ACNIELSEN CORP
10-K, 1999-03-25
ENGINEERING, ACCOUNTING, RESEARCH, MANAGEMENT
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                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                                  FORM 10-K


(Mark One)
(X)          Annual Report Pursuant to Section 13 or 15(d) 
                    of the SecuritiesExchange Act of 1934

             For the fiscal year ended December 31, 1998
                                             or
( )          Transition Report Pursuant to Section 13 or 15(d)of the
                    Securities Exchange Act of 1934
             For the Transition Period From                 to 
                                            --------------     ----------------

                    Commission file number 001-12277

                          ACNielsen Corporation
- - --------------------------------------------------------------------------
           (Exact name of registrant as specified in its charter)

           Delaware                                06-1454128
- - ------------------------------       --------------------------------------
   (State of incorporation)           (I.R.S. Employer Identification No.)

    177 Broad Street, Stamford, CT                     06901
- - ----------------------------------------        -------------------
(Address of principal executive offices)             (Zip Code)

Registrant's telephone number, including area code: (203) 961-3000.

       Securities registered pursuant to Section 12(b)of the Act:  None

         Title of each class                       Name of each exchange
                                                    on which registered
        ---------------------                    -------------------------
Common Stock, par value $.01 per share            New York Stock Exchange

Preferred Share Purchase Rights                   New York Stock Exchange
        Securities registered pursuant to Section 12(g) of the Act: None

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

          Indicate by check mark if disclosure of delinquent filers pursuant to
Item 405 of Regulation  S-K is not contained  herein, and will not be contained,
to the best of registrant's knowledge, in definitive proxy or information 
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K.     X
                              -------

         As of January 29, 1999,  57,547,453 shares of Common Stock of ACNielsen
Corporation were outstanding. The aggregate market value of the shares of Common
Stock  held  by  nonaffiliates  of  the  registrant   (based  upon  its  closing
transaction  price on the Composite Tape on January 29, 1999) was  approximately
$1,311 million.*

*Calculated by excluding all shares held by executive  officers and directors of
the  registrant,  without  conceding that all such persons are affiliates of the
registrant for purposes of the Federal securities laws.

                       Documents Incorporated by Reference
                      -------------------------------------
               Parts I and II:   Portions of Registrant's  Annual Report
                                 to  Shareholders  for the 1998 Fiscal Year.
               Part III:         Portions of  Registrant's  Proxy  Statement
                                 dated March 12, 1999.

               The Index to  Exhibits  is  located on Pages 16 to 18.

===============================================================================
<PAGE>
                                     PART I

         As used in this report,  except where the context indicates  otherwise,
the  terms  "Company"  and  "ACNielsen"  mean  ACNielsen   Corporation  and  all
subsidiaries  consolidated in the financial  statements  incorporated  herein by
reference.


ITEM 1. BUSINESS

General

         ACNielsen Corporation began operating as an independent,  publicly-held
company  on  November  1,  1996  (the  "Distribution  Date")  as a result of the
distribution  (the  "Distribution")  on  that  date  by  The  Dun  &  Bradstreet
Corporation ("D&B") to D&B's shareholders of the Company's $.01 par value Common
Stock,  at a distribution  ratio of one share of the Company for three shares of
D&B. As part of a reorganization of its businesses,  D&B also distributed all of
the  outstanding  common stock of  Cognizant  Corporation  ("Cognizant")  on the
Distribution Date.

         ACNielsen   Corporation,   which  has  its  headquarters  in  Stamford,
Connecticut,  was  incorporated  in the State of Delaware on April 30, 1996 as a
wholly-owned  subsidiary of D&B for the purpose of effecting  the  Distribution.
ACNielsen  Corporation operates principally through subsidiaries and the Company
generally  is  comprised  of the  former  D&B  businesses  that  deliver  market
research,  information  and  analysis to the  worldwide  consumer  products  and
services  industries,  and certain  businesses  acquired since the Distribution,
including ACNielsen BASES and ACNielsen EDI.

Description of Business

         ACNielsen is a global leader in delivering market research, information
and  analysis  to the  consumer  products  and  services  industries.  ACNielsen
services are offered in over 100 countries around the globe.  ACNielsen provides
its clients with market research, information and analysis for understanding and
making critical decisions about their products and their markets. ACNielsen also
conducts  media  measurement  and related  businesses,  including its television
audience measurement business which operates outside the U.S. and Canada.

         ACNielsen  operates  outside  the  United  States  through  a number of
subsidiaries,  affiliates  and  joint  ventures.  In  1998,  more  than  73%  of
ACNielsen's revenues were generated outside the United States.

         ACNielsen operates across a wide spectrum of research  services.  These
services  generally  fall into four  categories:  Retail  Measurement  Services,
Customized  Research  Services,  Media  Measurement  Services and Consumer Panel
Services.

         ACNielsen also offers its  customers,  through a wide range of modeling
and analytic services, custom-tailored insights into complex marketing and sales
issues.  Typical  assignments  range from  marketing-mix  modeling  to  category
management analysis,  including topics as diverse as pricing strategy,  consumer
driven market  structure,  variety  management,  outlet  switching and promotion
tactics.

         ACNielsen's clients include  distributors and manufacturers of consumer
packaged goods and other products,  retailers and brokers,  as well as companies
operating  in  various  service  industries   (including   financial   services,
telecommunications,  advertising,  television  and  radio  broadcasting,  motion
pictures and publishing).

         ACNielsen   operates  in  one  industry   segment,   Market   Research,
Information and Analysis Services. The approximate revenues attributable to each
category of service  provided by ACNielsen were as follows for the periods shown
(in millions of dollars):

                                           Year ended December 31,
                                      ---------------------------------
                                       1998          1997          1996
                                      ------        ------        ------
Retail Measurement                  $ 1,013         $ 989         $ 974
Customized Research                     213           191           188
Media Measurement*                       98           120           114
Consumer Panel                          101            92            83
                                   ---------      --------      --------
           Total                     $1,425        $1,392        $1,359
                                   =========      ========      ========

* Reported  revenue for media  measurement  declined in 1998, as a result of the
transfer of the Latin American media business to a joint venture (see page 4).

                                       1
<PAGE>

         The number of full-time equivalent employees of the Company at December
31, 1998 was approximately 20,700. Of this number, approximately 2,968 full-time
equivalent  employees  are located in the United  States,  and none of these are
represented  by labor  unions.  ACNielsen's  non-U.S.  employees  are subject to
numerous  labor council or similar  relationships  which vary due to the diverse
cultures in which ACNielsen  operates.  Management believes that labor relations
generally are  satisfactory  and have been  maintained in a normal and customary
manner.

Retail Measurement Services

         Through its Retail Measurement Services, the cornerstone of ACNielsen's
business, the Company delivers data to customers on product movement and related
causal  information (ie. coupons,  in-store  promotions and other information or
conditions affecting sales) on six continents.  Introduced in 1933,  ACNielsen's
original  Food and Drug Indexes soon became the  industry  measurement  tool for
understanding  the dynamics of product  sales.  Over the years,  technology  has
dramatically  improved  ACNielsen's  ability to collect and analyze  information
from retailers and consumers.  The availability of scanning technology in retail
outlets  in many  countries  around the world has  broadened  both the scope and
capabilities of ACNielsen's original retail indexes.

         ACNielsen's  Retail  Measurement  Services  are  available  in  over 80
countries.  Retail  Measurement  Services  include  scanning  and  retail  audit
services,  account level reports,  decision support,  merchandising and category
management  services and marketing and sales  applications,  along with modeling
and analytic services.

         Further expanding its global services, in late 1997, ACNielsen acquired
Entertainment Data, Inc. ("ACNielsen EDI"), a provider of box office information
for the motion picture industry. Based in Beverly Hills,  California,  ACNielsen
EDI  provides  overnight  information  on box office  receipts  to  studios  and
exhibitors  in  the  U.S.  motion  picture  industry.  ACNielsen  EDI  also  has
operations in the U.K., Germany, Spain, France, Mexico, Argentina and Australia.
The  information  provided by ACNielsen EDI helps users decide where and for how
long a movie will play, as well as how advertising and promotional  dollars will
be spent.

Scanning

         Using the bar codes  printed on  products  and  scanners  installed  in
retail outlets,  ACNielsen gathers  information from stores in the United States
and Canada and certain  countries  in Europe,  Latin  America and Asia  Pacific.
ACNielsen's  customers  can monitor  performance  trends and evaluate  price and
promotion  effectiveness  by tracking and  forecasting  non-promoted  as well as
promotional product movement.

         ACNielsen  offers a number  of  additional  services  to  enhance  each
customer's understanding of its markets. Among these are services reporting data
by  customer-defined  markets,  services  aggregating  consumer data in multiple
channels,  and  services  disaggregating  data to  satisfy  particular  needs of
customers.

Retail Audit

         In  addition  to  scanning  data  (which is  available  only in certain
industry sectors and in certain countries), retail audit is a valuable source of
market  information as a basic  measurement tool and as a supplement to scanning
data.  Retail  audit  involves the  continuous  measurement  by ACNielsen  field
auditors of product and category  performance in the retail trade, and reporting
to clients on sales,  distribution,  stocks,  prices  and other  measures  which
assist them in marketing and trade negotiations.

         Retail Audit is divided into industry  segments,  traditionally  called
Indexes.  The Food Index is generally the largest, but there are also Health and
Beauty,  Durables,  Confectionery,  Liquor, Cash & Carry, plus a number of other
Indexes specific to certain countries.

In-Store Observation

         ACNielsen field auditors  collect data on where products are located in
stores,  how many facings they have, on which shelves they are positioned,  etc.
(broken down by store type,  store size and geographic  region).  ACNielsen also
collects causal data.  These data add to market insights and help to monitor the
implementation  of  retailer/manufacturer  promotional  agreements  in  terms of
numeric distribution, space allocation and promotional execution.

                                       2
<PAGE>
Levels of Information

         ACNielsen provides information and insight to customers from a macro to
a micro  level.  Whether  on a country,  market or  individual  retailer  level,
ACNielsen  measures  the  competitive  environment  in which  manufacturers  and
retailers  conduct  business.  In some  countries  ACNielsen also provides store
census data which allow  retailers  and  manufacturers  to  understand  consumer
behavior  within a specific  store or group of stores as well as within a retail
trading area.

         ACNielsen's  account-specific  information provides sales and marketing
managers with a comprehensive array of retailer-specific sales and merchandising
information,   producing  reports  of  product  and  category  performance  that
encompass an organization's own brands as well as competing brands.

         On a global basis,  ACNielsen sells and provides to its  multi-national
customers  international reports within and across country boundaries.  Products
include an International  Database  (periodic reports of a multi-country  retail
database) and an International  Market Report (a one-time report on a market and
its competitive environment).

Decision Support

         ACNielsen  converts the data which it collects into  insights  yielding
competitive  advantage  for its clients.  ACNielsen  decision  support  software
offers  a  rich  environment  for  display,  manipulation,  analysis  and  final
presentation  through fast access to ACNielsen and clients'  internal  data. Its
decision support software can also uncover "exceptional" information through its
analytical modeling capabilities. ACNielsen information can be delivered on-line
and via other electronic media (CD-ROM,  diskette), via the Internet, as well as
in printed reports.

         ACNielsen  INF*ACT  Workstation  software  is an  open,  Windows-based,
analytical and  applications  development tool set used worldwide by ACNielsen's
clients.  ACNielsen's SalesNet provides fast, easy access to pre-run reports and
charts delivered via the Internet.

         ACNielsen also offers a series of  Windows-based  intelligent  business
applications that enhance ACNielsen INF*ACT  Workstation  functionality,  giving
clients the ability to plan, analyze and execute successful  marketing and sales
programs.  These applications  include  Opportunity  Explorer,  Business Review,
Spotlight, Category Manager, and others.

         In addition,  ACNielsen offers sophisticated  category management tools
such as SPACEMAN and PRICEMAN.

Customized Research Services

         Customized  Research  Services  are used by  manufacturers,  retailers,
financial  institutions and other service  organizations that seek to understand
the position of their  current,  new and  proposed  products and services in the
marketplace.  With  customized  research  capabilities  in more than half of the
countries  in which it  operates,  ACNielsen  is  well-positioned  to offer  its
clients,  including both  manufacturers  and retailers,  consumer  insights from
customized  research as well as an  understanding of dynamic new markets such as
entertainment, fast foods, financial services and telecommunications.

         In June  1998,  the  Company  acquired  BBI  Marketing  Services,  Inc.
("ACNielsen  BASES").  ACNielsen  BASES,  the global  leader in  simulated  test
marketing,  provides fast moving  consumer goods  marketers with sales estimates
and diagnostic analysis for their new business initiatives.  In addition, VANTIS
International   Research,  a  business  unit  of  ACNielsen  BASES,  focuses  on
researching  new  business   initiatives  for  non-fast  moving  consumer  goods
marketers.  The addition of ACNielsen BASES enhanced the Company's  portfolio of
advanced modeling and analytical services.

         In 1998, the Company launched  Winning Brands,  a proprietary  research
product that helps  clients  manage and  leverage  their brand  equity.  Winning
Brands follows the successful  1997  introduction of Customer eQ, a product that
measures customer satisfaction and loyalty.

         In  addition  to services  at the  country  level and  ACNielsen  BASES
services, ACNielsen offers multi-country customized studies at both the regional
and global levels and has  specialist  offices in Hong Kong,  London,  New York,
Tokyo and Singapore to carry out  customized  research in Asia Pacific,  Western
Europe, North and South America, the Middle East and Africa.

Media Measurement Services

         The  information   produced  by  Media  Measurement  Services  includes
audience estimates for television, radio and print, plus advertising expenditure
measurement  and  customized  media  research.  Television and radio ratings and
readership data are used by program producers,  broadcasters,  publishers, media
planners, airtime buyers and others, on behalf of manufacturers/advertisers  and
media  owners,  to  determine  the best,  most  cost-efficient  way of  reaching
customers.

                                      3
<PAGE>
         ACNielsen's  television audience  measurement  services,  which operate
outside the United  States and Canada,  generally use  representative  panels of
households,  each with a meter attached to each television in the household. The
meters register viewership,  which can be matched with broadcast  information to
identify viewing of specific  programs.  In a few countries  written diaries are
used instead of, or in addition to, meters,  with viewers  writing the channels,
programs  and the times  watched.  With both meter and diary  panels,  aggregate
individual  and  household  viewing is projected to represent  national  viewing
habits.

         Outside of Latin America,  ACNielsen's  television audience measurement
services are operational in  approximately  18 countries,  primarily in the Asia
Pacific Region.

         In connection  with the  Distribution,  ACNielsen  entered into the TAM
Master  Agreement (the "TAM Master  Agreement")  with Cognizant  relating to the
conduct of the television  audience  measurement  business (the "TAM Business").
See "TAM  Master  Agreement"  below for  further  information  on the TAM Master
Agreement.

         ACNielsen's  advertising  expenditure  measurement services,  which are
marketed in 31 countries,  provide to customers,  primarily advertising agencies
and  manufacturers/advertisers,  verification  that  individual  commercials  or
commercial  campaigns ran as contracted,  report the costs of the manufacturers'
own and  competitors'  advertisements  and alert users to new and competitive ad
campaigns.

         Effective  January  1998,  the  Company  became  a  partner  in a joint
venture,  IBOPE Media  Information  and  transferred  its Latin  American  media
business to the joint venture.  The joint  venture,  operating in Latin America,
offers television audience measurement  services in ten markets,  provides radio
audience  measurement  services in two  countries  and  advertising  expenditure
measurement services in four countries.

Consumer Panel Services

         Consumer  Panel  Services  help   organizations   achieve   competitive
advantage by applying  consumer  insights  derived from the  ACNielsen  consumer
panel  database.  With a  comprehensive  portfolio  of tools for  reporting  and
analysis,  ACNielsen  measures the  multi-faceted  dynamics of consumer behavior
across all outlets including:  consumer demographics,  percentages of households
purchasing,  products and quantities purchased, frequency of purchases, shopping
trips and shopping expenditures,  price and promotion  sensitivity,  price paid,
and attitude and usage information.

         The   ACNielsen   Consumer   Panel,   called   Homescan,   consists  of
approximately 52,000 demographically balanced U.S. households that use hand-held
scanners  to record  every  bar-coded  item  purchased  and,  outside the United
States, comprises, more than 74,000 households in 17 countries that are included
in the ACNielsen consumer panel databases.

         ACNielsen  employs  multiple data collection  processes  throughout the
world. In the United States and several other countries  covering  approximately
90% of total panel  households  worldwide,  ACNielsen  installs in-home scanners
with which  panelists  scan  items at home as they  unpack  purchases  from each
shopping trip,  recording price,  promotions and quantity purchased,  as well as
the age and gender of the shopper and intended user.  Information detailing each
shopping trip is transmitted, via telephone lines, to ACNielsen.

         Consumer  panel  applications  can be used by  both  manufacturers  and
retailers to understand demographics and purchasing habits of consumers. As with
all information derived from the ACNielsen Consumer Panel, data capture activity
is from  all  outlet  types  including  grocery,  drug,  mass  merchandiser  and
warehouse  clubs.  Customers can choose from a wide variety of  applications  or
analyses, from syndicated to customized and basic to complex. ACNielsen offers a
full suite of syndicated  category management  applications.  These reports give
manufacturers  and  retailers  insights  into cross  outlet  shopping,  consumer
loyalty  and the value of  consumer  segments  such as the value of core  versus
occasional shoppers.

         ACNielsen also provides delivery tools that allow marketers to process,
chart and analyze ACNielsen Consumer Panel information quickly and easily. Among
these are CD-ROM  tools and  Panel*Fact  for Windows,  which enable  managers to
create customized  reports to meet their individual  analytic needs and to share
data and analyses with various members within an organization.

