OMNICOM GROUP INC
10-Q, 1998-08-14
ADVERTISING AGENCIES
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                                    FORM 10-Q

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                   Quarterly Report Under Section 13 or 15(d)
                     of the Securities Exchange Act of 1934

For Quarter Ended:  June 30, 1998

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                      (IRS Employer
 incorporation or organization)                   Identification No.)

 437 Madison Avenue, New York, New York                 10022  
(Address of principal executive offices)              (Zip Code)

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

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 _X_ No __

The number of shares of common stock of the Company  issued and  outstanding  at
July 31, 1998 is 169,718,100.

<PAGE>

                       OMNICOM GROUP INC. AND SUBSIDIARIES
                                      INDEX

                                                                        Page No.
                                                                        --------

PART I. FINANCIAL INFORMATION

      Item 1.   Financial Statements:                                 
                                                                      
                Consolidated Condensed Balance Sheets -               
                   June 30, 1998, December 31, 1997 and               
                   June 30, 1997                                           2
                                                                      
                Consolidated Condensed Statements of Income -         
                   Three Months and Six Months                        
                   Ended June 30, 1998 and 1997                            3
                                                                      
                Consolidated Condensed Statements of Cash Flows -     
                   Six Months Ended June 30, 1998 and 1997                 4
                                                                      
                Notes to Consolidated Condensed Financial             
                   Statements                                              5-11
                                                                      
      Item 2.   Management's Discussion of Financial Condition        
                   and Results of Operations                               12-19
                                                                      
PART II. OTHER INFORMATION                                     
                                                                      
      Item 4.   Submission of Matters to a Vote                       
                   of Security Holders                                     20-21
                                                                      
      Item 6.   Exhibits                                                   21

                                      -1-
                                                                  
<PAGE>

                          PART I. FINANCIAL INFORMATION
                          Item 1. Financial Statements
                       OMNICOM GROUP INC. AND SUBSIDIARIES
                     CONSOLIDATED CONDENSED BALANCE SHEETS
                             (Dollars in Thousands)

<TABLE>
<CAPTION>
                            Assets                         June 30,     December 31,    June 30,
                            ------                           1998          1997           1997
                                                             ----          ----           ----
<S>                                                      <C>            <C>            <C>        
Current assets:
     Cash and cash equivalents                           $   337,918    $   556,436    $   294,028
     Investments available-for-sale, at market, which
       approximates cost                                      36,620         87,668         95,471
     Accounts receivable, less allowance for doubtful
       accounts of $38,703, $32,190 and $26,232            2,354,889      1,908,532      1,685,742
     Billable production orders in process                   298,160        183,145        200,731
     Prepaid expenses and other current assets               423,551        252,617        238,882
                                                         -----------    -----------    -----------
         Total current assets                              3,451,138      2,988,398      2,514,854

Furniture, equipment and leasehold improvements at
  cost, less accumulated depreciation and amortization
  of $364,452, $336,926 and $317,156                         306,677        239,667        228,883
Investments in affiliates                                    287,947        281,264        236,615
Intangibles, less amortization of $256,924, $235,257
  and $214,605                                             1,849,704      1,234,539      1,148,131
Deferred tax benefits                                         81,519         68,086         73,410
Deferred charges and other assets                            173,589        153,789        139,598
                                                         -----------    -----------    -----------
        Total assets                                     $ 6,150,574    $ 4,965,743    $ 4,341,491
                                                         ===========    ===========    ===========
       Liabilities and Shareholders' Equity
       ------------------------------------

Current liabilities:
     Accounts payable                                    $ 2,647,842    $ 2,595,255    $ 1,903,841
     Payable to banks                                         96,795         17,672         28,640
     Other accrued liabilities                             1,122,562        885,569        729,713
     Accrued taxes on income                                  63,061         80,489         77,333
                                                         -----------    -----------    -----------
        Total current liabilities                          3,930,260      3,578,985      2,739,527
Long term debt                                               837,924        341,665        545,014
Deferred compensation and other liabilities                  232,186        114,668        143,461
Minority interests                                            71,469         63,686         71,964

Shareholders' equity:
     Common stock                                             88,624         86,918         86,834
     Additional paid-in capital                              637,302        533,412        525,693
     Retained earnings                                       647,758        555,038        478,861
     Unamortized restricted stock                            (71,306)       (46,745)       (56,104)
     Cumulative translation adjustment                       (40,830)       (47,947)       (34,558)
     Treasury stock                                         (182,813)      (213,937)      (159,201)
                                                         -----------    -----------    -----------
        Total shareholders' equity                         1,078,735        866,739        841,525
                                                         -----------    -----------    -----------
        Total liabilities and shareholders' equity       $ 6,150,574    $ 4,965,743    $ 4,341,491
                                                         ===========    ===========    ===========
</TABLE>

  The accompanying notes to consolidated condensed financial statements are an
                     integral part of these balance sheets.


                                       -2-
<PAGE>

                       OMNICOM GROUP INC. AND SUBSIDIARIES
                   CONSOLIDATED CONDENSED STATEMENTS OF INCOME
                  (Dollars in Thousands, Except Per Share Data)
<TABLE>
<CAPTION>
                                       Three Months Ended June 30,  Six Months Ended June 30,
                                       ---------------------------  -------------------------
                                           1998          1997         1998           1997
                                           ----          ----         ----           ----
<S>                                    <C>            <C>          <C>            <C>        
Revenues:
   Commissions and fees                $ 1,051,510    $ 786,341    $ 1,912,486    $ 1,482,918

Operating expenses:
   Salaries and related costs              600,469      444,200      1,121,635        865,685
   Office and general expenses             276,224      219,267        516,865        420,369
                                       -----------    ---------    -----------    -----------
            Total operating expenses       876,693      663,467      1,638,500      1,286,054
                                       -----------    ---------    -----------    -----------
Operating profit                           174,817      122,874        273,986        196,864
Net interest expense:
   Interest and dividend income             (8,156)      (6,273)       (14,118)        (9,257)
   Interest paid or accrued                 18,742       11,234         32,216         18,567
                                       -----------    ---------    -----------    -----------
            Net interest expense            10,586        4,961         18,098          9,310
                                       -----------    ---------    -----------    -----------
Income before income taxes                 164,231      117,913        255,888        187,554

Income taxes:
   Federal                                  28,985       17,491         44,330         28,940
   State and local                           6,084        5,771         12,442         10,462
   International                            34,691       24,783         50,991         36,909
                                       -----------    ---------    -----------    -----------
            Total income taxes              69,760       48,045        107,763         76,311
                                       -----------    ---------    -----------    -----------
Income after income taxes                   94,471       69,868        148,125        111,243
Equity in affiliates                         5,278        7,282         10,258         11,426
Minority interests                         (13,757)     (10,751)       (21,488)       (16,202)
                                       -----------    ---------    -----------    -----------
            Net income                 $    85,992    $  66,399    $   136,895    $   106,467
                                       ===========    =========    ===========    ===========
Earnings per share:
- -------------------
   Net income:
           Basic                       $      0.51    $    0.41    $      0.83    $      0.67
           Diluted                     $      0.50    $    0.40    $      0.81    $      0.66

Dividends declared per common share    $     0.125    $    0.10    $      0.25    $      0.20

</TABLE>

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


                                       -3-

<PAGE>

                 OMNICOM GROUP INC. AND SUBSIDIARIES
            CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS
                       (Dollars in Thousands)

<TABLE>
<CAPTION>
                                                                  Six Months Ended
                                                                      June 30,
                                                                ---------------------
                                                                   1998         1997
                                                                ----------    -------
<S>                                                             <C>          <C>      
Cash flows from operating activities:
     Net income                                                 $ 136,895    $ 106,467
     Adjustments to reconcile net income to net cash
       used for operating activities:

     Depreciation and amortization of tangible assets              33,479       28,111
     Amortization of intangible assets                             24,772       18,781
     Minority interests                                            21,488       16,202
     Earnings of affiliates in excess of dividends received        (4,451)      (6,523)
     Decrease in deferred tax benefits                              3,957        9,776
     Provision for losses on accounts receivable                    3,907        3,160
     Amortization of restricted shares                              9,968        8,525
     Increase in accounts receivable                             (142,213)    (130,993)
     Increase in billable production                              (98,184)     (46,033)
     Increase in other current assets                             (85,912)     (33,198)
     Decrease in accounts payable                                (181,011)    (148,406)
     Decrease in other accrued liabilities                        (61,955)     (44,103)
     (Decrease) increase in accrued income taxes                  (24,095)       8,867
     Other                                                        (14,934)     (26,634)
                                                                ---------    ---------
         Net cash used for operating activities                  (378,289)    (236,001)
                                                                ---------    ---------

Cash flows from investing activities:
     Capital expenditures                                         (52,905)     (31,502)
     Payments for purchases of equity interests in
       subsidiaries and affiliates, net of cash acquired         (336,775)    (181,271)
     Proceeds from sales of equity interests in
       subsidiaries and affiliates                                  1,206          320
     Payments for purchases of investments available-for-sale
       and other investments                                      (42,819)     (84,931)
     Proceeds from sales of investments available-for-sale
       and other investments                                       93,611        6,849
                                                                ---------    ---------
         Net cash used for investing activities                  (337,682)    (290,535)
                                                                ---------    ---------

Cash flows from financing activities:
     Net (repayments) borrowings under lines of credit             (6,348)      10,283
     Share transactions under employee stock plans                 29,060       20,971
     Proceeds from issuance of shares                             171,035         --
     Proceeds from issuance of principal of debt obligations      551,841      359,269
     Repayment of principal of debt obligations                  (126,735)     (12,939)
     Dividends and loans to minority stockholders                 (18,665)      (6,389)
     Dividends paid                                               (40,738)     (31,743)
     Purchase of treasury shares                                  (71,921)     (11,043)
                                                                ---------    ---------
         Net cash provided by financing activities                487,529      328,409
                                                                ---------    ---------

Effect of exchange rate changes on cash and cash equivalents        9,924      (18,112)
                                                                ---------    ---------
     Net decrease in cash and cash equivalents                   (218,518)    (216,239)
Cash and cash equivalents at beginning of period                  556,436      510,267
                                                                ---------    ---------
Cash and cash equivalents at end of period                      $ 337,918    $ 294,028
                                                                =========    =========
Supplemental Disclosures:
     Income taxes paid                                          $ 127,330    $  59,109
                                                                =========    =========
     Interest paid                                              $  28,435    $   8,662
                                                                =========    =========
</TABLE>

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


                                      -4-
<PAGE>

                       OMNICOM GROUP INC. AND SUBSIDIARIES
              NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

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

1)          The consolidated  condensed  interim financial  statements  included
      herein have been prepared by the Company,  without audit,  pursuant to the
      rules and regulations of the Securities and Exchange  Commission.  Certain
      information  and  footnote  disclosures  normally  included  in  financial
      statements  prepared in  accordance  with  generally  accepted  accounting
      principles  have been  condensed  or  omitted  pursuant  to such rules and
      regulations.

2)          These  statements  reflect  all  adjustments,  consisting  of normal
      recurring accruals which, in the opinion of management,  are necessary for
      a  fair  presentation  of  the  information  contained  therein.   Certain
      reclassifications  have been made to the June 30, 1997 reported amounts to
      conform them with the June 30, 1998 and  December  31, 1997  presentation.
      Also, all amounts  presented  give effect to a two-for-one  stock split in
      the form of a 100%  stock  dividend  completed  in  December  1997.  These
      consolidated  condensed financial statements should be read in conjunction
      with the consolidated  financial  statements and notes thereto included in
      the Company's  annual report on Form 10-K for the year ended  December 31,
      1997.

3)          Results  of  operations  for  interim  periods  are not  necessarily
      indicative of annual results.


                                      -5-
<PAGE>

                       OMNICOM GROUP INC. AND SUBSIDIARIES
         NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS(CONTINUED)

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

4)          Basic  earnings per share is based upon the weighted  average number
      of common shares outstanding during the period. Diluted earnings per share
      is based on such average number of common shares outstanding, common share
      equivalents  outstanding,  and if  dilutive,  is adjusted  for the assumed
      conversion of the Company's  convertible  subordinated  debentures and the
      assumed  increase  in net income for the after tax  interest  cost of such
      debentures.   At  June  30,  1998,  the  2.25%  Convertible   Subordinated
      Debentures  had been  outstanding  since  January  6,  1998 and the  4.25%
      Convertible  Subordinated  Debentures had been  outstanding for the entire
      six  months.  At  June  30,  1997,  the  4.25%  Convertible   Subordinated
      Debentures  had been  outstanding  since  January 3,  1997.  The number of
      shares used in the  computations  of basic and diluted  earnings per share
      were as follows:

                        Three Months                        Six Months
                        Ended June 30,                    Ended June 30,
                        --------------                    --------------
                    1998             1997              1998            1997
                    ----             ----              ----            ----
Basic EPS        167,156,400      160,268,100      165,177,600      159,635,700
Diluted EPS      182,294,000      170,205,600      175,643,000      162,527,900

            For  purposes of  computing  diluted  earnings per share for the six
      months ended June 30, 1998, the 2.25% Convertible  Subordinated Debentures
      were not reflected in the computation,  as their inclusion would have been
      anti-dilutive.


                                      -6-
<PAGE>

                       OMNICOM GROUP INC. AND SUBSIDIARIES
         NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS(CONTINUED)

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

            For  purposes of  computing  diluted  earnings per share for the six
      months ended June 30, 1997, the 4.25% Convertible  Subordinated Debentures
      were not reflected in the computation,  as their inclusion would have been
      anti-dilutive.

5)          The Company has adopted the  provisions  of  Statement  of Financial
      Accounting  Standards No. 130,  "Reporting  Comprehensive  Income",  which
      requires  presentation  of  information  on  comprehensive  income and its
      components in financial statements.  In the Company's case,  comprehensive
      income includes net income and foreign currency  translation  adjustments.
      Total comprehensive income and its components were as follows:

                                     Three Months              Six Months
                                    Ended June 30,           Ended June 30,
                                  -----------------        ------------------
                                     (Dollars in              (Dollars in
                                      Thousands)               Thousands)
                                  1998         1997        1998          1997
                                  ----         ----        ----          ----

Net Income                      $85,992       $66,399    $136,895      $106,467

Foreign Currency
  Translation Adjustments         8,722       (12,227)      7,395       (38,048)
                                -------       -------    --------      --------
Total Comprehensive Income      $94,714       $54,172    $144,290      $ 68,419
                                =======       =======    ========      ========
 
6)          In June  1998,  the  Financial  Accounting  Standards  Board  issued
      Statement  of Financial  Accounting  Standards  No. 133 ("SFAS No.  133"),
      "Accounting for Derivative  Instruments and Hedging Activities".  SFAS No.
      133 establishes accounting and reporting standards requiring


                                      -7-
<PAGE>

                       OMNICOM GROUP INC. AND SUBSIDIARIES
         NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS(CONTINUED)

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

      that every derivative instrument (including certain derivative instruments
      embedded in other contracts) be recorded in the balance sheet as either an
      asset or liability  measured at its fair value. SFAS No. 133 requires that
      changes in the derivative's fair value be recognized currently in earnings
      unless specific hedge accounting  criteria are met. Special accounting for
      qualifying hedges allows a derivative's gains and losses to offset related
      results on the hedged item in the income  statement,  and requires  that a
      company must formally document, designate, and assess the effectiveness of
      transactions that receive hedge accounting.

            SFAS No. 133 is effective for fiscal years  beginning after June 15,
      1999. A company may also implement SFAS No. 133 as of the beginning of any
      fiscal quarter after issuance (that is, fiscal quarters beginning June 16,
      1998 and thereafter).  SFAS No. 133 cannot be applied retroactively.  Once
      implemented,  SFAS No. 133 must be applied to (a)  derivative  instruments
      and (b) certain derivative  instruments  embedded in hybrid contracts that
      were issued,  acquired, or substantively  modified after December 31, 1997
      (and, at a company's election, before January 1, 1998).


                                      -8-
<PAGE>

                       OMNICOM GROUP INC. AND SUBSIDIARIES
         NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS(CONTINUED)

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

            The Company intends to adopt SFAS No. 133 for its fiscal year ending
      December 31, 2000.  The adoption of the  provisions  of SFAS No. 133 would
      not have had a material effect on the Company's  results of operations for
      the  quarter  or six  months  ending  June  30,  1998 or on its  financial
      position as of that date.

7)          In  January  1998,  the  Company   completed  the   acquisitions  of
      Fleishman-Hillard, Inc., GPC International Holdings Inc. and Palmer Jarvis
      Inc.  These  acquisitions  have been  accounted  for under the  pooling of
      interests  method of  accounting.  The  number  of shares  issued or to be
      issued by the Company in connection with these  acquisitions is 3,550,366.
      The assets, liabilities, shareholders' equity and results of operations of
      the companies  acquired are not, either  individually or in the aggregate,
      material to the Company and, therefore, the Company's prior year financial
      statements have not been restated.

8)          On  January  6,  1998,  the  Company  issued  $230,000,000  of 2.25%
      Convertible Subordinated Debentures with a scheduled maturity in 2013. The
      debentures  are  convertible  into  common  stock  of  the  Company  at  a
      conversion  price of $49.83  per share  subject to  adjustment  in certain
      events.  Debenture holders have the right to require the Company to redeem
      the  debentures  on  January 6, 2004 at a price of  118.968%,  or upon the
      occurrence of a


                                      -9-
<PAGE>

                       OMNICOM GROUP INC. AND SUBSIDIARIES
         NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS(CONTINUED)

- --------------------------------------------------------------------------------
      
      Fundamental  Change,  as  defined  in  the  indenture  agreement,  at  the
      prevailing  redemption price. The Company may redeem the debentures,  as a
      whole or in part, on or after  December 31, 2001 initially at 112.841% and
      at increasing  prices  thereafter to 118.968%  until January 6, 2004,  and
      100% thereafter.  Unless the debentures are redeemed,  repaid or converted
      prior  thereto,  the  debentures  will  mature on January 6, 2013 at their
      principal amount. The proceeds of this issuance are being used for general
      corporate purposes, including working capital.

9)          On January  29,  1998,  the  Company  announced  that it had reached
      agreement on the terms of a  recommended  cash offer for The GGT Group plc
      ("GGT"),  an advertising and marketing services group headquartered in the
      United Kingdom and operating  primarily in France,  the United Kingdom and
      the United  States.  The offer  price of 200p for each share of GGT valued
      GGT's  fully  diluted   ordinary  share  capital  at  (pound)143   million
      (approximately  $235 million at the January 29, 1998 exchange  rate).  The
      acquisition  of the  entire  issued  ordinary  share  capital  of GGT  was
      completed during the second quarter of 1998.

10)         On March 4, 1998,  the  Company  issued  4,000,000  shares of common
      stock for aggregate proceeds before expenses of $171,400,000. The proceeds
      of this issuance are being used for general corporate purposes,  including
      the funding of the acquisition of GGT.


                                      -10-
<PAGE>


                       OMNICOM GROUP INC. AND SUBSIDIARIES
         NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS(CONTINUED)

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

11)         On June 24, 1998,  the Company  issued French  Francs  1,000,000,000
      (approximately  $164 million at the June 24, 1998  exchange  rate) of 5.2%
      Notes with a scheduled maturity in 2005. The proceeds of this issuance are
      being used for general corporate purposes.


                                      -11-
<PAGE>

             Item 2. MANAGEMENT'S DISCUSSION OF FINANCIAL CONDITION
                            AND RESULTS OF OPERATIONS

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

Results of Operations
- ---------------------

Second Quarter 1998 Compared to Second Quarter 1997
- ---------------------------------------------------

      Consolidated  worldwide  revenues from commission and fee income increased
33.7% in the second  quarter  of 1998  compared  to the second  quarter of 1997.
Consolidated  domestic revenues increased 35.2% in the second quarter of 1998 to
$550.0  million  compared  to $406.9  million  in the  second  quarter  of 1997.
Consolidated  international  revenues  increased  32.1% in the second quarter of
1998 to $501.5 million compared to $379.4 million in the second quarter of 1997.
Absent the effect of the net acquisitions of subsidiary  companies and movements
in  international  currency  exchange  rates,  consolidated  worldwide  revenues
increased  17.7% in the second  quarter of 1998  compared  to the same period in
1997.

      Operating  expenses increased 32.1% in the second quarter of 1998 compared
to the second  quarter  of 1997.  Excluding  the  effect of the net  acquisition
activity and movements in international currency exchange rates mentioned above,
operating  expenses  increased  15.6% over 1997 levels.  This increase  reflects
normal salary increases and growth in client service expenditures to support the
increased revenue base.


                                      -12-
<PAGE>

                 MANAGEMENT'S DISCUSSION OF FINANCIAL CONDITION
                      AND RESULTS OF OPERATIONS (CONTINUED)

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

      Net interest  expense  increased by $5.6 million in the second  quarter of
1998 as compared to the same period in 1997.  This increase  primarily  reflects
higher average borrowings during the period, resulting in part from the issuance
of the 2.25% Convertible Subordinated Debentures, partially offset by the effect
of higher average amounts of cash and marketable  securities invested during the
quarter.

      Pretax profit  margin was 15.6% in the second  quarter of 1998 as compared
to 15.0% in the same period in 1997.  Operating margin,  which excludes interest
and dividend  income and interest  expense,  was 16.6% in the second  quarter of
1998 as compared to 15.6% in the same period in 1997.

      The effective  income tax rate was 42.5% in the second  quarter of 1998 as
compared  to 40.7%  in the  second  quarter  of 1997.  This  increase  primarily
reflects an increase in non-deductible goodwill amortization.

      The  reduction  in equity in  affiliates  is the  result of lower  profits
reported by certain  companies  in which the Company owns less than a 50% equity
interest.

      The  increase  in  minority  interest  expense  is  primarily  due  to new
minorities  resulting from  acquisitions and greater earnings by companies where
minority interests exist.

      Net income  increased  29.5% in the second  quarter of 1998 as compared to
the same period in 1997.  Absent the effect of 


                                      -13-
<PAGE>

                 MANAGEMENT'S DISCUSSION OF FINANCIAL CONDITION
                      AND RESULTS OF OPERATIONS (CONTINUED)

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

net  acquisitions and movements in  international  currency  exchange rates, net
income  increased  15.5% in the second quarter of 1998 as compared to the second
quarter of 1997.

Six Months 1998 Compared to Six Months 1997
- -------------------------------------------

      Consolidated  worldwide  revenues from commission and fee income increased
29.0% in the  first  six  months of 1998  compared  to the same  period in 1997.
Consolidated  domestic revenues  increased 30.0% in the first six months of 1998
to  $1,025.4  million  compared  to $788.5  million in the same  period in 1997.
Consolidated  international  revenues increased 27.8% in the first six months of
1998 to $887.1  million  compared to $694.4  million in the same period in 1997.
Absent the effect of the net acquisitions of subsidiary  companies and movements
in  international  currency  exchange  rates,  consolidated  worldwide  revenues
increased 16.9% in the first six months of 1998 compared to the first six months
of 1997.

      Operating  expenses  increased  27.4% in the first  six  months of 1998 as
compared to the same period in 1997. Excluding the effect of the net acquisition
activity and movements in international currency exchange rates mentioned above,
operating  expenses  increased  16.2% over 1997 levels.  This increase  reflects
normal salary increases and growth in client service expenditures to support the
increased revenue base.


                                      -14-
<PAGE>

                 MANAGEMENT'S DISCUSSION OF FINANCIAL CONDITION
                      AND RESULTS OF OPERATIONS (CONTINUED)

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

      Net interest expense  increased by $8.8 million in the first six months of
1998 as compared to the same period in 1997.  This increase  primarily  reflects
higher average borrowings during the period, resulting in part from the issuance
of the 2.25% Convertible Subordinated Debentures, partially offset by the effect
of higher average amounts of cash and marketable  securities invested during the
quarter.

      Pretax  profit  margin  for the  first  six  months  of 1998 was  13.4% as
compared to 12.6% in the same period in 1997.  Operating margin,  which excludes
interest and dividend  income and interest  expense,  was 14.3% in the first six
months of 1998 as compared to 13.3% in the same period in 1997.

      The effective income tax rate was 42.1% in the first six months of 1998 as
compared to 40.7% in the same period in 1997. This increase  primarily  reflects
an increase in non-deductible goodwill amortization.

      The  reduction  in equity in  affiliates  is the  result of lower  profits
reported by certain  companies  in which the Company owns less than a 50% equity
interest.

      The  increase  in  minority  interest  expense  is  primarily  due  to new
minorities  resulting from  acquisitions and greater earnings by companies where
minority interests exist.


                                      -15-
<PAGE>

                 MANAGEMENT'S DISCUSSION OF FINANCIAL CONDITION
                      AND RESULTS OF OPERATIONS (CONTINUED)

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

      Net income  increased 28.6% in the first six months of 1998 as compared to
the same period in 1997.  Absent the effect of net acquisitions and movements in
international  currency  exchange rates, net income increased 15.4% in the first
six months of 1998 as compared to the same period in 1997.

Capital Resources and Liquidity
- -------------------------------

      Cash and cash  equivalents  at June 30, 1998  decreased to $337.9  million
from $556.4 million at December 31, 1997. The  relationship  between payables to
the media and  suppliers  and  receivables  from  clients,  at June 30, 1998, is
consistent with industry norms.

      The  Company  maintains  relationships  with a number of banks  worldwide,
which have extended unsecured committed lines of credit in amounts sufficient to
meet the Company's cash needs.  At June 30, 1998, the Company had $647.0 million
in such  unsecured  committed  lines of credit,  comprised  of a $500.0  million
revolving credit  agreement  expiring June 30, 2003, and $147.0 million in lines
of credit,  principally  outside of the United States.  Of the $647.0 million in
unsecured committed lines, $463.8 million remained available at June 30, 1998.

      On January 6, 1998, the Company issued  $230,000,000 of 2.25%  Convertible
Subordinated  Debentures  with a scheduled  maturity in 2013. The debentures are
convertible into common stock of the Company at a conversion price of $49.83 per
share 


                                      -16-
<PAGE>

                 MANAGEMENT'S DISCUSSION OF FINANCIAL CONDITION
                      AND RESULTS OF OPERATIONS (CONTINUED)

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

subject to adjustment  in certain  events.  Debenture  holders have the right to
require  the Company to redeem the  debentures  on January 6, 2004 at a price of
118.968%,  or upon the  occurrence  of a Fundamental  Change,  as defined in the
indenture agreement,  at the prevailing redemption price. The Company may redeem
the  debentures,  as a whole or in part, on or after December 31, 2001 initially
at 112.841% and at increasing  prices  thereafter  to 118.968%  until January 6,
2004,  and 100%  thereafter.  Unless  the  debentures  are  redeemed,  repaid or
converted prior thereto,  the debentures will mature on January 6, 2013 at their
principal  amount.  The  proceeds  of this  issuance  are being used for general
corporate purposes, including working capital.

      On March 4, 1998, the Company issued  4,000,000 shares of common stock for
aggregate  proceeds  before  expenses  of  $171,400,000.  The  proceeds  of this
issuance are being used for general corporate purposes, including the funding of
the acquisition of GGT.

      On  June  24,  1998,  the  Company  issued  French  Francs   1,000,000,000
(approximately  $164 million at the June 24, 1998  exchange  rate) of 5.2% Notes
with a scheduled  maturity in 2005. The proceeds of this issuance are being used
for general corporate purposes.

      Management believes the aggregate lines of credit available to the Company
plus cash flows from  operations  will be adequate  to support  its  anticipated
requirements.


                                      -17-
<PAGE>

                 MANAGEMENT'S DISCUSSION OF FINANCIAL CONDITION
                      AND RESULTS OF OPERATIONS (CONTINUED)

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

Year 2000 Issue
- ---------------

      The Year 2000 issue is the result of computer programs being written using
two digits, rather than four, to define the applicable year. Accordingly, any of
the computer programs utilized by the Company that have date sensitive  software
may cause system failures or miscalculations if data entry of "00" is recognized
as a date other than 2000.

