs	653.0		600.1		526.4
	$	1,249.6	$	1,101.2	$	1,174.4
Contract liabilities:
Customer advances	$	1,325.8	$	1,361.3	$	1,129.5

Geographic Markets [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

Revenue in our principal geographic markets was (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Americas:
North America	$	1,821.8	$	1,854.7	$	5,751.7	$	5,516.0
Latin America	72.5		61.6		206.1		187.8
EMEA:
Europe	1,024.3		875.0		3,009.5		2,525.9
Middle East and Africa	58.1		45.2		160.6		135.3
Asia-Pacific	458.3		370.0		1,305.7		1,049.1
	$	3,435.0	$	3,206.5	$	10,433.6	$	9,414.1

Discipline [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

Revenue by discipline was (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Advertising	$	1,820.6	$	1,827.6	$	5,838.8	$	5,291.0
CRM Precision Marketing	309.4		237.1		872.4		683.1
CRM Commerce and Brand Consulting	231.3		194.2		667.4		602.8
CRM Experiential	132.7		88.1		345.1		297.9
CRM Execution & Support	258.8		235.5		756.3		702.0
Public Relations	359.4		325.6		1,022.8		957.4
Healthcare	322.8		298.4		930.8		879.9
	$	3,435.0	$	3,206.5	$	10,433.6	$	9,414.1

XML

Net Income (Loss) per Share (Tables)

9 Months Ended

Sep. 30, 2021

Net Income per Share [Abstract]

Computations of Basic and Diluted Net Income (Loss) per Share

The computations of basic and diluted net income per share were (in millions, except per share amounts):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net Income - Omnicom Group Inc.	$	355.6	$	313.3	$	991.6	$	547.3
Weighted Average Shares:
Basic	214.0		215.4		215.0		215.6
Dilutive stock options and restricted shares	1.4		0.4		1.4		0.6
Diluted	215.4		215.8		216.4		216.2
Anti-dilutive stock options and restricted shares	0.7		0.8		0.7		0.8
Net Income per Share - Omnicom Group Inc.:
Basic	$	1.66	$	1.45	$	4.61	$	2.54
Diluted	$	1.65	$	1.45	$	4.58	$	2.53

XML

Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and intangible assets were (in millions):

	September 30, 2021						December 31, 2020
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Goodwill	$	10,123.9	$	(522.4)	$	9,601.5	$	10,141.6	$	(531.9)	$	9,609.7
Intangible assets:
Purchased and internally developed software	$	379.8	$	(314.6)	$	65.2	$	377.6	$	(307.0)	$	70.6
Customer related and other	742.7		(529.8)		212.9		738.1		(510.2)		227.9
	$	1,122.5	$	(844.4)	$	278.1	$	1,115.7	$	(817.2)	$	298.5

Changes in Goodwill

Changes in goodwill were (in millions):

	Nine Months Ended September 30,
	2021		2020
January 1	$	9,609.7	$	9,440.5
Acquisitions	6.9		46.1
Noncontrolling interests in acquired businesses	37.3		32.4
Contingent purchase price obligations of acquired businesses	88.0		—
Dispositions	(21.7)		(3.3)
Foreign currency translation	(118.7)		(77.3)
September 30	$	9,601.5	$	9,438.4

XML

Debt (Tables)

9 Months Ended

Sep. 30, 2021

Debt [Abstract]

Long-Term Debt

Long-term debt was (in millions):

	September 30, 2021		December 31, 2020
3.625% Senior Notes due 2022	$	—	$	1,250.0
3.65% Senior Notes due 2024	750.0		750.0
3.60% Senior Notes due 2026	1,400.0		1,400.0
€500 Million 0.80% Senior Notes due 2027	579.0		611.5
2.45% Senior Notes due 2030	600.0		600.0
4.20% Senior Notes due 2030	600.0		600.0
€500 Million 1.40% Senior Notes due 2031	579.0		611.5
2.60% Senior Notes due 2031	800.0		—
	5,308.0		5,823.0
Unamortized discount	(8.6)		(5.1)
Unamortized debt issuance costs	(29.3)		(27.0)
Unamortized deferred gain from settlement of interest rate swaps	1.6		16.4
Long-term debt	$	5,271.7	$	5,807.3

