First Quarter 2009
Earnings Conference Call
April 28, 2009

Page 2

Overview - First Quarter 2009

•Our revenue decreased 10.8%, reflecting the difficult
economic climate as well as currency changes. Our
organic revenue decrease was 5.6%

•We continued to manage our cost base actively and
effectively, resulting in severance expense of $42 million
compared with $14 million a year ago

•Our seasonal operating loss was $82 million compared
with a loss of $58 million a year ago

•Diluted E.P.S. was a seasonal Q1 loss of $0.16 compared
with a loss of $0.15 last year

Page 3

Operating Performance

(Amounts in Millions, except per share amounts)

Page 4

Revenue

($ in Millions)

Integrated Agency Networks (“IAN”): McCann, Draftfcb, Lowe, Mediabrands and our domestic
integrated agencies

Constituency Management Group (“CMG”): Weber Shandwick, GolinHarris, Jack Morton,
FutureBrand, Octagon and our other marketing service specialists

See reconciliation on page 15.

Page 5

Geographic Revenue Change

“All Other Markets” includes Canada, Africa and Middle East.

See reconciliation on page 16.

Page 6

Organic Revenue Growth

See reconciliation on page 17.

Page 7

Expenses

($ in Millions)

See reconciliation on page 18.

Page 8

Adjusted Operating Margin

See reconciliation on page 20.

Page 9

Balance Sheet - Current Portion

($ in Millions)

Page 10

Cash Flow

($ in Millions)

Page 11

Debt Maturity Schedule

($ in Millions)

Total Debt including Convertible Notes = $2.1 billion

(A)

(B)

Page 12

Summary

•As our clients navigate a difficult economy, we continue
to put client service front-and-center

•We are managing costs appropriately and effectively

•Strong financial resources are in place and we continue
our conservative approach to liquidity

•As visibility remains limited we are managing for a
challenging environment, and expect to be well-
positioned for the upside when the economy turns

Appendix

Page 14

Depreciation and Amortization

($ in Millions)

Page 15

Reconciliation of Segment Revenue Change

($ in Millions)

Page 16

Reconciliation of Geographic Revenue Change

($ in Millions)

“All Other Markets” includes Canada, Africa and Middle East.

Page 17

Reconciliation of Organic Revenue Growth

($ in Millions)

Page 18

Reconciliation of Organic Measures

($ in Millions)

Page 19

Reconciliation of Expenses Excluding Severance

($ in Millions)

Page 20

Reconciliation of Adjusted Operating Margin

($ in Millions)

Page 21

Reconciliation of Investing Cash Flow

($ in Millions)

Metrics Update

Page 23

Metrics Update

Page 24

Revenue by Discipline

March 31, 2009

QTD

($ in Millions)

Unaudited data

43%

57%

Page 25

Salaries & Related Expenses

Page 26

Salaries & Related Expenses % of Revenue

Page 27

Office & General Expenses

Page 28

Office & General Expenses % of Revenue

“All Other O&G” includes production expenses, depreciation and amortization, bad debt expense, foreign currency gains
(losses) and other expenses.

Page 29

Available Liquidity

($ in Millions)

Cash, Cash Equivalents and Short-Term Marketable Securities

+ Available Committed Credit Facilities

Page 30

$335-Million 3-Year Credit Facility Covenants*

($ in Millions)

* Facility is not drawn as of March 31, 2009

March 31, 2009

Page 31

Cautionary Statement

This investor presentation contains forward-looking statements.Statements in this investor
presentation that are not historical facts, including statements about management’s beliefs and
expectations, constitute forward-looking statements.These statements are based on current plans,
estimates and projections, and are subject to change based on a number of factors, including those
outlined in our most recent Annual Report on Form 10-K under Item 1A, Risk Factors. Forward-looking
statements speak only as of the date they are made, and we undertake no obligation to update publicly
any of them in light of new information or future events.

Forward-looking statements involve inherent risks and uncertainties. A number of important factors
could cause actual results to differ materially from those contained in any forward-looking statement.
Such factors include, but are not limited to, the following:

èpotential effects of a weakening economy, for example, on the demand for our
advertising and marketing services, on our clients’ financial condition and on our
business or financial condition;

èour ability to attract new clients and retain existing clients;

èour ability to retain and attract key employees;

èrisks associated with assumptions we make in connection with our critical accounting
estimates, including changes in assumptions associated with any effects of a weakened
economy;

èpotential adverse effects if we are required to recognize impairment charges or other
adverse accounting-related developments;

èrisks associated with the effects of global, national and regional economic and political
conditions, including counterparty risks and fluctuations in economic growth rates,
interest rates and currency exchange rates; and

èdevelopments from changes in the regulatory and legal environment for advertising and
marketing and communications services companies around the world.

Investors should carefully consider these factors and the additional risk factors outlined in more detail
in our most recent Annual Report on Form 10-K under Item 1A, Risk Factors.