      The Company has determined  that it is required to modify  portions of its
software  so that its  computer  systems  will  properly  utilize  dates  beyond
December 31, 1999. The Company is dependent on third-party  computer systems and
applications,  particularly  with respect to such critical  tasks as accounting,
billing  and  buying,  planning  and  paying  for  media,  as well as on its own
computer systems and internally developed  applications.  The Company intends to
modify or replace all affected  systems for  compliance,  and is also monitoring
the adequacy of the  processes  and progress of  third-party  vendors of systems
that may be  affected by the Year 2000 issue.  The  Company  believes  that with
upgrades or modifications  to existing  software and conversion to new software,
the impact of the Year 2000 issue can be overcome.  However,  if such  upgrades,
modifications  and conversions are not made, or are not made in a timely manner,
the Year 2000 issue could have a material impact on the Company's operations.


                                      -18-
<PAGE>

                 MANAGEMENT'S DISCUSSION OF FINANCIAL CONDITION
                      AND RESULTS OF OPERATIONS (CONTINUED)

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

      The  Company  will  utilize  both  internal  and  external   resources  to
reprogram,  or replace, and test software for Year 2000 compliance.  The Company
has a team of managers  dedicated to  addressing  Year 2000  compliance  for the
Company,  clients,  and  vendors.  The  costs of the  project  have not yet been
determined  but are  not  expected  to have a  material  adverse  effect  on the
Company.  Amounts  incurred are expected to be expensed as incurred,  unless new
software is purchased  which will be  capitalized.  The Company has not incurred
significant costs to date.


                                      -19-
<PAGE>

                           PART II. OTHER INFORMATION

Item 4.  Submission of matters to a Vote of Security Holders

      The Annual Meeting of the  Shareholders of the Company was held on May 18,
1998 in New York,  New York, at which three matters were  submitted to a vote of
the share owners:

      (a) Votes cast for or where  authority to vote for was withheld  regarding
the re-election of six Directors,  five of which for a term expiring in 2001 and
one of which for a term expiring in 1999, were as follows:

                                                               AUTHORITY
                                               FOR              WITHHELD
                                               ---              --------
         (Term Expiring in 2001)
       Bruce Crawford                       145,642,406         1,212,429
       Susan S. Denison                     145,620,158         1,234,677
       Keith L. Reinhard                    142,487,765         4,367,070
       Allen Rosenshine                     145,646,932         1,207,903
       John D. Wren                         145,649,302         1,205,533
         (Term Expiring in 1999)
       Gary L. Roubos                       145,638,268         1,216,567
       
      (b) Votes cast for or against and the number of abstentions  regarding the
confirmation of the  appointment of Arthur Andersen LLP as independent  auditors
of the Company to serve for 1998 were as follows:

         FOR                                146,455,108
         AGAINST                                 85,554
         ABSTAIN                                314,173


                                      -20-
<PAGE>

                           PART II. OTHER INFORMATION (CONTINUED)
- --------------------------------------------------------------------------------

Item 4.  Submission of Matters to a Vote of Security Holders (continued)

         (c) Votes cast for or against and the number of  abstentions  regarding
the approval of the 1998 Incentive Compensation Plan were as follows:

         FOR                                  124,398,374
         AGAINST                                6,724,422
         ABSTAIN                                1,177,542

Item 6.  Exhibits

   Exhibit
    Number                          Description of Exhibit
    ------                          ----------------------
     4.1      Copy  of  Fiscal  Agency   Agreement   dated  June  24,  1998,  in
              connection  with the  issuance  of FRF  1,000,000,000  5.20% Notes
              due 2005.

     4.2      Copy of  Subscription  Agreement  dated June 22, 1998 by and among
              Omnicom   Group  Inc.,   Morgan   Stanley  S.A.  and  Others,   in
              connection  with the  issuance  of FRF  1,000,000,000  5.20% Notes
              due 2005.

     4.3      Copy of Deed  of Covenant  dated June 24, 1998, in connection with
              the issuance of FRF 1,000,000,000 5.20% Notes due 2005.

    10.1      Copy of  Omnicom  Group Inc.  1998  Incentive  Compensation  Plan,
              filed as Exhibit A to Omnicom Group Inc.'s Proxy  Statement  dated
              April 6, 1998, is incorporated herein by reference.

    27        Financial Data Schedule (filed in electronic format only)


                                      -21-
<PAGE>

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.
                                            (Registrant)
                                            ------------------

Date August 14, 1998                        /s/ Fred J. Meyer
                                            ----------------------
                                            Fred J. Meyer
                                            Chief Financial Officer
                                            (Principal Financial
                                            Officer)

Date August 14, 1998                        /s/ Jonathan E. Ramsden
                                            ----------------------------
                                            Jonathan E. Ramsden
                                            Controller
                                            (Principal Accounting
                                            Officer)


                                      -22-


                                                                  CONFORMED COPY

                               OMNICOM GROUP INC.

                                FRF 1,000,000,000
                          5.20 per cent. Notes due 2005

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

                             FISCAL AGENCY AGREEMENT

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

                                  24 June 1998

                                 Clifford Chance
                                     London

<PAGE>

                                    CONTENTS

Clause                                                                      Page

1.  Interpretation...........................................................  1

2.  Appointment of the Paying Agents.........................................  3

3.  The Notes................................................................  3

4.  Delivery of Temporary Global Note, Permanent 
       Global Note and Definitive Notes......................................  5

5.  Replacement Notes and Coupons............................................  6

6.  Payments to the Fiscal Agent.............................................  6

7.  Payments to Noteholders..................................................  8

8.  Miscellaneous Duties of the Paying Agents................................ 10

9.  Fees and Expenses........................................................ 12

10. Terms of Appointment..................................................... 13

11. Changes in Paying Agents................................................. 14

12. Notices.................................................................. 16

13. Law and Jurisdiction..................................................... 17

14. Modification............................................................. 18

15. Counterparts............................................................. 18

THE FIRST SCHEDULE........................................................... 19
    Form of Temporary Global Note............................................ 19

THE SECOND SCHEDULE.......................................................... 28
    Form of Permanent Global Note............................................ 28

THE THIRD SCHEDULE........................................................... 34
    Form of Definitive Note and Coupon....................................... 34

THE FOURTH SCHEDULE.......................................................... 39
    Terms and Conditions of the Notes........................................ 39

<PAGE>

THE FIFTH SCHEDULE........................................................... 45
    Provisions for Meetings of the Noteholders............................... 45

THE SIXTH SCHEDULE........................................................... 52
    Specified Offices of the Agents.......................................... 52

<PAGE>

THIS AGREEMENT is made on 24 June 1998

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

BETWEEN

(1)   OMNICOM GROUP INC. (the "Issuer");

(2)   SOCIETE  GENERALE BANK & TRUST S.A.,  LUXEMBOURG as fiscal agent (together
      with any successor  appointed as fiscal agent in accordance with Clause 11
      (Changes in Paying Agents),  the "Fiscal Agent") and as common  depositary
      of the Global Notes referred to below and the Notes, if any, in definitive
      form delivered for exchange hereunder (the "Common Depositary"); and

(3)   SOCIETE  GENERALE as paying agent  (together with the Fiscal Agent and any
      successor to any paying agent  appointed  from time to time in  accordance
      with Clause 11 (Changes in Paying Agents), the "Paying Agents").

WHEREAS

(A) The Issuer has  authorised  the  creation and issue of  FRF1,000,000,000  in
aggregate principal amount of 5.20 per cent. Notes due 2005 (the "Notes").

(B) The Notes will be in bearer form and in the  denominations  of FRF10,000 and
FRF100,000.  The Notes will initially be in the form of a temporary  global Note
(the  "Temporary  Global  Note"),  interests in which will be  exchangeable  for
interests in a permanent global Note (the "Permanent  Global Note" and, together
with the  Temporary  Global  Note,  the  "Global  Notes")  in the  circumstances
specified in the Temporary Global Note. The Permanent Global Note will, in turn,
be exchangeable for Notes in definitive form ("Definitive Notes"), with interest
coupons  ("Coupons")  attached in the  circumstances  specified in the Permanent
Global Note. The Issuer will, in relation to the Notes insofar as represented by
the Permanent  Global Note, enter into a deed of covenant dated 24 June 1998 (as
amended or supplemented from time to time, the "Deed of Covenant").

(C) The Issuer and the Paying Agents wish to record certain  arrangements  which
they have made in relation to the Notes.

IT IS AGREED as follows:

1.    Interpretation

1.01  Definitions:   In  this  Agreement  the  following  expressions  have  the
      following meanings:

      "Business Day" means a day on which commercial banks are open for business
      and foreign exchange settlements in Paris and Luxembourg;

      "Cedel Bank" means Cedel Bank, societe anonyme;

      "Closing Date" means 24 June 1998;


                                      -1-
<PAGE>

      "Conditions"  means the Terms and Conditions of the Notes (as scheduled to
      this  Agreement and as modified  from time to time in accordance  with the
      Terms and  Conditions  of the  Notes),  and any  reference  to a  numbered
      "Condition" is to the correspondingly numbered provision thereof;

      "Euroclear"  means Morgan  Guaranty  Trust  Company of New York,  Brussels
      office, as operator of the Euroclear System;

      "Exchange  Date" means the first day following the expiry of 40 days after
      the issue of the Notes;

      "FRF" and "French Francs" denote the lawful currency for the time being of
      France;

      "Local  Banking  Day" means a day (other  than a Saturday  or a Sunday) on
      which  commercial  banks  are open for  business  (including  dealings  in
      foreign exchange and foreign  currency  deposits) in the city in which the
      Fiscal Agent has its Specified Office;

      "Local  Time" means the time in the city in which the Fiscal Agent has its
      Specified Office;

      "Noteholders" means the holders of the Notes for the time being;

      "Pre-Closing  Date" means the last day preceding the Closing Date on which
      banks are open for business and on which dealings in foreign  currency may
      be carried on in Luxembourg;

      "Replacement  Agents"  means the Fiscal  Agent and the Paying Agent having
      its Specified Office in Paris;

      "Required  Paying  Agent"  means any Paying Agent (which may be the Fiscal
      Agent) which is the sole remaining  Paying Agent with its Specified Office
      in any city where a stock exchange on which the Notes are listed  requires
      there to be a Paying Agent; and

      "SICOVAM" means SICOVAM S.A.;

      "Specified Office" means, in relation to any Paying Agent:

            (a)   the office  specified  against its name in the Sixth  Schedule
                  (Specified Offices of the Paying Agents); or

            (b)   such  other  office  as  such  Paying  Agent  may  specify  in
                  accordance with Clause 11.08 (Changes in Specified Offices).

1.02 Meaning of  outstanding:  For the purposes of this  Agreement and the Notes
(but  without  prejudice to its status for any other  purpose),  a Note shall be
considered to be  "outstanding"  unless one or more of the following  events has
occurred:

      (a)   it has been  redeemed  in  full,  or  purchased  under  Condition  5
            (Redemption  and Purchase -  Purchase),  and in either case has been
            cancelled;


                                      -2-
<PAGE>

      (b)   the due date for its  redemption  in full has  occurred and all sums
            due in respect of such Note  (including  all accrued  interest) have
            been  received by the Fiscal Agent and remain  available for payment
            against  presentation and surrender of such Note or (as the case may
            be) the relevant Coupons;

      (c)   all claims for  principal  and interest in respect of such Note have
            become void under Condition 9 (Prescription);

      (d)   it has been  mutilated or defaced,  or is alleged to have been lost,
            stolen or destroyed,  and has been replaced pursuant to Condition 10
            (Replacement of Notes and Coupons); or

      (e)   for the purposes of the Fifth Schedule  (Provisions  for Meetings of
            the  Noteholders)  only,  it is held by,  or by any  person  for the
            benefit of, the Issuer.

1.03 Clauses and  Schedules:  Any  reference in this  Agreement to a Clause or a
Schedule is, unless otherwise stated, to a clause hereof or a schedule hereto.

1.04 Principal and interest:  In this  Agreement,  any reference to principal or
interest  includes any additional  amounts payable in relation thereto under the
Conditions.

1.05 Terms defined in the Conditions: Terms and expressions used but not defined
herein have the respective meanings given to them in the Conditions.

1.06  Statutes:  Any  reference in this  Agreement to a statute,  any  provision
thereof or to any  statutory  instrument,  order or regulation  made  thereunder
shall  be  construed  as a  reference  to  such  statute,  provision,  statutory
instrument,  order or  regulation as the same may have been, or may from time to
time be, amended or re-enacted.

1.07  Headings:  Headings and  sub-headings  are for ease of reference  only and
shall not affect the construction of this Agreement.

2. Appointment of the Paying Agents

2.01 Appointment: The Issuer appoints each Paying Agent as its agent in relation
to the Notes for the purposes specified in this Agreement and in the Conditions.

2.02  Acceptance of  appointment:  Each Paying Agent accepts its  appointment as
agent of the  Issuer in  relation  to the Notes  and  agrees to comply  with the
provisions of this Agreement.

3. The Notes

3.01 Temporary Global Note: The Temporary Global Note shall:

      (a)   be in substantially  the form set out in the First Schedule (Form of
            Temporary Global Note); and


                                      -3-
<PAGE>

      (b)   be executed  manually or in  facsimile by or on behalf of the Issuer
            and authenticated manually by or on behalf of the Fiscal Agent.

3.02 Permanent Global Note: The Permanent Global Note shall:

      (a)   be in substantially the form set out in the Second Schedule (Form of
            Permanent Global Note); and

      (b)   be executed  manually or in  facsimile by or on behalf of the Issuer
            and authenticated manually by or on behalf of the Fiscal Agent.

3.03 Definitive Notes: Each Definitive Note shall:

      (a)   be in substantially  the form set out in the Third Schedule (Form of
            Definitive  Note) and have  attached to it Coupons in  substantially
            the forms set out therein;

      (b)   be  security   printed  in  accordance  with  all  applicable  legal
            requirements;

      (c)   have a unique certificate number printed thereon; and

      (d)   be executed  manually or in  facsimile by or on behalf of the Issuer
            and authenticated manually by or on behalf of the Fiscal Agent.

3.04 Signatures: Any signature on a Note shall be that of a person who is at the
time of the  signature an  authorised  signatory  for such purpose of the Issuer
notwithstanding  that such person has for any reason (including death) ceased to
be such an authorised signatory at the time at which such Note is delivered.

3.05 Availability:  The Issuer shall arrange for the  unauthenticated  Permanent
Global  Note to be made  available  to or to the order of the  Fiscal  Agent not
later than 10 days  before the  Exchange  Date.  If the  Issuer is  required  to
deliver Definitive Notes pursuant to the terms of the Permanent Global Note, the
Issuer  shall  arrange for  FRF1,000,000,000  in aggregate  principal  amount of
unauthenticated  Definitive Notes to be made available to or to the order of the
Fiscal  Agent as soon as  practicable  and in any event  not later  than 30 days
after the bearer of the  Permanent  Global Note has  requested  its exchange for
Definitive  Notes  and the  Fiscal  Agent has  given  the  Issuer  notice of the
request. The Issuer shall also arrange for such unauthenticated Temporary Global
Notes, Permanent Global Notes,  Definitive Notes, and Coupons as are required to
enable  the  Replacement  Agents to perform  their  obligations  under  Clause 5
(Replacement  Notes and Coupons) to be made  available to or to the order of the
Replacement Agents from time to time after request.

3.06 Duties of Fiscal Agent and Replacement Agents: Each of the Fiscal Agent and
the Replacement Agents shall hold in safe custody all unauthenticated  Temporary
Global Notes, Permanent Global Notes, Definitive Notes, and Coupons delivered to
it in accordance with Clause 3.05  (Availability) and shall ensure that they are
authenticated (in the case of Temporary Global Notes, Permanent Global Notes and
Definitive Notes) and delivered only in accordance with the terms hereof, of the
Conditions  and of the  Temporary  Global  Note  or (as  the  case  may  be) the
Permanent Global Note.


                                      -4-
<PAGE>

3.07 Authority to authenticate:  The Fiscal Agent is authorised by the Issuer to
authenticate  the  Temporary  Global Note,  the  Permanent  Global Note and each
Definitive  Note  delivered  pursuant to Clause 4 and the  Replacement  Agent is
authorised  by the  Issuer  to  authenticate  each  replacement  Note  delivered
pursuant to Clause 5, in each case by the  signature  of any of its  officers or
any other person duly  authorised for the purpose by the Fiscal Agent or (as the
case may be) such Replacement Agent.

4. Delivery of Temporary Global Note, Permanent Global Note and Definitive Notes

4.01  Delivery of Temporary  Global Note and Permanent  Global Note:  Subject to
receipt by the Fiscal Agent of the Temporary Global Note and upon receipt by the
Fiscal Agent of written  instructions from the Issuer, the Fiscal Agent shall on
the Pre-Closing  Date  authenticate and deliver to Societe Generale Bank & Trust
S.A.,  Luxembourg,  as common  depositary  for  Euroclear  and Cedel  Bank,  the
Temporary  Global Note. The Temporary  Global Note will be held in escrow by the
Common Depositary until  notification has been received by the Common Depositary
that payment for the Notes has been  received by the Issuer.  Subject to receipt
by the Fiscal Agent of the Permanent  Global Note in accordance with Clause 3.05
(Availability), the Fiscal Agent shall, against presentation or (as the case may
be)  surrender to it of the  Temporary  Global Note and in  accordance  with the
terms thereof,  authenticate  and deliver to the bearer of the Temporary  Global
Note the Permanent Global Note in the aggregate principal amount required by the
terms of the Temporary  Global Note or, if the Permanent Global Note has already
been issued in exchange for part only of the Temporary Global Note, procure that
such aggregate principal amount is noted in the schedule to the Permanent Global
Note and procure the signature of such notation on its behalf.

4.02  Annotation  of Temporary  Global Note and  Permanent  Global Note: On each
occasion on which the Permanent Global Note is delivered pursuant to Clause 4.01
(Delivery  of Permanent  Global Note) or a further  exchange of interests in the
Temporary  Global Note for interests in the Permanent  Global Note is made,  the
Fiscal Agent shall  procure that there is noted in the  respective  schedules to
the Temporary Global Note and the Permanent Global Note the aggregate  principal
amount of interests in the  Permanent  Global Note so delivered  (the  "relevant
principal  amount"),  the new aggregate principal amount of the Permanent Global
Note (which shall be the  previous  principal  amount  thereof plus the relevant
principal  amount) and the remaining  principal  amount of the Temporary  Global
Note (which shall be the  previous  principal  amount  thereof less the relevant
principal  amount) and shall  procure the signature of each such notation on its
behalf.  The Fiscal  Agent  shall  cancel or  procure  the  cancellation  of the
Temporary  Global  Note  when  and if it has  made  full  exchange  thereof  for
interests in the Permanent Global Note.

4.03  Delivery of  Definitive  Notes:  Subject to receipt by the Fiscal Agent of
Definitive Notes in accordance with Clause 3.05 (Availability), the Fiscal Agent
shall,  against  presentation  or (as the  case may be)  surrender  to it of the
Permanent Global Note and in accordance with the terms thereof, authenticate and
deliver  Definitive  Notes in the  required  aggregate  principal  amount to the
bearer of the Permanent  Global Note;  provided,  however,  that each Definitive
Note shall at the time of its delivery have  attached  thereto only such Coupons
as shall  ensure  that  neither  loss nor gain  accrues to the  bearer  thereof.
Societe  Generale,  in its capacity as common  depositary,  undertakes  with the
Issuer that it shall hold in safe custody all Definitive  Notes  delivered to it
as bearer of the Permanent  Global Note and make  arrangements for collection of
such Definitive Notes by investors entitled thereto.


                                      -5-
<PAGE>

4.04 Annotation of Permanent Global Note upon exchange for Definitive  Notes: On
such  occasion as  Definitive  Notes are delivered in exchange for the Permanent
Global Note,  the Fiscal Agent shall procure that there is noted in the schedule
to the Permanent Global Note the aggregate  principal amount of Definitive Notes
so delivered (the "relevant  principal  amount") and shall procure the signature
of such  notation on its behalf.  The Fiscal  Agent shall  cancel or procure the
cancellation of the Permanent Global Note when it has made full exchange thereof
for Definitive Notes.

5. Replacement Notes and Coupons

5.01  Delivery of  Replacements:  Subject to receipt of  sufficient  replacement
Temporary Global Notes, Permanent Global Notes,  Definitive Notes and Coupons in
accordance with Clause 3.05  (Availability),  each Replacement Agent shall, upon
and in accordance with the instructions of the Issuer (which  instructions  may,
without  limitation,  include  terms as to the  payment  of  expenses  and as to
evidence,  security and  indemnity),  authenticate  (if necessary) and deliver a
Temporary  Global Note,  Permanent  Global Note,  Definitive Note or Coupon as a
replacement for any Temporary  Global Note,  Permanent  Global Note,  Definitive
Note or Coupon  which has been  mutilated or defaced or which is alleged to have
been destroyed,  stolen or lost; provided,  however, that the Replacement Agents
shall not deliver any Temporary Global Note,  Permanent Global Note,  Definitive
Note or Coupon as a replacement for any Temporary Global Note,  Permanent Global
Note,  Definitive  Note or Coupon which has been mutilated or defaced  otherwise
than against surrender of the same and shall not issue any replacement Temporary
Global  Note,  Permanent  Global  Note,  Definitive  Note or  Coupon  until  the
applicant has furnished the  Replacement  Agent with such evidence and indemnity
as the Issuer and the Replacement Agent may reasonably require and has paid such
costs and expenses as may be incurred in connection with such replacement.

5.02  Replacements  to be  numbered:  Each  replacement  Temporary  Global Note,
Permanent Global Note,  Definitive Note or Coupon delivered under this Agreement
shall bear a unique certificate or (as the case may be) serial number.

5.03  Cancellation of mutilated or defaced Notes:  Each Replacement  Agent shall
cancel each mutilated or defaced  Temporary Global Note,  Permanent Global Note,
Definitive  Note or Coupon  surrendered  to it in respect of which a replacement
has been delivered.

5.04 Notification: Each Replacement Agent shall notify the Issuer and each other
Paying Agent of the  delivery by it of any  replacement  Temporary  Global Note,
Permanent Global Note,  Definitive Note or Coupon  specifying the certificate or
serial number thereof and the certificate or serial number (if any and if known)
of the Temporary Global Note,  Permanent Global Note,  Definitive Note or Coupon
which it replaces and  confirming  that the  Temporary  Global  Note,  Permanent
Global Note, Definitive Note or Coupon which it replaces has been cancelled.

6. Payments to the Fiscal Agent

6.01  Issuer  to pay  Fiscal  Agent:  In order to  provide  for the  payment  of
principal  and  interest  in  respect of the Notes as the same  becomes  due and
payable,  not later than the day on which such  payment  becomes due, the Issuer
shall pay to the Fiscal  Agent,  to the account of the Fiscal  Agent  maintained
with Societe  Generale,  29 boulevard  Haussmann,  75009 Paris (or to such other
account as may be  designated  by the Fiscal Agent by notice given  hereunder to
the Issuer from time to time),


                                      -6-
<PAGE>

an amount equal to the amount of principal  and/or (as the case may be) interest
falling due in respect of the Notes on such date, for value on such date, unless
a Credit Event (as defined below) has occurred and is continuing on the Business
Day before the date on which the final payment is due under the Notes,  in which
case,  the Issuer shall make such payment to the Fiscal Agent as provided  above
on the Business Day before such final payment is due. For this purpose,  "Credit
Event" means the rating of the long term  unsecured  unsubordinated  debt of the
Issuer at a level  below A (or the  equivalent)  by  Standard  & Poor's  Ratings
Services ("Standard & Poor's");  provided however,  that in the event Standard &
Poor's  does not  provide a rating of such debt of the  Issuer,  "Credit  Event"
shall  mean the  rating of the long term  unsecured  unsubordinated  debt of the
Issuer at a level below A3 by Moody's  Investors  Service  Inc. The Issuer shall
give the Fiscal  Agent  notice of the  ratings of such debt of the Issuer on the
thirtieth  day  before  the date on which the final  payment  under the Notes is
scheduled  to be paid and shall also give the Fiscal  Agent notice of any change
in such ratings after such  thirtieth day and before the date such final payment
is due.

6.02 Manner and time of payment:  Each amount  payable under Clause 6.01 (Issuer
to pay Fiscal Agent) shall be paid  unconditionally by credit transfer in French
Francs and in  immediately  available,  freely  transferable,  cleared funds not
later than 10.00 a.m. (Paris time) on the relevant day specified in Clause 6.01.
The Issuer  shall,  before 10.00 a.m.  (Local  Time) on the second  Business Day
before  the due date of each  payment  by it under  Clause  6.01  (Issuer to pay
Fiscal  Agent),  procure  that the bank  effecting  payment  for it  confirms by
authenticated  SWIFT message MT100 to the Fiscal Agent the payment  instructions
relating to such payment  indicating  that they provide for payment for value on
the relevant date.

6.03 Exclusion of liens and interest: The Fiscal Agent shall be entitled to deal
with each amount paid to it under this Clause 6 (Payments  to the Fiscal  Agent)
in the same  manner as other  amounts  paid to it as a banker by its  customers;
provided, however, that:

      (a)   it shall not exercise  against the Issuer any lien, right of set-off
            or similar claim in respect thereof; and

      (b)   it shall not be liable to any person for interest thereon.

6.04  Application by Fiscal Agent: The Fiscal Agent shall apply each amount paid
to it hereunder in accordance with Clause 7 (Payments to Noteholders)  and shall
not be  obliged  to repay any such  amount  unless  the  claim for the  relevant
payment becomes void under Condition 9  (Prescription),  in which event it shall
refund at the  written  request of the  Issuer  such  portion of such  amount as
relates to such  payment by paying the same by credit  transfer  in  immediately
available  funds in French Francs to such account with such bank in Paris as the
Issuer has by notice to the Fiscal Agent specified for the purpose.

6.05 Failure to confirm  payment  instructions:  If the Fiscal Agent has not, by
12.00 noon (Local  Time) on the second  Business  Day before the due date of any
payment  to it  under  Clause  6.01  (Issuer  to  pay  Fiscal  Agent),  received
confirmation  by  Swift  message  MT100  of the  relevant  payment  instructions
referred to in Clause  6.02  (Manner and time of  payment),  it shall  forthwith
notify the Issuer and the other Paying Agents. If the Fiscal Agent  subsequently
receives  confirmation of such payment  instructions,  it shall forthwith notify
the Issuer and the other Paying Agents.


                                      -7-
<PAGE>

7. Payments to Noteholders

7.01 Payments by Paying  Agents:  Each Paying Agent acting through its Specified
Office shall make  payments of principal and interest in respect of the Notes in
accordance with the Conditions (and, in the case of the Temporary Global Note or
the Permanent Global Note, the terms thereof); provided, however, that:

      (a)   if any  Definitive  Note or Coupon is presented or  surrendered  for
            payment to any Paying  Agent and such Paying  Agent has  delivered a
            replacement  therefor  or has been  notified  that the same has been
            replaced,  such Paying  Agent shall  forthwith  notify the Issuer of
            such  presentation  or surrender and shall not make payment  against
            the same until it is so  instructed  by the Issuer and has  received
            the amount to be so paid;

      (b)   a Paying  Agent shall not be obliged (but shall be entitled) to make
            payments of principal or interest in respect of the Notes, if:

            (i)   in the  case of the  Fiscal  Agent,  it has not  been  able to
                  ascertain  that it has received the full amount of any payment
                  due to it under Clause 6.01 (Issuer to pay Fiscal Agent); or

            (ii)  in the case of any other Paying Agent:

                  (1)   it has been  notified  in  accordance  with  Clause 6.05
                        (Failure   to   confirm   payment   instructions)   that
                        confirmation of the relevant  payment  instructions  has
                        not been received,  unless it is  subsequently  notified
                        that confirmation of such payment  instructions has been
                        received; or

                  (2)   it is not able to  establish  that the Fiscal  Agent has
                        received  (whether  or not at the  due  time)  the  full
                        amount  of any  payment  due  to it  under  Clause  6.01
                        (Issuer to pay Fiscal Agent);

      (c)   each  Paying  Agent  shall  cancel  each  Definitive  Note or Coupon
            against  surrender of which it has made full  payment and shall,  in
            the case of a Paying Agent other than the Fiscal Agent, deliver each
            Definitive Note or Coupon so cancelled by it to, or to the order of,
            the Fiscal Agent;

      (d)   in the case of payment of principal or interest against presentation
            of the  Temporary  Global Note or the  Permanent  Global  Note,  the
            relevant  Paying  Agent  shall  procure  that  there is noted in the
            schedule  to the  Temporary  Global Note or (as the case may be) the
            Permanent Global Note the amount of such payment and, in the case of
            payment  of  principal,   the  remaining  principal  amount  of  the
            Temporary  Global Note or (as the case may be) the Permanent  Global
            Note (which shall be the previous  principal amount thereof less the
            amount of principal  then paid) and shall  procure the  signature of
            such notation on its behalf; and


                                      -8-
<PAGE>

      (e)   notwithstanding  any other provision of this Agreement,  each Paying
            Agent shall be entitled to make a deduction or withholding  from any
            payment which it makes under this Agreement for or on account of any
            present or future  taxes,  duties or charges if and to the extent so
            required by  applicable  law, in which event such Paying Agent shall
            make such payment after such  withholding or deduction has been made
            and shall  account  to the  relevant  authorities  for the amount so
            withheld or deducted; provided that each Paying Agent shall promptly
            inform  the  Issuer in the event  that it  becomes  aware  that such
            withholding  or  deduction  shall be  required  with  respect to any
            payment hereunder.