                                       4
<PAGE>
Relationship Among ACNielsen, D&B and Cognizant after the Distribution

         Prior to the  Distribution,  D&B,  Cognizant and ACNielsen entered into
certain  agreements  (the  "Spin   Agreements")   governing  their  relationship
subsequent to the Distribution and providing for the allocation of tax, employee
benefits and certain  other  liabilities  and  obligations  arising from periods
prior to the Distribution. The following description summarizes terms of certain
of  these  agreements,  but is  qualified  by  reference  to the  texts  of such
agreements  which  were  previously  filed  with  the  Securities  and  Exchange
Commission.

         In June 1998, D&B changed its name to R.H.  Donnelley  Corporation  and
spun off a company now named The Dun & Bradstreet  Corporation  ("New D&B"), and
Cognizant changed its name to Nielsen Media Research,  Inc. ("NMR") and spun off
a company named IMS Health Incorporated ("IMS Health"). As required by the terms
of the Distribution  Agreement referred to below, each of New D&B and IMS Health
has provided an  undertaking  to the Company to be jointly and severally  liable
with its former parent company for any liabilities of such former parent company
arising out of the Spin Agreements.

Distribution Agreement

         D&B,  Cognizant and  ACNielsen  entered into a  Distribution  Agreement
providing for, among other things,  certain corporate  transactions  required to
effect  the  Distribution  and  other  arrangements  among  D&B,  Cognizant  and
ACNielsen  subsequent  to the  Distribution.  In  particular,  the  Distribution
Agreement  defined  the  assets  and  liabilities  allocated  to and  assumed by
Cognizant  and those  allocated to and assumed by  ACNielsen.  The  Distribution
Agreement  also defined  what  constituted  the  "Cognizant  Business"  and what
constituted the "ACNielsen Business".  It also provided for, among other things,
assumptions of liabilities and cross indemnities designed to allocate generally,
effective  as  of  the  Distribution  Date,  financial  responsibility  for  the
liabilities  arising out of or in connection  with (i) the  Cognizant  Business,
including the IMS and Nielsen Media Research businesses,  to Cognizant, (ii) the
ACNielsen Business to ACNielsen and (iii) all other liabilities to D&B.

Indemnity and Joint Defense Agreement

         D&B,  Cognizant  and  ACNielsen  entered into the  Indemnity  and Joint
Defense  Agreement  pursuant  to which they  agreed (i) to certain  arrangements
allocating potential liabilities ("IRI Liabilities") that may arise out of or in
connection with the IRI Action, as defined below in "Item 3, Legal Proceedings",
and (ii) to conduct a joint  defense of such  action.  See  "Relationship  Among
ACNielsen,  D&B and  Cognizant  after the  Distribution"  above for  information
regarding name changes and certain  post-Distribution events affecting Cognizant
and D&B.

         The Indemnity and Joint Defense Agreement  provides that ACNielsen will
assume  exclusive  liability for IRI  Liabilities  up to a maximum  amount to be
determined  at the time  such  liabilities,  if any,  become  payable  (the "ACN
Maximum Amount") and that Cognizant and D&B will share liability equally for any
amounts in excess of the ACN  Maximum  Amount.  The ACN  Maximum  Amount will be
determined by an investment  banking firm as the maximum amount which  ACNielsen
is able to pay after giving effect to (i) any plan submitted by such  investment
bank which is  designed  to  maximize  the claims  paying  ability of  ACNielsen
without  impairing the investment  banking firm's ability to deliver a viability
opinion (but which will not require any action requiring stockholder  approval),
and (ii) payment of related fees and  expenses.  For these  purposes,  financial
viability means the ability of ACNielsen,  after giving effect to such plan, the
payment of related fees and expenses and the payment of the ACN Maximum  Amount,
to pay its debts as they become due and to finance  the current and  anticipated
operating and capital  requirements of its business,  as  reconstituted  by such
plan, for two years from the date any such plan is expected to be implemented.

         In addition,  ACNielsen  agreed to certain  restrictions on payments of
dividends and share repurchases  above specified  levels.  ACNielsen also agreed
not to engage in mergers, acquisitions or dispositions,  including joint venture
investments, if, after giving effect to any such transaction, ACNielsen would be
unable  to meet a  specified  fixed  charge  coverage  ratio,  and,  if any such
transaction  involves  aggregate  consideration  in excess of $50 million,  then
ACNielsen is also  required to receive and to cause to be delivered to Cognizant
and D&B an investment banker's fairness opinion.

         The  Indemnity  and Joint  Defense  Agreement  also sets forth  certain
provisions governing the defense of the IRI Action pursuant to which the parties
agree to be  represented  by the same counsel.  Legal  expenses are to be shared
equally by the three parties.

TAM Master Agreement

         Cognizant  (now called NMR) and  ACNielsen  entered into the TAM Master
Agreement  relating  to the  conduct  of  the  television  audience  measurement
business (the "TAM Business").

                                       5
<PAGE>
         Pursuant to the TAM Master  Agreement and certain  ancillary  trademark
and technology licensing agreements (together with the TAM Master Agreement, the
"TAM Agreement"), Cognizant or a newly established entity is required to license
to ACNielsen (i) a non-exclusive  right to use certain  trademarks in connection
with the TAM  Business  outside the United  States and Canada for five years and
(ii) a non-exclusive right to use specified technology in Australia, Ireland and
India in  connection  with the TAM Business for five years or such longer period
as is required to fulfill contractual  obligations  existing on the Distribution
Date.

         In  the  event  that  on or  prior  to  the  third  anniversary  of the
Distribution  Date  (November  1,  1999),  ACNielsen  determines  to sell all or
substantially  all of (i) its  assets  or the  assets  of the TAM  Business  (as
defined in the TAM Master Agreement), or (ii) its assets that generate more than
50% of the TAM Business, or ACNielsen takes action to be acquired or is acquired
by a third party, Cognizant will have the right to require ACNielsen to sell all
of  ACNielsen's  TAM  Business  to  Cognizant  at the  book  value  thereof  (as
calculated in accordance with the TAM Master  Agreement)  plus certain  transfer
costs.  In  addition,  in the event that prior to the third  anniversary  of the
Distribution Date,  ACNielsen determines to sell all or substantially all of its
TAM Business in a particular  country,  Cognizant will have the right to require
ACNielsen  to sell such  business  to  Cognizant  at the book value  thereof (as
calculated in accordance with the TAM Master  Agreement)  plus certain  transfer
costs.

Competition

         ACNielsen  has numerous  competitors  in its various  lines of business
throughout the world. Some are companies with diverse product and service lines;
others have more limited product and service  offerings.  Competition comes from
companies  specializing in marketing research; the in-house research departments
of  manufacturers  and  advertising  agencies;   retailers  selling  information
directly or through brokers;  information management and software companies; and
consulting and accounting firms.

         In Retail Measurement Services, ACNielsen's principal competitor in the
United  States is  Information  Resources,  Inc.  (IRI).  IRI is also  active in
Canada,  Europe and Latin America by itself and through joint  ventures with GFK
(Germany),  Taylor Nelson Sofres in Europe and other companies,  and is
expanding globally.

         In Customized  Research Services,  a significant  competitor is Kantar,
the marketing  research arm of WPP Group Plc.,  which operates  globally through
BMRB International, Millward Brown International and Research International.

         In Media Measurement Services,  significant  competitors include Taylor
Nelson Sofres, GFK, AGB Media Services, and Video Research (Japan).

         In Consumer Panel Services,  significant competitors include IRI in the
United  States,  and the  Europanel  consortium,  which  includes  Taylor Nelson
Sofres and GFK, operating in Europe. NPD also competes in this area.

         Principal   competitive  factors  include   innovation,   the  quality,
reliability and  comprehensiveness of analytical services and data,  flexibility
in  tailoring  services to client  needs,  price,  and  geographical  and market
coverage.

Foreign Operations

         As indicated above,  ACNielsen engages in a significant  portion of its
business  outside of the United  States,  with 73% of its revenues in 1998 being
generated through non-U.S.  sources.  ACNielsen's foreign operations are subject
to the usual risks  inherent in carrying on business  outside the United States,
including  fluctuations in relative currency values,  possible  nationalization,
expropriation, price controls or other restrictive government actions. ACNielsen
believes that the risk of  nationalization  or  expropriation is reduced because
its products are services and  information,  rather than products  which require
manufacturing facilities or the use of natural resources.
    
Intellectual Property

         ACNielsen owns and controls trade  secrets,  confidential  information,
trademarks,  trade names,  copyrights  and other  intellectual  property  rights
which,  in the aggregate,  are of material  importance to ACNielsen's  business.
Management of ACNielsen  believes that the  "ACNielsen"  name and related names,
marks and logos are of material  importance to ACNielsen.  ACNielsen is licensed
to use certain  technology  and other  intellectual  property  rights  owned and
controlled  by others,  and,  similarly,  other  companies  are  licensed to use
certain technology and other  intellectual  property rights owned and controlled
by ACNielsen.

         Pursuant to an  Intellectual  Property  Agreement  ("the IP Agreement")
among D&B, Cognizant (now called NMR) and ACNielsen,  entered into in connection
with  the  Distribution,  ACNielsen  has  exclusive  rights  to  the  use of the
"ACNielsen"  name worldwide;  however,  ACNielsen's  future use of the "Nielsen"
name  standing  alone is  prohibited  and,  as a part of a name  describing  new
products  and  services to be  offered,  is subject to certain  limitations.  In
addition,  the IP Agreement also provided for the establishment of a new entity,
jointly  owned  by  Cognizant  and  ACNielsen,  into  which  certain  trademarks
incorporating  or  relating  to the  "Nielsen"  name in various  countries  were
assigned.  This entity is obligated to license such trademarks on a royalty-free
basis to Cognizant or ACNielsen for use in a manner consistent with the terms of
the IP Agreement  and for purposes of  conducting  their  respective  businesses
after the  Distribution,  and is responsible for preserving the quality of those
trademarks and minimizing  any risk of possible  confusion.  Pursuant to the TAM
Agreement, Cognizant is required to grant ACNielsen a non-exclusive right to use
certain trademarks and technology, as described in "TAM Master Agreement" above.
ACNielsen  shall not be licensed to use any such  trademarks  or  technology  in
connection  with the  conduct of the TAM  Business  within the United  States or
Canada.

                                       6
<PAGE>
         The  technology  and other  intellectual  property  rights  licensed by
ACNielsen  are  important  to its  business,  although  management  of ACNielsen
believes that  ACNielsen's  business,  as a whole, is not dependent upon any one
intellectual property or group of such properties.

         The names of ACNielsen's  products and services  referred to herein are
registered or  unregistered  trademarks or service marks owned by or licensed to
ACNielsen or its subsidiaries.

Forward-Looking Statements

         Certain statements contained herein or incorporated herein by reference
are forward looking. These may be identified by the use of forward-looking words
or  phrases,  such as  "anticipate,"  "believe,"  "expect",  "could,"  "should,"
"planned," "estimated,"  "potential," "target",  "aim" and "goal," among others.
In  addition,  the  Company  may from  time to time  make  oral  forward-looking
statements.  In  connection  with the "safe  harbor"  provisions  of the Private
Securities  Litigation  Reform Act of 1995,  the  Company is hereby  identifying
important  factors that could cause  actual  results to differ  materially  from
those  contained  in  forward-looking  statements  made by or on  behalf  of the
Company.  Any  such  statement  is  qualified  by  reference  to  the  following
cautionary statement.

         Risks and  uncertainties  that may affect the operations,  performance,
development and results of the Company's business include:  (i) the availability
of  retail  sources  that are  willing  to sell  data to the  Company  at prices
acceptable  to the  Company;  (ii)  changes in general  economic or  competitive
conditions  which  impact  the  Company's  clients'  demand  for  the  Company's
services;   (iii)  significant  price  and  service   competition;   (iv)  rapid
technological  developments  in the  collection,  manipulation  and  delivery of
information;  (v) the Company's  ability to complete the  implementation  of its
Year 2000 and Euro plans on a timely basis;  (vi) the impact of foreign currency
rate fluctuations  since so much of the Company's earnings are generated abroad;
(vii)  the  degree  of  acceptance  of new  product  introductions;  (viii)  the
uncertainties  of litigation,  including the IRI Action;  as well as other risks
and  uncertainties  detailed from time to time in the Company's  Securities  and
Exchange Commission filings.

         The risks and uncertainties that may affect the Company's assessment of
Year 2000 issues and new European currency issues (which issues are described in
Management's  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations on pages 35 to 37 of the ACNielsen  Corporation  1998 Annual  Report)
include:  (i) the complexity  involved in  ascertaining  all situations in which
Year 2000 or new  European  currency  issues may arise;  (ii) the ability of the
Company to identify,  assess,  remediate,  test and  successfully  implement all
relevant  computer codes and embedded  technology within the scheduled dates for
completion  thereof;  (iii) the ability of the Company to obtain the services of
sufficient  personnel to execute the programs;  (iv)  possible  increases in the
cost of  personnel  required to execute the  programs;  (v) delays in  scheduled
deliveries  of new hardware and software  from third party  suppliers;  (vi) the
receipt and reliability of responses from suppliers,  clients and others to whom
compliance inquiries are being made; (vii) the ability of material third parties
to bring their affected systems into compliance;  and (viii)  unforeseen  events
which could delay timely implementation of the programs.

         Developments  in any of the areas  referred  to above  could  cause the
Company's  results to differ from  results that have been or may be projected by
or on behalf of the Company.  The Company  cautions that the  foregoing  list of
important factors is not exclusive. The Company does not undertake to update any
forward-looking  statement that may be made from time to time by or on behalf of
the Company.

Financial Information about Industry Segments

         As stated above, the Company operates in one industry  segment,  Market
Research, Information and Analysis Services.


Financial Information about Foreign and Domestic Operations and Export Sales

         The response to item 101(d) of Regulation S-K is incorporated herein by
reference to Note 16  Operations  by  Geographic  Segment on Page 54 of the 1998
Annual Report.

ITEM 2.  PROPERTIES

         ACNielsen's  real  properties  are  geographically  distributed to meet
sales and operating requirements  worldwide.  Most of ACNielsen's properties are
leased from third  parties,  including D&B and NMR.  ACNielsen's  properties are
generally  considered to be both suitable and adequate to meet current operating
requirements and virtually all space is being utilized.

                                      7
<PAGE>
ITEM 3. LEGAL PROCEEDINGS

         On July 29, 1996, Information Resources, Inc. ("IRI") filed a complaint
in the United  States  District  Court for the  Southern  District  of New York,
naming as defendants  D&B, A.C.  Nielsen  Company  (which is a subsidiary of the
Company, "ACNielsenCo") and I.M.S. International,  Inc., a subsidiary of 
Cognizant Corporation ("IMS") (the "IRI Action").

         The complaint alleges various violations of the United States antitrust
laws:  (1) a  violation  of  Section 1 of the  Sherman  Act  through  an alleged
practice of tying ACNielsenCo  services in different countries or of ACNielsenCo
and IMS  services;  (2) a  violation  of Section 1 of the  Sherman  Act  through
alleged  unreasonable  restraints of trade consisting of the contracts described
above and through alleged long-term  agreements with  multi-national  customers;
(3) a violation of Section 2 of the Sherman Act for monopolization and attempted
monopolization  of export markets  through  alleged  exclusive data  acquisition
agreements  with  retailers in foreign  countries,  the contracts with customers
described  above,  and other means;  (4) a violation of Section 2 of the Sherman
Act for attempted monopolization of the United States market through the alleged
exclusive data agreements  described above,  predatory pricing, and other means;
and (5) a violation of Section 2 of the Sherman Act for an alleged use of market
power in export  markets to gain an unfair  competitive  advantage in the United
States.

         The  complaint  also alleges two claims of tortious  interference  with
contract and tortious  interference  with a prospective  business  relationship.
These claims relate to the  acquisition  by defendants of Survey  Research Group
Limited  ("SRG").  IRI alleges that SRG violated an alleged  agreement  with IRI
when it agreed to be acquired by defendants and that  defendants  induced SRG to
breach that agreement.

         IRI's complaint alleges damages in excess of $350 million, which amount
IRI has asked to be trebled under the antitrust  laws.  IRI also seeks  punitive
damages in an unspecified amount.

         By notice of motion  dated  October 15, 1996,  defendants  moved for an
order  dismissing all claims in the complaint.  On May 6, 1997 the United States
District  Court for the  Southern  District of New York issued a decision on the
motion to dismiss.  The Court dismissed IRI's claim of attempted  monopolization
in the United States with leave to replead  within sixty days.  The Court denied
defendants' motion with respect to the remaining claims in the complaint.

         On  June  3,  1997,  defendants  filed  an  answer  and  counterclaims.
Defendants  denied all  material  allegations  of the  complaint.  In  addition,
ACNielsenCo asserted  counterclaims against IRI alleging that IRI has made false
and misleading statements about ACNielsenCo's services and commercial activities
and that such conduct constitutes a violation of Section 43(a) of the Lanham Act
and unfair competition. ACNielsenCo seeks injunctive relief and damages.

         On July 7, 1997, IRI filed an amended  complaint seeking to replead the
claim of attempted monopolization in the United States, which had been dismissed
by the Court in its May 6, 1997  decision.  By notice of motion dated August 18,
1997, defendants moved for an order dismissing the amended claim. On December 1,
1997, the Court denied defendants' motion. Discovery is currently ongoing.