XML

Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Revenue and Long-Lived Assets and Goodwill by Geographic Region

Revenue and long-lived assets and goodwill by geographic region were (in millions):

	Americas		EMEA		Asia-Pacific
September 30, 2021
Revenue - Three months ended	$	1,894.3	$	1,082.4	$	458.3
Revenue - Nine months ended	5,957.8		3,170.1		1,305.7
Long-lived assets and goodwill	7,567.2		2,991.1		686.1
September 30, 2020
Revenue - Three months ended	$	1,916.3	$	920.2	$	370.0
Revenue - Nine months ended	5,703.8		2,661.2		1,049.1
Long-lived assets and goodwill	7,632.5		3,005.0		642.0

XML

Pension and Other Postemployment Benefits (Tables)

9 Months Ended

Sep. 30, 2021

Defined Benefit Pension Plans [Member]

Components of Net Periodic Benefit Expense

Defined Benefit Pension Plans

The components of net periodic benefit expense were (in millions):

	Nine Months Ended September 30,
	2021		2020
Service cost	$	3.9	$	5.6
Interest cost	2.7		5.0
Expected return on plan assets	(0.8)		(0.7)
Amortization of prior service cost	0.5		0.5
Amortization of actuarial losses	7.0		4.0
	$	13.3	$	14.4

Postemployment Arrangements [Member]

Components of Net Periodic Benefit Expense

Postemployment Arrangements

The components of net periodic benefit expense were (in millions):

	Nine Months Ended September 30,
	2021		2020
Service cost	$	3.6	$	3.5
Interest cost	1.6		2.6
Amortization of prior service cost	3.1		3.2
Amortization of actuarial losses	2.9		1.6
	$	11.2	$	10.9

XML

COVID-19 Repositioning Costs (Tables)

9 Months Ended

Sep. 30, 2021

COVID-19 Repositioning Costs [Abstract]

COVID-19 Repositioning Liabilities

At September 30, 2021 the remaining liability for the COVID-19 repositioning costs was (in millions):

January 1, 2021	$	83.8
Payments	(34.6)
September 30, 2021	$	49.2

XML

Supplemental Cash Flow Data (Tables)

9 Months Ended

Sep. 30, 2021

Supplemental Cash Flow Data [Abstract]

Change in Operating Capital

The change in operating capital was (in millions):

	Nine Months Ended September 30,
	2021		2020
(Increase) decrease in accounts receivable	$	343.6	$	1,435.6
(Increase) decrease in work in process and other current assets	(308.6)		121.0
Increase (decrease) in accounts payable	(1,071.3)		(3,110.7)
Increase (decrease) in customer advances, taxes payable and other current liabilities	(86.2)		(216.8)
Change in other assets and liabilities, net	111.8		(25.8)
Increase (decrease)	$	(1,010.7)	$	(1,796.7)
Income taxes paid	$	320.2	$	249.4
Interest paid	$	157.4	$	116.5

Supplemental Non-Cash Information Related to Leases

Supplemental non-cash information related to leases was (in millions):

	Nine Months Ended September 30,
	2021		2020
Net increase in lease liability:
Operating leases	$	111.2	$	114.7
Finance leases	$	47.9	$	23.5

XML

Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2021

Accumulated Other Comprehensive Income (Loss) [Abstract]

Changes in Accumulated Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive income (loss), net of income taxes were (in millions):

	Cash Flow Hedge		Defined Benefit Pension Plans and Postemployment Arrangements		Foreign Currency Translation		Total
	Nine Months Ended September 30, 2021
January 1	$	(20.1)	$	(123.2)	$	(1,070.5)	$	(1,213.8)
Other comprehensive income (loss) before reclassifications	—		—		(105.5)		(105.5)
Reclassification from accumulated other comprehensive    income (loss)	3.0		8.4		—		11.4
September 30	$	(17.1)	$	(114.8)	$	(1,176.0)	$	(1,307.9)