7.02  Exclusion of liens and  commissions:  No Paying  Agent shall  exercise any
lien,  right of set-off or similar claim against any person to whom it makes any
payment under Clause 7.01  (Payments by Paying Agents) in respect  thereof,  nor
shall any  commission  or expense be charged by it to any such person in respect
thereof.

7.03  Reimbursement  by Fiscal  Agent:  If a Paying  Agent other than the Fiscal
Agent makes any payment in  accordance  with  Clause  7.01  (Payments  by Paying
Agents):

      (a)   it shall  notify the  Fiscal  Agent of the amount so paid by it, the
            certificate or serial number (if any) of the Temporary  Global Note,
            Permanent   Global   Note,   Definitive   Note  or  Coupon   against
            presentation or surrender of which payment of principal was made, or
            of the Temporary  Global Note,  Permanent  Global Note or Definitive
            Note against  presentation or surrender of which payment of interest
            was made, and the number of Coupons by maturity against presentation
            or surrender of which payment of interest was made; and

      (b)   subject to and to the extent of compliance by the Issuer with Clause
            6.01 (Issuer to pay Fiscal Agent)  (whether or not at the due time),
            the Fiscal  Agent  shall pay to such  Paying  Agent out of the funds
            received by it under  Clause 6.01 (Issuer to pay Fiscal  Agent),  by
            credit  transfer  in French  Francs  and in  immediately  available,
            freely transferable, cleared funds to such account with such bank in
            Paris  as such  Paying  Agent  has by  notice  to the  Fiscal  Agent
            specified for the purpose,  an amount equal to the amount so paid by
            such Paying Agent.

7.04  Appropriation  by Fiscal  Agent:  If the Fiscal Agent makes any payment in
accordance with Clause 7.01 (Payments by Paying Agents), it shall be entitled to
appropriate  for its own  account out of the funds  received by it under  Clause
6.01 (Issuer to pay Fiscal Agent) an amount equal to the amount so paid by it.

7.05  Reimbursement  by Issuer:  Subject to Clauses 7.01(a) and (b) (Payments by
Paying  Agents),  if a Paying  Agent  makes a payment  in respect of Notes on or
after the due date for such payment under the  Conditions at a time at which the
Fiscal Agent has not received the full amount of the relevant  payment due to it
under Clause 6.01 (Issuer to pay Fiscal  Agent) and the Fiscal Agent is not able
out of funds  received by it under Clause 6.01  (Issuer to pay Fiscal  Agent) to
reimburse  such Paying  Agent  therefor  (whether by payment  under  Clause 7.03
(Reimbursement  by  the  Fiscal  Agent)  or  appropriation   under  Clause  7.04
(Appropriation  by the Fiscal  Agent)),  the  Issuer  shall from time to time on
demand pay to the Fiscal Agent for account of such Paying Agent:


                                      -9-
<PAGE>

      (a)   the amount so paid out by such Paying Agent and not so reimbursed to
            it; and

      (b)   interest on such  amount  from the date on which such  Paying  Agent
            made such payment until the date of reimbursement of such amount;

provided, however, that any payment made under paragraph (a) above shall satisfy
pro tanto the  obligations of the Issuer under Clause 6.01 (Issuer to pay Fiscal
Agent).

7.06 Interest:  Interest shall accrue for the purpose of paragraph (b) of Clause
7.05  (Reimbursement  by Issuer) (as well after as before judgment) on the basis
of a year of 360 days and the actual number of days elapsed from, and including,
the day they are  advanced by the relevant  Paying Agent and to, but  excluding,
the day of  reimbursement  by the Issuer as  provided  in Clause 7.05 and at the
rate per annum which is charged by such  Paying  Agent at the time in respect of
overdraft facilities extended to prime borrowers.

7.07 Partial payments:  If at any time and for any reason a Paying Agent makes a
partial  payment in respect of the Temporary  Global Note, the Permanent  Global
Note or any Definitive  Note or Coupon  presented for payment to it, such Paying
Agent shall enface  thereon a statement  indicating  the amount and date of such
payment.

8. Miscellaneous Duties of the Paying Agents

8.01 Records: The Fiscal Agent shall:

      (a)   maintain a record of the  Temporary  Global  Note and the  Permanent
            Global Note and all Definitive Notes and Coupons delivered hereunder
            and  of  their  redemption,   payment,   cancellation,   mutilation,
            defacement, alleged destruction, theft, loss or replacement (and, in
            the case of the Temporary Global Note, exchange of interests thereof
            for interests in the  Permanent  Global Note and, in the case of the
            Permanent  Global  Note,  exchange  thereof for  Definitive  Notes);
            provided,  however,  that no record need be maintained of the serial
            numbers of Coupons, save for the serial numbers of Coupons for which
            replacements have been issued under Clause 5 (Replacement  Notes and
            Coupons) and unmatured  Coupons missing at the time of redemption or
            other  cancellation  of the  relevant  Definitive  Notes and for any
            subsequent payments against such Coupons;

      (b)   maintain a record of all certifications received by it in accordance
            with Clause 8.03 (Certifications) or the provisions of the Temporary
            Global  Note for the  period  specified  in United  States  Treasury
            Regulations Section  1.163-5(c)(2)(i)(D)(3)(i) and all confirmations
            received by it in accordance with Clause 8.04 (Cancellation); and

      (c)   make such records  available for inspection at all reasonable  times
            by the Issuer and the other Paying Agents.

8.02 Information from Paying Agents: The Paying Agents and the Common Depositary
if it is  involved  in an  exchange of  Definitive  Notes for  interests  in the
Permanent  Global Note shall make available to the Fiscal Agent such information
as is  reasonably  required for the  maintenance  of the records  referred to in
Clause 8.01 (Records).


                                      -10-
<PAGE>

8.03 Certifications: Each Paying Agent shall promptly copy to the Issuer and, in
the case of a Paying  Agent other than the Fiscal  Agent,  the Fiscal  Agent any
certification  received by it in accordance with the provisions of the Temporary
Global Note.

8.04 Cancellation:  The Issuer may from time to time deliver to the Fiscal Agent
Definitive  Notes and  unmatured  Coupons  relating  thereto  for  cancellation,
whereupon the Fiscal Agent shall cancel such  Definitive  Notes and Coupons.  In
addition,  the Issuer may from time to time  procure the  delivery to the Fiscal
Agent  of  the  Temporary   Global  Note  or  the  Permanent  Global  Note  with
instructions  to  cancel  a  specified   aggregate  principal  amount  of  Notes
represented by it (which  instructions shall be accompanied by confirmation from
Euroclear or Cedel Bank that Notes having such aggregate principal amount may be
cancelled),  whereupon the Fiscal Agent shall procure that there is noted on the
schedule  to the  Temporary  Global  Note or (as the case may be) the  Permanent
Global  Note the  aggregate  principal  amount  of Notes  so  cancelled  and the
remaining  principal amount of the Temporary Global Note or (as the case may be)
the Permanent Global Note (which shall be the previous  principal amount thereof
less the aggregate principal amount of the Notes so cancelled) and shall procure
the signature of such notation on its behalf.

8.05 Definitive  Notes and Coupons in issue: As soon as practicable  (and in any
event within three months)  after each interest  payment date in relation to the
Notes,  after each date on which Notes are cancelled in  accordance  with Clause
8.04  (Cancellation)  and  after  any  date on  which  the  Notes  fall  due for
redemption in accordance with the Conditions,  the Fiscal Agent shall notify the
Issuer and the other Paying Agents (on the basis of the information available to
it) of the number of any Definitive Notes or Coupons against  surrender of which
payment has been made and of the number of any Definitive  Notes or (as the case
may be) Coupons which have not yet been surrendered for payment.

8.06 Forwarding of  communications:  The Fiscal Agent shall promptly  forward to
the Issuer a copy of any notice or communication  addressed to the Issuer by any
Noteholder which is received by the Fiscal Agent.

8.07 Publication of notices: The Fiscal Agent shall, upon and in accordance with
instructions  of the Issuer  received at least 10 Local  Banking Days before the
proposed publication date, arrange for the publication of any notice which is to
be given to the Noteholders and shall supply a copy thereof to each other Paying
Agent,  Euroclear,  Cedel  Bank and any  stock  exchange  on which the Notes are
listed.

8.08  Destruction:  The Fiscal  Agent shall  destroy the  Temporary  Global Note
following  its  cancellation  in  accordance  with  Clause 4.02  (Annotation  of
Temporary  Global Note and Permanent  Global Note) and the Permanent Global Note
following  its  cancellation  in  accordance  with  Clause 4.04  (Annotation  of
Permanent  Global Note upon  exchange for  Definitive  Notes) and the  Temporary
Global Note and the  Permanent  Global Note and each  Definitive  Note or Coupon
delivered to or cancelled by it in accordance  with Clause 7.01(c)  (Payments by
Paying Agents) or cancelled by it in accordance  with Clause 5.03  (Cancellation
of mutilated or defaced Notes) or Clause 8.04  (Cancellation),  in which case it
shall  furnish the Issuer  with a  certificate  of  destruction  specifying  the
certificate or serial  numbers (if any) of the Temporary  Global Note or (as the
case may be) the  Permanent  Global Note or  Definitive  Notes and the number of
Coupons so destroyed.


                                      -11-
<PAGE>

8.09 Documents available for inspection: The Issuer shall provide to each Paying
Agent:

      (a)   conformed copies of this Agreement and the Deed of Covenant;

      (b)   if  the  provisions  of  Condition  5(b)  (Redemption  for  taxation
            reasons)  become  relevant in relation to the Notes,  the  documents
            contemplated under Condition 5(b) (Redemption for taxation reasons);
            and

      (c)   such other  documents  as may from time to time be  required  by any
            stock exchange on which the Notes are listed to be made available at
            the Specified Office of the Paying Agent having its Specified Office
            in such cities as required by the relevant stock exchange.

Each of the Paying  Agents shall make  available  for  inspection  during normal
business hours at its Specified Office the documents referred to above and, upon
reasonable request, will allow copies of such documents to be taken.

8.10 Voting Certificates and Block Voting Instructions: Each Paying Agent shall,
at the request of any  Noteholder,  issue Voting  Certificates  and Block Voting
Instructions  in a form and manner which comply with the provisions of the Fifth
Schedule  (Provisions for Meetings of the Noteholders) (except that it shall not
be required  to issue the same less than 48 hours  before the time fixed for any
Meeting  provided  for  therein).  Each Paying Agent shall keep a full record of
Voting Certificates and Block Voting Instructions issued by it and shall give to
the Issuer,  not less than 24 hours before the time  appointed  for any Meeting,
full particulars of all Voting Certificates and Block Voting Instructions issued
by it in respect of such Meeting.

9. Fees and Expenses

9.01 Fees:  The  Issuer  shall pay to the  Fiscal  Agent for the  account of the
Paying  Agents such fees as have been  agreed  between the Issuer and the Fiscal
Agent in  respect  of the  services  of the Paying  Agents  hereunder  (plus any
applicable value added tax).

9.02 Front-end  expenses:  The Issuer shall on demand reimburse the Fiscal Agent
for all expenses incurred by it in the negotiation, preparation and execution of
this Agreement, and shall on demand reimburse each Paying Agent for all expenses
(including,  without limitation, legal fees and any publication,  communication,
courier,   postage  and  other  out-of-pocket  expenses)  properly  incurred  in
connection with its services hereunder (plus any applicable value added tax).

9.03 Taxes:  The Issuer  shall pay all stamp,  registration  and other taxes and
duties (including any interest and penalties thereon or in connection therewith)
which are payable in the United States of America and the United Kingdom upon or
in connection with the execution and delivery of this Agreement,  and the Issuer
shall indemnify each Paying Agent on demand against any claim,  demand,  action,
liability, damages, cost, loss or expense (including,  without limitation, legal
fees and any applicable  value added tax) which it incurs as a result or arising
out of or in relation to any failure of the Issuer to pay or delay by the Issuer
in paying any of the same.  All payments by the Issuer under this Clause 9 (Fees
and Expenses) or Clause 10.04  (Indemnity in favour of the Paying  Agents) shall
be made free and clear of, and without  withholding or deduction for, any taxes,
duties,  assessments  or  governmental  charges of  whatsoever  nature  imposed,
levied, collected, withheld or


                                      -12-
<PAGE>

assessed by the United  States of America or any  political  subdivision  or any
authority  thereof or therein  having power to tax,  unless such  withholding or
deduction  is  required  by law.  In that  event,  the  Issuer  shall  pay  such
additional amounts as will result in the receipt by the relevant Paying Agent of
such  amounts  as would  have  been  received  by it if no such  withholding  or
deduction had been required  except that the Issuer shall not be required to pay
such additional  amounts (i) if the withholding or deduction would not have been
imposed but for a past or present  connection  between the relevant Paying Agent
and the  United  States of  America,  the  Commonwealth  of  Puerto  Rico or any
territory or possession of the United States or subject to its  jurisdiction  or
(ii) in respect of taxes that would not have been  imposed but for the  relevant
Paying  Agent's  failure  to  deliver  to the  Issuer a tax form  requested  and
furnished by it and necessary to enable the Issuer to make the relevant  payment
free of  withholding  or deduction or subject to  withholding  or deduction at a
reduced rate.

10. Terms of Appointment

10.01 Rights and powers:  Each Paying Agent may, in connection with its services
hereunder:

      (a)   except as ordered by a court of competent  jurisdiction or otherwise
            required by law and regardless of any notice of ownership,  trust or
            any other interest therein, any writing thereon or any notice of any
            previous  loss or theft  thereof,  but  subject  to  Clause  7.01(a)
            (Payments  by  Paying  Agents),  treat the  bearer of any  Temporary
            Global Note, Permanent Global Note, Definitive Note or Coupon as its
            absolute   owner  for  all  purposes  and  make   payments   thereon
            accordingly;

      (b)   assume that the terms of the  Temporary  Global Note,  the Permanent
            Global  Note and each  Definitive  Note and  Coupon  as  issued  are
            correct;

      (c)   refer any question relating to the ownership of the Temporary Global
            Note, the Permanent  Global Note or any Definitive Note or Coupon or
            the adequacy or sufficiency  of any evidence  supplied in connection
            with the  replacement  of the Temporary  Global Note,  the Permanent
            Global  Note or any  Definitive  Note or  Coupon to the  Issuer  for
            determination by the Issuer and rely upon any determination so made;

      (d)   rely upon the terms of any notice,  communication  or other document
            believed by it to be genuine; and

      (e)   engage and pay for the advice or  services  of any  lawyers or other
            experts  whose  advice or services it considers  necessary  and rely
            upon  any  advice  so  obtained  (and  such  Paying  Agent  shall be
            protected  and shall  incur no  liability  as against  the Issuer in
            respect of any action taken, or permitted to be taken, in accordance
            with such advice and in good faith).

10.02  Extent of duties:  Each Paying Agent shall only be obliged to perform the
duties  set out  herein  and such  other  duties as are  necessarily  incidental
thereto. No Paying Agent shall:

      (a)   be under any fiduciary duty or other obligation  towards or have any
            relationship  of agency or trust for or with any  person  other than
            the Issuer, or


                                      -13-
<PAGE>

      (b)   be responsible for or liable in respect of the legality, validity or
            enforceability  of the Temporary  Global Note, the Permanent  Global
            Note or any Definitive  Note or Coupon or any act or omission of any
            other  person  (including,  without  limitation,  any  other  Paying
            Agent).

10.03 Freedom to transact:  Each Paying Agent may purchase,  hold and dispose of
Notes  and  Coupons  and may  enter  into any  transaction  (including,  without
limitation,  any depository,  trust or agency  transaction)  with any holders of
Notes or  Coupons or with any other  person in the same  manner as if it had not
been appointed as the agent of the Issuer in relation to the Notes.

10.04 Indemnity in favour of the Paying Agents:  The Issuer shall indemnify each
Paying Agent against any claim, demand, action,  liability,  damages, cost, loss
or reasonable expense (including, without limitation,  reasonable legal fees and
any  applicable  value  added tax)  which it  incurs,  other than such costs and
expenses as are separately agreed to be reimbursed out of the fees payable under
Clause 9.01 (Fees) and otherwise  than by reason of its own gross  negligence or
wilful  misconduct,  default or bad faith or violation of its obligations  under
this  Agreement,  as a result or arising  out of or in relation to its acting as
the agent of the Issuer in relation to the Notes.

11. Changes in Paying Agents

11.01  Resignation:  Any Paying Agent may resign its  appointment  upon not less
than 30 days' notice to the Issuer  (with a copy,  in the case of a Paying Agent
other than the Fiscal Agent, to the Fiscal Agent); provided, however, that:

      (a)   if such  resignation  would  otherwise take effect less than 30 days
            before or after the maturity  date or other date for  redemption  of
            the Notes or any interest  payment date in relation to the Notes, it
            shall not take effect until the thirtieth  day following  such date;
            and

      (b)   in the case of the Fiscal  Agent or a Required  Paying  Agent,  such
            resignation  shall not take effect  until a successor  has been duly
            appointed  consistently  with Clause 11.04 (Additional and successor
            agents) or Clause 11.05 (Paying Agents may appoint  successors)  and
            notice of such appointment has been given to the Noteholders.

11.02  Revocation:  The Issuer may revoke its appointment of any Paying Agent by
not less than 30 days' notice to such Paying Agent (with a copy,  in the case of
a Paying  Agent other than the Fiscal  Agent,  to the Fiscal  Agent);  provided,
however,  that,  in the case of the Fiscal Agent or any Required  Paying  Agent,
such revocation  shall not take effect until a successor has been duly appointed
consistently with Clause 11.04 (Additional and successor agents) or Clause 11.05
(Paying Agents may appoint  successors) and notice of such  appointment has been
given to the Noteholders.

11.03 Automatic termination: The appointment of any Paying Agent shall terminate
forthwith if (a) such Paying Agent  becomes  incapable of acting,  (b) a secured
party takes  possession,  or a  receiver,  manager or other  similar  officer is
appointed,  of the whole or any part of the undertaking,  assets and revenues of
such Paying  Agent,  (c) such Paying Agent admits in writing its  insolvency  or
inability to pay its debts as they fall due, (d) an  administrator or liquidator
of such  Paying  Agent or the whole or any part of the  undertaking,  assets and
revenues  of such  Paying  Agent  is  appointed  (or  application  for any  such
appointment is made), (e) such Paying Agent takes any action for a


                                      -14-
<PAGE>

readjustment  or  deferment  of  any of  its  obligations  or  makes  a  general
assignment  or an  arrangement  or  composition  with or for the  benefit of its
creditors or declares a moratorium in respect of any of its indebtedness, (f) an
order is made or an effective  resolution  is passed for the  winding-up of such
Paying Agent or (g) any event occurs which has an analogous effect to any of the
foregoing.  If the  appointment of the Fiscal Agent or any Required Paying Agent
is  terminated  in  accordance  with the  preceding  sentence,  the Issuer shall
forthwith  appoint a successor in accordance  with Clause 11.04  (Additional and
successor agents).

11.04 Additional and successor agents: The Issuer may appoint a successor fiscal
agent and additional or successor  paying agents and shall forthwith give notice
of any such  appointment  to the continuing  Paying Agents and the  Noteholders,
whereupon  the  Issuer,  the  continuing  Paying  Agents and the  additional  or
successor  fiscal agent or paying agent shall acquire and become  subject to the
same rights and  obligations  between  themselves as if they had entered into an
agreement in the form mutatis mutandis of this Agreement.

11.05 Paying Agents may appoint successors:  If the Fiscal Agent or any Required
Paying Agent gives notice of its  resignation  in  accordance  with Clause 11.01
(Resignation)  and by the tenth day before the expiry of such notice a successor
has not been duly  appointed in  accordance  with Clause 11.04  (Additional  and
successor  agents),  the Fiscal  Agent or (as the case may be)  Required  Paying
Agent may itself,  following such consultation with the Issuer as is practicable
in the  circumstances,  appoint as its successor  any reputable and  experienced
financial  institution  and give notice of such  appointment to the Issuer,  the
remaining Paying Agents and the Noteholders, whereupon the Issuer, the remaining
Paying Agents and such  successor  shall acquire and become  subject to the same
rights  and  obligations  between  themselves  as if they  had  entered  into an
agreement in the form mutatis mutandis of this Agreement.

11.06 Release:  Upon any  resignation  or revocation  taking effect under Clause
11.01 (Resignation) or 11.02 (Revocation) or any termination taking effect under
Clause 11.03 (Automatic termination), the relevant Paying Agent shall:

      (a)   be released and discharged from its obligations under this Agreement
            (save that it shall remain entitled to the benefit of and subject to
            Clause 9.03 (Taxes),  Clause 10 (Terms of Appointment) and Clause 11
            (Changes in Paying Agents));

      (b)   in the case of the  Fiscal  Agent,  deliver to the Issuer and to its
            successor a copy,  certified as true and up-to-date by an officer or
            authorised  signatory of the Fiscal Agent, of the records maintained
            by it in accordance with Clause 8.01 (Records); and

      (c)   forthwith  (upon payment to it of any amount due to it in accordance
            with Clause 9 (Fees and  Expenses)  or Clause  10.04  (Indemnity  in
            favour  of  the  Paying  Agents)  transfer  all  moneys  and  papers
            (including any unissued Notes held by it hereunder and any documents
            held  by  it  pursuant  to  Clause  8.09  (Documents  available  for
            inspection)) to its successor and, upon appropriate notice,  provide
            reasonable  assistance  to its  successor  for the  discharge of its
            duties and responsibilities hereunder.

11.07  Merger:  Any  legal  entity  into  which  any  Paying  Agent is merged or
converted or any legal entity  resulting  from any merger or conversion to which
such Paying Agent is a party shall, to the


                                      -15-
<PAGE>

extent  permitted  by  applicable  law, be the  successor  to such Paying  Agent
without any further formality, whereupon the Issuer, the other Paying Agents and
such  successor  shall  acquire  and  become  subject  to the  same  rights  and
obligations  between  themselves as if they had entered into an agreement in the
form mutatis mutandis of this Agreement. Notice of any such merger or conversion
shall  forthwith  be given by such  successor  to the Issuer,  the other  Paying
Agents and the Noteholders.

11.08  Changes in Specified  Offices:  If any Paying Agent decides to change its
Specified  Office  (which may only be  effected  within the same city unless the
prior written approval of the Issuer has been obtained), it shall give notice to
the Issuer  (with a copy to the other  Paying  Agents) of the address of the new
Specified Office stating the date on which such change is to take effect,  which
date  shall be not less than 30 days after the date of such  notice.  The Issuer
shall at its own  expense  not less than 14 days prior to the date on which such
change is to take effect (unless the appointment of the relevant Paying Agent is
to  terminate  pursuant  to any of the  foregoing  provisions  of this Clause 11
(Changes in Paying  Agents) on or prior to the date of such  change) give notice
thereof to the Noteholders.

12. Notices

12.01 Addresses for notices:  All notices and communications  hereunder shall be
made in writing (by letter, telex or fax) and shall be sent as follows:

      (a)   if to the Issuer, to it at:

            437 Madison Avenue
            New York, New York 10022
            USA

            Fax:        +212 415 3530

            Attention:  Treasurer

      (b)   if to a Paying  Agent,  to it at the  address,  telex  number or fax
            number specified  against its name in the Sixth Schedule  (Specified
            Offices of the Paying Agents) (or, in the case of a Paying Agent not
            originally a party hereto, specified by notice to the parties hereto
            at the time of its  appointment)  for the attention of the person or
            department specified therein;

or, in any case,  to such other  address,  telex number or fax number or for the
attention  of such other  person or  department  as the  addressee  has by prior
notice to the sender specified for the purpose.

12.02  Effectiveness:  Every notice or  communication  sent in  accordance  with
Clause 12.01 (Addresses for notices) shall be effective as follows:

      (a)   if sent by letter or fax, upon receipt by the addressee; and

      (b)   if sent by telex,  upon  receipt  by the  sender of the  addressee's
            answerback at the end of transmission;


                                      -16-
<PAGE>

provided,  however,  that any such notice or communication which would otherwise
take effect after 4.00 p.m.  (local time in the city designated by the addressee
for notices to it hereunder) on any  particular  day shall not take effect until
10.00 a.m. (local time in that city) on the immediately  succeeding business day
in the place of the addressee.

12.03 Notices to  Noteholders:  Any notice  required to be given to  Noteholders
under this Agreement shall be given in accordance with the Conditions; provided,
however,  that, so long as all the Notes are represented by the Temporary Global
Note or the  Permanent  Global Note,  notices to  Noteholders  shall be given in
accordance with the terms of the Temporary  Global Note or the Permanent  Global
Note and, so long as any of the Notes is  represented  by the  Temporary  Global
Note,  notices  to  Noteholders  of the Notes so  represented  shall be given in
accordance with the terms of the Temporary Global Note.

12.04 Notices in English: All notices and other  communications  hereunder shall
be made in the English  language or shall be accompanied by a certified  English
translation thereof. Any certified English translation delivered hereunder shall
be  certified a true and  accurate  translation  by a  professionally  qualified
translator or by some other person competent to do so.

13. Law and Jurisdiction

13.01  Governing  law: This  Agreement is governed by, and shall be construed in
accordance with, English law.

13.02 Jurisdiction:  The Issuer agrees for the benefit of the Paying Agents that
the courts of England  shall have  jurisdiction  to hear and determine any suit,
action or proceedings,  and to settle any disputes, which may arise out of or in
connection with this Agreement (respectively, "Proceedings" and "Disputes") and,
for such purposes, irrevocably submits to the jurisdiction of such courts.

13.03 Appropriate  forum: The Issuer  irrevocably  waives any objection which it
might now or  hereafter  have to the courts of England  being  nominated  as the
forum to hear and determine  any  Proceedings  and to settle any  Disputes,  and
agrees  not to claim  that any such  court is not a  convenient  or  appropriate
forum.

13.04 Process agent: The Issuer agrees that the process by which any Proceedings
in England are begun may be served on it by being  delivered to Omnicom  Finance
Limited  of 239  Old  Marylebone  Road,  London  NW1  5QT or if  different,  its
registered  office for the time being or at any other  address at which  process
may be served on it in accordance  with Part XXIII of the Companies Act 1985. If
such person is not or ceases to be  effectively  appointed to accept  service of
process on the Issuer's  behalf,  the Issuer shall, on the written demand of any
Paying  Agent  addressed  to the  Issuer and  delivered  to the Issuer or to the
Specified  Office of the Fiscal  Agent,  appoint a further  person in England to
accept service of process on its behalf.  Nothing in this paragraph shall affect
the right of any Paying Agent to serve process in any other manner  permitted by
law.

13.05  Non-exclusivity:  The  submission  to the  jurisdiction  of the courts of
England  shall not (and shall not be  construed so as to) limit the right of any
Paying Agent to take  Proceedings in any other court of competent  jurisdiction,
nor shall the taking of Proceedings in any one or more jurisdictions


                                      -17-
<PAGE>

preclude  the  taking  of  Proceedings  in  any  other   jurisdiction   (whether
concurrently or not) if and to the extent permitted by law.