        In connection  with the IRI Action,  D&B,  Cognizant  (the former parent
company of IMS) and the Company  entered  into an  Indemnity  and Joint  Defense
Agreement (the "Indemnity and Joint Defense  Agreement")  pursuant to which they
agreed  (i) to  certain  arrangements  allocating  potential  liabilities  ("IRI
Liabilities")  that may arise out of or in  connection  with the IRI  Action and
(ii) to conduct a joint defense of such action. In particular, the Indemnity and
Joint  Defense  Agreement  provides  that  the  Company  will  assume  exclusive
liability  for IRI  Liabilities  up to a maximum  amount to be calculated at the
time such liabilities,  if any, become payable (the "ACN Maximum  Amount"),  and
that Cognizant and D&B will share liability equally for any amounts in excess of
the ACN  Maximum  Amount.  The ACN  Maximum  Amount  will  be  determined  by an
investment  banking firm as the maximum  amount which the Company is able to pay
after giving effect to (i) any plan submitted by such  investment  bank which is
designed to maximize the claims paying ability of the Company without  impairing
the investment  banking firm's ability to deliver a viability opinion (but which
will not require any action requiring stockholder approval), and (ii) payment of
related fees and expenses.  For these  purposes,  financial  viability means the
ability of the Company, after giving effect to such plan, the payment of related
fees and expenses and the payment of the ACN Maximum Amount, to pay its debts as
they become due and to finance the current and anticipated operating and capital
requirements of its business,  as reconstituted by such plan, for two years from
the date any such plan is expected to be implemented.

        The  Indemnity  and  Joint  Defense   Agreement  also  imposes   certain
restrictions  on the payment of cash dividends and the ability of the Company to
purchase its stock.

                                      8
<PAGE>
        In June 1998 (i) D&B changed its name to R.H. Donnelley  Corporation and
spun off (the "D&B Spin") a company now named The Dun &  Bradstreet  Corporation
("New D&B"), and (ii) Cognizant changed its name to Nielsen Media Research, Inc.
("NMR")  and  spun  off  (the  "Cognizant  Spin") a  company  named  IMS  Health
Incorporated ("IMS Health").  Pursuant to the terms of a Distribution  Agreement
dated as of October 28, 1996 among the Company,  D&B and Cognizant,  New D&B was
required  as a  condition  to the D&B Spin,  and IMS  Health was  required  as a
condition to the  Cognizant  Spin, to undertake to the Company to be jointly and
severally  liable with its former parent  company for,  among other things,  the
obligations  of such former parent company under the Indemnity and Joint Defense
Agreement.  Each of New D&B and IMS Health did provide such undertaking to 
the Company.

        Management  of  ACNielsen  is unable to  predict  at this time the final
outcome of the IRI Action or whether its resolution could materially  affect the
Company's results of operations, cash flows or financial position.

        The  Company  and its  subsidiaries  are also  involved  in other  legal
proceedings and litigation  arising in the ordinary  course of business.  In the
opinion of management, the outcome of such current legal proceedings, claims and
litigation,  if decided adversely,  could have a material effect on quarterly or
annual  operating  results  or cash  flows  when  resolved  in a future  period.
However, in the opinion of management,  these matters will not materially affect
the Company's consolidated financial position.


ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

         Not applicable.


EXECUTIVE OFFICERS OF THE REGISTRANT

        Executive  officers are elected by the Board of Directors to hold office
at the pleasure of the Board of Directors.

        Listed below are the  executive  officers of the  registrant at March 1,
1999 and brief  summaries  of their  business  experience  during  the past five
years.

        Name                       Title                                     Age

Nicholas L. Trivisonno  Chairman and Chief Executive Officer*                 51
Robert J Lievense       President and Chief Operating Officer*                53
Michael P. Connors      Vice Chairman*                                        43
Earl H. Doppelt         Executive Vice President and General Counsel          45
Robert J. Chrenc        Executive Vice President and Chief Financial Officer  54

  *Member of the Board of Directors.

        Mr.  Trivisonno  was elected  Chairman  and Chief  Executive  Officer of
ACNielsen, effective May 1996; he served as Executive Vice President-Finance and
Chief Financial Officer of D&B (business information),  effective September 1995
through  November 1, 1996.  Prior  thereto,  he had served with GTE  Corporation
(telecommunications)  as Executive Vice  President-Strategic  Planning and Group
President,  effective  October  1993  through  July  1995.  He also  served as a
director of GTE Corporation from April 1995 through July 1995.

        Mr.  Lievense  was  elected  President  and Chief  Operating  Officer of
ACNielsen,  effective  May 1996;  he served as Executive  Vice  President of D&B
(business information), effective February 1995 through November 1, 1996. He had
been elected Senior Vice President of D&B, effective July 1993.

        Mr. Connors was elected Vice Chairman of ACNielsen,  effective May 1996;
he served as Senior Vice  President  of D&B  (business  information),  effective
April 1995 through November 1, 1996. Prior thereto, he had served as Senior Vice
President of American  Express  Travel  Related  Services  (travel and financial
services), effective September 1989 through March 1995.
                  
                                       9
<PAGE>
        Mr. Doppelt was elected  Executive Vice President and General Counsel of
ACNielsen,  effective  May 1996;  he had  served as Senior  Vice  President  and
General  Counsel of D&B,  effective  May 1994  through  November 1, 1996.  Prior
thereto,  he had served with Viacom Inc. (global  entertainment)  as Senior Vice
President and Deputy General  Counsel,  effective March 1994, and with Paramount
Communications Inc. (global entertainment),  as Senior Vice President and Deputy
General Counsel, effective September 1992.

        Mr. Chrenc was elected Executive Vice President and Chief Financial 
Officer of ACNielsen, effective June 1996.  Prior thereto he was a Partner of 
Arthur Andersen LLP (accounting), effective September 1979 through May 1996.


                                     PART II

ITEM 5.    MARKET FOR THE REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER
              MATTERS

         Information  in response to this Item is set forth under  Liquidity and
Capital  Resources,  Dividends  and Common Stock  Information  in  "Management's
Discussion  and Analysis of Financial  Condition and Results of  Operations"  on
Pages 35 and 37 of the 1998 Annual Report,  which  information  is  incorporated
herein by reference.

ITEM 6.    SELECTED FINANCIAL DATA

         Selected  financial data required by this Item are incorporated  herein
by  reference  to the  information  relating to the years 1994  through 1998 set
forth in "Summary Financial Data" on Page 56 of the 1998 Annual Report.

ITEM 7.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
              RESULTS OF OPERATIONS

         Information  in  response  to this Item is set  forth in  "Management's
Discussion  and Analysis of Financial  Condition and Results of  Operations"  on
Pages 33 to 37 of the 1998 Annual  Report,  which  information  is  incorporated
herein by reference.

ITEM 7A.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

         The  Company  uses  foreign   exchange   forward   contracts  to  hedge
significant known transactional  exposures. The Company conducts its business in
a wide variety of currencies.  Foreign exchange forward contracts are designated
for  established and committed  transactions  that are expected to occur in less
than one year.  Gains or  losses  on such  contracts  were not  material  to the
consolidated  financial  statements  for the years ended  December  31, 1998 and
1997. The Company does not utilize derivative financial  instruments for trading
or other speculative purposes.

         The  following  table  presents the notional  amounts,  fair values and
average exchange rates of the foreign exchange forward contracts  outstanding at
December 31, 1998 (in thousands of U.S. dollars):

                                     Notional         Fair     Average Foreign
                                      Amounts         Value     Exchange Rates
      Australian dollars             $    827      $    (9)         1.60650
      Japanese yen                        600           15        117.02920
      German deutsche marks               482          (22)         1.77120
      French francs                       397          (19)         5.94980
      Netherland guilders                 149           (9)         2.02250
      British pounds                      125            9          0.57153
      Spanish pesetas                      93           (6)       153.25000
      Italian lire                         92            1       1666.60000
      Other                               529          (23)
      --------------------------   ------------    ----------
      Total                          $  3,294      $   (63)
      --------------------------   ------------    ----------


ITEM 8.    FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

        See Index to Financial Statements and Schedule under Item 14 on Page 13.

                                       10
<PAGE>
ITEM 9.    CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND 
             FINANCIAL DISCLOSURE

           Not applicable.

                                    PART III

ITEM 10.   DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

         Information  in  response  to  this  Item  is  incorporated  herein  by
reference to the section entitled "Election of Directors" in the Company's proxy
statement   dated  March  12,  1999  filed  with  the  Securities  and  Exchange
Commission, except that "Executive Officers of the Registrant" on Page 9 of this
report  responds to Item 401(b) and (e) of  Regulation  S-K with  respect to the
Company's executive officers.

ITEM 11.   EXECUTIVE COMPENSATION

         Information  in  response  to  this  Item  is  incorporated  herein  by
reference  to the section  entitled  "Compensation  of  Executive  Officers  and
Directors" in the Company's  proxy statement dated March 12, 1999 filed with the
Securities and Exchange Commission.

ITEM 12.   SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

         Information  in  response  to  this  Item  is  incorporated  herein  by
reference to the section entitled "Security  Ownership of Management and Others"
in the Company's  proxy statement dated March 12, 1999 filed with the Securities
and Exchange Commission.

ITEM 13.   CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

         Not applicable.

                                     PART IV

ITEM 14.   EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K

              (a) List of documents filed as part of this report.
                      (1)  Financial Statements.
                           See Index to Financial Statements and Schedule on 
                             Page 13.
                      (2)  Financial Statement Schedule.
                           See Index to Financial Statements and Schedule on 
                             Page 13.
                      (3)  Other Financial Information.
                           Summary Financial Data.  See Index to Financial
                             Statements and Schedule on Page 13.
                      (4)  Exhibits.

                           See  Index  to  Exhibits  on  Pages  16 to 18,  which
                           indicates which Exhibits are management  contracts or
                           compensatory  plans required to be filed as Exhibits.
                           Only responsive information appearing on Pages 33
                           to 56 to Exhibit 13 is incorporated herein by 
                           reference, and no other information appearing in 
                           Exhibit 13 is or shall be deemed to be filed as part
                           of this Form 10-K.

              (b) Reports on Form 8-K.
                      None.

                                       11
<PAGE>


SIGNATURES

Pursuant to the  requirements of Section 13 or 15(d) 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.

                                                  ACNIELSEN CORPORATION
                                                       (Registrant)

                                    By:            /s/ROBERT J. CHRENC
                                        ---------------------------------------
                                                     Robert J. Chrenc
                                           (Executive Vice President and Chief
                                                    Financial Officer)


Date: March 25, 1999

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this  report has been  signed  below by the  following  persons on behalf of the
registrant and in the capacities and on the date indicated.


       /s/NICHOLAS L. TRIVISONNO                     KAREN L. HENDRICKS*
- - ----------------------------------------      ---------------------------------
         Nicholas L. Trivisonno                 (Karen L. Hendricks, Director)
  (Chairman, Chief Executive Officer
             and Director)
     (Principal Executive Officer)

          /s/ROBERT J. CHRENC                       ROBERT M. HENDRICKSON*
- - ----------------------------------------      ---------------------------------
           Robert J. Chrenc                   (Robert M. Hendrickson, Director)
 (Executive Vice President and Chief
         Financial Office)
(Principal Financial and Accounting Officer)

        /s/MICHAEL S. GELTZEILER                     ROBERT HOLLAND, JR.*
- - ----------------------------------------      ---------------------------------
         Michael S. Geltzeiler                 (Robert Holland, Jr., Director)
 (Senior Vice President and Controller)

            ROBERT H. BEEBY*                         ROBERT J LIEVENSE*
- - ----------------------------------------      ---------------------------------
      (Robert H. Beeby, Director)               (Robert J Lievense, Director)

           MICHAEL P. CONNORS*                         JOHN R. MEYER*
- - ----------------------------------------      ---------------------------------
     (Michael P. Connors, Director)               (John R. Meyer, Director)

           DONALD W. GRIFFIN*                        BRIAN B. PEMBERTON*
- - ----------------------------------------      ---------------------------------
     (Donald W. Griffin, Director)              (Brian B. Pemberton, Director)

             THOMAS C. HAYS*                         ROBERT N. THURSTON*
- - ----------------------------------------      ---------------------------------
       (Thomas C. Hays, Director)               (Robert N. Thurston, Director)


*By:          /s/Ellenore O'Hanrahan
              --------------------------------------------------
              (Ellenore O'Hanrahan, attorney-in-fact)


Date: March 25, 1999


                                       12
<PAGE>


                   INDEX TO FINANCIAL STATEMENTS AND SCHEDULE

FINANCIAL STATEMENTS:

         The Company's consolidated financial statements,  the notes thereto and
the  related  report  thereon  of  Arthur  Andersen  LLP,   independent   public
accountants, for the year ended December 31, 1998 appearing on Pages 38 to 56 of
the 1998 Annual Report, are incorporated by reference into this Annual Report on
Form 10-K (see below).  The additional  financial data indicated below should be
read in conjunction with such consolidated financial statements.

                                                               Page
                                                 ------------------------------
                                                     10-K          1998 Annual
                                                                      Report
                                                 ------------     -------------
Report of Independent Public Accountants              F-6              38
Statement of Management Responsibility
  for Financial Statements                            F-6              38
As of December 31, 1998 and 1997:
  Consolidated Balance Sheets                         F-8              40
For the years ended December 31, 1998, 1997 and 1996:
  Consolidated Statements of Income                   F-7              39
  Consolidated Statements of Cash Flows               F-9              41
  Consolidated Statements of Shareholders' Equity     F-10             42
  Notes to Consolidated Financial Statements          F-11             43
Quarterly Financial Data (Unaudited) for the years
  ended December 31, 1998 and 1997                    F-23             55
Management's Discussion and Analysis of Financial
  Condition and Results of Operations                 F-1              33
Other financial information:
  Five-year selected financial data                   F-24             56


SCHEDULE:
  Report of Independent Public Accountants            14               --
  
  ACNielsen Corporation and Subsidiaries:

  II - Valuation and Qualifying Accounts for the years
          ended December 31, 1998, 1997 and 1996      15               --
    

         Schedules  other than the one listed  above are omitted as not required
or  inapplicable  or  because  the  required  information  is  provided  in  the
consolidated financial statements, including the notes thereto.







                                       13
<PAGE>
                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS
                         ON FINANCIAL STATEMENT SCHEDULE

To the Shareholders and Board of Directors of ACNielsen Corporation:

         We  have  audited  in  accordance  with  generally   accepted  auditing
standards, the 1998, 1997 and 1996 consolidated financial statements included in
ACNielsen  Corporation's  1998 Annual Report  incorporated  by reference in this
Form 10-K,  and have issued our report thereon dated February 1, 1999. Our audit
was made for the  purpose of forming an opinion on those  statements  taken as a
whole. The 1998, 1997 and 1996 schedule listed in the accompanying  index is the
responsibility  of the  Company's  management  and is presented  for purposes of
complying with the Securities and Exchange Commission's rules and is not part of
the basic financial statements. This schedule has been subjected to the auditing
procedures  applied in the audits of the basic financial  statements and, in our
opinion,  fairly states in all material  respects the financial data required to
be set forth therein in relation to the basic  financial  statements  taken as a
whole.




                                                 /s/ARTHUR ANDERSEN LLP
                                     


Stamford, Connecticut
February 1, 1999










                                       14
<PAGE>
<TABLE>

                     ACNIELSEN CORPORATION AND SUBSIDIARIES

                 SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
                for the years ended December 31, 1998, 1997, 1996
                                 (In thousands)
<CAPTION>
- - -----------------------------------------------------   ------------------    ---------------    ---------------    --------------

                        COL. A                               COL. B               COL. C             COL. D             COL. E
- - -----------------------------------------------------   ------------------    ---------------    ---------------    --------------
- - -----------------------------------------------------   ------------------    ---------------    ---------------    --------------

                                                             Balance            Additions                               Balance
                                                            Beginning           Charged to                              at End
                     Description                            of Period           Operations        Deductions(a)        of Period
                                                                                                       (b)
ALLOWANCE FOR DOUBTFUL ACCOUNTS:
<S>                                                          <C>                   <C>              <C>                 <C> 

     For the Year Ended December 31, 1998                    $ 12,114              $  4,140         $  2,364            $ 13,890
                                                             =========             =========        =========           =========

     For the Year Ended December 31, 1997                    $ 10,847              $  2,330         $  1,063            $ 12,114
                                                             =========             =========        =========           =========
     
     For the Year Ended December 31, 1996                    $ 17,289              $  3,853         $ 10,295            $ 10,847
                                                             =========             =========        =========           =========

<FN>
NOTE:
(a) Represents  primarily the charge-off of  uncollectible  accounts for which a
reserve was provided.  (b) Deductions in 1996 primarily  related to bad debts in
Europe, for which a reserve was provided in 1995.
</FN>
</TABLE>


<TABLE>
<CAPTION>

                                                             Balance             Additions                                Balance
                                                            Beginning            Charged to                               at End
                     Description                            of Period            Operations          Deductions          of Period
                  =================                        ===========          ============        ============        ===========
ACCRUALS FOR SPECIAL CHARGES:
<S>                                                         <C>                   <C>                 <C>                 <C>

     For the Year Ended December 31, 1998
       Postemployment Benefits/Workforce Reductions         $ 13,200              $      0            $ 10,097            $  3,103
       Contractual Obligations                                 8,769                     0               3,529               5,240
       Rationalize Product Lines                              18,300                     0              17,887                 413
       Facilities/Real Estate                                  5,300                     0               5,052                 248
                                                            =========             =========           =========           =========
                                                            $ 45,569              $      0            $ 36,565 (c)        $  9,004
                                                            =========             =========           =========           =========
     For the Year Ended December 31, 1997
       Postemployment Benefits/Workforce Reductions         $  8,563              $ 12,400            $  7,763            $ 13,200
       Contractual Obligations                                30,826                     0              22,057               8,769
       Asset Revaluations                                      3,580                     0               3,580                   0
       Rationalize Product Lines                                   0                18,300                   0              18,300
       Facilities/Real Estate                                      0                 5,300                   0               5,300
                                                            =========             =========           =========           =========
                                                            $ 42,969              $ 36,000            $ 33,400            $ 45,569
                                                            =========             =========           =========           =========
     For the Year Ended December 31, 1996
       Postemployment Benefits                              $ 14,300              $      0            $  5,737            $  8,563
       Contractual Obligations                                55,800                     0              24,974              30,826
       Asset Revaluations                                      3,580                     0                   0               3,580
                                                            =========             =========           =========           =========
                                                            $ 73,680              $      0            $ 30,711            $ 42,969
                                                            =========             =========           =========           =========
<FN>
Note:
        (c) Includes non-cash charges of $6,132 to rationalize product lines and
$1,130 for consolidation of facilities.
</FN>
</TABLE>

                                       15
<PAGE>

     INDEX TO EXHIBITS

     Exhibit Number
     Regulation S-K       Description

         3                Articles of Incorporation and By-laws.
             
                          (a)   Restated  Certificate of  Incorporation  of   *
                                the  Company   dated   October  7,  1996
                                (incorporated   herein  by   reference   to
                                Exhibit 3.1 to the  Company's  Registration
                                Statement on Form 10, Commission File No.
                                001-12277 (the "Form 10")).