	Nine Months Ended September 30, 2020
January 1	$	(24.0)	$	(112.1)	$	(1,061.5)	$	(1,197.6)
Other comprehensive income (loss) before reclassifications	—		—		(192.6)		(192.6)
Reclassification from accumulated other comprehensive    income (loss)	2.9		6.7		—		9.6
September 30	$	(21.1)	$	(105.4)	$	(1,254.1)	$	(1,380.6)

XML

Fair Value (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value [Abstract]

Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis

Financial assets and liabilities measured at fair value on a recurring basis were (in millions):

	September 30, 2021
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	4,431.2					$	4,431.2
Marketable equity investments	1.2						1.2
Foreign currency derivatives			$	0.1			0.1
Liabilities:
Foreign currency derivatives			$	0.3			$	0.3
Contingent purchase price obligations					$	146.6	146.6

	December 31, 2020
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	5,600.5					$	5,600.5
Marketable equity investments	1.6						1.6
Foreign currency derivative instruments			$	0.6			0.6
Liabilities:
Foreign currency derivatives			0.3				0.3
Contingent purchase price obligations					$	71.9	71.9

Changes in Contingent Purchase Price Obligations

Changes in contingent purchase price obligations were (in millions):

	Nine Months Ended September 30,
	2021		2020
January 1	$	71.9	$	107.7
Acquisitions	92.3		10.0
Revaluation and interest	0.7		2.0
Payments	(16.8)		(25.4)
Foreign currency translation	(1.5)		1.0
September 30	$	146.6	$	95.3

Carrying Amount and Fair Value of Financial Assets and Liabilities

The carrying amount and fair value of our financial assets and liabilities were (in millions):

	September 30, 2021				December 31, 2020
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	$	4,431.2	$	4,431.2	$	5,600.5	$	5,600.5
Marketable equity securities	1.2		1.2		1.6		1.6
Non-marketable equity securities	6.6		6.6		8.9		8.9
Foreign currency derivatives	0.1		0.1		0.6		0.6
Liabilities:
Short-term debt	$	10.2	$	10.2	$	3.9	$	3.9
Foreign currency derivatives	0.3		0.3		0.3		0.3
Contingent purchase price obligations	146.6		146.6		71.9		71.9
Long-term debt	5,217.7		5,669.0		5,807.3		6,380.6

XML

Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 3,435.0	$ 3,206.5	$ 10,433.6	$ 9,414.1
Contract assets and unbilled fees and costs	596.6	648.0	596.6	648.0	$ 501.1
Media and production costs	653.0	526.4	653.0	526.4	600.1
Work in process:	1,249.6	1,174.4	1,249.6	1,174.4	1,101.2
Customer advances	1,325.8	1,129.5	1,325.8	1,129.5	$ 1,361.3
North America
Disaggregation of Revenue [Line Items]
Revenue	1,821.8	1,854.7	5,751.7	5,516.0
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue	1,705.2	1,762.9	5,414.2	5,244.7
Latin America
Disaggregation of Revenue [Line Items]
Revenue	72.5	61.6	206.1	187.8
Europe
Disaggregation of Revenue [Line Items]
Revenue	1,024.3	875.0	3,009.5	2,525.9
Middle East and Africa
Disaggregation of Revenue [Line Items]
Revenue	58.1	45.2	160.6	135.3
Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	458.3	370.0	1,305.7	1,049.1
Advertising
Disaggregation of Revenue [Line Items]
Revenue	1,820.6	1,827.6	5,838.8	5,291.0
CRM Precision Marketing
Disaggregation of Revenue [Line Items]
Revenue	309.4	237.1	872.4	683.1
CRM Commerce and Brand Consulting
Disaggregation of Revenue [Line Items]
Revenue	231.3	194.2	667.4	602.8
CRM Experiential
Disaggregation of Revenue [Line Items]
Revenue	132.7	88.1	345.1	297.9
CRM Execution & Support
Disaggregation of Revenue [Line Items]
Revenue	258.8	235.5	756.3	702.0
Public Relations
Disaggregation of Revenue [Line Items]
Revenue	359.4	325.6	1,022.8	957.4
Healthcare
Disaggregation of Revenue [Line Items]
Revenue	$ 322.8	$ 298.4	$ 930.8	$ 879.9