14. Modification

This Agreement may be amended by further  agreement among the parties hereto and
without the consent of the Noteholders.

15. Counterparts

This  Agreement  may be  executed in any number of  counterparts,  each of which
shall be deemed an original.  Any party may enter into this Agreement by signing
any such counterpart.

AS  WITNESS  the hands of the duly  authorised  representatives  of the  parties
hereto the day and year first before written.


                                      -18-
<PAGE>

                               THE FIRST SCHEDULE

                          Form of Temporary Global Note

ANY  UNITED  STATES  PERSON  WHO  HOLDS  THIS  OBLIGATION  WILL  BE  SUBJECT  TO
LIMITATIONS  UNDER THE UNITED STATES INCOME TAX LAWS,  INCLUDING THE LIMITATIONS
PROVIDED IN SECTIONS 165(j) AND 1287(a) OF THE INTERNAL REVENUE CODE.

                               OMNICOM GROUP INC.
                   (incorporated with limited liability under
                       the laws of the State of New York)

                         FRF1,000,000,000 5.20 per cent.
                                 Notes due 2005

                              TEMPORARY GLOBAL NOTE

1.  Introduction:  This  Temporary  Global  Note is  issued  in  respect  of the
FRF1,000,000,000  5.20 per cent.  Notes due 2005 (the  "Notes") of Omnicom Group
Inc.  (the  "Issuer").  The Notes are the subject of a fiscal  agency  agreement
dated 24 June 1998 (as amended or  supplemented  from time to time,  the "Fiscal
Agency  Agreement") and made between the Issuer,  Societe  Generale Bank & Trust
S.A.,  Luxembourg as fiscal agent (the "Fiscal Agent", which expression includes
any successor  fiscal agent  appointed from time to time in connection  with the
Notes) and the other  paying  agents  named  therein  (together  with the Fiscal
Agent,  the  "Paying  Agents",  which  expression  includes  any  additional  or
successor  paying  agents  appointed  from time to time in  connection  with the
Notes).

2. References to Conditions:  Any reference herein to the "Conditions" is to the
terms and conditions of the Notes  scheduled to the Fiscal Agency  Agreement and
any  reference  to a numbered  "Condition"  is to the  correspondingly  numbered
provision thereof.

3. Promise to pay: The Issuer, for value received, promises to pay to the bearer
of this Temporary Global Note the principal sum of

                                FRF1,000,000,000
                      (ONE THOUSAND MILLION FRENCH FRANCS)

on 24 June 2005 or on such earlier date or dates as the same may become  payable
in accordance with the Conditions,  and to pay interest on such principal sum in
arrear on the dates and at the rate specified in the  Conditions,  together with
any additional amounts payable in accordance with the Conditions, all subject to
and in accordance with the  Conditions;  provided,  however,  that such interest
shall be payable:

      (a)   in the case of  interest  falling due before the  Exchange  Date (as
            defined   below),   only  to  the  extent  that  a  certificate   or
            certificates  issued by Morgan  Guaranty  Trust Company of New York,
            Brussels office, as operator of the Euroclear System


                                      -19-
<PAGE>

            ("Euroclear")  and/or Cedel Bank,  societe  anonyme  ("Cedel  Bank")
            dated not earlier than the date on which such interest falls due and
            in  substantially  the form set out in  Schedule  III hereto  is/are
            delivered to the Specified  Office (as defined in the Conditions) of
            the Fiscal Agent; or

      (b)   in the case of  interest  falling  due at any  time on or after  the
            Exchange  Date in respect of any  portion of this  Temporary  Global
            Note in respect of which such a certificate has been delivered, only
            to the extent that the Issuer has failed to procure the exchange for
            a permanent  global Note of that  portion of this  Temporary  Global
            Note.

4.  Negotiability:  This Temporary  Global Note is negotiable and,  accordingly,
title to this Temporary Global Note shall pass by delivery.

5. Exchange:  On or after the day following the expiry of 40 days after the date
of issue of this Global Note (the "Exchange Date"), the Issuer shall procure (in
the case of first  exchange)  the  delivery  of a  permanent  global  Note  (the
"Permanent  Global  Note")  in  substantially  the  form  set out in the  Second
Schedule (Form of Permanent  Global Note) to the Fiscal Agency  Agreement to the
bearer of this Temporary Global Note or (in the case of any subsequent exchange)
an increase in the principal  amount of the Permanent  Global Note in accordance
with its terms against:

      (a)   presentation  and (in the case of final exchange)  surrender of this
            Global Note at the Specified Office of the Fiscal Agent; and

      (b)   receipt by the Fiscal Agent of a certificate or certificates  issued
            by  Euroclear  and/or Cedel Bank dated not earlier than the Exchange
            Date and in  substantially  the form set out in Schedule  III hereto
            with respect to the Temporary  Global Note or portions thereof being
            exchanged,  which certificate or certificates  shall be based upon a
            written  certification or  certifications  in substantially the form
            set forth in Schedule II hereto received by Euroclear or Cedel Bank,
            as the case may be, by tested telex or electronic  transmission from
            the  persons  appearing  in its  records  as being  the owner of the
            Temporary  Global  Note or portions  thereof  being  exchanged  (the
            "Member  Organisations").  The  delivery  to  the  Fiscal  Agent  by
            Euroclear or Cedel Bank of any certificate  referred to above may be
            relied  upon  by the  Issuer  and the  Fiscal  Agent  as  conclusive
            evidence that a corresponding certification or certifications has or
            have  been  delivered  to  Euroclear  or  Cedel  Bank by the  Member
            Organisations.

The  principal  amount  of the  Permanent  Global  Note  shall  be  equal to the
aggregate  of the  principal  amounts  specified in the  certificates  issued by
Euroclear and/or Cedel Bank and received by the Fiscal Agent; provided, however,
that in no circumstances shall the principal amount of the Permanent Global Note
exceed the initial principal amount of this Temporary Global Note.

6. Writing down: On each occasion on which:

      (a)   the  Permanent  Global Note is  delivered  or the  principal  amount
            thereof is increased in accordance  with its terms in exchange for a
            further portion of this Global Note; or


                                      -20-
<PAGE>

      (b)   Notes  represented by this Temporary Global Note are to be cancelled
            in  accordance  with  Condition  5(e)  (Redemption  and  Purchase  -
            Cancellation),

the Issuer shall procure that (i) the principal  amount of the Permanent  Global
Note,  the  principal  amount  of  such  increase  or (as the  case  may be) the
aggregate principal amount of such Notes and (ii) the remaining principal amount
of this  Temporary  Global Note (which  shall be the previous  principal  amount
hereof less the aggregate of the amounts  referred to in (i) above) are noted in
Schedule I hereto,  whereupon the principal amount of this Temporary Global Note
shall for all purposes be as most recently so noted.

7. Payments: All payments in respect of this Temporary Global Note shall be made
in  accordance  with the  Conditions  against  presentation  and (in the case of
payment of  principal in full with all interest  accrued  thereon)  surrender of
this Temporary Global Note at the Specified Office of any Paying Agent and shall
be effective  to satisfy and  discharge  the  corresponding  liabilities  of the
Issuer in respect of the Notes.  On each occasion on which a payment of interest
is made in respect of this Temporary  Global Note, the Issuer shall procure that
the same is noted in Schedule I hereto.

8.  Conditions  apply:  Until this  Temporary  Global Note has been exchanged as
provided herein or cancelled in accordance with the Fiscal Agency Agreement, the
bearer of this  Temporary  Global Note shall be subject to the  Conditions  and,
subject as otherwise  provided herein,  shall be entitled to the same rights and
benefits  under the  Conditions  as if the  bearer  were the  holder of Notes in
definitive form in substantially the form set out in the Third Schedule (Form of
Definitive Note) to the Fiscal Agency Agreement and the related interest coupons
in the  denomination of FRF10,000 and in an aggregate  principal amount equal to
the principal amount of this Global Note.

9.  Notices:  Notwithstanding  Condition 14  (Notices),  while all the Notes are
represented by this Temporary  Global Note (or by this Temporary Global Note and
the Permanent  Global Note) and this Temporary Global Note is (or this Temporary
Global  Note  and  the  Permanent  Global  Note  are)  deposited  with a  common
depositary for the relevant  clearing  systems,  notices to  Noteholders  may be
given by delivery of the relevant notice to the relevant  clearing  systems and,
in any case,  such notices shall be deemed to have been given to the Noteholders
in  accordance  with the  Condition  14 (Notices) on the date of delivery to the
relevant clearing systems.

10.  Authentication:  This  Temporary  Global  Note  shall  not be valid for any
purpose until it has been  authenticated  for and on behalf of Societe  Generale
Bank & Trust S.A., Luxembourg as fiscal agent.

11.  Governing  law:  This  Temporary  Global Note is governed  by, and shall be
construed in accordance with, English law.

AS WITNESS the manual  signature  of a duly  authorised  person on behalf of the
Issuer.

OMNICOM GROUP INC.

By:  ..............................
         (duly authorised)


                                      -21-
<PAGE>

ISSUED on 24 June 1998

AUTHENTICATED for and on behalf of
SOCIETE GENERALE BANK & TRUST S.A., LUXEMBOURG 
as fiscal agent without recourse, warranty or liability

By:  ..............................
         manual signature
         (duly authorised)


                                      -22-
<PAGE>

                                   Schedule I

     Payments, Exchange for Permanent Global Note and Cancellation of Notes

<TABLE>
<CAPTION>
==================================================================================================================
      Date of        Amount of             Principal          Aggregate             Remaining        Authorised
     payment,      interest then           amount of          principal             principal         Signature
    delivery or        paid                Permanent       amount of Notes       amount of this
   cancellation                           Global Note      then cancelled           Temporary
                                        then delivered                             Global Note
                                          or by which
                                           Permanent
                                          Global Note
                                        then increased

<S>               <C>                   <C>               <C>                    <C>                <C>    
- ------------------------------------------------------------------------------------------------------------------

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

==================================================================================================================
</TABLE>


                                      -23-
<PAGE>

                                   Schedule II

                      Form of Accountholder's Certification

                               OMNICOM GROUP INC.
                   (incorporated with limited liability under
                       the laws of the State of New York)

                         FRF1,000,000,000 5.20 per cent.
                                 Notes due 2005

This is to certify  that as of the date  hereof,  and except as set forth below,
the  above-captioned  Securities  held by you for our  account  (i) are owned by
persons  that are not  citizens  or  residents  of the United  States,  domestic
partnerships,  domestic corporations,  any estate the income of which is subject
to United States Federal income taxation  regardless of its source, a trust if a
court within the United States is able to exercise primary  supervision over the
administration  of the  trust and one or more  United  States  persons  have the
authority to control all substantial decisions of the trust and any other person
whose income or gain with respect to a Note is  effectively  connected  with the
conduct of a United States trade or business ("United States Persons"), (ii) are
owned by United  States  Person(s)  that (a) are  foreign  branches  of a United
States financial  institution (as defined in United States Treasury  Regulations
Section  1.165-12(c)(1)(v))  ("financial institutions") purchasing for their own
account or for resale,  or (b) acquired the Securities  through foreign branches
of United States financial institutions and who hold the Securities through such
United States financial  institutions on the date hereof (and in either case (a)
or (b), each such United States financial  institution hereby agrees, on its own
behalf or  through  its agent,  that you may  advise the issuer or the  issuer's
agent that it will comply with the requirements of Section 165(j)(3)(A),  (B) or
(C) of the  Internal  Revenue  Code of 1986,  as  amended,  and the  regulations
thereunder),   or  (iii)  are  owned  by  United  States  or  foreign  financial
institution(s)  for purposes of resale during the restricted  period (as defined
in United States Treasury  Regulations Section  1.163-5(c)(2)(i)(D)(7)),  and in
addition if the owner of the Securities is a United States or foreign  financial
institution  described in clause (iii) above  (whether or not also  described in
clause (i) or (ii)) this is to further  certify that such financial  institution
has not acquired the Securities for purposes of resale directly or indirectly to
a  United  States  Person  or to a  person  within  the  United  States  or  its
possessions.

If the Securities are of the category  contemplated in Section  230.903(c)(3) of
Regulation S under the Securities Act of 1933, as amended (the "Act"), then this
is also  to  certify  that,  except  as set  forth  below,  the  Securities  are
beneficially owned by (a) non-U.S. person(s) or (b) U.S. person(s) who purchased
the Securities in transactions which did not require registration under the Act.
As used in this paragraph the term "U.S.  person" has the meaning given to it by
Regulation S under the Act.

As used herein,  "United  States" means the United States of America  (including
the States and the District of Columbia);  and its "possessions"  include Puerto
Rico,  the U.S.  Virgin  Islands,  Guam,  American  Samoa,  Wake  Island and the
Northern Mariana Islands.

We  undertake  to advise you promptly by tested telex on or prior to the date on
which you intend to submit your certification relating to the Securities held by
you for our account in accordance with


                                      -24-
<PAGE>

your operating  procedures if any applicable  statement herein is not correct on
such date,  and in the absence of any such  notification  it may be assumed that
this certification applies as of such date.

This  certification  excepts and does not relate to [currency]  [amount] of such
interest in the above  Securities in respect of which we are not able to certify
and as to which we  understand  exchange and delivery of  definitive  Securities
(or, if relevant,  exercise of any rights or collection of any interest)  cannot
be made until we do so certify.

We understand that this certification is required in connection with certain tax
laws and,  if  applicable,  certain  securities  laws of the United  States.  In
connection  therewith,  if  administrative or legal proceedings are commenced or
threatened in connection with which this  certification is or would be relevant,
we  irrevocably  authorise you to produce this  certification  to any interested
party in such proceedings.

Dated: [             ]

[name of account holder]

as, or as agent for,
the beneficial owner(s) of the Securities
to which this certificate relates.

By:   ....................................
      Authorised signatory


                                      -25-
<PAGE>

                                  Schedule III

                   Form of Euroclear/Cedel Bank Certification

                               OMNICOM GROUP INC.
                   (incorporated with limited liability under
                       the laws of the State of New York)

                         FRF1,000,000,000 5.20 per cent.
                                 Notes due 2005

This is to certify  that,  based solely on  certifications  we have  received in
writing, by tested telex or by electronic transmission from member organisations
appearing in our records as persons being entitled to a portion of the principal
amount set forth below (our "Member Organisations")  substantially to the effect
set forth in the temporary  global note issued in respect of the securities,  as
of the date hereof,  [currency] [amount] principal amount of the above-captioned
Securities  (i) is owned by persons  that are not  citizens or  residents of the
United States,  domestic  partnerships,  domestic  corporations,  any estate the
income of which is subject to United States Federal income  taxation  regardless
of its source,  a trust if a court within the United  States is able to exercise
primary  supervision over the administration of the trust and one or more United
States  persons have the authority to control all  substantial  decisions of the
trust and any other  person  whose  income  or gain  with  respect  to a Note is
effectively  connected  with the  conduct of a United  States  trade or business
("United States  Persons"),  (ii) is owned by United States Persons that (a) are
foreign branches of United States  financial  institutions (as defined in United
States   Treasury   Regulations   Section   1.165-   12(c)(1)(v))    ("financial
institutions")  purchasing for their own account or for resale,  or (b) acquired
the Securities through foreign branches of United States financial  institutions
and who hold the Securities through such United States financial institutions on
the  date  hereof  (and in  either  case (a) or (b),  each  such  United  States
financial  institution has agreed,  on its own behalf or through its agent, that
we may advise  the Issuer or the  Issuer's  agent that it will  comply  with the
requirements of Section 165(j)(3)(A), (B) or (C) of the Internal Revenue Code of
1986, as amended, and the regulations  thereunder),  or (iii) is owned by United
States or foreign  financial  institutions  for  purposes  of resale  during the
restricted  period (as defined in United  States  Treasury  Regulations  Section
1.163-5(c)(2)(i)(D)(7)), and to the further effect that United States or foreign
financial  institutions  described  in clause  (iii) above  (whether or not also
described in clause (i) or (ii)) have  certified that they have not acquired the
Securities  for purposes of resale  directly or  indirectly  to a United  States
Person or to a person  within the  United  States or its  possessions.  Any such
certification by electronic transmission satisfies the requirements set forth in
U.S. Treasury  Regulations Section 1.163-  5(c)(2)(i)(D)(3)(ii).  We will retain
all  certifications  from our Member  Organisations  for the period specified in
United States Treasury Regulations Section 1.163-5(c)(2)(i)(D)(3)(i).

As used herein,  "United  States" means the United States of America  (including
the States and the District of Columbia);  and its "possessions"  include Puerto
Rico,  the U.S.  Virgin  Islands,  Guam,  American  Samoa,  Wake  Island and the
Northern Mariana Islands.

We further  certify (i) that we are not making  available  herewith for exchange
(or, if relevant,  exercise of any rights or  collection  of any  interest)  any
portion of the temporary global security excepted in


                                      -26-
<PAGE>

such certifications and (ii) that as of the date hereof we have not received any
notification  from  any of our  Member  Organisations  to the  effect  that  the
statements made by such Member  Organisations with respect to any portion of the
part submitted herewith for exchange (or, if relevant, exercise of any rights or
collection  of any  interest) are no longer true and cannot be relied upon as of
the date hereof.

We understand that this certification is required in connection with certain tax
laws and,  if  applicable,  certain  securities  laws of the United  States.  In
connection  therewith,  if  administrative or legal proceedings are commenced or
threatened in connection with which this  certification is or would be relevant,
we  irrevocably  authorise you to produce this  certification  to any interested
party in such proceedings.

Dated:  [              ]

Morgan Guaranty Trust Company of New York,
Brussels Office,
as operator of the Euroclear System

or

Cedel Bank, societe anonyme

By:  ....................................
     Authorised signatory

or

SICOVAM S.A.

By:  ....................................
     Authorised signatory


                                      -27-
<PAGE>

                               THE SECOND SCHEDULE

                          Form of Permanent Global Note

ANY  UNITED  STATES  PERSON  WHO  HOLDS  THIS  OBLIGATION  WILL  BE  SUBJECT  TO
LIMITATIONS  UNDER THE UNITED STATES INCOME TAX LAWS,  INCLUDING THE LIMITATIONS
PROVIDED IN SECTIONS 165(j) AND 1287(a) OF THE INTERNAL REVENUE CODE.

                               OMNICOM GROUP INC.
                   (incorporated with limited liability under
                       the laws of the State of New York)

                         FRF1,000,000,000 5.20 per cent.
                                 Notes due 2005

                              PERMANENT GLOBAL NOTE

1. Introduction:  This Global Note is issued in respect of the  FRF1,000,000,000
5.20 per  cent.  Notes  due 2005  (the  "Notes")  of  Omnicom  Group  Inc.  (the
"Issuer").  The Notes (insofar as they are represented by this Global Note) have
the benefit of a deed of covenant dated 24 June 1998 (as amended or supplemented
from time to time,  the "Deed of  Covenant")  entered into by the Issuer and are
the  subject  of a fiscal  agency  agreement  dated 24 June 1998 (as  amended or
supplemented from time to time, the "Fiscal Agency  Agreement") and made between
the Issuer,  Societe Generale Bank & Trust S.A., Luxembourg as fiscal agent (the
"Fiscal Agent",  which expression  includes any successor fiscal agent appointed
from time to time in  connection  with the  Notes) and the other  paying  agents
named  therein  (together  with the Fiscal  Agent,  the "Paying  Agents",  which
expression  includes any  additional or successor  paying agents  appointed from
time to time in connection with the Notes).

2. References to Conditions:  Any reference herein to the "Conditions" is to the
terms  and  conditions  of the  Notes  set out in  Schedule  II  hereto  and any
reference to a numbered "Condition" is to the correspondingly numbered provision
thereof.

3. Promise to pay: The Issuer, for value received, promises to pay to the bearer
of this Global Note the principal sum of

                                FRF1,000,000,000
                      (ONE THOUSAND MILLION FRENCH FRANCS)

on 24 June 2005 or on such earlier date or dates as the same may become  payable
in accordance with the Conditions,  and to pay interest on such principal sum in
arrear on the dates and at the rate specified in the  Conditions,  together with
any additional amounts payable in accordance with the Conditions, all subject to
and in accordance with the Conditions.

4. Negotiability: This Global Note is negotiable and, accordingly, title to this
Global Note shall pass by delivery.


                                      -28-
<PAGE>

5. Exchange: This Global Note will become exchangeable, in whole but not in part
only, for Notes in definitive form  ("Definitive  Notes") in  substantially  the
form set out in the  Third  Schedule  (Form of  Definitive  Note) to the  Fiscal
Agency Agreement if:

      (i)   either  of the  following  events  occurs  and  the  bearer  of this
            Permanent Global Note makes a request for exchange:

            (a)   Morgan Guaranty Trust Company of New York, Brussels office, as
                  operator of the Euroclear  System  ("Euroclear"),  Cedel Bank,
                  societe anonyme ("Cedel Bank") and any other relevant clearing
                  system is closed for business  for a  continuous  period of 14
                  days (other than by reason of legal  holidays) or announces an
                  intention permanently to cease business; or

            (b)   any of the  circumstances  described in Condition 8 (Events of
                  Default) occurs; or

      (ii)  any  Noteholder  makes a  written  request  to the  Fiscal  Agent to
            receive  Definitive  Notes (in aggregate  principal  amount equal to
            such Noteholder's interest in this Permanent Global Note).

6.  Delivery of Definitive  Notes:  Whenever this Global Note is to be exchanged
for  Definitive  Notes,  the Issuer  shall  procure the prompt  delivery of such
Definitive  Notes,  duly  authenticated  and with interest  coupons  ("Coupons")
attached, in an aggregate principal amount equal to the principal amount of this
Global  Note to the bearer of this Global Note  against  the  surrender  of this
Global Note at the Specified Office (as defined in the Conditions) of the Fiscal
Agent within 30 days of the bearer requesting such exchange.

7. Failure to deliver Definitive Notes or to repay: If:

      (a)   Definitive   Notes  have  not  been  delivered  in  accordance  with
            paragraph  6  (Delivery  of  Definitive  Notes)  above by 5.00  p.m.
            (London  time) on the  thirtieth  day after the bearer has requested
            exchange of this Global Note for Definitive Notes; or

      (b)   this Global Note (or any part  hereof) has become due and payable in
            accordance  with the Conditions or the date for final  redemption of
            this Global Note has occurred  and, in either case,  payment in full
            of the amount of  principal  falling due with all  accrued  interest
            thereon has not been made to the bearer in accordance with the terms
            of this Global Note on the due date for payment,

then this Global Note  (including  the obligation to deliver  Definitive  Notes)
will become void at 5.00 p.m.  (London time) on such  thirtieth day (in the case
of (a) above) or at 5.00 p.m. (London time) on such due date (in the case of (b)
above) and the bearer of this Global Note will have no further rights  hereunder
(but  without  prejudice  to the rights  which the bearer of this Global Note or
others  may have  under the Deed of  Covenant).  The Deed of  Covenant  has been
deposited  at the  Specified  Office of the Fiscal Agent and a copy of it may be
inspected at the Specified Office of each Paying Agent.


                                      -29-
<PAGE>

8. Writing down: On each occasion on which:

      (a)   a payment of principal is made in respect of this Global Note;

      (b)   Definitive Notes are delivered; or

      (c)   Notes  represented  by  this  Global  Note  are to be  cancelled  in
            accordance   with   Condition  5(e)   (Redemption   and  Purchase  -
            Cancellation),

the Issuer shall  procure that (i) the amount of such payment and the  aggregate
principal  amount of such Notes and (ii) the remaining  principal amount of this
Global  Note  (which  shall be the  previous  principal  amount  hereof less the
aggregate  of the  amounts  referred  to in (i) above)  are noted in  Schedule I
hereto,  whereupon  the  principal  amount  of this  Global  Note  shall for all
purposes be as most recently so noted.

9.  Writing up: If this Global Note was  originally  issued in exchange for part
only of a temporary global Note representing the Notes, then, if at any time any
further  portion of such  temporary  global Note is exchanged for an interest in
this Global Note in accordance with the terms of such temporary global Note, the
principal  amount of this Global Note shall be  increased  by the amount of such
further portion,  and the Issuer shall procure that the principal amount of this
Global Note (which shall be the previous principal amount hereof plus the amount
of such further portion) is noted in Schedule I hereto,  whereupon the principal
amount of this Global Note shall for all purposes be as most recently so noted.

10. Payments:  All payments in respect of this Global Note shall be made against
presentation  and (in the case of payment of principal in full with all interest
accrued  thereon)  surrender of this Global Note at the Specified  Office of any
Paying Agent and shall be effective to satisfy and discharge  the  corresponding
liabilities  of the Issuer in respect of the Notes.  On each occasion on which a
payment of  interest is made in respect of this Global  Note,  the Issuer  shall
procure that the same is noted in Schedule I hereto.

11.  Conditions  apply:  Until this Global Note has been  exchanged  as provided
herein or cancelled in accordance with the Fiscal Agency  Agreement,  the bearer
of this Global Note shall be subject to the Conditions and, subject as otherwise
provided  herein,  shall be entitled to the same rights and  benefits  under the
Conditions as if it were the holder of Definitive  Notes and the related Coupons
in the  denomination of FRF10,000 and in an aggregate  principal amount equal to
the principal amount of this Global Note.

12.  Notices:  Notwithstanding  Condition 14 (Notices),  while all the Notes are
represented  by this Global Note (or by this Global Note and a temporary  global
Note) and this Global  Note is (or this Global Note and a temporary  global Note
are)  deposited  with a common  depositary  for the relevant  clearing  systems,
notices to  Noteholders  may be given by delivery of the relevant  notice to the
relevant clearing systems and, in any case, such notices shall be deemed to have
been given to the  Noteholders in accordance  with the Condition 14 (Notices) on
the date of delivery to the relevant clearing systems;

13. Authentication: This Global Note shall not be valid for any purpose until it
has been  authenticated for and on behalf of Societe Generale Bank & Trust S.A.,
Luxembourg as fiscal agent.


                                      -30-
<PAGE>

14.  Governing  law:  This Global Note is governed by, and shall be construed in
accordance with, English law.

AS WITNESS the manual  signature  of a duly  authorised  person on behalf of the
Issuer.

OMNICOM GROUP INC.

By:   ..............................
      (duly authorised)

ISSUED as of 24 June 1998

AUTHENTICATED  for  and  on  behalf  of  SOCIETE  GENERALE  BANK &  TRUST  S.A.,
LUXEMBOURG as fiscal agent without recourse, warranty or liability

By:   ..............................
      manual signature
      (duly authorised)


                                      -31-
<PAGE>

                                   Schedule I

 Payments, Exchanges against Temporary Global Note, Delivery of Definitive Notes
                            and Cancellation of Notes

<TABLE>
<CAPTION>
====================================================================================================================================
 Date of payment,     Amount of interest    Principal amount      Aggregate       Aggregate principal     New principal   Authorised
exchange, delivery         then paid          of Temporary     principal amount   amount of Notes then    amount of this   signature
  or cancellation                           Global Note then    of Definitive          cancelled           Global Note
                                               exchanged          Notes then
                                                                   delivered

<S>                     <C>                   <C>                  <C>                    <C>                    <C>    
- -----------------------------------------------------------------------------------------------------------------------------------

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

===================================================================================================================================
</TABLE>


                                      -32-
<PAGE>

                                   Schedule II

                        Terms and Conditions of the Notes
                                [To be inserted]


                                      -33-
<PAGE>

                               THE THIRD SCHEDULE

                       Form of Definitive Note and Coupon

[On the face of the Note:]

FRF [           ]

ANY  UNITED  STATES  PERSON  WHO  HOLDS  THIS  OBLIGATION  WILL  BE  SUBJECT  TO
LIMITATIONS  UNDER THE UNITED STATES INCOME TAX LAWS,  INCLUDING THE LIMITATIONS
PROVIDED IN SECTIONS 165(j) AND 1287(a) OF THE INTERNAL REVENUE CODE.