                          (b)   Amended and Restated By-laws of the Company   *
                                (incorporated  herein  by  reference  to
                                Exhibit 3.2 to the Form 10).

         4                Instruments Defining the Rights of Security 
                          Holders, Including Indentures.

                          (a)   Rights  Agreement  dated as of October  17,   *
                                1996 between  ACNielsen Corporation  and
                                First  Chicago  Trust  Company  of New York
                                (incorporated   herein  by   reference   to
                                Exhibit 1 to the  Company's  Form 8-A filed
                                on October 18,  1996,  Commission  File No.
                                001-12277).

                          (b)   ACNielsen   Corporation  U.S.  $250,000,000   *
                                Credit  Agreement  dated as of April  15,
                                1998  (incorporated  herein by reference to
                                Exhibit  4(b)  to the  Company's  Quarterly
                                Report  on  Form  10-Q  for  the  quarterly
                                period ended June 30, 1998, Commission File
                                No. 001-12277).

         10               Material Contracts. (All of the following 
                          documents, except for items (a) through (f), are
                          management contracts or compensatory plans or
                          arrangements required to be filed pursuant to 
                          Item 14(c).)

                          (a)   Distribution Agreement dated as of October    *
                                26, 1996 among The Dun & Bradstreet 
                                Corporation, Cognizant Corporation and 
                                ACNielsen Corporation (incorporated herein
                                by reference to Exhibit 10(a) to the 1996
                                Form 10-K).

                          (b)   Tax Allocation Agreement dated as of          *
                                October 28, 1996 among The Dun & Bradstreet
                                Corporation, Cognizant Corporation and 
                                ACNielsen Corporation (incorporated herein
                                by reference to Exhibit 10(b) to the 1996
                                Form 10-K).

                          (c)   Employee  Benefits  Agreement  dated  as of   *
                                October 28, 1996 among The Dun & Bradstreet
                                Corporation, Cognizant Corporation and 
                                ACNielsen Corporation (incorporated herein
                                by reference to Exhibit 10(c) to the 1996 
                                Form 10-K).

+This exhibit constitutes a management contract, compensatory plan,
   or arrangement.
*Incorporated herein by reference to a previously filed document.

                                       16
<PAGE>

     Exhibit Number
     Regulation S-K       Description


                          (d)   Intellectual Property Agreement dated as of   *
                                October   28,   1996  among   The  Dun  &
                                Bradstreet      Corporation,      Cognizant
                                Corporation   and   ACNielsen   Corporation
                                (incorporated   herein  by   reference   to
                                Exhibit 10(d) to the 1996 Form 10-K).

                          (e)   TAM Master Agreement dated as of October      *
                                October 28, 1996 between Cognizant 
                                Corporation and ACNielsen Corporation
                                (incorporated herein by reference to
                                Exhibit 10(e) to the 1996 Form 10-K).

                          (f)   Indemnity and Joint Defense Agreement dated   *
                                as of October 28, 1996 among The Dun & 
                                Bradstreet Corporation, Cognizant 
                                Corporation and ACNielsen Corporation 
                                (incorporated herein by reference to 
                                Exhibit 10(f) to the 1996 Form 10-K).

                          (g)   1996  ACNielsen  Corporation   Non-Employee   +*
                                Directors'    Stock   Incentive      Plan
                                (incorporated   herein  by   reference   to
                                Exhibit  10(g) to the  Company's  Quarterly
                                Report  on  Form  10-Q  for  the  quarterly
                                period  ended  March 31,  1998,  Commission
                                File No. 001-12277).

                          (h)   1996  ACNielsen  Corporation   Non-Employee   +*
                                Directors'  Deferred Compensation  Plan
                                (incorporated   herein  by   reference   to
                                Exhibit 10(h) to the 1996 Form 10-K).

                          (i)   1996 ACNielsen  Corporation  Key Employees'   +*
                                Stock   Incentive  Plan  (incorporated
                                herein by reference to Exhibit 10(i) to the
                                Company's Quarterly Report on Form 10-Q for
                                the quarterly  period ended March 31, 1998,
                                Commission File No. 001-12277).

                          (j)   1996 ACNielsen Corporation Replacement Plan   +*
                                for Certain  Employees Holding The Dun &
                                Bradstreet Corporation  Equity-Based Awards
                                (incorporated   herein  by   reference   to
                                Exhibit 10(j) to the 1996 Form 10-K).

                          (k)   1996 ACNielsen Corporation Senior Executive   +*
                                Incentive Plan (incorporated  herein by
                                reference to Exhibit 10(k) to the 1996 Form
                                10-K).
                          
                          (l)   1996   ACNielsen   Corporation   Management   +*
                                Incentive   Bonus  Plan    (incorporated
                                herein by reference to Exhibit 10(l) to the
                                1996 Form 10-K).

                          (m)   ACNielsen     Corporation      Supplemental   +*
                                Executive  Retirement Plan  (incorporated
                                herein by reference to Exhibit 10(m) to the
                                1996 Form 10-K).

                          (n)   ACNielsen  Corporation  Retirement  Benefit   +*
                                Excess  Plan  (incorporated   herein  by
                                reference to Exhibit 10(n) to the 1996 Form
                                10-K).

                          (o)   ACNielsen  Corporation Executive Transition   +*
                                Plan  (incorporated   herein by reference
                                to Exhibit 10(o) to the 1996 Form 10-K).

                          (p)   Form   of   Change-in-Control    Agreements   +*
                                (incorporated  herein  by  reference  to
                                Exhibit 10(p) to the 1996 Form 10-K).

                          (q)   Form of  Option  Agreement  under  the 1996   +*
                                ACNielsen  Corporation  Key  Employees'
                                Stock Incentive Plan  (incorporated  herein
                                by reference  to Exhibit  10(q) to the 1996
                                Form 10-K).

+This exhibit constitutes a management contract, compensatory plan, or 
     arrangement.
*Incorporated herein by reference to a previously filed document.

                                       17
<PAGE>
     Exhibit Number
     Regulation S-K       Description

                          (r)   Form of LSAR Agreement (incorporated herein   +*
                                by  reference  to  Exhibit  10(r) to the
                                1996 Form 10-K).

                          (s)   Form   of   Directors'   Restricted   Stock   +*
                                Agreement   (incorporated   herein  by
                                reference to Exhibit 10(s) to the 1996 Form
                                10-K).
                                      
                          (t)   Form of  Option  Agreement  under  the 1996   +
                                ACNielsen     Corporation      Non-Employee
                                Directors'   Stock  Incentive  Plan  (filed
                                herewith).

         11               Statement Re Computation of Per Share Earnings
                          (filed herewith).
         
                                Computation of Earnings Per Share of Common 
                                Stock on a Diluted Basis

         13               Annual Report to Security Holders (filed herewith).
     
                                1998 Annual Report (pages 33 to 56)

                                Only  responsive  information  appearing on
                                Pages   33   to  56   to   Exhibit   13  is
                                incorporated  herein by  reference,  and no
                                other  information  appearing in Exhibit 13
                                is or shall be  deemed  to be filed as part
                                of this Form 10-K.

         21               Subsidiaries of the Registrant (filed herewith).
           
                                List of Active Subsidiaries as of January 29, 
                                  1999

         23               Consents of Experts and Counsel (filed herewith).
             
                                Consent of Arthur Andersen LLP

         24               Power of Attorney (filed herewith).
           
                                Powers of Attorney dated February 18, 1999

         27               Financial Data Schedule (filed herewith).
         
         99               Other Exhibits
                          (a)   Letter  of  Undertaking  dated  June  29,      *
                                1998 from the New Dun & Bradstreet 
                                Corporation to Cognizant Corporation and 
                                ACNielsen Corporation(incorporated herein 
                                by reference to Exhibit 99(a) to the 
                                Company's Quarterly Report on Form 10-Q 
                                for the quarterly period ended June 30,
                                1998, Commission File No. 001-12277).

                          (b)   Letter of  Undertaking  dated June 29, 1998    *
                                from IMS Health  Incorporated  to The Dun &
                                Bradstreet    Corporation   and   ACNielsen
                                Corporation    (incorporated    herein   by
                                reference to Exhibit 99(b) to the Company's
                                Quarterly  Report  on  Form  10-Q  for  the
                                quarterly   period  ended  June  30,  1998,
                                Commission File No. 001-12277).


+This exhibit constitutes a management contract, compensatory plan, or
    arrangement.
*Incorporated herein by reference to a previously filed document.

                                       18
<PAGE>

                                                                   EXHIBIT 10(t)


                      NONQUALIFIED STOCK OPTION AGREEMENT
                      UNDER THE 1996 ACNIELSEN CORPORATION
                  NON-EMPLOYEE DIRECTORS' STOCK INCENTIVE PLAN


This nonqualified  stock option agreement (the "Award  Agreement")  confirms the
nonqualified stock option award (the "Award") made as of  ______________,  under
the 1996 ACNielsen Corporation Non-Employee Directors' Stock Incentive Plan (the
"Plan") to

                     [Name of Director] (the "Participant")

of  nonqualified  stock options  ("Options") to purchase the number of shares of
common  stock,  par  value  $0.01  per  share,  of  ACNielsen  Corporation  (the
"Company"),  prior to the  expiration  date(s)  and at the Option  price(s)  per
share, all as set forth below.

The Options are not intended to be incentive stock options within the meaning of
Section 422 of the Internal Revenue Code of 1986, as amended (the "Code"). These
Options may be exercised in whole or in part, from time to time, on or after the
date(s)  indicated  below with  respect to (i) those  number of shares set forth
opposite such date(s),  plus (ii) those number of shares as to which the Options
could have been exercised earlier but were not so exercised.


     Price             Vesting          Number of            Expiration
   Per Share            Date             Shares                 Date
  -----------         ---------        -----------          ------------




Notwithstanding  anything  to the  contrary  in this Award  Agreement,  upon the
acquisition  of 80% or more of all  outstanding  shares of Company  common stock
pursuant  to any tender or  exchange  offer for shares of Company  common  stock
(other  than one made by the  Company),  whether  the  Company  does or does not
support  the  offer,   then  all  unvested   Options  will  become   immediately
exercisable.  A tender or exchange  offer filed with the Securities and Exchange
Commission on Form 14D-1 (or successor  form) will be treated  conclusively as a
tender or exchange offer for purposes of this Agreement.


The  Options are issued in  accordance  with and are subject to the terms of the
Plan, which Plan is incorporated  herein by reference,  and are exercisable only
in accordance with the terms of this Award Agreement and the Plan. In accordance
with the terms of the Plan,  except as waived by the  Compensation  Committee of
the Board of  Directors  of the  Company,  these  Options  are not  transferable
otherwise  than  by  will  or the  laws  of  descent  and  distribution  and are
exercisable during the lifetime of the Participant only by the Participant.


IN WITNESS WHEREOF,  ACNielsen Corporation has caused this Award Agreement to be
executed in duplicate by its officer thereunto duly authorized.


                                         ACNIELSEN CORPORATION




                                         By__________________________

                                           Name:
                                          Title:


The undersigned hereby accepts and agrees to all the terms and provisions of the
foregoing Award Agreement and acknowledges receipt of a copy of the Plan.




- - --------------                                     ---------------------------
Date                                               Participant

                                                                    EXHIBIT 11

                         ACNIELSEN CORPORATION
            COMPUTATION OF EARNINGS PER SHARE OF COMMON STOCK
                         ON A DILUTED BASIS (a)

<TABLE>
<CAPTION>

Dollar Amounts in Millions, Except Per Share Data                                         1998           1997           1996
                                                                                          ----           ----           ----
                                                                                          (Average share data in thousands)
<S>                                                                                     <C>            <C>            <C>

Weighted-average number of common shares outstanding                                    57,236         57,139         56,712
Dilutive effect of shares issuable as of year-end under stock option plans               2,010            976            243
Adjustment of shares applicable to stock options and stock appreciation rights
   exercised during the year                                                               588            254             27
                                                                                 ============== ============== ==============
Weighted average number of shares on a diluted basis                                    59,834         58,369         56,982
                                                                                 ============== ============== ==============

                                                                                 ============== ============== ==============
Net Income                                                                               $57.2          $35.9          $15.8
                                                                                 ============== ============== ==============

                                                                                 ============== ============== ==============
Earnings per share of common stock on a diluted basis                                     $.96           $.62           $.28
                                                                                 ============== ============== ==============

<FN>
(a) All periods prior to November 1, 1996 reflect the adjusted  share and option
activity of The Dun and Bradstreet  Corporation.  Options to purchase  1,309,000
shares  of common  stock at share  prices  ranging  from  $26.19  to $27.75  and
1,864,788  shares of common  stock at prices  ranging  from $16.08 to $17.05 per
share were outstanding at the end of the years 1998 and 1996, respectively,  but
were not  included  in the  computation  of diluted  EPS  because  the  options'
exercise price was greater than the average market price of the common shares.
</FN>
</TABLE>


                                                                      EXHIBIT 13

ACNIELSEN CORPORATION

MANAGEMENT'S DISCUSSION AND ANALYSIS OF
FINANCIAL CONDITION AND RESULTS OF OPERATIONS
(Dollar amounts in thousands)

Year-ended December 31, 1998 
Compared with Year-ended December 31, 1997

     ACNielsen Corporation ("ACNielsen" or "the Company") reported net income of
$57,209, an increase of 59.4% from net income of $35,897 reported in 1997.
Diluted earnings per share in 1998 were $.96, up 54.8% from $.62 in 1997. Net
income includes an after-tax expense of $9,228 or $.15 per share for Year 2000
system modifications and a negative after-tax impact of $8,091 or $.14 per share
resulting from foreign currency translation.

     Revenue increased 2.4% in 1998 to $1,425,396 from $1,391,587 in 1997,
reflecting a negative $90,192 impact from translating foreign currencies to the
U.S. dollar. In local currency, revenue advanced 8.9%. Total Americas revenue
increased 12.6% to $578,770 from $514,015, after a negative $15,972 impact from
foreign currency translation. In the United States, excluding the impact of the
acquisition of ACNielsen BASES and ACNielsen EDI, revenue grew 10.5%. Growth in
U.S. revenue was driven by continued strong sales of account-level services,
consumer panel services and new clients. Including results of the acquired
businesses, U.S. revenue grew 25.9% to $390,374 from $310,037. Revenue for the
Europe, Middle East and Africa ("EMEA") region increased 1.8%, to $589,620 from
$579,050, reflecting the negative $20,326 impact of foreign currency
translation. In local currency, the region achieved a 5.3% gain in revenue.
Asia Pacific's revenue declined 13.9%, to $257,006 from $298,522, reflecting
$53,894 in negative foreign currency translation impact and the difficult
economic climate. However, local-currency revenue increased 4.1%, despite
economic turmoil in a number of countries in the region.

     ACNielsen reported operating income in 1998 of $91,631 compared with
operating income of $24,756 in 1997. Operating income in 1997 included a special
pre-tax charge of $36,000. Excluding the special charge in 1997, operating
income increased 50.8% to $91,631 from $60,756. Operating income in 1998
includes $15,911 of incremental Year 2000 costs.

     The Company reported operating costs of $703,303 in 1998, a 2.6% decrease
from $722,035 in 1997. Expense growth was held down by the impact of the strong
U.S. dollar and productivity improvements, and the absence of costs from the
Company's Latin America media business, partially offset by the inclusion in
1998 of expenses of acquired companies.

     Selling and administrative expenses of $528,673 increased 2.5% from
$515,938 reported in 1997, reflecting the favorable impact of currency
translation. Excluding the impact of foreign currency translation and
acquisitions, selling and administrative expenses increased about 5%.

     ACNielsen reported other income-net of $6,985 compared with other
income-net of $43,788 in 1997. Other income-net in 1997 included a $39,039
pre-tax gain from the sale of investments. (See Note 4 to the Consolidated
Financial Statements.) Excluding this gain, other income-net increased $2,236,
reflecting lower interest rates on borrowings, and interest income earned from
notes receivable from IBOPE Media Information ("IBOPE"). The notes were partial
consideration for the business assets that were transferred to IBOPE in the
first quarter of 1998.

     The following discusses results on a geographic basis and excludes the 1997
special charge, as follows: $2,200 in Canada/Latin America, $4,000 in EMEA and
$29,800 in Asia Pacific, including $22,300 for ACNielsen Japan.