XML

Net Income (Loss) per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net Income per Share [Abstract]
Net Income - Omnicom Group Inc.	$ 355.6	$ 313.3	$ 991.6	$ 547.3
Weighted Average Shares:
Basic	214.0	215.4	215.0	215.6
Dilutive stock options and restricted shares	1.4	0.4	1.4	0.6
Diluted	215.4	215.8	216.4	216.2
Anti-dilutive stock options and restricted shares	0.7	0.8	0.7	0.8
Net Income per Share - Omnicom Group Inc.:
Basic	$ 1.66	$ 1.45	$ 4.61	$ 2.54
Diluted	$ 1.65	$ 1.45	$ 4.58	$ 2.53

XML

Goodwill and Intangible Assets (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Gross Carrying Value	$ 10,123.9		$ 10,141.6
Goodwill, Accumulated Amortization	(522.4)		(531.9)
Goodwill, Net Carrying Value	9,601.5	$ 9,438.4	9,609.7
Intangible assets:
Intangible assets:, Gross Carrying Value	1,122.5		1,115.7
Intangible assets:, Accumulated Amortization	(844.4)		(817.2)
Intangible assets:, Net Carrying Value	278.1		298.5
Changes in Goodwill
Goodwill, January 1	9,609.7	9,440.5
Goodwill, Acquisitions	6.9	46.1
Goodwill, Noncontrolling interests in acquired businesses	37.3	32.4
Goodwill, Contingent purchase price obligations of acquired businesses	88.0	0.0
Goodwill, Dispositions	(21.7)	(3.3)
Goodwill, Foreign currency translation	(118.7)	(77.3)
Goodwill, September 30	9,601.5	$ 9,438.4
Purchased and internally developed software
Intangible assets:
Intangible assets:, Gross Carrying Value	379.8		377.6
Intangible assets:, Accumulated Amortization	(314.6)		(307.0)
Intangible assets:, Net Carrying Value	65.2		70.6
Customer related and other
Intangible assets:
Intangible assets:, Gross Carrying Value	742.7		738.1
Intangible assets:, Accumulated Amortization	(529.8)		(510.2)
Intangible assets:, Net Carrying Value	$ 212.9		$ 227.9