                               OMNICOM GROUP INC.
                   (incorporated with limited liability under
                       the laws of the State of New York)

                                FRF1,000,000,000
                          5.20 per cent. Notes due 2005

This Note is one of a series of notes  (the  "Notes")  in the  denominations  of
FRF10,000   and   FRF100,000   and  in  the   aggregate   principal   amount  of
FRF1,000,000,000 issued by Omnicom Group Inc. (the "Issuer").

The Issuer, for value received,  promises to pay to the bearer the principal sum
of

                                 FRF[10/100],000

on 24 June 2005, or on such earlier date or dates as the same may become payable
in accordance with the conditions endorsed hereon (the "Conditions"), and to pay
interest on such  principal sum in arrear on the dates and at the rate specified
in the  Conditions,  together with any additional  amounts payable in accordance
with the Conditions, all subject to and in accordance with the Conditions.

This Note and the interest  coupons  relating  hereto shall not be valid for any
purpose  until  this Note has been  authenticated  for and on behalf of  Societe
Generale Bank & Trust S.A., Luxembourg as fiscal agent.

AS WITNESS the facsimile  signature of a duly authorised person on behalf of the
Issuer.

OMNICOM GROUP INC.

By:  ..............................
     (duly authorised)

ISSUED as of [                ]


                                      -34-
<PAGE>

AUTHENTICATED  for  and  on  behalf  of  Societe  Generale  Bank &  Trust  S.A.,
Luxembourg as fiscal agent without recourse, warranty or liability

By:  ..............................
     (duly authorised)


                                      -35-
<PAGE>

[On the reverse of the Note:]

                              TERMS AND CONDITIONS

[At the foot of the Terms and Conditions:]

                                  FISCAL AGENT

                 Societe Generale Bank & Trust S.A., Luxembourg
                            11-13 avenue Emile Reuter
                                L-2420 Luxembourg

                                  PAYING AGENT

                                Societe Generale
                              29 boulevard Haussman
                                   75009 Paris


                                      -36-
<PAGE>

                                 Form of Coupon

[On the face of the Coupon:]

OMNICOM GROUP INC.

FRF1,000,000,000 5.20 per cent. Notes due 2005

Coupon for FRF[          ] due on [                  ].

Such amount is payable,  subject to the terms and conditions (the  "Conditions")
endorsed  on the Note to which this  Coupon  relates  (which are  binding on the
holder of this Coupon  whether or not it is for the time being  attached to such
Note), against presentation and surrender of this Coupon at the Specified Office
for the time being of any of the agents  shown on the reverse of this Coupon (or
any successor or  additional  agents  appointed  from time to time in accordance
with the Conditions).

ANY  UNITED  STATES  PERSON  WHO  HOLDS  THIS  OBLIGATION  WILL  BE  SUBJECT  TO
LIMITATIONS  UNDER THE UNITED STATES INCOME TAX LAWS,  INCLUDING THE LIMITATIONS
PROVIDED IN SECTIONS 165(j) AND 1287(a) OF THE INTERNAL REVENUE CODE.


                                      -37-
<PAGE>

[On the reverse of the Coupon:]

Fiscal Agent:  Societe Generale Bank & Trust S.A., Luxembourg
               11-13 avenue Emile Reuter
               L-2420 Luxembourg

Paying Agent:  Societe Generale
               29 boulevard Haussman
               75009 Paris
               France


                                      -38-
<PAGE>

                               THE FOURTH SCHEDULE

                        Terms and Conditions of the Notes

      The FRF  1,000,000,000  5.20 per cent. Notes due 2005 (the "Notes",  which
expression  includes  any further  notes  issued  pursuant to  Condition  13 and
forming a single series  therewith) of Omnicom Group Inc. (the "Issuer") are the
subject  of a  fiscal  agency  agreement  dated  24 June  1998  (as  amended  or
supplemented  from time to time,  the  "Fiscal  Agency  Agreement")  between the
Issuer,  Societe  General  Bank & Trust S.A.  Luxembourg,  as fiscal  agent (the
"Fiscal Agent"),  which expression includes any successor fiscal agent appointed
from time to time in  connection  with the  Notes) and the  paying  agent  named
therein  (together with the Fiscal Agent, the "Paying Agents",  which expression
includes any successor or additional  paying agents  appointed from time to time
in  connection  with the Notes).  Certain  provisions  of these  Conditions  are
summaries of the Fiscal Agency Agreement and subject to its detailed provisions.
The  holders of the Notes (the  "Noteholders")  and the  holders of the  related
interest coupons (the "Couponholders" and the "Coupons", respectively) are bound
by, and are deemed to have notice of, all the  provisions  of the Fiscal  Agency
Agreement  applicable  to  them.  Copies  of the  Fiscal  Agency  Agreement  are
available for  inspection by  Noteholders  during normal  business  hours at the
Specified  Office (as  defined in the Fiscal  Agency  agreement)  of each of the
Paying Agents, the initial Specified Offices of which are set out below.

1.  Form, Denomination and Title

      The Notes are in bearer  form in the  denominations  of FRF 10,000 and FRF
100,000 with Coupons  attached at the time of issue.  Notes of one  denomination
will not be exchangeable for Notes of the other denomination. Title to the Notes
and the Coupons will pass by delivery.  Each Noteholder and  Couponholder  shall
(except as otherwise  required by law) be treated as its absolute  owner for all
purposes  (whether  or  not it is  overdue  and  regardless  of  any  notice  of
ownership,  trust or any other  interest  therein,  any  writing  thereon or any
notice of any previous loss or theft  thereof) and no person shall be liable for
so treating such Noteholder or Couponholder.

2.  Status

      The Notes constitute direct,  unconditional,  unsecured and unsubordinated
obligations  of the  Issuer  which  will  at all  time  rank  pari  passu  among
themselves  and  (subject  to  Condition  3) at least  pari passu with all other
present  and  future  unsecured   obligations  of  the  Issuer,  save  for  such
obligations as may be preferred by provisions of law that are both mandatory and
of general application.

3.  Negative Pledge

      As long as any  Note is  outstanding  (as  defined  in the  Fiscal  Agency
Agreement), the Issuer undertakes not to provide any security upon any or all of
its present or future assets for any other  indebtedness  represented  by notes,
bonds,  debentures or other  securities  issued pursuant to an offering by which
such securities are intended  primarily to be publicly  distributed  outside the
United States without at the same time having the Noteholders  share equally and
rateably in such security.

4.  Interest

      The Notes bear  interest  from 24 June 1998 (the "Issue Date") at the rate
of 5.20 per cent.  per annum (the "Rate of  Interest"),  payable in arrear on 24
June in each year (each, an "Interest  Payment  Date"),  subject to Condition 6.
Each period beginning on, and including,  the Issue Date or any Interest Payment
Date and ending on, but  excluding,  the next  Interest  Payment  Date is herein
called an "Interest Period".

      Each Note will  cease to bear  interest  from the due date for  redemption
unless,  upon due presentation,  payment of principal is improperly  withheld or
refused, in which case it will continue to bear interest at the Rate of Interest
(as well after as before judgment) until whichever is the earlier of (a) the day
on which all sums due in respect of such Note up to that day are  received by or
on behalf of the relevant  Noteholder  and (b) the day which is seven days after
the Fiscal Agent has given notice to the  Noteholders  as provided in the Fiscal
Agency Agreement that it has received all sums due in respect of the Notes up to
such seventh day (except to the extent that there is any  subsequent  default in
payment).


                                      -39-
<PAGE>

      The amount of  interest  payable in respect of each Note for any  Interest
Period shall be  calculated  by applying  the Rate of Interest to the  principal
amount of such Note and rounding  the  resulting  figure to the nearest  centime
(half a centime being rounded upwards). If interest is required to be calculated
for any  period  of less than one year it will be  calculated  on the basis of a
year of 360 days  consisting of 12 months of 30 days each and, in the case of an
incomplete month, the actual number of days elapsed.

5.  Redemption and Purchase

      (a) Scheduled  redemption.  Unless previously  redeemed,  or purchased and
cancelled, the Notes will be redeemed at their principal amount on 24 June 2005,
subject to Condition 6.

      (b) Optional redemption for tax reasons:  The Notes may be redeemed at the
option of the Issuer in whole,  but not in part, at any time, on giving not less
than 30 nor more than 60 days' notice to the Noteholders  (which notice shall be
irrevocable),  at their principal amount,  together with interest accrued to the
date  fixed for  redemption,  if the Issuer  has or will  become  obliged to pay
additional  amounts as provided or referred to in Condition 7 as a result of any
change in, or  amendment  to, the laws or  regulations  of the United  States of
America or any political  subdivision or any authority thereof or therein having
power  to  tax,  or  any  change  in  the  official   application   or  official
interpretation  of such laws or  regulations  (including a holding by a court of
competent jurisdiction), which change or amendment becomes effective on or after
22 June 1998, provided, however, that no such redemption may be made on any date
that is more than 90 days prior to the  earliest  date on which the Issuer would
be obliged to pay such  additional  amounts if a payment in respect of the Notes
were then due.

      Prior to the  publication  of any notice of  redemption  pursuant  to this
Condition, the Issuer shall deliver to the Fiscal Agent:

      (i)   a certificate signed by two directors of the Issuer stating that the
            Issuer is  entitled to effect such  redemption  and setting  forth a
            statement  of facts  showing  that the  conditions  precedent to the
            right of the Issuer so to redeem have occurred; and

      (ii)  an opinion of independent  legal advisers of recognised  standing to
            the effect that the Issuer has or will become  obligated to pay such
            additional amounts as a result of such change or amendment.

      Upon the expiry of any such  notice as is  referred  to in this  Condition
5(b),  the  Issuer  shall be bound to redeem the Notes in  accordance  with this
Condition 5(b).

      (c) No other  redemption:  The Issuer  shall not be entitled to redeem the
Notes otherwise than as provided in paragraphs (a) and (b) above.

      (d)  Purchase:  The  Issuer  or any of its  Subsidiaries  may at any  time
purchase Notes in the open market or otherwise and at any price.

      (e) Cancellation:  All Notes so redeemed or purchased by the Issuer or any
of its Subsidiaries  any unmatured  Coupons attached to or surrendered with them
may be cancelled or resold.

6.  Payments

      (a)  Principal:   Payments  of  principal   shall  be  made  only  against
presentation  and (provided that payment is made in full)  surrender of Notes at
the  Specified  Office of any Paying  Agent  outside  the United  states and its
possessions  by French  Franc  cheque drawn on, or by transfer to a French Franc
account maintained by the payee with, a bank in Paris.

      (b) Interest:  Payments of interest shall, subject to paragraph (f) below,
be made only against  presentation  and (provided  that payment is made in full)
surrender of the appropriate Coupons at the Specified Office of any Paying Agent
outside  the  United  States and its  possessions  in the  manner  described  in
paragraph (a) above.

      (c) Payments  subject to fiscal laws: All payments in respect of the Notes
are subject in all cases to any applicable fiscal or other laws and regulations,
but without  prejudice  to the  provisions  of Condition  7. No  commissions  or
expenses shall be charged to the Noteholders or Couponholders in respect of such
payments.

      (d) Deduction for unmatured  Coupons:  If a Note is presented  without all
unmatured Coupons relating  thereto,  a sum equal to the aggregate amount of the
missing  Coupons will be deducted  from the amount of principal due for payment,
provided,  however, that, if the gross amount available for payment is less than
the

                                      -40-
<PAGE>

principal  amount of such Note, the sum deducted will be that  proportion of the
aggregate  amount  of such  missing  Coupons  which the  gross  amount  actually
available for payment bears to the  principal  amount of such Note.  Each sum of
principal  so deducted  shall be paid in the manner  provided in  paragraph  (a)
above against presentation and (provided that payment is made in full) surrender
of the relevant missing Coupons.

      (e) Payments on business  days:  If the due date for payment of any amount
in  respect  of any  Note  or  Coupon  is not a  business  day in the  place  of
presentation, the relevant Noteholder or, as the case may be, Couponholder shall
not be  entitled  to  payment  in such  place of the  amount  due until the next
succeeding  business  day in such place and shall not be entitled to any further
interests  or other  payment in respect of any such  delay.  In this  paragraph,
"business day" means, in respect of any place of presentation,  any day on which
banks are open for  business in such place of  presentation  and, in the case of
payment by transfer  to a French  Franc  account as referred to above,  on which
dealings in foreign currencies may be carried on both in Paris and in such place
of presentation.

      (f)  Payments  other  than in  respect of  matured  Coupons:  Payments  of
interests  other than in respect of matured  Coupons  shall be made only against
presentation  of the relevant Notes at the Specified  Office of any Paying Agent
outside the United States.

      (g) Partial payments: If a Paying Agent makes a partial payment in respect
of any Note or Coupon  presented  to it for  payment,  such  Paying  Agent  will
endorse thereon a statement indicating the amount and date of such payment.

7. Taxation

      All  payments of  principal  and  interest in respect of the Notes and the
Coupons  shall be made free and clear of, and without  withholding  or deduction
for, any taxes, duties, assessments or governmental charges of whatsoever nature
imposed, levied, collected, withheld or assessed by the United States of America
or any political subdivision or any authority thereof or therein having power to
tax, unless such withholding or deduction is required by law. In that event, the
Issuer  shall pay such  additional  amounts as will result in the receipt by the
Noteholders and the Couponholders of such amounts as would have been received by
them if no such withholding or deduction had been required,  except that no such
additional amounts shall be payable in respect of

      (a)   any tax, duty,  assessment or other governmental  charge which would
            not have been imposed but for the existence of any present or former
            connection between such Noteholder (or between a fiduciary,  settlor
            or beneficiary  of, or possessor of power over such  Noteholder,  if
            such Noteholder is an estate or trust; or a member or shareholder of
            such  Noteholder,  if such Noteholder is a trust, a partnership or a
            corporation) and the United States;  the Commonwealth of Puerto Rico
            or any  territory or possession of the United States or area subject
            to its jurisdiction including,  without limitation,  such Noteholder
            (or such  fiduciary,  settlor,  beneficiary,  possessor,  member  or
            shareholder) being or having been a United States Person (as defined
            below);

      (b)   any estate, inheritance, gift, sales, transfer, personal property or
            any similar tax, duty, assessment or other governmental charge;

      (c)   any tax, duty,  assessment or other  governmental  charge imposed by
            reason of such Noteholder's past or present status (i) as a personal
            holding company or foreign  personal holding company with respect to
            the United States, (ii) as a corporation which accumulates  earnings
            to avoid United  States  federal  income tax,  (iii) as a controlled
            foreign  corporation with respect to the United States,  (iv) as the
            owner, actually or constructively,  of ten per cent. or more, of the
            total  combined  voting  power of all classes of stock of the issuer
            entitled  to vote,  (v) as a  private  foundation  or  other  exempt
            organisation  or  (vi) as a bank  receiving  interest  described  in
            Section  881(c)(3)(A) of the United States Internal  Revenue Code of
            1986, as amended.

      (d)   any tax, duty,  assessment or other  governmental  charge that would
            not  have  been  imposed  but  for a  failure  to  comply  with  any
            applicable  certification,   information,   documentation  or  other
            reporting  requirements   concerning  the  nationality,   residence,
            identity  or  connection  with the  United  States of the  holder or
            beneficial  owner of a Note,  if without  regard to any tax  treaty,
            such  compliance  is required by statute or regulation of the United
            States as a precondition to relief or exemption from such tax, duty,
            assessment or other governmental charge;

                                      -41-
<PAGE>

      (e)   any tax, duty, assessment or governmental charge that would not have
            been so imposed but for the  presentation  by the  Noteholder of the
            Note or the  Couponholder  of the Coupon for  payment on a date more
            than 30 days after the date on which such payment first becomes due.

      (f)   any tax,  duty,  assessment or  governmental  charge that is payable
            otherwise  than by withholding by the Issuer from the payment of the
            principal or, as the case may be, redemption amount in respect of or
            interest on the relevant Note or Coupon; or

      (g)   any combination of items (a), (b), (c), (d), (e), or (f) above

nor shall  additional  amounts to be paid (i) to any Noteholder or  Couponholder
who is not the  beneficial  owner of the Note or, as the case may be, Coupon for
United States  federal  income tax purposes if such  beneficial  owner would not
have been entitled to payment of additional  amounts had such  beneficial  owner
been the Noteholder or  Couponholder,  or (ii) to any Noteholder who is a United
States Person.

      For the purposes of this  Condition 7, "United  States  Person"  means any
citizen or resident of the United States,  a  corporation,  partnership or other
entity created or organised in or under the laws of the United States or, in the
case of a partnership, otherwise treated as a United States partnership pursuant
to the United States Treasury Department regulations under Section 7701(a)(4) of
the Internal Revenue Code of 1986, as amended,  an estate the income of which is
subject to United States federal income tax regardless of its source, a trust if
(a) a court  within the United  States is able to exercise  primary  supervision
over the  administration  of the trust and (b) one or more United States Persons
have the  authority to control all  substantial  decisions of the trust,  or any
other  person  whose  income  or gain  with  respect  to a Note  is  effectively
connected with the conduct of a United States trade or business.

      Any reference in these Conditions to principal or interest shall be deemed
to include any  additional  amounts in respect of  principal or interest (as the
case may be) which may be payable under this Condition 7.

8. Events of Default

      (a)   If any of the following events occurs and is continuing:

            (i)   the  Issuer  fails to pay any  amount in  respect of the Notes
                  within 30 days of the due date for payment thereof; or

            (ii)  subject  to the  provisions  of  Condition  8(b),  the  Issuer
                  defaults  in  the  performance  or  observance  of  any  other
                  obligation under the Notes and such default remains unremedied
                  for more than 30 days after written notice thereof,  addressed
                  to the  Issuer,  has been  delivered  to the  Issuer or to the
                  Specified  Office of the  Fiscal  Agent by hand or  registered
                  mail;

            (iii) subject to the provisions of Condition 8(b), any  indebtedness
                  of the Issuer for monies  borrowed  exceeding in aggregate FRF
                  120,000,000 (or equivalent in other  currencies)  shall not be
                  paid when due or shall become due prior to its stated maturity
                  resulting  from a default  which  permits any credit or of the
                  Issuer to accelerate such indebtedness; or

            (iv)  any   resolution  or  order  is  made  which  results  in  the
                  dissolution, winding-up or liquidation of the Issuer; or

            (v)   the Issuer shall commence a voluntary case  concerning  itself
                  under   Title  11  of  the   United   States   Code   entitled
                  "Bankruptcy",  as now or hereafter in effect or any  successor
                  thereto (the  "Bankruptcy  Code");  or an involuntary  case is
                  commenced   against  the  Issuer  and  the   petition  is  not
                  controverted  within 10 days,  or is not  dismissed  within 60
                  days,  after  commencement  of the case;  or a  custodian  (as
                  defined in the  Bankruptcy  Code) is  appointed  for, or takes
                  charge of, all or  substantially  all of the  property  of the
                  Issuer, or the Issuer is adjudicated insolvent or bankrupt, or
                  any order of relief or other order  approving any such case or
                  proceeding is entered;  or the Issuer suffers any  appointment
                  of any  custodian  or the like for it or all or  substantially
                  all of its property to continue undischarged or unstayed for a
                  period  of 60 days;  or any  corporate  action is taken by the
                  Issuer for the purpose of effecting any of the foregoing;

      then, subject to Condition 8(b), any Note may, by written notice addressed
      by the bearer  thereof to the Issuer and delivered to the Issuer or to the
      Specified  Office of the Fiscal Agent  (together  with  evidence that such
      Noteholder  at the time of such notice was the  Noteholder of the relevant
      Notes) be declared immediately due and payable,  whereupon it shall become
      immediately due and payable at its principal  amount together with accrued
      interest without further action or formality.


                                      -42-
<PAGE>

      (b) The events described in subsections  (a)(ii) and (iii) above will give
rise to a right to declare the Notes due only when the Fiscal Agent has received
such notices from holders of at least FRF  1,000,000,000 in aggregate  principal
amount of the Notes.

9. Prescription

      Claims for  principal  shall  become  void unless the  relevant  Notes are
presented for payment within ten years of the appropriate  Relevant Date. Claims
for interest  shall become void unless the relevant  Coupons are  presented  for
payment within four years of the appropriate Relevant Date.

      In these  Conditions,  "Relevant Date" means whichever is the later of (a)
the date on which the payment in question  first becomes due and (b) if the full
amount payable has not been received in Paris by the Fiscal Agent on or prior to
such due date,  the date on which  (the full  amount  having  been so  received)
notice to that effect has been given to the Noteholders.

10. Replacement of Notes and Coupons

      If any Note or coupon is lost, stolen, mutilated, defaced or destroyed, it
may be replaced at the specified Office of the Fiscal Agent and the Paying Agent
having its Specified  Office in Paris,  subject to all applicable laws and stock
exchange requirements,  upon payment by the claimant of the expenses incurred in
connection  with such  replacement  and on such terms as to evidence,  security,
indemnity  and  otherwise  as the Issuer may  reasonably  require.  Mutilated or
defaced Notes or Coupons must be surrendered before replacements will be issued.

11. Paying Agents

      In acting under the Fiscal Agency  Agreement  and in  connection  with the
Notes and Coupons,  the Paying  Agents act solely as agents of the Issuer and do
not assume any  obligations  towards or  relationship  of agency or trust for or
with any of the Noteholders or Couponholders.

      The initial Paying Agents and their initial  Specified  Offices are listed
below.  The  Issuer  reserves  the  right at any time to vary or  terminate  the
appointment  of any Paying  Agent and to appoint a  successor  fiscal  agent and
additional or successor paying agents; provided,  however, that the Issuer shall
(i) as long as the Notes are  listed on the Paris  Bourse and such  exchange  so
requires  maintain a paying  agent in Paris,  (ii) and,  maintain at all times a
fiscal  agent.  Notice  of any  change in any of the  Paying  Agents or in their
Specified Offices shall promptly be given to the Noteholders.

12. Meetings of Noteholders; Modification and Waiver

      (a)  Meetings  of  Noteholders:   The  Fiscal  Agency  Agreement  contains
provisions for convening meetings of Noteholders to consider matters relating to
the Notes,  including the  modification  of any  provision of these  Conditions,
other than as contemplated in Condition 16. Any such modification may be made if
sanctioned by an Extraordinary Resolution. Such a meeting may be convened by the
Issuer and shall be convened  by it upon the  request in writing of  Noteholders
holding  not less  than  one-tenth  of the  aggregate  principal  amount  of the
outstanding   Notes.   The  quorum  at  any  meeting  convened  to  vote  on  an
Extraordinary Resolution will be two or more persons holding or representing one
more than half of the aggregate principal amount of the outstanding Notes or, at
any adjourned  meeting,  two or more persons being or  representing  Noteholders
whatever  the  principal  amount of the  Notes  held or  represented;  provided,
however, that certain proposals (including any proposal to change any date fixed
for payment of  principal  or  interest  in respect of the Notes,  to reduce the
amount of principal or interest  payable on any date in respect of the Notes, to
alter the  method of  calculating  the  amount of any  payment in respect of the
Notes or the date for any such payment, to change the currency of payments under
the Notes  (other  than the  replacement  of the  French  Franc by the Europ (as
defined  in  Condition  (6)) or to change the quorum  requirements  relating  to
meetings or the majority  required to pass an Extraordinary  Resolution (each, a
"Reserved Matter")) may only be sanctioned by an Extraordinary Resolution passed
at a meeting of Noteholders at which two or more persons holding or representing
not less than three  quartets or, at any adjourned  meeting,  one quarter of the
aggregate  principal  amount  of  the  outstanding  Notes  form  a  quorum.  Any
Resolution  duly  passed  at any  such  meeting  shall  be  binding  on all  the
Noteholders and Couponholders, whether present or not.

      In  addition,  a  resolution  in  writing  signed  by or on  behalf of all
Noteholders  who for the time being are entitled to receive  notice of a meeting
of Noteholders will take effect as if it were an Extraordinary Resolution.  Such
a resolution in writing may be contained in one document or several documents in
the same form, each signed by or on behalf of one or more Noteholders.
 

                                      -43-
<PAGE>

      (b)  Modification.  The Notes and these  Conditions may be amended without
the consent of the Noteholders or the Couponholders to correct a manifest error.
In addition,  the parties to the Fiscal Agency Agreement may agree to modify any
provision  thereof,  but the Issuer shall not agree,  without the consent of the
Noteholders,  to any  such  modification  unless  it is of a  formal,  minor  or
technical  nature,  it is made to  correct  a  manifest  error or it is,  in the
opinion of such  parties,  not  materially  prejudicial  to the  interest of the
Noteholders.

13. Further Issues

      The Issuer may from time to time,  without the consent of the  Noteholders
or the  Couponholders,  create and issue further notes having the same terms and
conditions as the Notes in all respects (or in all respects except for the first
payment of interest) so as to form a single series with the Notes.

14. Notices

      Notices to the Noteholders  shall be valid if published in a daily leading
newspaper  having  general  circulation in Paris (which is expected to be either
les Ecchos or La Tribune  Desfosses) or, if such publication is not practicable,
in a leading  English  language daily newspaper  having general  circuclation in
Europe.  Any such notice shall be deemed to have been given on the date of first
publication.  Couponholders  shall be deemed for all  purposes to have notice of
the contents of any notice given to the Noteholders.

15. Governing Law and Jurisdiction

      (a)  Governing  law:  The Notes are governed by, and shall be construed in
accordance with, English law.

      (b)  Jurisdiction:  The Issuer  agrees for the benefit of the  Noteholders
that the courts of England  shall have  jurisdiction  to hear and  determine any
suit, action or proceedings,  and to settle any disputes, which may arise out of
or in connection  with the Notes  (respectively,  "Proceedings"  and "Disputes")
and, for such purposes, irrevocably submits to the jurisdiction of such courts.

      (c) Appropriate  forum: The Issuer  irrevocably waives any objection which
it might now or hereafter  have to the courts of England being  nominated as the
forum to hear and determine  any  Proceedings  and to settle any  Disputes,  and
agrees  not to claim  that any such  court is not a  convenient  or  appropriate
forum.

      (d)  Service of process:  The Issuer  agrees that the process by which any
Proceedings in England are begun may be served on it by being delivered to it at
Omnicom Finance Limited, 239 Old Marylebone Road, London NW1 5QT or at any other
address of the Issuer in Great Britain at which service of process may be served
on it in accordance  with Part XXIII of the Companies Act 1985.  Nothing in this
paragraph shall affect the right of any Noteholder to serve process in any other
manner permitted by law.

      (e)  Non-exclusivity:  The submission to the jurisdiction of the courts of
England  shall not (and shall not be  construed so as to) limit the right of any
Noteholder to take Proceedings in any other court of competent jurisdiction, nor
shall the taking of  Proceedings in any one or more  jurisdictions  preclude the
taking of Proceedings in any other jurisdiction (whether concurrently or not) if
and to the extent permitted by law.

16. European Monetary Union

      Pursuant to the treaty  establishing the European Community (the "EC"), as
amended by the treaty on European Union (the "Treaty"), to which the Republic of
France is a  signatory,  it is provided  that at or before 1 January  1999,  and
subject to the fulfilment of certain  conditions,  the European Currency Unit or
ECU may  become a  currency  in its own  right  (such  currency  to be named the
"Euro"), replacing all or some of the currencies of the member states of the EC,
including  the French  Franc.  If,  pursuant to the Treaty,  the French Franc is
replaced  by the Euro,  the payment of  principal  of, or  redemption  amount or
interest on, the Notes shall be effected and the Notes may,  without the consent
of the Noteholders or Couponholders,  on giving not less than 30 days' notice to
Noteholders,   the  relevant   clearing   systems  and  the  Paying   Agents  be
redenominated  in  Euro  in  conformity  with  market   convention  and  legally
applicable  measures taken pursuant to, or by virtue of, the Treaty; and, if the
Notes, the Paying Agency Agreement or any document related thereto calls for any
calculation  to be  made  by  reference  to an  amount  in  French  Francs,  the
calculation  shall instead be made by reference to the equivalent of that French
Franc amount in Euro,  determined in conformity with such market  convention and
legally applicable measures.