     Total Americas revenue increased 12.6% in 1998 to $578,770 from $514,015 in
1997, driven by continued robust growth in the United States. In local currency,
the region's revenue increased 15.7%. Operating income for the Americas region
increased 63.9% to $70,838 from $43,233 as the United States more than doubled
its operating income and Canada and Latin America delivered strong improvements.
Revenue in the United States increased 25.9% reflecting the acquisition of
ACNielsen BASES (acquired in June 1998) and ACNielsen EDI (acquired in December
1997), strong demand for account-level information; growth in consumer panels,
particularly from new syndicated services; and the addition of new clients. In
the United States, operating income more than doubled, to $39,041 from $19,510,
driven by strong revenue growth and income from acquisitions. Excluding the
results of acquisitions, operating income for the United States increased 74.6%
to $34,064. In Canada and Latin America, revenue declined 7.6%, due to the
absence of revenue from the Company's Latin America media business, which was
transferred to the IBOPE joint venture during the first quarter of 1998, and a
$15,972 negative impact from foreign currency translation. Local currency
revenue was up 0.2%, as higher retail measurement sales in Canada, Colombia,
Mexico and Brazil offset the absence of the media revenue. Despite a negative
currency translation impact of $4,339, operating income grew 34.0%, to $31,797
from $23,723, benefiting from continued operational and cost efficiencies,
income from customized research studies for the Mexican government, and the
elimination of losses from the transferred media business. This strong increase
resulted in an operating margin of 16.9%.

     EMEA's revenue was up 1.8% to $589,620 from $579,050 in 1997, after
absorbing a negative $20,326 foreign currency translation impact. Excluding the
impact of the strong U.S. dollar, EMEA revenue increased 5.3%, driven by 37.5%
growth in the emerging markets of Eastern Europe, along with higher revenue in
the United Kingdom, France, South Africa, Turkey and Finland, and the addition
of revenue from ACNielsen EDI. Operating income of $29,158 was 37.6% higher than
operating income for 1997, including a negative $1,013 impact from foreign
currency translation.

     Asia Pacific's revenue, including ACNielsen Japan, decreased 13.9% to
$257,006 from $298,522 in 1997, but despite economic turmoil in a number of
countries, local currency revenue grew 4.1%. Local currency revenue growth in
the region was attributable to China and the Philippines, new revenue from
India, higher sales of retail and media measurement services in the Pacific
sub-region, and customized research services in Japan. The region reported
operating income of $7,546, compared with an operating loss of $3,669 in 1997.
The substantial improvement was attributed to the performance of ACNielsen
Japan, which nearly broke even after reporting a $10,598 operating loss in 1997;
improved region-wide operating efficiency and productivity; higher margins in
customized research; and the introduction of proprietary products. Local
currency operating income increased by $19,788, before a negative impact of
$8,573 from foreign currency translation.


                                      F-1
<PAGE>


Year-ended December 31, 1997

Compared with Year-ended December 31, 1996

     ACNielsen reported net income of $35,897 in 1997, more than double net
income of $15,844 reported in 1996. Diluted earnings per share in 1997 were
$.62, up 121% from $.28 in 1996.

     Revenue increased 2.4% in 1997 to $1,391,587 from $1,358,644 in 1996,
reflecting the negative impact of a strong U.S. dollar. Driven by growth in all
regions, revenue advanced 8.5% in local currency. Total Americas revenue
increased 8.9% to $514,015 from $472,038. Excluding the impact of currency
translation, revenue in the region grew 10.5%. In the United States, revenue
grew 8.2% to $310,037, on strong results in retail measurement services and
consumer panel services. Revenue for the EMEA region declined 3.1%, to $579,050,
as a result of the strong U.S. dollar. In local currency, the region achieved a
6.6% gain in revenue reflecting growth in substantially all countries in the
region. Asia Pacific's revenue, including ACNielsen Japan, increased 3.3%,
despite the devaluation of several Southeast Asia currencies against the U.S.
dollar, and grew 9.2% in local currency.

     Results for 1997 included a special pre-tax charge of $36,000 ($28,200
after-tax) and a pre-tax gain on sale of investments of $39,039 ($28,200
after-tax). The charge primarily reflected the costs to reduce workforce levels,
primarily in Japan, as well as costs to consolidate facilities and rationalize
certain product lines in Japan and other Asia Pacific markets. It also included
costs to revalue certain assets in EMEA, Latin America and Asia Pacific. The
plans were designed to achieve long-term productivity improvements, rationalize
the Company's product lines and reduce costs in these regions. (See Notes 3 and
4 to the Consolidated Financial Statements.)

     ACNielsen reported operating income in 1997 of $24,756 compared with
operating income of $28,155 in 1996. Excluding the special charge, operating
income increased 115.8% to $60,756 from $28,155, reflecting the substantial
increase in U.S. operating income and improved results in Japan.

     The Company reported operating costs of $722,035 in 1997, a slight increase
from $721,109 in 1996. Expense growth was held down by productivity improvements
and the impact of the strong U.S. dollar, offset by the inclusion in 1997 of
expenses of acquired companies.

     Selling and administrative expenses of $515,938 were essentially flat, with
$516,206 reported in 1996, reflecting the favorable impact of currency
translation. Excluding the impact of foreign currency translation, selling and
administrative expenses increased about 5.1%.

     ACNielsen reported other income-net of $43,788 compared with other
income-net of $2,339 in 1996. Other income-net included a $39,039 pre-tax gain
from the sale of investments. (See Note 4 to the Consolidated Financial
Statements.) Excluding this gain, other income-net increased $2,410, reflecting
lower interest rates on a lower level of borrowings.

     The following discusses results on a geographic basis and excludes the 1997
special charge, as follows: $2,200 in Canada/Latin America, $4,000 in EMEA, and
$29,800 in Asia Pacific, including $22,300 for ACNielsen Japan.

     Total Americas revenue increased 8.9% in 1997 to $514,015 from $472,038 in
1996, and operating income increased 149.9% to $43,233 from $17,298. In the
U.S., increased sales of account-level information and consumer panel services
drove an 8.2% increase in revenue. The higher revenue, coupled with improved
operating efficiency, produced $19,510 of operating income, compared with an
operating loss of $4,912 in 1996. In Canada/Latin America, revenue increased
10.0% to $203,978 from $185,516, reflecting increased sales of retail
measurement and consumer panel services in Canada and strong retail measurement
growth in Brazil, Mexico and Colombia. Operating income increased 6.8% to
$23,723 from $22,210, despite a negative $1,735 impact from foreign currency
translation.

     EMEA's revenue was down slightly to $579,050 in 1997 from $597,669 in 1996,
after absorbing a negative $58,124 currency translation impact. Excluding the
impact of the strong U.S. dollar, EMEA revenue increased 6.6%, reflecting nearly
40% growth in Eastern Europe and the addition of new revenue from Turkey, Israel
and South Africa. Operating income was $21,192 in 1997, compared with $21,828 in
1996, reflecting the adverse impact of foreign currency translation. Excluding
the impact of currency translation, operating income in the region grew 33.9%,
driven by strong income growth in Eastern Europe, overall cost reductions, and
improved results in the United Kingdom and France.

     Asia Pacific's revenue, including ACNielsen Japan, increased 3.3% to
$298,522 in 1997, from $288,937 in 1996, but grew 9.2% in local currency,
reflecting continued strong demand for ACNielsen's market research services,
particularly in Taiwan and Korea, and from growth in the region's multi-country
business. The region's operating loss declined to $3,669 from a loss of $10,971
in 1996 reflecting the region's continued focus on client service, operating
efficiency and profitability, and improved results at ACNielsen Japan.

     Income Taxes - The Company's income tax provision was $41,407, $32,647 and
$14,650 in 1998, 1997, and 1996, respectively. Excluding the impact on the tax
provision of the special charge and gains on sale of investments in 1997, the
Company's effective tax rates were 42.0%, 45.2% and 48.0%, in 1998, 1997, and
1996, respectively. The decrease in the effective tax rate reflected the impact
of global tax planning strategies. In 1996, U.S. losses through the Distribution
Date were realized by D&B, and accordingly, the related tax benefit was
reflected by the Company through divisional equity. (See Note 8 to the
Consolidated Financial Statements.)

     New Accounting Pronouncements Adopted in 1998 - The Company has adopted
Statement of Financial Accounting Standards ("SFAS") No. 130, "Reporting
Comprehensive Income," which establishes standards for reporting and display of
comprehensive income and its components in the financial statements. Earlier
periods have been restated to conform with the standards set forth in SFAS No.
130. (See the Consolidated Statements of Shareholders' Equity.)

     In addition, the Company adopted SFAS No. 131, "Disclosures about Segments
of an Enterprise and Related Information." SFAS No. 131 establishes standards
for reporting certain information about each segment of the Company. SFAS No.
131 is effective for fiscal years beginning after December 31, 1997. (See Note
16 to the Consolidated Financial Statements.)

     The Company has adopted SFAS No. 132, "Employers' Disclosures about
Pensions and Other Postretirement Benefits." This statement revises employers'
disclosures about pension and other postretirement benefit plans. It does not
change measurement or recognition provisions for those plans. (See Note 6 to the
Consolidated Financial Statements.)

     New Accounting Pronouncements Not Yet Adopted - In April 1998, the American
Institute of Certified Public Accountants issued Statement of Position (SOP)
98-5, "Reporting on the Costs of Start-Up Activities." The SOP, which the
Company plans to adopt on January 1, 1999, requires that costs of start-up
activities be expensed as incurred. The Company currently capitalizes certain
one-time costs related to introducing new services and conducting business in
new geographic areas. Adoption of this SOP is expected to result in a one-time,
non-cash, after-tax charge of approximately $20,000 (or $.34 per diluted share),
which will be recorded as a cumulative effect of a change in accounting
principle. However, adoption of the new accounting policy is not expected to
have a material impact on the Company's future results of operations.

     In June 1998, the Financial Accounting Standards Board issued SFAS No. 133,
"Accounting for Derivative Instruments and Hedging Activities." The statement


                                      F-2
<PAGE>
establishes accounting and reporting standards requiring 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. The statement 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 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.
However, the Company expects to adopt the new statement effective January 1,
1999. Based on the Company's derivative positions at December 31, 1998, the
Company does not anticipate that the adoption of the new statement will have a
material effect on earnings or the financial position of the Company.

     Non-U.S. Operating and Monetary Assets - ACNielsen operates globally.
Nearly 73% and 80% of ACNielsen's revenue was generated from non-U.S. operations
during 1998 and 1997, respectively. During 1998, EMEA and Asia Pacific
operations (including Japan) contributed 41% and 18% of reported Company
revenue, respectively, while revenue from countries in Latin America comprised
less than 10% of consolidated revenue. Primarily as a result of these non-U.S.
operations, changes in the value of local currencies relative to the U.S. dollar
may increase the volatility of U.S. dollar operating results in the future. In
1998 and 1997, foreign currency translation decreased U.S. dollar revenue growth
by approximately 6.5% and 6.1%, respectively. Operating income growth in 1998
and 1997 was reduced by approximately $14,000 and $11,000, respectively.

     ACNielsen has entered into foreign exchange forward contracts to hedge
against significant known transactional exposures. (See Note 10 to the
Consolidated Financial Statements.)

     Non-U.S. monetary assets are maintained in currencies other than the U.S.
dollar, principally in Australia, Italy, Spain, Germany and the Netherlands.
Changes in the value of these currencies relative to the U.S. dollar are charged
or credited to shareholders' equity. In 1998, the economies of certain Eastern
European countries were considered highly inflationary, and the U.S. dollar was
designated as the functional currency; therefore, translation and transaction
adjustments related to these countries were charged or credited to other income
(expense)-net. (See Note 2 to the Consolidated Financial Statements.) The effect
of exchange rate changes decreased the U.S. dollar amount of cash and cash
equivalents by $5,393 in 1998 and $13,186 in 1997.

     Liquidity and Capital Resources - At December 31, 1998, cash and cash
equivalents totaled $100,533, a decrease of $105,193 from December 31, 1997, and
short-term debt totaled $49,032, an increase of $23,075 from December 31, 1997.
The decrease in cash at December 31, 1998 reflects $105,448 paid for the
acquisition of businesses, $29,515 paid for treasury stock repurchases, $29,303
paid related to special charges and $17,517 paid for postemployment benefits. In
1999, the Company expects cash outlays related to the 1997 special charge of
$3,764. In addition, the Board of Directors has authorized the Company to
repurchase its common stock up to the amount permitted by the Indemnity and
Joint Defense Agreement. (See Note 11 to the Consolidated Financial Statements.)

     Net cash provided by operating activities aggregated $123,859, $93,870 and
$119,220 in 1998, 1997 and 1996, respectively. The increase in cash provided by
operating activities in 1998 reflected increased cash from operations, a
reduction in payments related to special charges ($4,097) and lower cash paid
for income taxes ($9,370).

     Net cash used in investing activities totaled $223,052 for 1998 compared
with $56,071 and $69,145 in 1997 and 1996, respectively. The increase in cash
usage in 1998 of $166,981 reflected an increase of $75,264 paid for business
acquisitions, the absence of proceeds from sale of investments ($45,899), an
increase in spending for computer software ($19,846), and a higher level of
capital spending and project costs (included in other investing), partially to
support geographic expansion.

     Capital expenditures totaled $55,375, $48,427 and $65,503 in 1998, 1997 and
1996, respectively. The increase in capital expenditures in 1998 reflects the
relocation of several facilities in Asia Pacific and the expansion of television
audience measurement (TAM) and consumer panel services. The lower level of
capital expenditures in 1997 reflects the Company's active asset management
program.

     Net cash (used in) provided by financing activities totaled ($607),
($3,892) and $51,749 in 1998, 1997, and 1996, respectively. In 1996, transfers
from D&B of $46,210 included cash received in connection with the Distribution.

     During the first quarter of 1998, the Company became a partner in a joint
venture that provides media measurement services in Latin America. The joint
venture, IBOPE, offers TAM, radio audience measurement (RAM), and advertising
expenditure measurement services (AEM) in various Latin American markets. Under
the terms of the agreement, the Company received an 11% equity interest in the
joint venture and $12,772 of interest bearing notes in exchange for the
Company's Latin America TAM, RAM and AEM business assets and the assumption of
certain transition liabilities in a non-cash transaction. The Company is
accounting for its investment in the joint venture on the cost basis.

     The Company provides for its normal capital and operating expenditure needs
through internally generated funds, existing cash reserves, and bank credit
facilities. The Company maintains relationships with a worldwide network of
banks and has secured a line of credit sufficient to meet ACNielsen's short-term
cash requirements. (See Note 9 to the Consolidated Financial Statements.) Prior
to the Distribution, as a subsidiary of D&B, funding for the Company's U.S. and
many non-U.S. operations was provided by internally generated funds and
financing obtained through D&B. Management believes that the combination of cash
flows from operations and bank credit lines, as well as existing cash and cash
equivalents, are sufficient to support the Company's long-term cash
requirements.

Year 2000

     The Year 2000 problem concerns the inability of older computer systems to
properly recognize and process date-sensitive information beyond December 31,
1999. If not corrected, businesses and other entities relying on such computer
systems are at risk for possible miscalculations or systems failures that could
cause disruptions in their business operations.

     ACNielsen's business relies substantially on information technology systems
("IT Systems") and, to a lesser degree, on other systems that contain embedded
technology ("Non-IT Systems"). As a global leader in delivering market research,
information and analysis to the consumer products and services industries,
ACNielsen uses IT Systems and Non-IT Systems (collectively, "Technology
Systems") to gather data from data suppliers, analyze such data and deliver
information products to its clients. The Company also provides software to its
clients for use in connection with the delivery and analysis of ACNielsen data.
Technology Systems are also used by the Company for its own internal operations.
Accordingly, the Year 2000 issue could arise at many stages in the Company's
supply, processing, distribution and financial chains.

     The Company's State of Readiness - The Company is in the process of
implementing a Year 2000 readiness program with the goals of (i) having all of
its Technology Systems functioning properly with respect to Year 2000 before
January 1, 2000, and (ii) identifying and minimizing the other business risks
created by the Year 2000 issue. The Company currently believes that it will be
able to 


                                      F-3
<PAGE>

modify or replace all of its material Technology Systems in a timely manner and
with no significant disruptions to its operations. It also believes that its
Year 2000 readiness program should significantly reduce the adverse effects of
the Year 2000 issue for the Company. However, given the general uncertainties
inherent in the Year 2000 problem including, among other things, uncertainties
as to the Year 2000 readiness of material third-party suppliers and clients, it
is possible that the business and results of operations of the Company could be
materially adversely affected by an inability of the Company to conduct its
business in the ordinary course for a period of time after December 31, 1999.

     The Company's Year 2000 readiness program comprises eight principal phases,
these being (i) inventory, (ii) assessment, (iii) analysis and planning, (iv)
remediation, (v) testing, (vi) implementation, (vii) communication, and (viii)
contingency planning.

     The inventory phase comprises the development of a complete list of all
components of the Company's Technology Systems that are used in the collection,
processing and delivery of ACNielsen products and services or that are used in
the administration of its general business activities. The inventory phase is
substantially complete.

     The assessment phase comprises the evaluation of each item on the inventory
to determine if it is affected by the Year 2000 problem and, if it is, to
determine the most appropriate remediation approach. There are generally four
alternative approaches: (i) renovation; (ii) retirement; (iii) re-engineering;
or (iv) replacement. The assessment phase is also substantially complete and,
based on the results of the assessment, the Company determined that it would be
required to renovate, retire, re-engineer or replace significant portions of its
Technology Systems to make them Year 2000 compliant.

     The analysis and planning phase comprises the development of detailed plans
and timetables to accomplish the required remediation actions identified during
the assessment phase and the assignment of the internal or external resources
required to achieve compliance within the planned timeframes. This phase, which
includes the prioritization of systems for remediation activities, is
substantially complete.