XML

Debt (Details) - USD ($) $ in Millions			9 Months Ended
	May 28, 2021	May 03, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Short-Term Borrowings [Abstract]
Short-term debt			$ 10.2		$ 3.9
Long-Term Debt [Abstract]
Long-term debt, carrying amount			5,308.0		5,823.0
Unamortized discount			(8.6)		(5.1)
Unamortized debt issuance costs			(29.3)		(27.0)
Unamortized deferred gain from settlement of interest rate swaps			1.6		16.4
Long-term debt			5,271.7		5,807.3
Proceeds from borrowings		$ 791.7	791.7	$ 1,186.6
Loss on extinguishment of debt	$ (26.6)
Credit Facility [Member]
Credit Facilities [Abstract]
Credit Facilities, maximum borrowing capacity			$ 2,500.0
Credit Facilities, expiration date			Feb. 14, 2025
Credit Facilities, amount outstanding			$ 0.0
Credit Facilities, covenant terms			The Credit Facility contains a financial covenant that requires us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA (earnings before interest, taxes, depreciation, amortization and non-cash charges) of no more than 3.5 times for the most recently ended 12-month period. In October 2020, we amended the Credit Facility to increase the maximum Leverage Ratio to 4.0 times through December 31, 2021.
Credit Facilities, covenant compliance			At September 30, 2021, we were in compliance with this covenant as our Leverage Ratio was 2.2 times.
Commercial Paper [Member]
Credit Facilities [Abstract]
Credit Facilities, current borrowing capacity			$ 2,000.0
Credit Facilities, amount outstanding			0.0
Uncommitted credit lines [Member]
Credit Facilities [Abstract]
Credit Facilities, current borrowing capacity			915.6
Credit Facilities, amount outstanding			0.0
3.625% Senior Notes due 2022
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 0.0		1,250.0
Long-term debt, interest rate			3.625%
3.65% Senior Notes due 2024
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 750.0		750.0
Long-term debt, interest rate			3.65%
3.60% Senior Notes due 2026
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 1,400.0		1,400.0
Long-term debt, interest rate			3.60%
€500 Million 0.80% Senior Notes due 2027
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 579.0		611.5
Long-term debt, interest rate			0.80%
2.45% Senior Notes due 2030
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 600.0		600.0
Long-term debt, interest rate			2.45%
4.20% Senior Notes due 2030
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 600.0		600.0
Long-term debt, interest rate			4.20%
€500 Million 1.40% Senior Notes due 2031
Long-Term Debt [Abstract]
Long-term debt, carrying amount			$ 579.0		611.5
Long-term debt, interest rate			1.40%
2.60% Senior Notes due 2031
Long-Term Debt [Abstract]
Long-term debt, carrying amount		$ 800.0	$ 800.0		$ 0.0
Long-term debt, interest rate		2.60%	2.60%

XML

Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	$ 3,435.0	$ 3,206.5	$ 10,433.6	$ 9,414.1
Americas
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	1,894.3	1,916.3	5,957.8	5,703.8
Long-lived assets and goodwill	7,567.2	7,632.5	7,567.2	7,632.5
EMEA
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	1,082.4	920.2	3,170.1	2,661.2
Long-lived assets and goodwill	2,991.1	3,005.0	2,991.1	3,005.0
Asia-Pacific
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	458.3	370.0	1,305.7	1,049.1
Long-lived assets and goodwill	$ 686.1	$ 642.0	$ 686.1	$ 642.0

XML

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Taxes [Abstract]
Effective tax rate			25.20%	28.50%
Gain on disposition of subsidiary	$ 0.0	$ 0.0	$ (50.5)	$ 0.0
Income tax benefit, resolution of uncertain tax positions	11.7
Unrecognized tax benefits	174.6		174.6
Unrecognized tax benefits that would impact effective tax rate	$ 166.9		$ 166.9

XML

Pension and Other Postemployment Benefits (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Defined Benefit Pension Plans [Member]
Components of Net Periodic Benefit Expense
Service cost	$ 3.9	$ 5.6
Interest cost	2.7	5.0
Expected return on plan assets	(0.8)	(0.7)
Amortization of prior service cost	0.5	0.5
Amortization of actuarial losses	7.0	4.0
Net periodic benefit expense	13.3	14.4
Employer contributions	0.5	0.9
Postemployment Arrangements [Member]
Components of Net Periodic Benefit Expense
Service cost	3.6	3.5
Interest cost	1.6	2.6
Amortization of prior service cost	3.1	3.2
Amortization of actuarial losses	2.9	1.6
Net periodic benefit expense	$ 11.2	$ 10.9

XML

Disposition of Subsidiary (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disposition of Subsidiary [Abstract]
Gain on disposition of subsidiary	$ 0.0	$ 0.0	$ 50.5	$ 0.0

XML

COVID-19 Repositioning Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
COVID-19 Repositioning Costs [Abstract]
COVID-19 repositioning costs	$ 0.0	$ 0.0	$ 0.0	$ 277.9
Repositioning Liabilities [Roll Forward]
Repositioning Liabilities, January 1, 2021			83.8
Repositioning Liabilities, Payments			(34.6)
Repositioning Liabilities, September 30, 2021	$ 49.2		$ 49.2