                                      -44-

<PAGE>

                               THE FIFTH SCHEDULE

                   Provisions for Meetings of the Noteholders

1.    Definitions:   In  this  Agreement  and  the  Conditions,   the  following
      expressions have the following meanings:

      "Block Voting  Instruction"  means, in relation to any Meeting, a document
      in the English language issued by a Paying Agent:

      (a)   certifying that certain specified Notes (the "deposited Notes") have
            been  deposited with such Paying Agent (or to its order at a bank or
            other  depositary)  or blocked in an account with a clearing  system
            and will not be released until the earlier of:

            (i)   the conclusion of the Meeting; and

            (ii)  the  surrender  to such Paying  Agent,  not less than 48 hours
                  before the time fixed for the Meeting  (or, if the Meeting has
                  been  adjourned,  the time fixed for its  resumption),  of the
                  receipt for the  deposited or blocked  Notes and  notification
                  thereof by such Paying Agent to the Issuer;

      (b)   certifying  that  the  depositor  of each  deposited  Note or a duly
            authorised  person on its behalf has instructed the relevant  Paying
            Agent that the votes  attributable  to such deposited Note are to be
            cast in a particular way on each resolution to be put to the Meeting
            and that,  during the  period of 48 hours  before the time fixed for
            the Meeting, such instructions may not be amended or revoked;

      (c)   listing the total number and (if in definitive form) the certificate
            numbers of the deposited Notes,  distinguishing  for each resolution
            between  those in respect of which  instructions  have been given to
            vote for, or against, the resolution; and

      (d)   authorising a named  individual or individuals to vote in respect of
            the deposited Notes in accordance with such instructions;

      "Chairman" means, in relation to any Meeting, the individual who takes the
      chair in accordance with paragraph 7 (Chairman);

      "Extraordinary  Resolution"  means a  resolution  passed at a Meeting duly
      convened and held in  accordance  with this  Schedule by a majority of not
      less than three quarters of the votes cast;

      "Meeting" means a meeting of Noteholders  (whether  originally convened or
      resumed following an adjournment);

      "Proxy"  means,  in relation to any  Meeting,  a person  appointed to vote
      under a Block Voting Instruction other than:

      (a)   any such person whose  appointment  has been revoked and in relation
            to whom the  Fiscal  Agent  has been  notified  in  writing  of such
            revocation  by the time which is 48 hours  before the time fixed for
            such Meeting; and


                                     - 45 -

<PAGE>

      (b)   any  such  person  appointed  to vote at a  Meeting  which  has been
            adjourned for want of a quorum and who has not been  re-appointed to
            vote at the Meeting when it is resumed;

      "Relevant Fraction" means:

      (a)   for all business other than voting on a resolution  described in the
            notice   referred  to  in  paragraph  6  of  this   Schedule  as  an
            Extraordinary Resolution, one tenth;

      (b)   for voting on a resolution  described  in the notice  referred to in
            paragraph 6 of this Schedule as an  Extraordinary  Resolution  other
            than one relating to a Reserved Matter, one more than half; and

      (c)   for voting on a resolution  described  in the notice  referred to in
            paragraph 6 of this Schedule as an Extraordinary Resolution relating
            to a Reserved Matter, three quarters;

      provided,  however, that, in the case of a Meeting which has resumed after
      adjournment for want of a quorum it means:

            (i)   for all business  other than voting on a resolution  described
                  in the notice  referred to in paragraph 6 of this  Schedule as
                  an Extraordinary Resolution relating to a Reserved Matter, the
                  fraction of the aggregate  principal amount of the outstanding
                  Notes  represented or held by the Voters  actually  present at
                  the Meeting; and

            (ii)  for voting on a resolution described in the notice referred to
                  in paragraph 6 of this Schedule as an Extraordinary Resolution
                  relating to a Reserved Matter, one quarter;

      "Reserved Matter" means any proposal:

      (a)   to change any date fixed for  payment of  principal  or  interest in
            respect of the Notes,  to reduce the amount of principal or interest
            payable  on any date in  respect of the Notes or to alter the method
            of calculating  the amount of any payment in respect of the Notes on
            redemption or maturity or the date for any such payment;

      (b)   to effect the  exchange  or  substitution  of the Notes for,  or the
            conversion of the Notes into, shares,  bonds or other obligations or
            securities  of the  Issuer  or any other  person  or body  corporate
            formed or to be formed;

      (c)   to change the currency in which  amounts due in respect of the Notes
            are payable  provided that the introduction of the Euro at the start
            of the third stage of European  Monetary  Union shall not constitute
            such a change;

      (d)   to  change  the  quorum  required  at any  Meeting  or the  majority
            required to pass an Extraordinary Resolution; or

      (e)   to amend this definition;


                                     - 46 -

<PAGE>

      "Voter"  means,  in  relation  to any  Meeting,  the  bearer  of a  Voting
      Certificate,  a Proxy or the bearer of a Definitive Note who produces such
      Definitive Note at the Meeting;

      "Voting  Certificate"  means, in relation to any Meeting, a certificate in
      the  English  language  issued by a Paying  Agent and dated in which it is
      stated:

      (a)   that  certain  specified  Notes (the  "deposited  Notes")  have been
            deposited with such Paying Agent (or to its order at a bank or other
            depositary) or blocked in an account with a clearing system and will
            not be released until the earlier of:

            (i)   the conclusion of the Meeting; and

            (ii)  the surrender of such certificate to such Paying Agent; and

      (b)   that the bearer of such  certificate  is entitled to attend and vote
            at the Meeting in respect of the deposited Notes;

      "Written  Resolution" means a resolution in writing signed by or on behalf
      of all  holders  of Notes who for the time being are  entitled  to receive
      notice of a Meeting in accordance  with the  provisions of this  Schedule,
      whether  contained in one document or several  documents in the same form,
      each signed by or on behalf of one or more such holders of the Notes;

      "24 hours" means a period of 24 hours  including all or part of a day upon
      which banks are open for  business in both the places  where the  relevant
      Meeting  is to be held and in each of the places  where the Paying  Agents
      have their Specified  Offices  (disregarding for this purpose the day upon
      which such Meeting is to be held) and such period shall be extended by one
      period or, to the extent  necessary,  more periods of 24 hours until there
      is  included as  aforesaid  all or part of a day upon which banks are open
      for business as aforesaid; and

      "48 hours" means 2 consecutive periods of 24 hours.

2. Issue of Voting Certificates and Block Voting  Instructions:  The holder of a
Note may obtain a Voting Certificate from any Paying Agent or require any Paying
Agent to issue a Block  Voting  Instruction  by  depositing  such Note with such
Paying Agent or arranging for such Note to be (to its satisfaction)  held to its
order or under its control or blocked in an account  with a clearing  system not
later than 48 hours  before the time fixed for the  relevant  Meeting.  A Voting
Certificate or Block Voting  Instruction shall be valid until the release of the
deposited  Notes to which it relates.  So long as a Voting  Certificate or Block
Voting  Instruction  is  valid,  the  bearer  thereof  (in the  case of a Voting
Certificate)  or any  Proxy  named  therein  (in  the  case  of a  Block  Voting
Instruction)  shall be deemed to be the  holder of the Notes to which it relates
for all purposes in  connection  with the Meeting.  A Voting  Certificate  and a
Block Voting Instruction cannot be outstanding  simultaneously in respect of the
same Note.

3. References to  deposit/release  of Notes:  Where Notes are represented by the
Temporary  Global Note or the  Permanent  Global Note or are held in  definitive
form within a clearing system,  references to the deposit,  or release, of Notes
shall be construed in accordance  with the usual practices  (including  blocking
the relevant account) of such clearing system.

4. Validity of Block Voting  Instructions:  A Block Voting  Instruction shall be
valid only if it is deposited at the Specified Office of the Fiscal Agent, or at
some other place approved by the Fiscal


                                     - 47 -

<PAGE>

Agent,  at least 24 hours before the time fixed for the relevant  Meeting or the
Chairman  decides  otherwise  before the Meeting  proceeds to  business.  If the
Fiscal Agent  requires,  a notarised copy of each Block Voting  Instruction  and
satisfactory proof of the identity of each Proxy named therein shall be produced
at the  Meeting,  but the Fiscal Agent shall not be obliged to  investigate  the
validity of any Block Voting Instruction or the authority of any Proxy.

5. Convening of Meeting: The Issuer may convene a Meeting at any time, and shall
be obliged to do so upon the request in writing of Noteholders  holding not less
than one tenth of the aggregate principal amount of the outstanding Notes.

6. Notice: At least 21 days' notice (exclusive of the day on which the notice is
given and of the day on which the relevant Meeting is to be held) specifying the
date,  time and place of the Meeting shall be given to the  Noteholders  and the
Paying  Agents  (with a copy to the  Issuer).  The notice shall set out the full
text of any  resolutions  to be  proposed  and shall state that the Notes may be
deposited  with,  or to the order  of,  any  Paying  Agent  for the  purpose  of
obtaining  Voting  Certificates  or  appointing  Proxies not later than 48 hours
before the time fixed for the Meeting.

7. Chairman: An individual (who may, but need not, be a Noteholder) nominated in
writing  by the  Issuer  may  take  the  chair at any  Meeting  but,  if no such
nomination  is made or if the  individual  nominated  is not  present  within 15
minutes  after the time fixed for the Meeting,  those present shall elect one of
themselves to take the chair failing  which,  the Issuer may appoint a Chairman.
The  Chairman  of an  adjourned  Meeting  need not be the same person as was the
Chairman of the original Meeting.

8. Quorum:  The quorum at any Meeting shall be at least two Voters  representing
or holding not less than the Relevant Fraction of the aggregate principal amount
of the  outstanding  Notes;  provided,  however,  that,  so long as at least the
Relevant Fraction of the aggregate  principal amount of the outstanding Notes is
represented by the Temporary  Global Note or the Permanent Global Note, a single
Proxy  representing  the holder thereof shall be deemed to be two Voters for the
purpose of forming a quorum.

9. Adjournment for want of quorum: If within 15 minutes after the time fixed for
any Meeting a quorum is not present, then:

      (a)   in the  case of a  Meeting  requested  by  Noteholders,  it shall be
            dissolved; and

      (b)   in the case of any other  Meeting,  it shall be  adjourned  for such
            period  (which  shall be not less  than 14 days and not more than 42
            days)  and to  such  place  as the  Chairman  determines;  provided,
            however, that:

            (i)   the Meeting shall be dissolved if the Issuer so decides; and

            (ii)  no  Meeting  may be  adjourned  more  than  once for want of a
                  quorum.

10.  Adjourned  Meeting:  The  Chairman  may,  with the consent of (and shall if
directed by) any Meeting,  adjourn such Meeting from time to time and from place
to place,  but no business  shall be transacted at any adjourned  Meeting except
business which might lawfully have been transacted at the Meeting from which the
adjournment took place in accordance with this Schedule.


                                     - 48 -


<PAGE>

11.  Notice  following  adjournment:  Paragraph  6 (Notice)  shall  apply to any
Meeting which is to be resumed after adjournment for want of a quorum save that:

      (a)   10 days' notice  (exclusive  of the day on which the notice is given
            and of the day on  which  the  Meeting  is to be  resumed)  shall be
            sufficient; and

      (b)   the notice shall specifically set out the quorum  requirements which
            will apply when the Meeting resumes.

It shall not be necessary to give notice of the  resumption  of a Meeting  which
has been adjourned for any other reason.

12. Participation: The following may attend and speak at a Meeting:

      (a)   Voters;

      (b)   representatives of the Issuer and the Fiscal Agent;

      (c)   the financial advisers of the Issuer;

      (d)   the legal counsel to the Issuer and the Fiscal Agent; and

      (e)   any other person approved by the Meeting.

13. Show of hands: Every question submitted to a Meeting shall be decided in the
first instance by a show of hands.  Unless a poll is validly  demanded before or
at the time that the result is declared,  the Chairman's  declaration  that on a
show of hands a  resolution  has been passed,  passed by a particular  majority,
rejected or rejected by a particular majority shall be conclusive, without proof
of the number of votes cast for, or against, the resolution.

14. Poll: A demand for a poll shall be valid if it is made by the Chairman,  the
Issuer or one or more Voters  representing or holding not less than one fiftieth
of the aggregate  principal  amount of the  outstanding  Notes.  The poll may be
taken  immediately or after such  adjournment as the Chairman  directs,  but any
poll demanded on the election of the Chairman or on any question of  adjournment
shall be taken at the Meeting  without  adjournment.  A valid  demand for a poll
shall  not  prevent  the  continuation  of the  relevant  Meeting  for any other
business as the Chairman directs.

15. Votes: Every Voter shall have:

      (a)   on a show of hands, one vote; and

      (b)   on a poll,  one vote in respect of each  FRF10,000 in aggregate face
            amount of the outstanding Note(s) represented or held by him.

In the case of a voting tie the Chairman shall have a casting vote.


                                     - 49 -

<PAGE>

Unless the terms of any Block Voting Instruction state otherwise,  a Voter shall
not be obliged to exercise  all the votes to which he is entitled or to cast all
the votes which he exercises in the same way.

16.  Validity of Votes by Proxies:  Any vote by a Proxy in  accordance  with the
relevant  Block  Voting  Instruction  shall be valid even if such  Block  Voting
Instruction or any  instruction  pursuant to which it was given has been amended
or revoked,  provided  that the Fiscal Agent has not been notified in writing of
such amendment or revocation by the time which is 24 hours before the time fixed
for the relevant  Meeting.  Unless  revoked,  any appointment of a Proxy under a
Block  Voting  Instruction  in  relation to a Meeting  shall  remain in force in
relation to any resumption of such Meeting  following an adjournment;  provided,
however, that no such appointment of a Proxy in relation to a Meeting originally
convened  which has been adjourned for want of a quorum shall remain in force in
relation to such  Meeting  when it is resumed.  Any person  appointed to vote at
such a Meeting must be  reappointed  under a Block Voting  Instruction  Proxy to
vote at the Meeting when it is resumed.

17.  Powers:   A  Meeting  shall  have  power   (exercisable  by   Extraordinary
Resolution),  without prejudice to any other powers conferred on it or any other
person:

      (a)   to approve any Reserved Matter;

      (b)   to  approve  any  proposal  by  the  Issuer  for  any  modification,
            abrogation,  variation or compromise of any of the Conditions or any
            arrangement in respect of the  obligations of the Issuer under or in
            respect of the Notes;

      (c)   to approve any  proposal by the Issuer for any  modification  of any
            provision of the Deed of Covenant or any  arrangement  in respect of
            the obligations of the Issuer thereunder;

      (d)   to  approve  the  substitution  of any person for the Issuer (or any
            previous  substitute)  as principal  obligor under the Notes and the
            Deed of Covenant;

      (e)   to waive any breach or authorise  any proposed  breach by the Issuer
            of its  obligations  under or in respect of the Notes or the Deed of
            Covenant or any act or omission which might otherwise  constitute an
            event of default under the Notes;

      (f)   to  authorise  the Fiscal  Agent or any other  person to execute all
            documents  and  do  all  things  necessary  to  give  effect  to any
            Extraordinary Resolution;

      (g)   to give any other  authorisation or approval which is required to be
            given by Extraordinary Resolution; and

      (h)   to appoint any persons as a committee to represent  the interests of
            the  Noteholders  and to confer upon such committee any powers which
            the  Noteholders   could   themselves   exercise  by   Extraordinary
            Resolution.

18.  Resolution  binds all  holders:  A  resolution  shall be  binding  upon all
Noteholders  and holders of Coupons  whether or not present at such  Meeting and
each of the Noteholders shall be bound to give effect to it accordingly.  Notice
of the result of every vote on a resolution shall be given to the


                                     - 50 -

<PAGE>

Noteholders  and the Paying Agents (with a copy to the Issuer) within 14 days of
the conclusion of the Meeting.

19.  Minutes:  Minutes shall be made of all  resolutions and proceedings at each
Meeting.  The  Chairman  shall  sign the  minutes,  which  shall be prima  facie
evidence of the proceedings  recorded therein.  Unless and until the contrary is
proved,  every such Meeting in respect of the  proceedings of which minutes have
been  summarised  and signed shall be deemed to have been duly convened and held
and all  resolutions  passed or  proceedings  transacted at it to have been duly
passed and transacted.

20. Written Resolution:  A Written Resolution shall take effect as if it were an
Extraordinary Resolution.


                                     - 51 -

<PAGE>

                               THE SIXTH SCHEDULE

                         Specified Offices of the Agents

The Fiscal Agent:

        Societe Generale Bank & Trust S.A., Luxembourg
        11-13 avenue Emile Reuter
        L-2420 Luxembourg

        Telex:        2849 ALTIT LU
        Fax:          +  352 241575

        Attention:    Christiane Tini

The other Paying Agent:

        Societe Generale
        29 boulevard Haussman
        75009 Paris
        France

        Fax:          + 331 5343 5700

        Attention:    Paying Agency


                                     - 52 -

<PAGE>

                                   SIGNATURES

The Issuer

OMNICOM GROUP INC.

By: DENIS STREIFF

The Fiscal Agent

SOCIETE GENERALE BANK & TRUST S.A., LUXEMBOURG

By: MICHEL BACKER       By: VINCENT DECALF

The Other Paying Agent

SOCIETE GENERALE

By: MICHEL BACKER       By: VINCENT DECALF

For the  purposes  of Article 1 of the  Protocol  annexed to the  Convention  on
Jurisdiction  and the  Enforcement of Judgments in Civil and Commercial  Matters
signed  at  Brussels  on  27  September  1968,  the  undersigned  expressly  and
specifically agrees in the terms of Clause 13.02 (Jurisdiction).

SOCIETE GENERALE BANK & TRUST S.A., LUXEMBOURG

By: MICHEL BACKER       By: VINCENT DECALF

JCCTS4$8.18


                                     - 53 -



                                                                  CONFORMED COPY

                               DATED 22 June 1998

                               OMNICOM GROUP INC.

                                     - and -

                               MORGAN STANLEY S.A.

                                   and Others

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

                             SUBSCRIPTION AGREEMENT

                                   relating to
                                FRF 1,000,000,000
                          5.20 per cent. Notes due 2005

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

                                 Clifford Chance
                                     London

<PAGE>

Reference              Description                  Procedures and Findings
- ---------              -----------                  -----------------------

The Issuer's           Total capitalisation         We added total long-term
Capitalisation,        at March 31, 1998            debt and total shareholders'
page 18                and March 31, 1997.          equity, noting agreement
                                                    with total capitalisation at
                                                    March 31, 1998 and
                                                    March 31, 1997

<PAGE>

THIS AGREEMENT is made on 22 June 1998

BETWEEN:

(1)   OMNICOM GROUP INC. (the "Issuer"); and

(2)   MORGAN   STANLEY  S.A.   ("MSSA"),   SOCIETE   GENERALE,   DRESDNER   BANK
      AKTIENGESELLSCHAFT,  BANQUE NATIONALE DE PARIS,  PARIBAS,  CREDIT AGRICOLE
      INDOSUEZ,  CREDIT  COMMERCIAL DE FRANCE and NATEXIS BANQUE  (together with
      MSSA, the "Managers").

The Issuer and the Managers wish to record the arrangements  agreed between them
in relation to an issue of FRF  1,000,000,000  5.20 per cent.  Notes due 2005 of
the Issuer (the  "Notes",  which  expression  where the context so admits  shall
include the Temporary Global Note (the "Temporary  Global Note") to be delivered
in respect of them and the Permanent  Global Note (the "Permanent  Global Note")
for  which  interests  in the  Temporary  Global  Note  are  exchangeable).  The
Permanent  Global Note will,  in turn, be  exchangeable  for Notes in definitive
form ("Definitive  Notes") with interest coupons  ("Coupons")  attached,  in the
circumstances  specified  in the  Permanent  Global  Note.  The Notes will be in
bearer form in the denominations of FRF 10,000 and FRF 100,000 each.

1. ISSUE OF THE NOTES AND PUBLICITY

(A)   Agreement to Issue

The Issuer agrees to issue the Notes to the Managers or as they may direct on 24
June 1998 or such later date,  not being later than 10 July 1998,  as the Issuer
and MSSA on behalf of the Managers  may agree (the  "Closing  Date").  The Notes
will be subscribed at a price equal to 99.822 per cent. of the principal  amount
of the Notes (the "Issue  Price") less the  commissions,  concessions  and other
amounts  which the Issuer has  authorised  to be  deducted  from the Issue Price
hereunder   (the  "Selling   Price").   References  in  this  Agreement  to  the
"Pre-Closing Date" are to the last day preceding the Closing Date on which banks
are open for business and on which  dealings in foreign  currency may be carried
on in London.

(B)   The Notes

The Issuer will,  not later than the Closing Date,  enter into (and provide MSSA
with a copy of):

      (1)   a fiscal  agency  agreement  (the "Fiscal  Agency  Agreement")  with
            Societe  Generale Bank & Trust S.A.,  Luxembourg as fiscal agent and
            the other paying agent referred to in it; and

      (2)   a deed of covenant (the "Deed of Covenant")  each  substantially  in
            the form of the draft signed for  identification  by Clifford Chance
            and Dewey  Ballantine  LLP with such  changes as may be  approved by
            MSSA.  The Fiscal  Agency  Agreement  and the Deed of  Covenant  are
            together referred to as the "Contracts".


                                      -1-
<PAGE>

(C)   Offering Circular

The Issuer confirms that it has prepared an offering circular dated 22 June 1998
(the  "Offering  Circular"),  which  expression  shall  include any amendment or
supplement  prepared  pursuant to Clause  7(C)) for use in  connection  with the
issue of the Notes and hereby  authorises  the Managers to distribute  copies of
it, in accordance with the restrictions set forth in Schedule I attached hereto,
copies of it in preliminary or draft form having already been  distributed  with
the consent of the Issuer.

(D)   Publicity

The  Issuer  confirms  the   arrangements   made  on  its  behalf  by  MSSA  for
announcements  in respect of the Notes to be published on such dates and in such
newspapers or other  publications  as it may agree with MSSA. It is acknowledged
by MSSA that  announcements  in respect of the Notes will be published only with
the  Issuer's  prior  agreement  on  matters  of form,  substance  and places of
publication.

2.    STABILISATION

MSSA may, to the extent  permitted  by  applicable  laws,  over-allot  or effect
transactions in any over-the-counter  market or otherwise in connection with the
distribution  of the Notes with a view to stabilising or maintaining  the market
price of the Notes at levels other than those which might  otherwise  prevail in
the open market but in doing so MSSA shall act as principal  and not as agent of
the Issuer and any loss resulting from  over-allotment or stabilisation  will be
borne,  and any  profit  arising  from them  shall be  retained,  by MSSA.  Such
stabilising shall be conducted in accordance with all applicable laws and rules.
MSSA acknowledges that the Issuer has not authorised, and shall not be obligated
to   undertake,   the   issue  of  Notes  in  a   principal   amount   exceeding
FRF 1,000,000,000.

3.    AGREEMENTS BY THE MANAGERS

(A)   Subscription

The Managers  jointly and severally  agree to subscribe and pay for the Notes at
the Selling Price on the Closing Date on the terms of this Agreement.

(B)   Restrictions

Each Manager represents,  warrants and agrees in the terms set out in Schedule I
attached hereto.

(C)   Managers' Indemnity

Each Manager agrees to indemnify the Issuer and each of its directors,  officers
and  employees,  against any loss,  liability,  cost,  expense,  claim or action
(including  all  reasonable  costs,  charges or  expenses  paid or  incurred  in
disputing  or  defending  any of the  foregoing)  which any of them may incur or
which may be made  against  any of them  arising  out of, in  relation  to or in
connection with, any failure by such Manager to observe the terms and provisions
set out in Schedule I hereto

4.    LISTING

(A)   Application for Listing

The Issuer confirms that it has authorised MSSA to make, or cause to be made, an
application  on its behalf for the Notes to be listed on the Paris  Bourse  (the
"Stock Exchange").


                                      -2-
<PAGE>

(B)   Supply of Information

The Issuer agrees to deliver to MSSA for delivery to the Stock  Exchange  copies
of the Offering Circular and to take such other steps as may be required for the
purpose of obtaining such listing.

(C)   Maintenance of Listing

The  Issuer  will use all  reasonable  endeavours  to obtain and  maintain  such
listing for as long as any Note is outstanding.  If, however, it is unable to do
so, having used such endeavours, or if the maintenance of such listing is unduly
onerous,  the Issuer will instead use all  reasonable  endeavours  to obtain and
maintain a listing  for the Notes on such other  stock  exchange as it may (with
the approval of MSSA) decide.

5.    REPRESENTATIONS AND WARRANTIES

The Issuer represents and warrants to the Managers and each of them that:

(1)  Incorporation:  it is duly incorporated and validly existing under the laws
of the State of New York, with full corporate power and authority to conduct its
business as described in the Offering Circular;

(2) Capacity:  it has full corporate  power and capacity to create and issue the
Notes,  to execute this Agreement and the Contracts and to undertake and perform
the obligations expressed to be assumed by it herein and therein, and the Issuer
has taken all necessary action to approve and authorise the same;

(3) Validity of Contracts: this Agreement has been duly authorised, executed and
delivered  by the  Issuer  and  constitutes,  and the  Contracts  have been duly
authorised  by the Issuer and on the  Closing  Date,  upon their  execution  and
delivery by the Issuer, will constitute,  valid, legally binding and enforceable
obligations of the Issuer;

(4) Validity of Notes:  the Notes have been duly  authorised  by the Issuer and,
when duly executed,  authenticated,  issued and delivered in accordance with the
Fiscal Agency Agreement,  will constitute valid, legally binding and enforceable
obligations of the Issuer;

(5)  Status:  the  Notes  will  constitute  direct,  general  and  unconditional
obligations  of the Issuer which (i) rank pari passu among  themselves  and (ii)
(subject to Condition 3 of the Notes) will at all times rank at least pari passu
with all other present and future unsecured  obligations of the Issuer, save for
such  obligations  as may be  preferred  by  provisions  of law  that  are  both
mandatory and of general application;

(6)  Consents:  no action or thing is  required to be taken,  fulfilled  or done
(including,  without limitation,  the obtaining of any consent or licence or the
making of any filing or  registration)  for or in connection  with the execution
and delivery of this  Agreement and the Contracts,  the issue of the Notes,  the
carrying out of the transactions  contemplated  therein or the compliance by the
Issuer  with the terms of the Notes and the  Contracts,  except for those  which
have been, or will on or prior to the Closing Date be, obtained and are, or will
on the Closing Date be, in full force and effect;


                                      -3-
<PAGE>

(7) Compliance:  the execution and delivery of this Agreement and the Contracts,
the  issue of the  Notes,  the  carrying  out of the  transactions  contemplated
therein and  compliance  with the terms thereof do not and will not (a) conflict
with or result in a breach of any of the terms or provisions of, or constitute a
default  under,  the  articles  of  incorporation,  charter,  by-laws  (or other
constitutive documents) of the Issuer or any indenture,  trust deed, mortgage or
other agreement or instrument to which the Issuer or any of its  subsidiaries is
a party or by which any of them or any of their respective  properties is bound,
or (b) infringe any existing applicable law, rule, regulation,  judgment,  order
or decree of any  government,  governmental  body or court or  regulatory  body,
domestic or foreign, having jurisdiction over the Issuer, any such subsidiary or
any of their respective properties;

(8) Offering Circular: the Offering Circular, as of the date hereof, is accurate
in all material respects and does not contain any untrue statement of a material
fact or omit to  state  any  material  fact  necessary  to make  the  statements
therein,  in the light of the  circumstances  under  which they were  made,  not
misleading,  and the Offering Circular will be, as of the Closing Date, accurate
in all material respects and will not contain any untrue statement of a material
fact or omit to  state  any  material  fact  necessary  to make  the  statements
therein,  in the light of the  circumstances  existing at the Closing Date,  not
misleading,  provided that the Issuer makes no  representation or warranty as to
statements  or  omissions  from the list of  Managers  on the cover  page of the
Offering  Circular or under the caption  "Subscription and Sale" in the Offering
Circular,  which  statements were made in reliance upon, and in conformity with,
information  furnished in writing to the Issuer by the Managers specifically for
inclusion therein;

(9)  Financial  Statements:  (a) the  consolidated  financial  statements of the
Issuer  and its  consolidated  subsidiaries  taken as whole  (the  "Consolidated
Group")  for the  years  ended 31  December  1996 and 31  December  1997 and the
consolidated  financial statements of the Consolidated Group for the three month
period ended 31 March 1998 in each case appearing in the Offering  Circular were
prepared in accordance with  accounting  principles  generally  accepted in, and
pursuant  to the  relevant  laws of, the United  States of America  consistently
applied  (except as otherwise  disclosed in the Offering  Circular)  and present
fairly the financial position of the Consolidated Group as at the dates, and the
results of  operations  and changes in  financial  position of the  Consolidated
Group for the periods, in respect of which they have been prepared and (b) since
31  December  1997  there  has  been no  change,  nor any  development  or event
involving a  prospective  change of which the Issuer is, or might  reasonably be
expected to be, aware which is materially adverse to the condition (financial or
other),  results  of  operations  or  general  affairs  of the  Issuer or of the
Consolidated Group;

(10) Litigation:  there are no pending actions,  suits or proceedings against or
affecting  the  Issuer,  any of its  subsidiaries  or  any of  their  respective
properties which, if determined  adversely to the Issuer or any such subsidiary,
could  individually  or in the aggregate have an adverse effect on the condition
(financial or other),  results of operations or general affairs of the Issuer or
the Consolidated  Group or would materially  adversely affect the ability of the
Issuer to perform its  obligations  under this  Agreement,  the Contracts or the
Notes or which are  otherwise  material in the context of the issue of the Notes
and,  to the  best  of  the  Issuer's  knowledge,  no  such  actions,  suits  or
proceedings are threatened or contemplated;


                                      -4-
<PAGE>

(11) Events of Default:  no event has occurred or circumstance arisen which, had
the Notes already been issued,  might  (whether or not with the giving of notice
and/or the  passage  of time  and/or the  fulfilment  of any other  requirement)
constitute  an event  described  under  "Events  of  Default"  in the  Terms and
Conditions of the Notes set out in the Offering Circular; and

(12)  Regulation S: neither the Issuer nor its affiliates nor any persons acting
on its or their  behalf  has  engaged  or will  engage in any  directed  selling
efforts (as defined in  Regulation S under the United States  Securities  Act of
1933,  as amended (the  "Securities  Act")) with respect to the Notes and it and
they have complied and will comply with the offering restrictions requirement of
such Regulation.