     The remediation phase comprises the actual renovation, re-engineering,
retirement or replacement of affected systems. This phase is in progress and
proceeding based upon the original prioritization. Because of the number of
systems, countries and business segments involved and the varying importance of
different systems to the Company's business and results of operations, it is
difficult to quantify precisely the status of completion of this phase on an
overall Company basis. However, the Company believes that a majority of the work
required by this phase has been completed. Plans are for the remediation phase
to be substantially completed in the first quarter of 1999.

     The testing phase, which follows remediation, comprises the establishment
of Year 2000 test environments to do systems and user testing of individual
components, as well as complete end-to-end system testing, of the Company's
Technology Systems. In addition, it includes testing of interfacing systems used
by certain external suppliers and clients. This testing phase has begun for a
number of major systems throughout the world. Detailed Year 2000 plans call for
testing of the Company's Technology Systems to be completed during the first two
quarters of 1999. Testing of systems used by external suppliers and clients is
expected to continue to the Year 2000.

     The implementation phase, which follows testing, comprises the actual
implementation into the production environment of the compliant Technology
Systems. For products and services provided by the Company to clients, this
phase includes the implementation of the compliant versions of hardware,
software, and communications services into production in the client
environments. This phase is at various stages around the world but overall is in
the early stages of execution. Plans for each country and business segment have
been developed to allow for adequate time to achieve implementation prior to the
end of 1999.

     The communication phase comprises the implementation, coordination and
management of a communications process to communicate with clients and other
third parties whose Year 2000 state of readiness could significantly affect the
Company. Several levels and types of communications are involved, including
communications with clients, vendors and other service providers. Communications
with clients include communications regarding (i) the implementation of Year
2000 compliant versions of ACNielsen software used by the client, (ii) the state
of readiness of systems used by the client to receive or analyze ACNielsen data,
and (iii) the state of readiness of ACNielsen Technology Systems that are used
to compile and deliver data to the client. Vendor communications include
communications with (i) data suppliers to assess the Year 2000 status of the
systems they use to compile and deliver data to the Company, (ii) data
processors to assess the Year 2000 status of their processing and delivery
systems, and (iii) providers of third-party Technology Systems to establish
plans and timetables for the delivery of Year 2000 compliant versions of those
Technology Systems. Communications with other service providers include
communications with utilities, providers of facilities and environmental
systems, banks and other material service providers to assess their Year 2000
readiness insofar as it may affect the services they provide to the Company. The
communication phase with respect to supplier readiness is well underway in all
major countries. Communications efforts will continue to determine the state of
readiness of material third parties. During the fourth quarter of 1998, the
Company engaged in increased communications with clients to assess their
readiness as well as to plan implementation of ACNielsen Year 2000 compliant
versions of software and information products and the Company expects that such
communications will continue to the Year 2000.

     The final phase is the development of contingency and business continuation
plans for each organization and company location. In general, contingency
planning began during the fourth quarter of 1998 and the goal is to complete
such plans by the end of the first quarter of 1999. Although the Company
anticipates being able to develop contingency plans to deal with certain
situations, it is not yet possible to determine if contingency plans can be
developed and/or successfully implemented to deal with all material risks.

     Year 2000 Issues - As mentioned above, Year 2000 issues could arise at many
stages in the Company's supply, processing, distribution, and financial chains.

     With respect to data supplies, certain data used by the Company are
collected manually. However, significant amounts of data, including all retail
scanning data and the majority of television audience measurement and consumer
panel services data, are collected and transmitted electronically to ACNielsen
or to its third-party data processors. A Year 2000 risk, therefore, is that data
supplies could be disrupted due to Year 2000 problems with the Technology
Systems of data suppliers or of the Company.

     Once data has been collected, it is generally transmitted electronically to
ACNielsen or third-party data processors, then analyzed and processed and
finally transmitted electronically to the client. Accordingly, other Year 2000
risks include possible disruptions in data processing and transmission
capabilities. Also, certain clients use their own Technology Systems to analyze
ACNielsen data. Revenue, therefore, could be affected in the event that clients
are unable for some period of time to make normal use of the Company's products
and services.

     Additional Year 2000 risks include disruptions in the Company's own
internal operations, including financial and administrative systems, and in
critical services and utilities on which the Company relies, such as
electricity, telephone systems, and banking services.


                                      F-4
<PAGE>

     The most reasonably likely worst case scenarios that the Company has
identified include lost revenue and profits due to (i) non-receipt of, or
temporary delays in receiving, scanning data from data suppliers, (ii) delays in
deliveries to clients due to data supply, processing and/or transmission
problems, and (iii) non-compliance of clients' Technology Systems such that they
are unable to make normal use of the Company's products and services. The
Company does not currently anticipate that any such effects would be of a
long-term nature.

     Costs - Incremental Year 2000 compliance costs, primarily for maintenance
and system modifications, are presently estimated to be between $6,000 and
$9,000 for 1999. Such costs totaled $15,911 for the year ended December 31,
1998. Costs to acquire new software and computer systems in advance of their
normal replacement schedules are estimated to total between $10,000 and $15,000
over 1998 and 1999. At December 31, 1998, $5,407 had been incurred. The Company
does not separately track internal costs that are not related to incremental
Year 2000 activities. Such costs are principally for payroll.

Euro

     The introduction of a common currency across eleven European countries, the
"Euro," will have a significant impact on the European marketplace and on the
operations of a number of the Company's key clients and data suppliers. The
introduction is on a phased basis between January 1999 and January 2002, at
which date full notes and coinage in Euros will be issued and, no later than
July 1, 2002, will replace existing local currencies.

     As the Company has operations in all of the affected countries, it also
will be impacted by the Euro's introduction. The Company has established a
multi-functional, cross-border taskforce for the purpose of preparing the
Company for the introduction of the Euro. As part of its Euro readiness efforts,
the Company has assessed the capabilities of its existing internal processes and
software systems to deal with the introduction of the Euro. Changes to internal
processes relating to accounting, billing, production and delivery systems, and
supporting software changes, required to meet the initial introduction were
substantially completed in the fourth quarter of 1998. Additional modifications
will be made as the phase-in period progresses.

     The Company is communicating with its principal data and other suppliers,
including its banks, and with its principal clients to assess both their own
level of readiness and their requirements over the transitional period and
beyond. These communications will be ongoing as the phase-in period progresses.

     Preliminary estimates of the total incremental Euro compliance costs in
respect of internal and production systems are that they will not be material.
Implementation efforts will continue in line with the phased adoption of the
Euro over the transition period, and the related costs will be expensed as
incurred. The Company has not yet developed a contingency plan.

     If the Company failed to successfully address the issues raised by the
Euro's introduction, it could have a material adverse effect on the Company.
However, based on progress to date and the Company's Euro readiness program, the
Company currently does not anticipate any material adverse effects as a result
of the Euro's introduction.

     Forward-Looking Statements - Certain statements contained in this Annual
Report are forward looking. These may be identified by the use of
forward-looking words or phrases, such as "anticipate," "believe," "expect,"
"could," "should," "planned," "estimated," "potential," "target," "aim" and
"goal," among others. In connection with the "safe harbor" provisions of the
Private Securities Litigation Reform Act of 1995, the Company is hereby
identifying important factors that could cause actual results to differ
materially from those contained in forward-looking statements made by or on
behalf of the Company. Any such statement is qualified by reference to the
following cautionary statement.

     Risks and uncertainties that may affect the operations, performance,
development and results of the Company's business include: (i) the availability
of retail sources that are willing to sell data to the Company at prices
acceptable to the Company; (ii) changes in general economic or competitive
conditions which impact the Company's clients' demand for the Company's
services; (iii) significant price and service competition; (iv) rapid
technological developments in the collection, manipulation and delivery of
information; (v) the Company's ability to complete the implementation of its
Year 2000 and Euro plans on a timely basis; (vi) the impact of foreign exchange
rate fluctuations since so much of the Company's earnings are generated abroad;
(vii) the degree of acceptance of new product introductions; (viii) the
uncertainties of litigation, including the IRI lawsuit; as well as other risks
and uncertainties detailed from time to time in the Company's Securities and
Exchange Commission filings.

     The risks and uncertainties that may affect the Company's assessment of
Year 2000 issues and new European currency issues include: (i) the complexity
involved in ascertaining all situations in which Year 2000 or new European
currency issues may arise; (ii) the ability of the Company to identify, assess,
remediate, test and successfully implement all relevant computer codes and
embedded technology within the scheduled dates for completion thereof; (iii) the
ability of the Company to obtain the services of sufficient personnel to execute
the programs; (iv) possible increases in the cost of personnel required to
execute the programs; (v) delays in scheduled deliveries of new hardware and
software from third-party suppliers; (vi) the receipt and reliability of
responses from suppliers, clients and others to whom compliance inquiries are
being made; (vii) the ability of material third parties to bring their affected
systems into compliance; and (viii) unforeseen events which could delay timely
implementation of the programs.

     Developments in any of the areas referred to above could cause the
Company's results to differ from results that have been or may be projected by
or on behalf of the Company. The Company cautions that the foregoing list of
important factors is not exclusive. The Company does not undertake to update any
forward-looking statement that may be made from time to time by or on behalf of
the Company.

     Dividends - The payment and level of cash dividends by ACNielsen is subject
to the discretion of the Board of Directors of ACNielsen and to the restrictions
imposed by the Indemnity and Joint Defense Agreement. (See Note 14 to the
Consolidated Financial Statements.) ACNielsen has not paid cash dividends since
the Distribution and currently does not anticipate paying cash dividends in the
near future. Future dividend decisions will be based on, and affected by, a
number of factors, including the operating results and financial requirements of
ACNielsen, as well as restrictions under the Indemnity and Joint Defense
Agreement. There can be no assurance that any dividends will be declared or
paid.

     Common Stock Information - The Company's common stock (symbol ART) is
listed on the New York Stock Exchange. During the years ended December 31, 1998
and December 31, 1997, 34,481,200 and 45,113,800 shares were traded,
respectively. The number of shareholders of record at January 29, 1999 and
January 31, 1998 were 6,244 and 9,676, respectively. The following summarizes
the high and low prices per share as reported in the periods shown:

                               1998                     1997
                         High         Low         High          Low
- - -----------------------------------------------------------------------
First Quarter          $26 7/16     $20 1/2      $17 1/8      $14 5/8
Second Quarter         $29 1/16     $24 7/16     $19 5/8      $14 1/8
Third Quarter          $28 1/8      $19 11/16    $24 3/16     $19
Fourth Quarter         $28 15/16    $20 7/16     $24 5/8      $21 15/16



                                      F-5
<PAGE>

REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To the Board of Directors and Shareholders of
ACNielsen Corporation:

     We have audited the accompanying Consolidated Balance Sheets of ACNielsen
Corporation (a Delaware corporation) and its subsidiaries (the "Company") as of
December 31, 1998 and 1997, and the related Consolidated Statements of Income,
Cash Flows and Shareholders' Equity for each of the three years in the period
ended December 31, 1998. These financial statements are the responsibility of
the Company's management. Our responsibility is to express an opinion on these
financial statements based on our audits.

     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

     In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the financial position of the Company
as of December 31, 1998 and 1997, and the results of its operations and its cash
flows for each of the three years in the period ended December 31, 1998, in
conformity with generally accepted accounting principles.


                                        /s/ Arthur Andersen L.L.P.

Stamford, Connecticut
February 1, 1999


MANAGEMENT'S RESPONSIBILITY FOR FINANCIAL STATEMENTS

     Management is responsible for the preparation, integrity and objectivity of
the consolidated financial statements and other financial information presented
in this report. The accompanying consolidated financial statements were prepared
in accordance with generally accepted accounting principles, applying certain
estimates and judgments as required.

     ACNielsen's internal controls are designed to provide reasonable assurance
as to the integrity and reliability of the financial statements and to
adequately safeguard, verify and maintain accountability of assets. Such
controls are based on established written policies and procedures, are
implemented by trained, skilled personnel with an appropriate segregation of
duties and are monitored through a comprehensive internal audit program. These
policies and procedures prescribe that the Company and all its employees are to
maintain the highest ethical standards and that its business practices
throughout the world are to be conducted in a manner which is above reproach.

     Arthur Andersen LLP, independent auditors, are retained to audit
ACNielsen's financial statements. Their accompanying report is based on audits
conducted in accordance with generally accepted auditing standards, which
include the consideration of the Company's internal controls to establish a
basis for reliance thereon in determining the nature, timing and extent of audit
tests to be applied.

     The Board of Directors exercises its responsibility for these financial
statements through its Audit and Finance Committee, which consists entirely of
independent non-management Board members. The Audit and Finance Committee meets
periodically with the independent auditors and the internal auditors, both
privately and with management present, to review accounting, auditing, internal
control and financial reporting matters.



/s/Nicholas L. Trivisonno

Nicholas L. Trivisonno
Chairman and Chief Executive Officer



/s/Robert J. Chrenc

Robert J. Chrenc
Executive Vice President and Chief Financial Officer


                                      F-6
<PAGE>


ACNIELSEN CORPORATION

CONSOLIDATED STATEMENTS OF INCOME

<TABLE>
<CAPTION>
                                                              Years Ended December 31,
                                                    -----------------------------------------
(Amounts in thousands, except per share data)            1998           1997           1996
=============================================================================================
<S>                                                 <C>            <C>            <C>        
Operating Revenue                                   $ 1,425,396    $ 1,391,587    $ 1,358,644
- - ---------------------------------------------------------------------------------------------
Costs and Expenses:
   Operating Costs                                      703,303        722,035        721,109
   Selling and Administrative Expenses                  528,673        515,938        516,206
   Depreciation and Amortization                        85,878         92,858         93,174
   Year 2000 Expenses                                    15,911             --             --
   Special Charge                                            --         36,000             --
- - ---------------------------------------------------------------------------------------------
Total Costs and Expenses                              1,333,765      1,366,831      1,330,489
- - ---------------------------------------------------------------------------------------------
Operating Income                                         91,631         24,756         28,155
- - ---------------------------------------------------------------------------------------------
Interest Income                                           9,695          8,431          8,357
Interest Expense                                         (1,935)        (3,180)        (5,209)
Gain on Sale of Investments                                  --         39,039             --
Other Expense-Net                                          (775)          (502)          (809)
- - ---------------------------------------------------------------------------------------------
Other Income-Net                                          6,985         43,788          2,339
- - ---------------------------------------------------------------------------------------------
Income Before Provision for Income Taxes                 98,616         68,544         30,494
Provision for Income Taxes                               41,407         32,647         14,650
- - ---------------------------------------------------------------------------------------------
Net Income                                          $    57,209    $    35,897    $    15,844
=============================================================================================
Actual and Pro Forma Earnings
   Per Share of Common Stock:
      Basic                                         $      1.00    $       .63    $       .28
      Diluted                                       $       .96    $       .62    $       .28
- - ---------------------------------------------------------------------------------------------
Actual and Pro Forma
   Weighted-Average Number of Shares Outstanding:
      Basic                                              57,236         57,139         56,712
      Diluted                                            59,834         58,369         56,982
=============================================================================================
</TABLE>

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


                                      F-7
<PAGE>


ACNIELSEN CORPORATION

CONSOLIDATED BALANCE SHEETS

<TABLE>
<CAPTION>
                                                                                                                 December 31,
                                                                                                      -----------------------------
(Dollar amounts in thousands)                                                                               1998             1997
===================================================================================================================================
<S>                                                                                                   <C>               <C>        
Assets
Current Assets
Cash and Cash Equivalents                                                                             $   100,533       $   205,726
Accounts Receivable-Net                                                                                   279,708           260,821
Other Current Assets                                                                                       56,527            38,423
- - -----------------------------------------------------------------------------------------------------------------------------------
   Total Current Assets                                                                                   436,768           504,970
- - -----------------------------------------------------------------------------------------------------------------------------------
Notes Receivable and Other Investments                                                                     28,230            10,281
- - -----------------------------------------------------------------------------------------------------------------------------------
Property, Plant and Equipment-Net                                                                         157,664           165,660
- - -----------------------------------------------------------------------------------------------------------------------------------
Other Assets-Net
Prepaid Pension                                                                                            62,152            57,425
Computer Software                                                                                          42,588            25,288
Intangibles and Other Assets                                                                               69,889            55,001
Goodwill                                                                                                  328,326           220,483
- - -----------------------------------------------------------------------------------------------------------------------------------
   Total Other Assets-Net                                                                                 502,955           358,197
- - -----------------------------------------------------------------------------------------------------------------------------------
Total Assets                                                                                          $ 1,125,617       $ 1,039,108
===================================================================================================================================
Liabilities and Shareholders' Equity
Current Liabilities
Accounts Payable                                                                                      $    90,931       $    86,908
Short-Term Debt                                                                                            49,032            25,957
Accrued and Other Current Liabilities                                                                     308,396           301,522
Accrued Income Taxes                                                                                       48,901            42,385
- - -----------------------------------------------------------------------------------------------------------------------------------
   Total Current Liabilities                                                                              497,260           456,772
- - -----------------------------------------------------------------------------------------------------------------------------------
Postretirement and Postemployment Benefits                                                                 44,388            49,400
Deferred Income Taxes                                                                                      55,486            39,951
Other Liabilities                                                                                          40,435            32,881
- - -----------------------------------------------------------------------------------------------------------------------------------
   Total Liabilities                                                                                      637,569           579,004
- - -----------------------------------------------------------------------------------------------------------------------------------
Commitments and Contingencies
- - -----------------------------------------------------------------------------------------------------------------------------------
Shareholders' Equity
Preferred Stock-par value $.01 per share, authorized-5,000,000 shares;
   outstanding-none                                                                                            --                --
Common Stock-par value $.01 per share, authorized-150,000,000 shares;
   issued-58,868,399 and 57,730,273 shares for 1998 and 1997, respectively                                    589               577
Series Common Stock-par value $.01 per share, authorized-5,000,000 shares;
   issued-none                                                                                                 --                --
Additional Paid-In Capital                                                                                492,365           471,493
Retained Earnings                                                                                         100,829            43,620
Treasury Stock, at cost, 1,470,991 and 266,666 shares for 1998 and 1997, respectively                     (33,481)           (3,966)
Accumulated Other Comprehensive Income:
   Cumulative Translation Adjustment                                                                      (72,254)          (51,620)
- - -----------------------------------------------------------------------------------------------------------------------------------
   Total Shareholders' Equity                                                                             488,048           460,104
- - -----------------------------------------------------------------------------------------------------------------------------------
Total Liabilities and Shareholders' Equity                                                            $ 1,125,617       $ 1,039,108
===================================================================================================================================
</TABLE>