XML

Supplemental Cash Flow Data (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Change in Operating Capital [Abstract]
(Increase) decrease in accounts receivable	$ 343.6	$ 1,435.6
(Increase) decrease in work in process and other current assets	(308.6)	121.0
Increase (decrease) in accounts payable	(1,071.3)	(3,110.7)
Increase (decrease) in customer advances, taxes payable and other current liabilities	(86.2)	(216.8)
Change in other assets and liabilities, net	111.8	(25.8)
Increase (decrease)	(1,010.7)	(1,796.7)
Income taxes paid	320.2	249.4
Interest paid	157.4	116.5
Operating leases, Net increase in lease liability	111.2	114.7
Finance leases, Net increase in lease liability	$ 47.9	$ 23.5

XML

Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Changes in Accumulated Other Comprehensive Income (Loss)
January 1	$ (1,213.8)	$ (1,197.6)
Other comprehensive income (loss) before reclassifications	(105.5)	(192.6)
Reclassification from accumulated other comprehensive income (loss)	11.4	9.6
September 30	(1,307.9)	(1,380.6)
Cash Flow Hedge
Changes in Accumulated Other Comprehensive Income (Loss)
January 1	(20.1)	(24.0)
Other comprehensive income (loss) before reclassifications	0.0	0.0
Reclassification from accumulated other comprehensive income (loss)	3.0	2.9
September 30	(17.1)	(21.1)
Defined Benefit Pension Plans and Postemployment Arrangements
Changes in Accumulated Other Comprehensive Income (Loss)
January 1	(123.2)	(112.1)
Other comprehensive income (loss) before reclassifications	0.0	0.0
Reclassification from accumulated other comprehensive income (loss)	8.4	6.7
September 30	(114.8)	(105.4)
Foreign Currency Translation
Changes in Accumulated Other Comprehensive Income (Loss)
January 1	(1,070.5)	(1,061.5)
Other comprehensive income (loss) before reclassifications	(105.5)	(192.6)
Reclassification from accumulated other comprehensive income (loss)	0.0	0.0
September 30	$ (1,176.0)	$ (1,254.1)

XML

Fair Value (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Carrying Amount
Assets:
Cash and cash equivalents	$ 4,431.2		$ 5,600.5
Marketable equity securities	1.2		1.6
Non-marketable equity securities	6.6		8.9
Foreign currency derivatives	0.1		0.6
Liabilities:
Short-term debt	10.2		3.9
Foreign currency derivatives	0.3		0.3
Contingent purchase price obligations	146.6		71.9
Long-term debt	5,217.7		5,807.3
Fair Value
Assets:
Cash and cash equivalents	4,431.2		5,600.5
Marketable equity securities	1.2		1.6
Non-marketable equity securities	6.6		8.9
Foreign currency derivatives	0.1		0.6
Liabilities:
Short-term debt	10.2		3.9
Foreign currency derivatives	0.3		0.3
Contingent purchase price obligations	146.6		71.9
Long-term debt	5,669.0		6,380.6
Contingent purchase price obligations
Changes in Contingent Purchase Price Obligations [Roll Forward]
January 1	71.9	$ 107.7
Acquisitions	92.3	10.0
Revaluation and interest	0.7	2.0
Payments	(16.8)	(25.4)
Foreign currency translation	(1.5)	1.0
September 30	146.6	$ 95.3
Fair Value, Recurring [Member]
Assets:
Cash and cash equivalents	4,431.2		5,600.5
Marketable equity securities	1.2		1.6
Foreign currency derivatives	0.1		0.6
Liabilities:
Foreign currency derivatives	0.3		0.3
Contingent purchase price obligations	146.6		71.9
Fair Value, Recurring [Member] | Level 1
Assets:
Cash and cash equivalents	4,431.2		5,600.5
Marketable equity securities	1.2		1.6
Fair Value, Recurring [Member] | Level 2
Assets:
Foreign currency derivatives	0.1		0.6
Liabilities:
Foreign currency derivatives	0.3		0.3
Fair Value, Recurring [Member] | Level 3
Liabilities:
Contingent purchase price obligations	$ 146.6		$ 71.9