The  representations  and  warranties of the Issuer in paragraphs (6) and (7) of
this Clause are,  however,  made in reliance on  fulfilment  by the  Managers of
their  representations,  warranties  and  agreements set out in paragraph (B) of
Schedule I attached hereto.

6.    INDEMNITY

(1) The Issuer undertakes to indemnify each Manager and its directors,  officers
and employees, and any affiliates of such Manager (each an "indemnified person")
against any loss, liability,  cost, claim, action or expense (including, but not
limited  to, all  reasonable  costs,  charges and  expenses  paid or incurred in
disputing  or  defending  any of the  foregoing)  which any of them may incur or
which may be made  against  any of them  arising  out of or in relation to or in
connection   with  any   inaccuracy   or  alleged   inaccuracy  in  any  of  the
representations  and  warranties  contained in Clause 5 hereof or in  connection
with any inaccurate  statement or alleged inaccurate  statement contained in the
Offering  Circular  or any  omission  or  alleged  omission  to state  therein a
material  fact  necessary to make the  statements  therein not  misleading.  The
Issuer expressly acknowledges that it shall not be released from such obligation
by reason of the fact that MSSA has assisted in the  preparation of the Offering
Circular.  The Issuer shall not be required to indemnify any indemnified  person
in respect of any inaccuracy or alleged inaccuracy of any of the representations
and warranties herein as to statements in or omissions from the list of Managers
on the cover page of the Offering  Circular or the statements  under the caption
"Subscription and Sale" in the Offering Circular.

(2) Conduct of claims: If any claim,  demand or action is brought or asserted in
respect of which any indemnified person is entitled to be indemnified by another
person (the  "Indemnifier")  under  Clause 3(C) or Clause 6(1) (each a "Claim"),
the following provisions shall apply:

      (a)   Notification:  each  indemnified  person shall  promptly  notify the
            Indemnifier  (but failure to do so shall not relieve the Issuer from
            liability);

      (b)   Assumption  of defence:  the  Indemnifier  shall,  subject to Clause
            6(3),  be  entitled  to assume  the  defence of the  relevant  Claim
            including  the  retention  of  legal   advisers   approved  by  each
            indemnified person, subject to the payment by the Indemnifier of all
            legal and other expenses of such defence;

      (c)   Separate  representation:  if the Indemnifier assumes the defence of
            the relevant  Claim,  each  indemnified  person shall be entitled to
            retain  separate  legal  advisers and to participate in such defence
            but the legal or other expenses incurred in so doing shall,  subject
            to Clause  6(3),  be borne by such  indemnified  person  unless  the
            Indemnifier   has   specifically   authorised   such   retention  or
            participation.


                                      -5-
<PAGE>

(3) Conduct by Indemnified Person:  Notwithstanding  Clause 6(2), an indemnified
person may retain  separate  legal  advisers in each relevant  jurisdiction  and
direct the defence of the relevant  Claim and the  Indemnifier  shall  reimburse
such indemnified  person for any legal or other expenses  reasonably so incurred
if:

      (a)   Indemnifier's failure: the Indemnifier (having assumed such defence)
            fails to retain for such  purpose  legal  advisers  approved by such
            indemnified person;

      (b)   Conflict  of  interest:   such  indemnified  person  has  reasonably
            concluded  that  the  use  of  any  legal  advisers  chosen  by  the
            Indemnifier  to represent such  indemnified  person may present such
            legal advisers with a conflict of interest; or

      (c)   Different  defences:  the  actual  or  potential  defendants  in, or
            targets  of,  such  Claim  include  both  the  Indemnifier  and such
            indemnified  person  and  such  indemnified  person  has  reasonably
            concluded that there may be legal defences available to it which are
            different from or additional to those available to the Indemnifier.

(4) Mitigation of loss:  Each  indemnified  person agrees that it shall take all
reasonable steps to mitigate any loss, liability, cost, claim, action or expense
in relation to any claim in respect of which it seeks indemnification hereunder.

(5) Settlement:  The Indemnifier shall not, without the prior written consent of
each  indemnified  party,  settle  or  compromise,  or  consent  to the entry of
judgment  with  respect to, any pending or  threatened  Claim  (irrespective  of
whether any indemnified person is an actual or potential defendant in, or target
of,  such Claim)  unless  such  settlement,  compromise  or consent  includes an
unconditional  release of each indemnified person from all liability arising out
of the matters which are the subject of such Claim. The Indemnifier shall not be
liable to indemnify  any  indemnified  person where the relevant  Claim has been
settled or  compromised  without its prior written  consent  (which shall not be
unreasonably withheld).

(6) Benefit of agreement:  Each of the Managers has entered into this Clause for
itself and as bare trustee for each of its affiliates and each officer, director
and employee of it or any such affiliate  (each, a "Third  Party").  Each of the
Managers shall have an absolute discretion whether or not to exercise or enforce
any right hereunder, be free to deal with its rights hereunder without regard to
the interests of any Third Party,  not be required to account to any Third Party
in respect of any amount  which it receives  hereunder  and not be liable to any
Third Party for any loss arising from any act or omission with respect hereto.

(7) Interpretation:  Term used in this Clause have the meanings given to them by
the Securities Act and the regulations thereunder.

7.  UNDERTAKINGS  BY THE ISSUER  The  Issuer  undertakes  with the  Managers  as
follows:

(A)  Taxes:  The Issuer  will bear and pay all stamp and other  taxes and duties
(including  interest and penalties)  payable  pursuant to the laws applicable in
the United States of America and the United Kingdom on or in connection with the
issue and purchase by the Managers of the Notes and the execution or delivery of
this Agreement and the Contracts.


                                      -6-
<PAGE>

(B)  Warranties:  The Issuer will forthwith  notify the Managers if, at any time
prior to payment  of the net  subscription  moneys to the Issuer on the  Closing
Date,  anything  occurs which  renders or may render  untrue or incorrect in any
respect any of the warranties contained in Clause 5.

(C) Amendment to Offering Circular:  The Issuer will notify MSSA if, at any time
prior to completion (in the view of MSSA) of the  distribution of the Notes, any
event  shall have  occurred  as a result of which the  Offering  Circular  would
include an untrue  statement  of a material  fact or omit to state any  material
fact necessary to make the statements therein, in the light of the circumstances
under  which  they are made  when  such  Offering  Circular  is  delivered,  not
misleading  or if for any  other  reason  it  shall  be  necessary  to  amend or
supplement  the Offering  Circular  and,  upon  request  from MSSA,  prepare and
furnish  without  charge to the Managers as many copies as MSSA may from time to
time reasonably  request of an amended Offering  Circular or a supplement to the
Offering Circular which will correct such statement or omission.

(D) Delivery of Offering Circular:  The Issuer will deliver to MSSA three copies
of the Offering  Circular and will deliver to the Managers as many copies of the
Offering Circular as they may reasonably require;

(E) No Announcements:  From the date hereof to, and including,  the Closing Date
the Issuer shall not, without prior notice to MSSA, make any public announcement
which  might   reasonably  be  expected  to  have  an  adverse   effect  on  the
marketability of the Notes.

8.    CONDITIONS PRECEDENT

(A) This  Agreement  and the  obligations  of the Managers to purchase the Notes
under it are conditional upon:

(1) Contracts: the execution and delivery (on or before the Closing Date) of the
Fiscal Agency Agreement and the Deed of Covenant by the respective parties;

(2) Listing: the Stock Exchange having agreed to list the Notes, subject only to
the issue of the  Temporary  Global  Note,  or MSSA  being  satisfied  that such
listing will be granted shortly after the Closing Date;

(3) Legal  Opinions:  on or before  the  Pre-Closing  Date,  there  having  been
delivered  to MSSA on behalf of the  Managers  opinions,  in form and  substance
satisfactory to MSSA, dated the Closing Date of:

      (1)   Dewey Ballantine LLP, New York legal advisers to the Issuer;

      (2)   Mr. B. Wagner, General Counsel of the Issuer; and

      (3)   Clifford Chance, English legal advisers to the Managers;

(4) Auditors'  Letters:  on the date of this  Agreement  and on the  Pre-Closing
Date,  there  having been  delivered  to the  Managers  letters,  in the form or
substantially  in the form set out in Schedule II hereof  dated the date of this
Agreement and the Closing Date, respectively, and addressed to the Managers from
Arthur Andersen, LLP, the auditors of the Issuer;


                                      -7-
<PAGE>

(5)  Process  Agent:  on or before  the  Pre-Closing  Date,  there  having  been
delivered to MSSA on behalf of the Managers  evidence that the person  mentioned
in Clause  15(B)(2)  has  agreed to  receive  process  in the  manner  specified
therein;

(6) Compliance:  at the Closing Date (1) the  representations  and warranties of
the Issuer in this  Agreement  being true,  accurate and correct in all material
respects  at, and as if made on,  the  Closing  Date and (2) the  Issuer  having
performed  all of its  obligations  under this  Agreement  to be performed on or
before the Closing  Date and there  having been  delivered to the Managers on or
before the Closing Date a certificate,  dated the Closing Date, signed by a duly
authorised officer of the Issuer to such effect; and

(7) Rating:  at the Closing Date there having occurred no  downgrading,  nor any
notice having been given of (a) any intended or potential downgrading or (b) any
review or possible  change  which does not  indicate  the  direction of any such
change, in the rating accorded to any other debt securities of the Issuer by any
rating agency.

(B) Waiver:  MSSA on behalf of the Managers may, at its discretion and upon such
terms as it thinks fit, waive  compliance with the whole or any part of Clause 8
(other than sub-Clauses (A) (1) and (2)).

9.    CLOSING

(A) Issue of Notes:  At 3.00 p.m.  (London  time) (or such  other time as may be
agreed  between MSSA, on behalf of the Managers,  and the Issuer) on the Closing
Date,  the Issuer will issue and deliver to the  Managers or their order in such
place as MSSA may reasonably require the Temporary Global Note duly executed and
authenticated.

(B) Payment:  Against such delivery the Managers will pay or cause to be paid to
the Issuer the net subscription moneys for the Notes (being the aggregate amount
payable  for the Notes  calculated  at the Issue Price less the  concession  and
commission referred to in Clause 10 and the amount referred to in Clause 11(B)).
MSSA (on  behalf of the  Managers)  shall  cause  such  payment  to be made by a
depositary (the "Common  Depositary") common to Morgan Guaranty Trust Company of
New York,  Brussels office,  as operator of the Euroclear System and Cedel Bank,
societe  anonyme on behalf of the Managers,  in immediately  available  funds to
such  French  Franc  account in Paris as shall be notified by the Issuer to MSSA
evidence  of such  payment  taking  the  form of a  confirmation  by the  Common
Depositary that it has made the relevant payment to the Issuer.

10.   CONCESSIONS AND COMMISSIONS

(A)   Combined management and underwriting commission:  The Issuer shall, on the
      Closing  Date,  pay to  MSSA  (on  behalf  of  the  Managers)  a  combined
      management and underwriting  commission of 0.20 per cent. of the aggregate
      principal amount of the Notes.  Such commission shall be deducted from the
      Issue Price.

(B)   Selling  Concession:  The  Issuer  shall  allow to MSSA (on  behalf of the
      Managers) a selling  concession of 0.20 per cent. of the principal  amount
      of the Notes. Such concession shall be deducted from the Issue Price.


                                      -8-
<PAGE>

11.   EXPENSES

(A)  General  Expenses:  The Issuer  agrees to pay the fees and  expenses of the
Fiscal Agent and the Paying Agents in relation to the  preparation and execution
of this Agreement and the Fiscal Agency Agreement,  the issue and authentication
of the  Notes and the  performance  of their  duties  under  the  Fiscal  Agency
Agreement.

(B) Managers'  Expenses:  In addition,  the Issuer will pay an amount in lieu of
reimbursement  of the Managers' legal and other expenses  incurred in connection
with the  issue of the  Notes  and an amount  in  respect  of  certain  expenses
associated  with the issue of the Notes,  all as separately  agreed between MSSA
and the Issuer. Such amount will be deducted from the Issue Price.

(C) Payment: All payments in respect of the costs, fees and expenses referred to
in Clause 11(B) shall be satisfied  by the Issuer  making them to MSSA,  and the
Issuer shall not be concerned with the  apportionment  of such payments  between
the Managers or the payment of them to other persons.

12.   TERMINATION

(A)  Managers'  ability  to  terminate:   Despite  anything  contained  in  this
Agreement,  MSSA on behalf of the Managers may give a termination  notice to the
Issuer at any time  prior to  payment  of the net  subscription  moneys  for the
Notes:

      (a)   if in the opinion of MSSA, circumstances shall be such as:

            (i)   to prevent or to a material  extent  restrict  payment for the
                  Notes in the manner contemplated in this Agreement; or

            (ii)  to  a  material  extent  prevent  or  restrict  settlement  of
                  transactions in the Notes in the market or otherwise; or

      (b)   if in the opinion of MSSA, there shall have been:

            (i)   any change in national or international political,  legal, tax
                  or regulatory conditions; or

            (ii)  any calamity or emergency,

            which  has in its view  caused a  substantial  deterioration  in the
            price and/or value of the Notes.

(B)  Consequences  of  termination:  Upon such notice being given this Agreement
shall  terminate  and be of no further  effect  and no party  shall be under any
liability to any other in respect of this Agreement,  except that (i) the Issuer
shall  remain  liable  under Clause 11 for the payment of the costs and expenses
already  incurred or  incurred  in  consequence  of such  termination,  (ii) the
Managers  shall  remain  liable  under  Clauses  3(B)  and 3(C)  and  (iii)  the
respective obligations of the parties under Clause 13 which would have continued
had the arrangements for the subscription and issue of the Notes been completed,
shall continue.


                                      -9-
<PAGE>

13.   SURVIVAL OF REPRESENTATIONS AND OBLIGATIONS

The  representations,  warranties,  agreements,  undertakings and indemnities in
this Agreement shall continue in full force and effect despite completion of the
arrangements for the  subscription  and issue of the Notes or any  investigation
made by or on behalf of the Managers or any of them.

14.   COMMUNICATIONS

Any  communication   shall  be  given  by  letter,  or  by  telex  or  facsimile
transmission in the case of notices to the Issuer, to it at:

Omnicom Group Inc.
437 Madison Avenue
New York, N.Y. 10022

U.S.A.

Fax no.: (212) 415 3530
Attention: Treasurer

and in the case of notices from the Issuer to the Managers, to MSSA at:

25 rue de Balzac
75406 Paris
Cedex 08

Telephone No.: 00 331 5377 7000
Telex No.: 644303
Fax No.: 00 331 5377 7099
Attention: Head of Syndicate

Any such  communication  shall take effect, in the case of a letter, at the time
of delivery,  in the case of telex at the time of receipt of answerback,  and at
the  time of  telephonic  confirmation  of  receipt,  in the case of  notice  by
facsimile.

Any communication not by letter shall be confirmed by letter but failure to send
or  receive  the  letter of  confirmation  shall  not  invalidate  the  original
communication.

15.   GOVERNING LAW AND JURISDICTION

(A)  Governing  Law:  This  Agreement  shall be  governed  by and  construed  in
accordance with English law.

(B) Jurisdiction:

(1) The courts of England are to have  jurisdiction to settle any disputes which
may arise out of or in connection  with this Agreement and accordingly any legal
action or  proceedings  arising  out of or in  connection  with  this  Agreement
("Proceedings") may be brought in such courts. The Issuer irrevocably submits to
the  jurisdiction  of such courts for the purposes of any Proceedings and waives
any objection to any  Proceedings in such courts whether on the grounds of venue
or on the ground  that the  Proceedings  have been  brought  in an  inconvenient
forum.  This submission is for the benefit of each of the Managers and shall not
limit the right of any of them to take Proceedings in any other


                                      -10-
<PAGE>

court of competent  jurisdiction  nor shall the taking of  Proceedings in one or
more jurisdictions  preclude the taking of Proceedings in any other jurisdiction
(whether concurrently or not).

(2)  The  Issuer  irrevocably  appoints  Omnicom  Finance  Limited  of  239  Old
Marylebone  Road,  London NW1 5QT as its authorised agent for service of process
in  England.  If for any  reason  such  agent  shall  cease to be such agent for
service of process,  the Issuer shall forthwith,  on request of MSSA,  appoint a
new agent for  service of process in England  acceptable  to MSSA and deliver to
MSSA a copy of the new agent's acceptance of that appointment within 30 days.

Nothing in this  Agreement  shall affect the right to serve process in any other
manner permitted by law.

This Agreement has been entered into on the date stated at the beginning.

This  Agreement  may be  executed in any number of  counterparts,  each of which
shall be deemed an original.  Any party may enter into this Agreement by signing
any such counterpart.

OMNICOM GROUP INC.

By:  DENIS STREIFF

MORGAN STANLEY S.A.

By:  ALICE BONARDI

SOCIETE GENERALE

By:  ALICE BONARDI

DRESDNER BANK AKTIENGESELLSCHAFT
BANQUE NATIONALE DE PARIS
PARIBAS
CREDIT AGRICOLE INDOSUEZ
CREDIT COMMERCIAL DE FRANCE
NATEXIS BANQUE
By:  ALICE BONARDI


                                      -11-
<PAGE>

                                   SCHEDULE I

(A)  General : No action  has been or will be taken in any  jurisdiction  by the
Managers or the Issuer  that would  permit a public  offering  of the Notes,  or
possession or  distribution  of the Offering  Circular (in  preliminary or final
form) or any other offering or publicity  material relating to the Notes, in any
country or jurisdiction where action for that purpose is required.  Each Manager
will comply with all applicable  laws and  regulations in each  jurisdiction  in
which it acquires,  offers,  sells or delivers Notes or has in its possession or
distributes  the Offering  Circular (in  preliminary  or final form) or any such
other  material,  in all cases at its own expense.  No Manager is  authorised to
make any  representation or to use any information in connection with the issue,
subscription  and sale of the Notes  other  than as  contained  in the  Offering
Circular or any amendment or supplement thereto.

(B) United States:  The Notes have not been and will not be registered under the
Securities Act and may not be offered or sold within the United States or to, or
for the account or benefit of, U.S. persons except in accordance with Regulation
S under the Securities Act or pursuant to an otherwise  available exemption from
the  registration  requirements of the Securities  Act. Each Manager  represents
that it has offered  and sold the Notes,  and agrees that it will offer and sell
the Notes (i) as part of their distribution at any time and (ii) otherwise until
40 days after the later of the  commencement  of the  offering  and the  Closing
Date, only in accordance with Rule 903 of Regulation S under the Securities Act.
Accordingly,  neither it, its  affiliates  nor any person acting on its or their
behalf have engaged or will engage in any directed  selling efforts with respect
to the Notes,  and it and they have  complied  and will comply with the offering
restrictions  requirement of Regulation S. Each Manager agrees that, at or prior
to  confirmation  of sale of the Notes,  it will have sent to each  distributor,
dealer or person receiving a selling concession,  fee or other remuneration that
purchases Notes from it during the restricted period a confirmation or notice to
substantially the following effect:

      "The  Securities  covered hereby have not been  registered  under the U.S.
      Securities Act of 1933 (the  "Securities  Act") and may not be offered and
      sold  within the United  States or to, or for the  account or benefit  of,
      U.S.  persons  (i) as  part  of  their  distribution  at any  time or (ii)
      otherwise  until  40 days  after  the  later  of the  commencement  of the
      offering and the closing date,  except in either case in  accordance  with
      Regulation S under the  Securities  Act. Terms used above have the meaning
      given to them by Regulation S."

Terms used in this paragraph have the meanings given to them by Regulation S.

Except as contemplated by this Agreement, the Managers have not entered and will
not enter, into any contractual  arrangement with respect to the distribution or
delivery of the Notes,  except with their  affiliates  or with the prior written
consent of the Issuer.

In addition, each of the Managers:

(1) except to the extent permitted under U.S. Treas. Reg. ss.1.163-5(c)(2)(i)(D)
(the "D Rules"),  (a) represents that it has not offered or sold, and during the
restricted period agrees that it will not offer or sell, Notes in bearer form to
a person  who is within  the  United  States or its  possessions  or to a United
States  person,  and (b) it has not  delivered  and will not deliver  within the
United States or its possessions  definitive  Notes in bearer form that are sold
during the restricted period;


                                      -12-
<PAGE>

(2) represents and agrees that it has, and throughout the restricted period will
have, in effect procedures  reasonably  designed to ensure that its employees or
agents who are directly  engaged in selling  Notes in bearer form are aware that
such Notes may not be offered or sold during the  restricted  period to a person
who is within the United States or its possessions or to a United States person,
except as permitted by the D Rules;

(3)  if it is a  United  States  person,  each  Manager  represents  that  it is
acquiring  the Notes for purposes of resale in  connection  with their  original
issue and if it retains  Notes in bearer form for its own account,  will only do
so  in  accordance  with  the  requirements  of  U.S.  Treas.   Reg.   ss.1.163-
5(c)(2)(i)(D)(6); and

(4) with  respect to each  affiliate  that  acquires  from any Manager  Notes in
bearer  form for the  purpose  of  offering  or selling  such  Notes  during the
restricted   period,   each   Manager   either  (a)  repeats  and  confirms  the
representations  and agreements  contained in clauses (1), (2) and (3) on behalf
of such  affiliate or (b) agrees that it will obtain from such affiliate for the
benefit of the Issuer the  representations  and agreements  contained in clauses
(1), (2) and (3).

Terms  used in this  paragraph  have  the  meanings  given  to them by the  U.S.
Internal Revenue Code and regulations thereunder, including the D Rules.

(C) United  Kingdom:  Each Manager  represents to and agrees with the Issuer and
each other Manager that:

      (a) No offer to public:  it has not  offered or sold and will not offer or
      sell any Notes to persons in the United Kingdom prior to the expiry of the
      period  of six  months  from the  Closing  Date  except to  persons  whose
      ordinary  activities  involve  them in  acquiring,  holding,  managing  or
      disposing of investments (as principal or agent) for the purposes of their
      businesses or otherwise in circumstances  which have not resulted and will
      not  result in an offer to the  public in the  United  Kingdom  within the
      meaning of the Public Offers of Securities Regulations 1995;

      (b)  General  compliance:  it  has  complied  and  will  comply  with  all
      applicable  provisions of the Financial  Services Act 1986 with respect to
      anything  done by it in  relation  to the  Notes  in,  from  or  otherwise
      involving the United Kingdom; and

      (c)  Investment  advertisements:  it has only issued or passed on and will
      only issue or pass on in the United Kingdom any document received by it in
      connection  with  the  issue of the  Notes  to a  person  who is of a kind
      described in article 11(3) of the Financial  Services Act 1986 (Investment
      Advertisements)  (Exemptions)  Order  1996 or is a  person  to  whom  such
      document may otherwise lawfully be issued or passed on.

(D) Republic of France:  Each Manager  represents  and agrees that the Notes are
being issued  outside the Republic of France and that, in connection  with their
initial  distribution,  it has not  offered  or sold and will not offer or sell,
directly or indirectly,  any Notes to the public in the Republic of France,  and
that it has not  distributed  and will not distribute or cause to be distributed
to the public in the  Republic  of France  the  Offering  Circular  or any other
offering material relating to the Notes.


                                      -13-
<PAGE>

                                   SCHEDULE II

                                     Part I

                                     Arthur
                                    Anderson

June 22, 1998

Morgan Stanley S.A.
c/o Pierre Massera
25 Rue de Balzac
75008 Paris France
for itself and on behalf of the
Managers of the Note issue which
are party to the Subscription Agreement
dated 22 June 1998

Dear Sirs:

We have audited the consolidated balance sheets of Omnicom Group Inc. and
subsidiaries (the "Company" as of December 31,1007 and 1996, and the
consolidated statements of income, shareholders' equity, and changes in
financial position (cash flows) for each of the three years in the period ended
December 31, 1997, and the related financial statement schedule, all
incorporated by reference in the Company's Offering Circular (the "Offering
Circular") covering the issuance of FRF 1,000,000,000, 5.20% Notes due 2005 (the
"Notes"); or report with respect thereto dated February 18, 1998 (except for
Note 14 as to which the date is March 24, 1998), included in the Company's
Annual Report on Form 10-K for the year ended December 31, 1997, is also
incorporated by reference in the Offering Circular.

In connection with the Offering Circular:

      1.    We are independent certified public accountants with respect to the
            Company within the meaning of Rule 101 of the American Institute of
            Certified Public Accountants' Code of Professional Conduct, and in
            interpretations and rulings.

      2.    In our opinion, the financial statements audited by us, and
            incorporated by reference in the Offering Circular, comply in form
            in all material respects with the applicable accounting requirements
            of the Securities Exchange Act of 1934 (the "Act") and the related
            published rules and regulations thereunder.

      3.    We have not audited any financial statements of the Company as of
            any date or for any period subsequent to December 31, 1997; although
            we have conducted an audit for the year ended December 31, 1997, the
            purpose (and therefore the scope) of the audit was to enable us to
            express our opinion of the consolidated financial statements as of
            December 31, 1997, and for the year then ended, but not of the
            consolidated financial statements for any interim period within the
            year. Therefore, we are unable to and do not express any opinion on
            the unaudited balance sheet as of March 31, 1998 or the statements
            of income, retained earnings and changes in financial position (cash
            flows) for the three month period ended March 31, 1998 and 1997,
            incorporated by reference in the Offering Circular, or on the
            financial position, resulting of operations or changes in financial
            position (cash flows) as of any date or for any period subsequent to
            December 31, 1997.