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




                                      F-8
<PAGE>


ACNIELSEN CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
                                                                                                  Years Ended December 31,
                                                                                      ---------------------------------------------
(Dollar amounts in thousands)                                                             1998              1997             1996
===================================================================================================================================
<S>                                                                                   <C>               <C>               <C>      
Cash Flows from Operating Activities:
Net Income                                                                            $  57,209         $  35,897         $  15,844
Reconciliation of Net Income to Net Cash
   Provided by Operating Activities:
      Depreciation and Amortization                                                      85,878            92,858            93,174
      Deferred Income Taxes                                                               3,214             7,062            11,598
      Special Charge                                                                         --            36,000                --
      Payments Related to Special Charges                                               (29,303)          (33,400)          (30,711)
      Postemployment Benefit Expense                                                      7,542               227             3,077
      Postemployment Benefit Payments                                                   (17,517)          (15,495)          (21,275)
      Net Increase in Accounts Receivable                                                (6,362)          (10,609)             (802)
      Gain on Sale of Investments                                                            --           (39,039)               --
      Net Decrease in Other Working Capital Items                                        31,690            28,249            58,682
      Other                                                                              (8,492)           (7,880)          (10,367)
- - -----------------------------------------------------------------------------------------------------------------------------------
Net Cash Provided by Operating Activities                                               123,859            93,870           119,220
- - -----------------------------------------------------------------------------------------------------------------------------------
Cash Flows from Investing Activities:
Proceeds from Sale of Investments                                                            --            45,899                --
Payments for Acquisition of Businesses (excluding cash and cash
   equivalents acquired of $1,127 in 1998 and $2,270 in 1997)                          (105,448)          (30,184)             (946)
Capital Expenditures                                                                    (55,375)          (48,427)          (65,503)
Additions to Computer Software                                                          (34,620)          (14,774)          (24,450)
(Increase) Decrease in Other Investments                                                   (915)              289             2,530
Other                                                                                   (26,694)           (8,874)           19,224
- - -----------------------------------------------------------------------------------------------------------------------------------
Net Cash Used in Investing Activities                                                  (223,052)          (56,071)          (69,145)
- - -----------------------------------------------------------------------------------------------------------------------------------
Cash Flows from Financing Activities:
Net Transfers from The Dun & Bradstreet Corporation                                          --                --            46,210
Increase (Decrease) in Short-Term Borrowings                                             13,850            (9,718)            9,758
Treasury Stock Purchases                                                                (29,515)               --            (3,966)
Proceeds from the Sale of Common Stock under Option Plans                                15,128             5,700             1,335
Other                                                                                       (70)              126            (1,588)
- - -----------------------------------------------------------------------------------------------------------------------------------
Net Cash (Used in) Provided by Financing Activities                                        (607)           (3,892)           51,749
- - -----------------------------------------------------------------------------------------------------------------------------------
Effect of Exchange Rate Changes on Cash and Cash Equivalents                             (5,393)          (13,186)           (6,387)
- - -----------------------------------------------------------------------------------------------------------------------------------
(Decrease) Increase in Cash and Cash Equivalents                                       (105,193)           20,721            95,437
Cash and Cash Equivalents, Beginning of Year                                            205,726           185,005            89,568
- - -----------------------------------------------------------------------------------------------------------------------------------
Cash and Cash Equivalents, End of Year                                                $ 100,533         $ 205,726         $ 185,005
===================================================================================================================================
Supplemental Disclosure of Cash Flow Information:
Cash Paid During the Year for Interest                                                $   1,526         $   3,014         $   5,272
Cash Paid During the Year for Income Taxes                                            $  32,731         $  42,101         $  57,736
- - -----------------------------------------------------------------------------------------------------------------------------------
Noncash Investing and Financing Activities:
Acquisition of Investment and Notes Receivable in exchange for
   Business Assets and Liabilities                                                    $  21,612                --                --
===================================================================================================================================
</TABLE>

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



                                      F-9
<PAGE>

ACNIELSEN CORPORATION

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY

<TABLE>
<CAPTION>
                                                                                            Additional      Treasury                
(Dollar amounts in thousands)                                    Divisional     Common        Paid-In        Stock,         Retained
Three Years Ended December 31, 1998                                Equity        Stock        Capital        at cost        Earnings
- - ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                              <C>              <C>        <C>            <C>             <C>
Balance, January 1, 1996                                         $ 406,098                                                          
   Comprehensive Income:                                                      
      Net Income for period ended October 31, 1996                   8,121    
      Other Comprehensive Income                                              
         Unrealized Gains on Investments for                                  
            period ended October 31, 1996(1)                                                                                        
         Cumulative Translation Adjustment for                                
            period ended October 31, 1996                                                                                           
   Comprehensive Income for period ended October 31, 1996                                                                           
   Net Transfers from The Dun & Bradstreet Corporation              46,210                                                          
   Stock Distribution to Holders of Dun &                                     
      Bradstreet Stock (57,019,180 shares)                        (460,429)       $570       $459,859
- - ------------------------------------------------------------------------------------------------------------------------------------
Balance, November 1, 1996                                                          570        459,859                               
   Comprehensive Income:                                                      
      Net Income for period ended December 31, 1996                                                                         $ 7,723
      Other Comprehensive Income                                              
         Unrealized Losses on Investments for                                 
            period ended December 31, 1996(1)                                                                                       
         Cumulative Translation Adjustment for                                
            period ended December 31, 1996                                                                                          
   Comprehensive Income for period ended December 31, 1996                                                                          
   Treasury Stock Purchased (266,666 shares)                                                                $ (3,966)               
   Activity under Stock Plans (105,239 shares),                               
      including tax benefits                                                         1          1,334                               
- - ------------------------------------------------------------------------------------------------------------------------------------
Balance, December 31, 1996                                                         571        461,193         (3,966)         7,723 
   Comprehensive Income:                                                      
      Net Income                                                                                                             35,897
      Other Comprehensive Loss                                                
         Unrealized Gains on Investments for                                  
            year ended December 31, 1997(1)                                                                                         
         Reclassification Adjustment for Gains                                
            Realized in Net Income(2)                                                                                               
         Cumulative Translation Adjustment for                                
            year ended December 31, 1997                                                                                            
   Comprehensive Loss for year ended December 31, 1997                                                                              
   Activity under Stock Plans (605,854 shares),                               
      including tax benefits                                                         6         10,300                               
- - ------------------------------------------------------------------------------------------------------------------------------------
Balance, December 31, 1997                                                         577        471,493         (3,966)        43,620 
   Comprehensive Income:                                                      
      Net Income                                                                                                             57,209
      Other Comprehensive Loss                                                
         Cumulative Translation Adjustment for                                
            year ended December 31, 1998                                                                                            
   Comprehensive Income for year ended December 31, 1998                                                                            
   Activity under Stock Plans (1,138,126 shares),                             
      including tax benefits                                                        12         20,872                               
   Treasury Stock Purchased (1,204,325 shares)                                                               (29,515)               
- - ------------------------------------------------------------------------------------------------------------------------------------
Balance, December 31, 1998                                                        $589      $ 492,365       $(33,481)      $100,829 
====================================================================================================================================

<CAPTION>
                                                                      Accumulated Other
                                                                     Comprehensive Income
                                                                  ---------------------------
                                                                    Unrealized    Cumulative       Total
(Dollar amounts in thousands)                                     Gains (Losses)  Translation   Shareholders'
Three Years Ended December 31, 1998                               on Investments  Adjustment       Equity
- - -------------------------------------------------------------------------------------------------------------
<S>                                                                 <C>            <C>            <C>     
Balance, January 1, 1996                                            $ (2,285)      $(26,282)      $377,531
   Comprehensive Income:                                        
      Net Income for period ended October 31, 1996              
      Other Comprehensive Income                                
         Unrealized Gains on Investments for                    
            period ended October 31, 1996(1)                           9,324
         Cumulative Translation Adjustment for                  
            period ended October 31, 1996                                             4,526
   Comprehensive Income for period ended October 31, 1996                                           21,971
   Net Transfers from The Dun & Bradstreet Corporation                                              46,210
   Stock Distribution to Holders of Dun &                       
      Bradstreet Stock (57,019,180 shares)                      
- - -------------------------------------------------------------------------------------------------------------
Balance, November 1, 1996                                              7,039        (21,756)       445,712
   Comprehensive Income:                                        
      Net Income for period ended December 31, 1996             
      Other Comprehensive Income                                
         Unrealized Losses on Investments for                   
            period ended December 31, 1996(1)                           (956)
         Cumulative Translation Adjustment for                  
            period ended December 31, 1996                                            4,098
   Comprehensive Income for period ended December 31, 1996                                          10,865
   Treasury Stock Purchased (266,666 shares)                                                        (3,966)
   Activity under Stock Plans (105,239 shares),                 
      including tax benefits                                                                         1,335
- - -------------------------------------------------------------------------------------------------------------
Balance, December 31, 1996                                             6,083        (17,658)       453,946
   Comprehensive Income:                                        
      Net Income                                                
      Other Comprehensive Loss                                  
         Unrealized Gains on Investments for                    
            year ended December 31, 1997(1)                           14,647
         Reclassification Adjustment for Gains                  
            Realized in Net Income(2)                                (20,730)
         Cumulative Translation Adjustment for                  
            year ended December 31, 1997                                            (33,962)
   Comprehensive Loss for year ended December 31, 1997                                              (4,148)
   Activity under Stock Plans (605,854 shares),                 
      including tax benefits                                                                        10,306
- - -------------------------------------------------------------------------------------------------------------
Balance, December 31, 1997                                                          (51,620)       460,104
   Comprehensive Income:                                        
      Net Income                                                
      Other Comprehensive Loss                                  
         Cumulative Translation Adjustment for                  
            year ended December 31, 1998                                            (20,634)
   Comprehensive Income for year ended December 31, 1998                                            36,575
   Activity under Stock Plans (1,138,126 shares),               
      including tax benefits                                                                        20,884
   Treasury Stock Purchased (1,204,325 shares)                                                     (29,515)
- - -------------------------------------------------------------------------------------------------------------
Balance, December 31, 1998                                                        $ (72,254)     $ 488,048
=============================================================================================================
</TABLE>

(1) Reported net of income tax expense of $4,056 and $3,926 for years ended
    December 31, 1996 and December 31, 1997, respectively.

(2) Reported net of income tax benefit of $7,982.

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




                                      F-10
<PAGE>

ACNIELSEN CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Dollar amounts in thousands, except per share data)

Note 1. Basis of Presentation

     Effective on November 1, 1996 (the Distribution Date), ACNielsen
Corporation (the Company) became an independent, publicly-owned company as a
result of the distribution by The Dun & Bradstreet Corporation (D&B) of the
Company's $.01 par value Common Stock, at a distribution ratio of one share for
three shares (the Distribution). Prior to the Distribution, the Company was
formed as a wholly-owned subsidiary of D&B for the purpose of effecting the
Distribution. Included in this transaction was the transfer of the former D&B
businesses and operations that now comprise the Company, and substantially all
of the assets and liabilities of such businesses.

     The Balance Sheets, as of December 31, 1998 and 1997, and the Statements of
Income for the years then ended, are presented on a consolidated basis. The
Statement of Income for the year ended December 31, 1996, includes the combined
results of operations of the ACNielsen businesses under D&B for the ten months
prior to the Distribution Date and the consolidated results of operations of the
Company for the two-month period ended December 31, 1996. The financial
statements for periods prior to the Distribution Date are presented on a
combined basis and have been prepared using D&B's historical basis of accounting
for the assets and liabilities and historical results of operations related to
the Company's businesses, except for accounting for income taxes (see Note 2).

     The financial statements generally reflect the financial position, results
of operations, and cash flows of the Company as if it were a separate entity for
all periods presented. The financial statements prior to the Distribution
include allocations of certain D&B corporate assets (including prepaid pension
assets) and liabilities (including pension and postretirement benefits), and
expenses (including cash management, legal, accounting, tax, employee benefits,
insurance services, data services and other D&B corporate overhead) relating to
the Company's businesses that were transferred to the Company from D&B.
Management believes these allocations are reasonable. However, the financial
information included herein may not necessarily reflect the financial position,
results of operations, and cash flows of the Company in the future or what they
would have been had the Company been a separate entity during the periods prior
to the Distribution.

     For purposes of governing certain of the ongoing relationships between the
Company, D&B and Cognizant Corporation (Cognizant, another corporation spun off
by D&B) after the Distribution and to provide for orderly transition, the
Company, D&B and Cognizant entered into various agreements including a
Distribution Agreement (the "Distribution Agreement"), Employee Benefits
Agreement, Tax Allocation Agreement, Indemnity and Joint Defense Agreement, TAM
(Television Audience Measurement) Master Agreement, Shared Transaction Services
Agreements, Intellectual Property Agreement, Transition Services Agreement and
Data Services Agreements.

     In June 1998, D&B changed its name to R.H. Donnelley Corporation and spun
off a company now named The Dun & Bradstreet Corporation ("New D&B") and
Cognizant changed its name to Nielsen Media Research, Inc. ("NMR") and spun off
a company named IMS Health Incorporated ("IMS Health"). As required by the terms
of the Distribution Agreement, each of New D&B and IMS Health has provided an
undertaking to the Company to be jointly and severally liable with its former
parent company for any liabilities of such former parent company arising out of
the agreements referred to above.

Note 2. Summary of Significant Accounting Policies

     Principles of Consolidation. Investments in companies over which the
Company has significant influence but not a controlling interest are carried at
equity. The effects of all significant intercompany transactions have been
eliminated. The financial statements of subsidiaries outside the United States
and Canada reflect a fiscal year ending November 30 to facilitate timely
reporting of the Company's financial results.

     Cash Equivalents and Marketable Securities. Investments that are highly
liquid and mature within 90 days of the purchase date are considered cash
equivalents. At December 31, 1998 and 1997, all marketable securities are
classified as "available for sale" and therefore are reported at fair value,
with net unrealized gains and losses reported in equity.

     Property, Plant and Equipment. Buildings, computer hardware and other
equipment are depreciated over their estimated useful lives using principally
the straight-line method. Leasehold improvements are amortized on a
straight-line basis over the shorter of the term of the lease or the estimated
useful life of the improvement.

     Computer Software. Certain internal costs incurred in the development of
computer software are capitalized. Capitalization ceases and amortization starts
when the product is available for general release to customers. Costs incurred
to establish technological feasibility of a computer software product are
expensed in the periods in which they are incurred. In addition, computer
software includes amounts purchased for internal use. Computer software costs
are being amortized on a product-by-product basis, over three to five years.
Annual amortization is the greater of the amount computed using (a) the ratio
that gross revenue for a product bears to the total of current and anticipated
future gross revenue for that product or (b) the straight-line method over the
remaining estimated economic life of the product.

     Other Intangibles. Other intangibles include customer lists and consumer
panel database development. Other intangibles are amortized, using principally
the straight-line method, over five to 20 years.

     Goodwill. Goodwill represents the excess purchase price over the fair value
of identifiable net assets of businesses acquired and is amortized on a
straight-line basis over ten to 40 years. The Company reviews the recoverability
of goodwill based on estimated undiscounted future cash flows from operating
activities compared with the carrying value of goodwill and recognizes any
impairment on the basis of such comparison. The recognition and measurement of
goodwill impairment is assessed at the business unit level.

     Impairment of Long-Lived Assets. Long-lived assets and certain identifiable
intangibles are reviewed for impairment whenever events or changes in
circumstances indicate that the carrying amount of an asset may not be
recoverable. An impairment loss is recognized when the sum of undiscounted
expected future cash flows is less than the carrying amount of such assets. The
measurement for such impairment loss is based on the fair value of the assets.

     Revenue Recognition. Retail Measurement Service products generally have
contract terms of one to three years. The base contract revenue from the first
commitment period is recognized ratably over the initial contract term. Revenue




                                      F-11
<PAGE>

Note 2. Summary of Significant Accounting Policies (Continued)

from remaining years of multi-year contracts, extensions and renewals is
recognized ratably over their extension periods. After the initial commitment,
the contract generally continues indefinitely, unless canceled by the client
with a minimum of three months' prior written notice.

     Revenue for customized research and special modeling and analytical
services is recognized as services are performed.

     Consumer Panel products generally have contract terms of one year, with
revenue recognized over the term of the contract on a straight-line basis.

     International Media Services are generally provided over longer periods,
with revenue recognized on a straight-line basis over the contract term. The
contracts are cancelable by the client only with specified notice and payments.

     Foreign Currency Translation. For all operations outside the United States
where the Company has designated the local currency as the functional currency,
assets and liabilities are translated using end-of-period exchange rates;
revenue and expenses are translated using average rates of exchange. For these
countries, currency translation adjustments are accumulated in a separate
component of shareholders' equity, whereas realized transaction gains and losses
are recognized in Other Income (Expense)-Net. For operations in countries that
are considered to be highly inflationary, where the U.S. dollar is designated as
the functional currency, monetary assets and liabilities are translated using
end-of-period exchange rates, and nonmonetary accounts are translated using
historical exchange rates. Translation and transaction adjustments recognized in
Other Income (Expense)-Net amounted to losses of $1,207, $502 and $809 for 1998,
1997 and 1996, respectively.