                                       -14-

<PAGE>

                                     Arthur
                                    Andersen

Morgan Stanley S.A.
Page 2
June 22, 1998

      4.    For purposes of this letter, we have read the 1998 minutes of the
            meetings of the Board of Directors, Audit Committee and Compensation
            Committee of Omnicom Group Inc. as set forth in the minute books as
            of June 22, 1998, officials of the Company having advised us that
            the minutes of all such meetings through the date were set forth
            therein; we have carried out other procedures to June 22, 1998, as
            follows:

            a.    With respect to the three-month periods ended March 31, 1998,
                  1997 and 1996, we have:

                  i.    Read the unaudited condensed consolidated balance sheets
                        as of March 31, 1998 and 1997 and unaudited condensed
                        consolidated statements of income for the three-month
                        periods ended March 31, 1998, 1997 and 1996,
                        incorporated by reference in the Offering Circular, and
                        agree the amounts contained therein to the Company's
                        accounting records as of March 31, 1998 and 1997 and for
                        the three-month periods ended March 31, 1998, 1997 and
                        1996.

                  ii.   Inquired of certain officials of the Company who have
                        responsibility for financial and accounting matters
                        whether the unaudited condensed consolidated financial
                        statements referred to in a(i) and above: (1) are in
                        conformity with generally accepted accounting principles
                        in the United states applied on a basis substantially
                        consistent with that of the audited consolidated
                        financial statements incorporated by reference in the
                        Offering Circular, and (2) comply as to form in all
                        material respects with the applicable accounting
                        requirements of the Act and the related published rules
                        and regulations. Those officials stated that the
                        unaudited condensed consolidated financial statements
                        (1) are in conformity with generally accepted accounting
                        principles in the United States applied on a basis
                        substantially consistent with that of the audited
                        consolidated financial statements incorporated by
                        reference in the Offering Circular, and (2) comply as to
                        form in all material respects with the applicable
                        accounting requirements of the Act and the related
                        published rules and regulations.

            b.    With respect to the period from April 1, 1998 through April
                  30, 1998, we have:

                  i.    Read the unaudited condensed consolidated statements of
                        income of the Company for the four-month periods ended
                        April 30, 1998 and 1997 furnished us by the Company.
                        [ILLEGIBLE] of the Company having advised us that no
                        such financial statements as of any [ILLEGIBLE] any
                        period subsequent to April 30, 1998 were available.

                  ii.   Inquired of certain officials of the Company who have
                        responsibility for financial and accounting matter
                        whether the unaudited condensed consolidated statements
                        of income referred to in (b)(i) are stated on a basis
                        substantially consistent with that of the audited
                        consolidated statements of income incorporated by
                        reference in the Offering Circular. Those officials
                        stated that the unaudited condensed consolidated
                        statements of income referred to in b(i) are stated on a
                        basis substantially consistent with that of the audited
                        consolidated statements of income incorporated by
                        reference in the Offering Circular.


                                       -15-
<PAGE>


                                     Arthur
                                    Andersen

Morgan Stanley S.A.
Page 3
June 22, 1998

      5.    Because, as previously mentioned, no consolidated balance sheet,
            statement of shareholders' equity statement of changes in financial
            position (cash flows) as of any date or for any period subsequent to
            March 31, 1998, or statement of income for any period subsequent to
            April 30, 1998 are available, the procedures carried out by us with
            respect to changes in the consolidated balance sheet, statement of
            shareholders' equity, or statement of changes in financial position
            (cash flows) items after March 31, 1998, or for changes in the
            consolidated statement of income for any period subsequent to April
            30, 1998 have been more limited than those with respect to the
            periods referred to in 4. We have inquired of certain officials of
            the Company who have responsibility for financial and accounting
            matters as to whether (a) at June 22, 1998, there was any change in
            capital stock, increase in long-term debt, increase in consolidated
            net current liabilities or decrease in shareholders' equity of the
            Company as compared with amounts shown on the March 31, 1998
            unaudited condensed consolidated balance sheet incorporated by
            reference in the Offering Circular or (b) for the period from May 1,
            1998 to June 22, 1998, there were any decreases, as compared with
            the corresponding period in the preceding year, in consolidated
            commissions and fees or in the total or per-share amounts of income
            before extraordinary items or of net income. Those officials stated
            that, except for the matters set out below in 5.a.,(1) at June 22,
            1998, there was no change in capital stock, no increase in long-term
            debt, no increase in consolidated net current liabilities, and no
            decrease in shareholders' equity of the Company as compared with
            amounts shown on the March 31, 1998 unaudited condensed consolidated
            balance sheet incorporated by reference in the Offering Circular and
            (2) for the period from May 1, 1998 to June 22, 1998, there were no
            decreases, as compared with the corresponding period in the
            preceding year, in consolidated commissions and fees or in the total
            or per-share amounts of income before extraordinary items or of net
            income.

            a.    The officials referred to in 5 above stated that the Company's
                  consolidated net current liabilities have increased between
                  March 31 and June 30 of each of the preceding two years (1997
                  and 1996). Although there is no consolidated balance sheet
                  available for any date subsequent to March 31, 1998, those
                  officials further stated it is possible that had a
                  consolidated balance sheet as of June 22, 1998 have been
                  available, it would disclose an increase in consolidated net
                  current liabilities compared with amounts shown on the March
                  31, 1998 unaudited condensed consolidated balance sheet
                  incorporated by reference in the Offering Circular, as a
                  result of normal seasonal factors offset by the long-term
                  refinancing of certain short-term indebtedness. In addition,
                  although no consolidated balance sheet is available subsequent
                  to March 31, 1998, those officials stated it is probable that
                  were a consolidated balance sheet to have been available, it
                  would disclose an increase in long-term debt as a result of
                  the refinancing of short-term indebtedness, repurchases of the
                  Company's common stock, acquisition related payments and other
                  factors. Additionally, Company officials have informed us that
                  the number of shares of common stock issued and outstanding
                  was 169,712,975 at June 19, 1998, as compared to 169,970,855
                  at March 31, 1998.

      6.    For accounting data shown on pages 19 to 22 of the Offering Circular
            pertaining to the years ended December 31, 1997, 1996 and 1995, and
            for the quarters ended March 31, 1998, 1997 and 1996, we have
            compared this data with the financial information contained in the
            audited annual Form 10-K and unaudited quarterly Form 10-Q's and
            found them to be in agreement.


                                       -16-
<PAGE>

                                     Arthur
                                    Andersen

Morgan Stanley S.A.
Page 3
June 22, 1998

      7.    For purposes of this letter, we have performed additional procedures
            described in Schedule A under the heading "Procedures and Findings",
            which were applied as indicated with respect to the items so
            identified.

            It should be understood that we have no responsibility for
            establishing (and did not establish) the scope and nature of the
            procedures enumerated in paragraphs 3 through 7 above; rather the
            procedures enumerated therein are those the requesting party asked
            us to perform. Accordingly, we make no representations regarding
            questions of legal interpretation, nor do we provide any assurance
            as to matters relating to the Company's solvency, adequacy of its
            capital or ability to pay its debts, or regarding the sufficiency
            for your purposes of the procedures enumerated in the preceding
            paragraphs; also, such procedures would not necessarily reveal any
            material misstatement of amounts discussed above. Further, we have
            addressed ourselves solely to the foregoing data as set forth in the
            Offering Circular and make no representations regarding the adequacy
            of disclosure or regarding whether any material facts have been
            omitted. This letter relates only to the financial statement items
            specified above and does not extend to any financial statements of
            the Company.

            The foregoing procedures do not constitute an audit conducted in
            accordance with generally accepted auditing standards in the United
            States. We make no representations regarding the sufficiency of the
            foregoing procedures for your purposes. Had we performed additional
            procedures or had we conducted an audit or a review, other matters
            might have come to our attention that would have been reported to
            you.

            The procedures herein should not be taken to supplant any additional
            inquiries of procedures that you would undertake in your
            consideration of the proposed offering.

            This letter is solely for the information of the addressee and to
            assist Morgan Stanley S.A. and the other Managers (the "Managing
            Group") in conducting and documenting their investigation of the
            affairs of the Company in connection with the offering of the Notes
            covered by the Offering Circular, and it is not to be used,
            circulated, quoted, or otherwise referred to within or without the
            Managing Group for any purpose, including but not limited to the
            registration, purchase, or sale of Notes, nor is it to be filed with
            or referred to in whole or in part in the Offering Circular or any
            other document, except that reference may be made to it in any list
            of closing documents pertaining to the offering of the Notes covered
            by the Offering Circular.

            Very truly yours,

            /s/ Arthur Anderson LLP
            -----------------------
            ARTHUR ANDERSEN LLP


                                      -17-
<PAGE>

                                   Schedule A

                   PROCEDURES AND FINDINGS FOR WORK PERFORMED
                       WITH RESPECT TO INFORMATION IN THE
                       OFFERING CIRCULAR OR IN DOCUMENTS
               INCORPORATED BY REFERENCE IN THE OFFERING CIRCULAR

Reference           Description                    Procedures and Findings
- ---------           -----------                    -----------------------

Description of the  The statement that in 1997    We traced and recomputed
Issuer, page 13     and 1996, 50% and 51%         the indicated percentages
                    respectively, of Omnicom      to a schedule prepared by
                    Group's billing came from     the Company, noting
                    its non-U.S. operations.      agreement. We noted the
                                                  billings percentages do not
                                                  represent percentage of 
                                                  domestic and international 
                                                  invoices rendered to clients, 
                                                  but rather the term "billings"
                                                  as used in this content is 
                                                  used to describe the volume of
                                                  advertising purchased by 
                                                  clients which is derived based
                                                  upon methods disclosed 
                                                  under (*) in the Company's 
                                                  1997 Annual Report to 
                                                  Shareholders in the 
                                                  Comparative Highlights table.

Clients, page 15    The statement that            We traced and recomputed the
                    Omnicom's ten largest         indicated percentages to a
                    clients accounted for         schedule prepared by the
                    approximately 20% of          Company, noting agreement.
                    1997 commissions and fees.

The Issuer's        The actual components         We traced or recomputed
Capitalisation,     of short-term and             the indicated amounts to
page 18             long-term debt as             data as shown on a schedule
                    of March 31, 1998 and         prepared by the Company,
                    March 31, 1997.               noting agreement.

The Issuer's        The actual components         We traced the indicated
Capitalisation,     of shareholders' equity       amounts to data as shown
pages 18            as of March 31, 1998          on a schedule prepared by
                    and March 31, 1997.           the Company, noting
                                                  agreement.


                                      -18-
<PAGE>

Reference           Description                   Procedures and Findings
- ---------           -----------                   -----------------------

The Issuer's        Total capitalisation          We added total long-term
Capitalisation,     at March 31, 1998             debt and total shareholders'
page 18             and March 31, 1997.           equity, noting agreement
                                                  with total capitalisation at
                                                  March 31, 1998 and
                                                  March 3, 1997.


                                      -19-
<PAGE>


                                     Part II

Morgan Stanley S.A.
on behalf of the managers of the
issue mentioned below

                                                                    24 June 1998

Dear Sirs,

                               OMNICOM GROUP INC.
                         FRF1,000,000,000 5.20 per cent.
                                 Notes due 2005

We refer to our  letter of 22 June  1998.  We are  pleased to advise you that we
reaffirm the contents of that letter as at today's date.

This  letter is given  solely for the  information  of the persons to whom it is
addressed and may not be relied upon by any other person.

Yours faithfully,

Arthur Andersen LLP

By:

                                                                                
                                     - 20 -



                                                                  CONFORMED COPY

                               OMNICOM GROUP INC.

                                FRF 1,000,000,000
                          5.20 per cent. Notes due 2005

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

                                DEED OF COVENANT

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

                                  24 June 1998

                                 Clifford Chance
                                     London

<PAGE>

ANY UNITED STATES PERSON  ENTITLED TO THE BENEFITS OF THIS DEED OF COVENANT WILL
BE SUBJECT TO LIMITATIONS UNDER THE UNITED STATES INCOME TAX LAWS, INCLUDING THE
LIMITATIONS  PROVIDED IN SECTIONS  165(j) AND  1287(a) OF THE  INTERNAL  REVENUE
CODE.

THIS DEED OF COVENANT is made on 24 June 1998

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

BY

(1) OMNICOM GROUP INC. (the "Issuer")

IN FAVOUR OF

(2) THE ACCOUNTHOLDERS (as defined below).

WHEREAS

(A) The Issuer has  authorised  the  creation and issue of  FRF1,000,000,000  in
aggregate principal amount of 5.20 per cent. Notes due 2005 (the "Notes").

(B) The Notes will be in bearer form and in the  denominations  of FRF10,000 and
FRF100,000. The Notes will initially be issued in the form of a temporary global
Note (the "Temporary  Global Note") which will be  exchangeable  for a permanent
global Note (the "Permanent Global Note") in the circumstances  specified in the
Temporary  Global Note. The Permanent  Global Note will in turn be  exchangeable
for  Notes in  definitive  form  ("Definitive  Notes"),  with  interest  coupons
attached, in the circumstances specified in the Permanent Global Note.

(C) The  Permanent  Global Note will be  delivered  to a common  depositary  for
Morgan Guaranty Trust Company of New York,  Brussels office,  as operator of the
Euroclear System  ("Euroclear"),  Cedel Bank, societe anonyme ("Cedel Bank") and
SICOVAM S.A. ("SICOVAM").

(D) The  Issuer  will,  in  relation  to the Notes,  enter into a fiscal  agency
agreement  (as amended or  supplemented  from time to time,  the "Fiscal  Agency
Agreement")  with Societe  Generale Bank & Trust S.A.,  Luxembourg  (the "Fiscal
Agent", which expression includes any successor fiscal agent appointed from time
to time in connection with the Notes) and the other paying agents named therein.

(E) The Issuer wishes to make  arrangements  for the protection of the interests
of  Accountholders  in the event that the Permanent  Global Note becomes void in
accordance with its terms.

THIS DEED OF COVENANT WITNESSES as follows:

1. Interpretation

1.01  Definitions:  In this Deed of Covenant the following  expressions have the
following meanings:


                                      -2-
<PAGE>

      "Accountholder"  means any  accountholder  with a Clearing System which at
      the  Determination  Date has credited to its securities  account with such
      Clearing  System one or more  Entries in respect of the  Permanent  Global
      Note,   except  for  either   Clearing   System  in  its  capacity  as  an
      accountholder of the other Clearing System;

      "Clearing System" means each of Euroclear, Cedel Bank and SICOVAM;

      "Conditions"  means the terms and conditions of the Notes (as scheduled to
      the  Fiscal  Agency  Agreement  and as  modified  from  time  to  time  in
      accordance with their terms), and any reference to a numbered  "Condition"
      is to the correspondingly numbered provision thereof;

      "Determination  Date"  means the date on which the  Permanent  Global Note
      becomes void in accordance with its terms;

      "Direct Rights" means the rights referred to in Clause 2.01;

      "Entry"  means any entry  which is made in the  securities  account of any
      Accountholder  with a Clearing  System in respect of Notes  represented by
      the Permanent Global Note; and

      "Principal Amount" means, in respect of any Entry, the aggregate principal
      amount of the Notes to which such Entry relates.

1.02 Other defined terms: Terms defined in the Conditions have the same meanings
in this Deed of Covenant.

1.03  Clauses:  Any  reference  in this Deed of Covenant to a Clause is,  unless
otherwise stated, to a clause hereof.

1.04  Headings:  Headings and  sub-headings  are for ease of reference  only and
shall not affect the construction of this Deed of Covenant.

2. Direct Rights

2.01 Creation:  If the Permanent Global Note becomes void in accordance with its
terms,  each  Accountholder  shall have  against the Issuer all rights  ("Direct
Rights")  which  such  Accountholder  would have had in respect of the Notes if,
immediately before the Determination  Date, it had been the holder of Definitive
Notes, duly executed, authenticated and issued, in an aggregate principal amount
equal to the Principal Amount of such Accountholder's Entries including (without
limitation) the right to receive all payments due at any time in respect of such
Definitive  Notes  as if  such  Definitive  Notes  or (as the  case  may be) the
relevant Coupon(s) had been duly presented and (in the case of a Coupon or final
redemption of a Definitive Note)  surrendered on the due date in accordance with
the Conditions.

2.02 No further  action:  No further action shall be required on the part of the
Issuer or any other person for the  Accountholders  to enjoy the Direct  Rights;
provided,  however,  that nothing  herein  shall  entitle any  Accountholder  to
receive  any payment in respect of the  Permanent  Global Note which has already
been made.


                                      -3-
<PAGE>

3. Evidence

3.01 Records:  The records of the Clearing Systems shall be conclusive as to the
identity of the  Accountholders  and the  respective  amounts  credited to their
securities accounts and a statement issued by a Clearing System setting out:

      (a)   the name of the Accountholder in respect of which it is issued; and

      (b)   the Principal Amount of any Entry credited to the securities account
            of such Accountholder with such Clearing System on any date,

shall be conclusive evidence for all purposes of this Deed of Covenant.

3.02 Determination Date: If a Clearing System determines the Determination Date,
such  determination  shall be binding on all  Accountholders  with such Clearing
System and any other relevant clearing system.

4. Deposit of Deed of Covenant

This Deed of Covenant shall be deposited with and held by the Fiscal Agent until
the date on which all the  obligations  of the Issuer under or in respect of the
Notes  (including,  without  limitation,  its  obligations  under  this  Deed of
Covenant) have been discharged in full. The Issuer hereby acknowledges the right
of every Accountholder to the production of this Deed of Covenant.

5. Taxation

All  payments  under this Deed of Covenant  shall be made free and clear of, and
without  withholding  or  deduction  for,  any  taxes,  duties,  assessments  or
governmental charges of whatsoever nature imposed, levied,  collected,  withheld
or assessed by the United States of America or any political  subdivision or any
authority  thereof or therein  having power to tax,  unless such  withholding or
deduction  is  required  by law.  In that  event,  the  Issuer  shall  pay  such
additional  amounts as will result in the receipt by the  Accountholders of such
amounts as would have been received by them if no such  withholding or deduction
had been required,  except that no such  additional  amounts shall be payable in
respect of:

      (a)   any tax, duty,  assessment or other governmental  charge which would
            not have been imposed but for the existence of any present or former
            connection  between  such  Accountholder  (or  between a  fiduciary,
            settlor  or  beneficiary  of,  or  possessor  of a power  over  such
            Accountholder,  if such  Accountholder  is an estate or trust;  or a
            member or shareholder of such  Accountholder,  if such Accountholder
            is a trust, a partnership  or a corporation)  and the United States;
            the  Commonwealth  of Puerto Rico or any  territory or possession of
            the United  States or area  subject to its  jurisdiction  including,
            without limitation, such Accountholder (or such fiduciary,  settlor,
            beneficiary,  possessor, member or shareholder) being or having been
            a U.S. Person (as defined below);

      (b)   any estate, inheritance, gift, sales, transfer, personal property or
            any similar tax, duty, assessment or other governmental charge;


                                      -4-
<PAGE>

      (c)   any tax, duty,  assessment or other  governmental  charge imposed by
            reason  of such  Accountholder's  past or  present  status  (i) as a
            personal  holding company or foreign  personal  holding company with
            respect  to  the  United  States,   (ii)  as  a  corporation   which
            accumulates  earnings to avoid  United  States  federal  income tax,
            (iii) as a controlled foreign corporation with respect to the United
            States,  (iv) as the owner,  actually or constructively,  of ten per
            cent., or more, of the total combined voting power of all classes of
            stock of the Issuer entitled to vote, (v) as a private foundation or
            other  exempt  organisation  or  (vi) as a bank  receiving  interest
            described  in  Section  881(c) 3 (A) of the United  States  Internal
            Revenue Code of 1986, as amended;

      (d)   any tax, duty,  assessment or other  governmental  charge that would
            not  have  been  imposed  but  for a  failure  to  comply  with  any
            applicable  certification,   information,   documentation  or  other
            reporting  requirements   concerning  the  nationality,   residence,
            identity or connection with the United States of the  Accountholder,
            if without regard to any tax treaty,  such compliance is required by
            statute or  regulation  of the United  States as a  precondition  to
            relief  or  exemption  from  such  tax,  duty,  assessment  or other
            governmental charge;

      (e)   any tax,  duty,  assessment or  governmental  charge that is payable
            otherwise  than by withholding by the Issuer from the payment of the
            principal or, as the case may be, redemption amount in respect of or
            interest payable hereunder;

      (f)   any combination of items (a), (b), (c), (d) or (e) above;

nor shall  additional  amounts be paid (i) to any  Accountholder  who is not the
beneficial  owner of the right to payment  of  principal,  redemption  amount or
interest  under this Deed of  Covenant  for  United  States  federal  income tax
purposes if such  beneficial  owner  would not have been  entitled to payment of
additional amounts had such beneficial owner been the Accountholder,  or (ii) to
any Accountholder who is a United States Person.

For the purposes of this Clause 5, "United  States  Person" means any citizen or
resident  of the United  States,  a  corporation,  partnership  or other  entity
created or organised  in or under the laws of the United  States or, in the case
of a partnership,  otherwise treated as a United States partnership  pursuant to
the United States Treasury  Department  regulations under Section  7701(a)(4) of
the Internal Revenue Code of 1986, as amended,  an estate the income of which is
subject to United States federal income tax regardless of its source, a trust if
(a) a court  within the United  States is able to exercise  primary  supervision
over the  administration  of the trust and (b) one or more United States persons
have the  authority to control all  substantial  decisions of the trust,  or any
other  person  whose  income  or gain  with  respect  to a Note  is  effectively
connected with the conduct of a United States trade or business.

6. Stamp Duties

The  Issuer  shall  pay all  stamp,  registration  and other  taxes  and  duties
(including any interest and penalties thereon or in connection  therewith) which
are payable in the United  States of America and the United  Kingdom  upon or in
connection  with the  execution  and  delivery  of this Deed of  Covenant or the
enforcement thereof,  and shall indemnify each Accountholder  against any claim,
demand, action,  liability,  damages, cost, loss or expense (including,  without
limitation, legal fees and any


                                      -5-
<PAGE>

applicable  value added tax) which it incurs as a result or arising out of or in
relation  to any  failure  of the Issuer to pay or delay by the Issuer in paying
any of the same.

7. Benefit of Deed of Covenant

7.01 Deed poll:  This Deed of Covenant  shall take effect as a deed poll for the
benefit of the Accountholders from time to time.

7.02  Benefit:  This  Deed  of  Covenant  shall  enure  to the  benefit  of each
Accountholder and its (and any subsequent) successors and assigns, each of which
shall be entitled severally to enforce this Deed of Covenant against the Issuer.

7.03  Assignment:  The Issuer shall not be entitled to assign or transfer all or
any of its rights, benefits and obligations hereunder.  Each Accountholder shall
be entitled to assign all or any of its rights and benefits hereunder.

8. Partial Invalidity

If  at  any  time  any  provision  hereof  is or  becomes  illegal,  invalid  or
unenforceable  in any respect  under the laws of any  jurisdiction,  neither the
legality,  validity or enforceability of the remaining provisions hereof nor the
legality,  validity or  enforceability  of such provision  under the laws of any
other jurisdiction shall in any way be affected or impaired thereby.

9. Notices

9.01 Address for  notices:  All notices and other  communications  to the Issuer
hereunder  shall be made in writing (by letter,  telex or fax) and shall be sent
to the Issuer at:

                  437 Madison Avenue
                  New York, New York 10022

                  USA

                  Fax:         +212 415 3530

                  Attention:   Treasurer

or to such other  address,  telex  number or fax number or for the  attention of
such other person or department as the Issuer has notified to the Noteholders in
the manner prescribed for the giving of notices in connection with the Notes.

9.02 Effectiveness:  Every notice or other communication sent in accordance with
Clause 9.01 shall be effective as follows:

      (a)   if sent by letter or fax, upon receipt by the Issuer; and

      (b)   if sent  by  telex,  upon  receipt  by the  sender  of the  Issuer's
            answerback at the end of transmission;


                                      -6-
<PAGE>

provided,  however,  that any such  notice or other  communication  which  would
otherwise  take  effect  after 4.00 p.m.  on any  particular  day shall not take
effect until 10.00 a.m. on the immediately  succeeding business day in the place
of the Issuer.

9.03 Notices to Accountholders:  Notices to the Accountholders shall be valid if
published in a daily  leading  newspaper  having  general  circulation  in Paris
(which is expected to be either les Echos or La Tribune  Desfosses)  or, if such
publication is not  practicable,  in a leading English  language daily newspaper
having general  circulation  in Europe.  Any such notice shall be deemed to have
been given on the date of first publication.

10. Law and Jurisdiction

10.01  Governing  law:  This  Deed of  Covenant  is  governed  by,  and shall be
construed in accordance with, English law.

10.02 Jurisdiction: The Issuer agrees for the benefit of the Accountholders that
the courts of England  shall have  jurisdiction  to hear and determine any suit,
action or proceedings,  and to settle any disputes, which may arise out of or in
connection  with  this  Deed  of  Covenant   (respectively,   "Proceedings"  and
"Disputes") and, for such purposes,  irrevocably  submits to the jurisdiction of
such courts.

10.03 Appropriate  forum: The Issuer  irrevocably  waives any objection which it
might now or  hereafter  have to the courts of England  being  nominated  as the
forum to hear and determine  any  Proceedings  and to settle any  Disputes,  and
agrees  not to claim  that any such  court is not a  convenient  or  appropriate
forum.

10.04 Process agent: The Issuer agrees that the process by which any Proceedings
in England are begun may be served on it by being  delivered to Omnicom  Finance
Limited  of 239 Old  Marylebone  Road,  London  NW1 5QT or,  if  different,  its
registered  office for the time being or at any address at which  process may be
served on it in  accordance  with Part XXIII of the  Companies Act 1985. If such
person is not or ceases to be effectively appointed to accept service of process
on the  Issuer's  behalf,  the  Issuer  shall,  on  the  written  demand  of any
Accountholder  addressed  to the  Issuer and  delivered  to the Issuer or to the
Specified  Office of the Fiscal  Agent,  appoint a further  person in England to
accept service of process on its behalf.

10.04  Non-exclusivity:  The  submission  to the  jurisdiction  of the courts of
England  shall not (and shall not be  construed so as to) limit the right of the
Accountholders to take Proceedings in any other court of competent jurisdiction,
nor shall the taking of  Proceedings in any one or more  jurisdictions  preclude
the taking of Proceedings in any other  jurisdiction  (whether  concurrently  or
not) if and to the extent permitted by law.

11. Modification

The Fiscal  Agency  Agreement  contains  provisions  for  convening  meetings of
Noteholders  to  consider   matters   relating  to  the  Notes,   including  the
modification  of any provision of this Deed of Covenant.  Any such  modification
may be  made  by  supplemental  deed  poll  if  sanctioned  by an  Extraordinary
Resolution and shall be binding on all Accountholders.


                                      -7-
<PAGE>

IN WITNESS  whereof this Deed of Covenant has been executed by the Issuer and is
intended to be and is hereby delivered on the date first before written.


                                      -8-
<PAGE>

EXECUTED as a deed                )
by OMNICOM GROUP INC.             )                                DENIS STREIFF
acting by DENIS STREIFF           )

                                      -9-


<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
THIS  SCHEDULE  CONTAINS  SUMMARY  FINANCIAL   INFORMATION  EXTRACTED  FROM  THE
CONSOLIDATED   CONDENSED   FINANCIAL   STATEMENTS  OF  OMNICOM  GROUP  INC.  AND
SUBSIDIARIES  AS OF AND FOR THE SIX MONTHS  ENDED JUNE 30, 1998 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                                   1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-END>                                   JUN-30-1998
<CASH>                                             337,918
<SECURITIES>                                        36,620
<RECEIVABLES>                                    2,393,592
<ALLOWANCES>                                        38,703
<INVENTORY>                                              0
<CURRENT-ASSETS>                                 3,451,138
<PP&E>                                             671,129
<DEPRECIATION>                                     364,452
<TOTAL-ASSETS>                                   6,150,574
<CURRENT-LIABILITIES>                            3,930,260
<BONDS>                                            837,924
                                    0
                                              0
<COMMON>                                            88,624
<OTHER-SE>                                         990,111
<TOTAL-LIABILITY-AND-EQUITY>                     6,150,574
<SALES>                                                  0
<TOTAL-REVENUES>                                 1,912,486
<CGS>                                                    0
<TOTAL-COSTS>                                    1,121,635
<OTHER-EXPENSES>                                   516,865
<LOSS-PROVISION>                                     3,907
<INTEREST-EXPENSE>                                  32,216
<INCOME-PRETAX>                                    255,888
<INCOME-TAX>                                       107,763
<INCOME-CONTINUING>                                136,895
<DISCONTINUED>                                           0
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                       136,895
<EPS-PRIMARY>                                         0.83
<EPS-DILUTED>                                         0.81
        


</TABLE>


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