     The Company has significant operations in non-U.S. countries. Therefore,
changes in the value of foreign currencies affect the Company's financial
statements when translated into U.S. dollars.

     Income Taxes. The Company recognizes income taxes during the year in which
transactions enter into the determination of financial statement income, with
deferred taxes being provided for temporary differences between amounts of
assets and liabilities for financial reporting purposes and such amounts as
measured by tax laws.

     In accordance with the Tax Allocation Agreement, the Company is liable for
Federal, State and non-U.S. income tax liabilities beginning after the
Distribution Date. In addition, the Company is liable for certain non-U.S. tax
liabilities arising prior to the Distribution. Prior to the Distribution, the
Company was included in the Federal and certain State and non-U.S. income tax
returns of D&B.

     Divisional Equity. Divisional equity includes historical investments and
advances from D&B, including net transfers to/from D&B, third-party liabilities
paid on behalf of the Company by D&B and amounts due to/from D&B for services
and other charges, as well as current period income/loss, through the
Distribution Date.

     Estimates. The preparation of financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets, liabilities, revenue
and expenses and the disclosure of contingent assets and liabilities. Actual
results could differ from those estimates.

     Earnings Per Share. Net earnings are divided by the weighted average number
of common shares outstanding during the year to calculate basic net earnings per
common share. Diluted net earnings per common share are calculated to give
effect to stock options.

     Earnings per share for periods after October 31, 1996 have been computed
based on the average number of ACNielsen shares outstanding. Earnings per share
for periods prior to October 31, 1996 have been computed using the average
number of D&B shares outstanding during the periods, adjusted for the
one-for-three distribution ratio.

     New Accounting Pronouncements Adopted in 1998. The Company has adopted
Statement of Financial Accounting Standards ("SFAS") No. 130, "Reporting
Comprehensive Income," which establishes standards for reporting and display of
comprehensive income and its components in the financial statements. Earlier
periods have been restated to conform with the standards set forth in SFAS No.
130.

     In addition, the Company adopted SFAS No. 131, "Disclosures about Segments
of an Enterprise and Related Information." SFAS No. 131 establishes standards
for reporting certain information about each segment of the Company. Adoption of
this statement did not result in any change in the Company's reportable
segments.

     The Company has adopted SFAS No. 132, "Employers' Disclosures about
Pensions and Other Postretirement Benefits." This statement revises employers'
disclosures about pension and other postretirement benefit plans. It does not
change measurement or recognition provisions for those plans.

     New Accounting Pronouncements Not Yet Adopted. In April 1998, the American
Institute of Certified Public Accountants issued Statement of Position (SOP)
98-5, "Reporting on the Costs of Start-Up Activities." The SOP, which the
Company plans to adopt on January 1, 1999, requires that costs of start-up
activities be expensed as incurred. The Company currently capitalizes certain
one-time costs related to introducing new services and conducting business in
new geographic areas. Adoption of this SOP is expected to result in a one-time,
non-cash, after-tax charge of approximately $20,000, which will be recorded as a
cumulative effect of a change in accounting principle-net of tax. However,
adoption of the new accounting policy is not expected to have a material impact
on the Company's future results of operations.

     In June 1998, the Financial Accounting Standards Board issued SFAS No. 133,
"Accounting for Derivative Instruments and Hedging Activities." The statement
establishes accounting and reporting standards requiring 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. The statement 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.

     SFAS No. 133 is effective for fiscal years beginning after June 15, 1999.
However, the Company expects to adopt the new statement effective January 1,
1999. SFAS No. 133 cannot be applied retroactively. SFAS No. 133 must be 



                                      F-12
<PAGE>

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 the Company's election, before January
1, 1998).

     The Company uses foreign exchange forward contracts to hedge significant
known transactional exposures. Based on the Company's derivative positions at
December 31, 1998, management does not anticipate that the adoption of the new
statement will have a material effect on earnings or the financial position of
the Company.

     Reclassifications. Certain prior-year amounts have been reclassified to
conform with the current-year presentation.

Note 3. Special Charges

     In the fourth quarter of 1997, the Company recorded a special charge of
$36,000. The charge consisted of costs to reduce workforce levels, primarily in
Japan, as well as to consolidate facilities and rationalize certain product
lines in Japan and other Asia Pacific markets. It also included costs to revalue
certain assets in Europe, Latin America and Asia Pacific. The plans were
designed to achieve long-term productivity improvements, rationalize the
Company's product lines and reduce costs in these regions.

     The actions commenced in 1998 and will be completed in 1999. Certain
actions were completed at a lower cost than originally estimated while other
actions require higher costs to complete. The following table recaps the
activity by major cost category:

<TABLE>
<CAPTION>
                                December 31,        Asset            Cash           Revised        December 31,
Category                            1997        Revaluations       Payments        Estimates           1998
===============================================================================================================
<S>                              <C>             <C>              <C>              <C>              <C>     
Rationalize Product Lines        $ 18,300        $ (6,132)        $ (8,910)        $ (2,845)        $    413
Workforce Reductions               12,400              --          (11,327)           2,030            3,103
Facilities/Real Estate              5,300          (1,130)          (4,737)             815              248
- - ---------------------------------------------------------------------------------------------------------------
Total                            $ 36,000        $ (7,262)        $(24,974)        $     --         $  3,764
===============================================================================================================
</TABLE>

     In the fourth quarter of 1995, the Company recorded a special charge of
$152,170. This charge primarily reflected an impairment loss in connection with
the adoption of the provisions of SFAS No. 121, "Accounting for the Impairment
of Long-Lived Assets and for Long-Lived Assets to Be Disposed Of" ($74,370), a
provision for postemployment benefits ($14,300) under D&B's severance plan, an
accrual for contractual obligations that have no future economic benefits
($55,800) and other asset revaluations ($7,700). At December 31, 1998, all
activities have been substantially executed. Accruals remaining totaled $5,240,
at December 31, 1998, primarily for a long-term lease obligation, which will be
paid through 2004.

Note 4. Sale of Investments

     In the fourth quarter of 1997, the Company sold its investments in
Manugistics Group, Inc., a provider of software and services for supply-chain
management, and GeoQuest International Holdings, Inc., a holding company whose
principal business provides information services to the energy industry,
resulting in a total pre-tax gain of $39,039 ($28,200 after-tax), which is
included in Other Income-Net. Combined cash proceeds from the sales totaled
$45,899.

Note 5. Acquisitions

     In 1998, 1997 and 1996, the Company acquired interests in various companies
in separate transactions that were accounted for as purchases. The aggregate
purchase price of such acquisitions in 1998 totaled $131,247, including
contractual obligations and other future costs of $28,594 payable from 1999 to
2001. Payments of $2,795 were made during 1998 for prior year acquisitions. The
largest acquisitions in 1998 were BBI Marketing Services, Inc. ("BASES") and ANR
Amer Nielsen Research Limited ("ANR"). The Company also increased its ownership
in businesses in Australia, Greece, Chile, and India, and acquired a 49%
interest in AMER Research Limited, serving the Middle East and Northern Africa.

     BASES, acquired on June 30, 1998, is a provider of simulated test-marketing
services. The initial purchase price was $70,550 including accrued acquisition
costs of $5,272 payable from 1999 to 2001. The purchase price was allocated to
the net assets acquired, resulting in goodwill of $62,642. This goodwill is
being amortized over 40 years on a straight-line basis. The Company may also be
required to make additional cash payments if BASES achieves certain operating
goals. The maximum amount of contingent consideration is approximately $36,000,
payable through 2001.

     On September 23, 1998, the Company acquired full ownership in ANR, a
joint-venture business covering Eastern Europe, the former Soviet Union,
sub-Saharan Africa and the Indian subcontinent. The purchase price of $44,030
includes three installment payments due in January 1999, 2000 and 2001 for
$4,912, $9,294 and $8,824, respectively. The installment payments are supported
by a stand-by letter of credit with an international bank. The purchase price
was allocated to the minority interest acquired, with the excess purchase price
of $42,826 recorded as goodwill. This goodwill is being amortized over 40 years
on a straight-line basis. The terms of the agreement provide for additional cash
payments if ANR achieves certain operating goals. Such payments, if earned,
would be paid in 2003 and 2006.

     The purchase price allocations for BASES and ANR have been prepared on a
preliminary basis, and changes are expected as integration plans are finalized.

     In 1997, the largest acquisition was Entertainment Data Inc., ("EDI"), a
provider of box-office information for the motion-picture industry. The purchase
price of $26,521 included a $4,000 interest-bearing promissory note payable from
1999 to 2001. The purchase price was allocated to the net assets acquired,
resulting in goodwill of $25,846. This goodwill is being amortized over 40 years
on a straight-line basis.

     The aggregate purchase price of acquisitions made in 1997 and 1996 totaled
$39,674 and $1,907, respectively.

     The results of operations of all purchases are included in the Consolidated
Statements of Income from dates of acquisition. Had the acquisitions made in
1998, 1997 and 1996 been consummated on January 1 of the year preceding the year
of acquisition, the results of these acquired operations would not have had a
significant impact on the Company's consolidated results of operations for any
of the years presented.


                                      F-13
<PAGE>


Note 6. Pension and Other Postretirement Benefits

Defined Benefit Plans

     The Company has a defined benefit pension plan covering substantially all
employees in the United States. Generally, the benefits to be paid to employees
under this plan are based on notional account balances that are increased
annually by pay-related and interest credits. Pension costs are determined
actuarially and funded to the extent allowable under the Internal Revenue Code
(IRC). Supplemental plans in the United States are maintained to provide
retirement benefits to eligible employees in excess of levels allowed by the
IRC.

     The Company's subsidiaries outside the United States provide retirement
benefits for employees consistent with local practices, primarily using defined
benefit or termination indemnity plans.

     The Company provides various health-care and life-insurance benefits for
retired United States employees who become eligible for these benefits if they
terminate employment after completing at least ten years of service with the
Company after age 45. The postretirement medical benefit is contributory.
Certain of the Company's subsidiaries outside the United States have
postretirement benefit plans, although most participants are covered by
government-sponsored or administered plans. The cost of Company-sponsored
postretirement benefit plans outside the United States is not significant. In
certain instances, the Company provides postemployment benefits to former or
inactive employees following employment but before retirement, principally
severance.

     At the Distribution Date, the Company assumed responsibility for pension
and postretirement benefits for active employees of the Company and established
separate retirement plans for its employees; the responsibility for all others,
principally retirees, remained with D&B. An allocation of assets and liabilities
for such active employee benefits has been included in the consolidated
financial statements.

     Prior to the Distribution Date, the Company's United States employees
participated in D&B's defined benefit pension and postretirement plans, covering
substantially all employees in the United States. The benefits to be paid to
employees under the defined benefit pension plan were based on years of credited
service and average final compensation.

     Prior to the Distribution Date, the Company accounted for the pension and
postretirement benefit plans in the United States as multi-employer plans.
Accordingly, the Company has recorded pension and postretirement benefit costs
as allocated by D&B totaling $1,301 and $1,432, respectively, for the ten months
ended October 31, 1996.

     The components of pension and postretirement costs for the years ending
1998, 1997 and 1996 are as follows:

<TABLE>
<CAPTION>
                                                                    Pension Benefits                  Other Postretirement Benefits
- - ------------------------------------------------------------------------------------------------------------------------------------
                                                             1998         1997         1996*         1998         1997         1996*
====================================================================================================================================
<S>                                                       <C>          <C>          <C>          <C>          <C>          <C>     
Service cost on benefits earned during the year           $ 10,392     $  8,766     $  7,218     $    354     $    404     $     80
Interest cost on projected benefit obligation               16,940       16,596       14,442          406          469           60
Expected return on plan assets                             (23,853)     (22,190)     (18,586)          --           --           --
Amortization of transition (asset) obligation               (2,571)      (2,623)      (2,231)          --           --           --
Amortization of prior-service costs                          1,187        1,131        1,134         (120)        (120)         (20)
Amortization of net loss                                       392          404          602           --           77           --
Settlement and curtailment (gain)                              (18)          --           --           --           --           --
- - ------------------------------------------------------------------------------------------------------------------------------------
Net pension and postretirement costs                      $  2,469     $  2,084     $  2,579     $    640     $    830     $    120
====================================================================================================================================
</TABLE>

* Includes U.S. amounts subsequent to the Distribution Date and Non-U.S. 
  amounts for the full year.

     The prior-service costs are amortized on a straight-line basis over the
average remaining service period of active participants. Gains and losses in
excess of 10% of the greater of the benefit obligation or the market-related
value of assets are amortized over the average remaining service period of
active participants.



                                      F-14
<PAGE>


     The following tables provide a reconciliation of the changes in the plans'
benefit obligations and fair value of assets for the years ended December 31,
1998 and 1997:

<TABLE>
<CAPTION>
                                                                          Pension Benefits             Other Postretirement Benefits
- - ------------------------------------------------------------------------------------------------------------------------------------
                                                                       1998              1997               1998              1997
====================================================================================================================================
<S>                                                                 <C>               <C>               <C>               <C>      
Reconciliation of benefit obligation
Obligation at January 1                                             $ 270,417         $ 261,324         $   7,229         $   5,909
Service cost                                                           10,392             8,766               354               404
Interest cost                                                          16,940            16,596               406               469
Participant contributions                                               1,524             1,461                21                19
Plan amendments                                                         1,874               671                --                --
Actuarial loss (gain)                                                  10,907             9,958            (1,227)              447
Benefit payments                                                      (14,555)          (11,762)              (73)              (19)
Curtailments                                                             (751)               --                --                --
Settlement payments                                                   (10,663)               --                --                --
Transfers                                                                 240                --                --                --
Effect of change in foreign exchange rates                               (701)          (16,597)               --                --
- - ------------------------------------------------------------------------------------------------------------------------------------
Obligation at December 31                                           $ 285,624         $ 270,417         $   6,710         $   7,229
====================================================================================================================================
Reconciliation of fair value of plan assets
Fair value of plan assets at January 1                              $ 301,038         $ 279,196         $      --         $      --
Actual return on plan assets                                           44,308            40,104                --                --
Employer contributions                                                 12,361             5,520                52                --
Participant contributions                                               1,524             1,461                21                19
Benefit payments                                                      (14,555)          (11,762)              (73)              (19)
Settlement payments                                                   (10,663)               --                --                --
Transfers                                                                 240                --                --                --
Effect of change in foreign exchange rates                             (1,400)          (13,481)               --                --
- - ------------------------------------------------------------------------------------------------------------------------------------
Fair value of plan assets at December 31                            $ 332,853         $ 301,038         $      --         $      --
====================================================================================================================================
Funded status
Funded status at December 31                                        $  47,229         $  30,621         $  (6,710)        $  (7,229)
Unrecognized transition (asset) obligation                             (8,952)          (12,117)               --                --
Unrecognized prior-service cost                                         7,985             7,385               (20)             (140)
Unrecognized (gain) loss                                              (22,734)          (11,734)              644             1,871
- - ------------------------------------------------------------------------------------------------------------------------------------
Net amount recognized in the balance sheet                          $  23,528         $  14,155         $  (6,086)        $  (5,498)
====================================================================================================================================
</TABLE>

Plan assets are invested in diversified portfolios that consist primarily of
equity and debt securities.
Curtailments and settlement payments occurred primarily due to workforce
reduction actions.


     The following table provides the amounts in the balance sheet at December
31, 1998 and 1997:

<TABLE>
<CAPTION>
                                                                          Pension Benefits             Other Postretirement Benefits
- - ------------------------------------------------------------------------------------------------------------------------------------
                                                                       1998              1997               1998              1997
====================================================================================================================================
<S>                                                                 <C>               <C>               <C>               <C>      
Prepaid benefit cost                                                $  61,844         $  56,568         $      --         $      --
Accrued benefit liability                                             (38,761)          (42,413)           (6,086)           (5,498)
Intangible asset                                                          445                --                --                --
- - ------------------------------------------------------------------------------------------------------------------------------------
Net amount recognized in the balance sheet                          $  23,528         $  14,155         $  (6,086)        $  (5,498)
====================================================================================================================================
</TABLE>


 
                                      F-15
<PAGE>


Note 6. Pension and Other Postretirement Benefits (Continued)

     The aggregate projected benefit obligation, accumulated benefit obligation
and fair value of plan assets for the pension plans with accumulated benefit
obligations in excess of plan assets were $29,930, $21,750 and $0 respectively,
at December 31, 1998 and $34,661, $26,446 and $0, respectively, at December 31,
1997. The Company's plan for postretirement benefits other than pensions has no
plan assets.

     The significant weighted-average actuarial assumptions at December 31,
1998, 1997 and 1996 were as follows:

                                                           Other Postretirement
                                   Pension Benefits               Benefits
- - ------------------------------------------------------- ------------------------
                                 1998    1997    1996     1998    1997    1996
======================================================= ========================
Discount rate                    6.09%   6.77%   7.92%    6.75%   7.00%   7.50%
Expected long-term rate of
   return on plan assets         7.76%   8.52%   9.32%      --      --      --
Rate of increase in future
   compensation levels           3.62%   3.95%   4.58%    4.16%   4.16%   4.16%
================================================================================

     A 7.5% annual rate of increase in the per capita cost of covered health
care benefits was assumed for 1998. The rate was assumed to decrease gradually
each year to a rate of 5.0% by the year 2004 and remain constant thereafter.

     A 1% change in assumed health care cost trend rates would have the
following effects:

                                                        1% Increase  1% Decrease
================================================================================
Effect on total service and interest cost components of
  net periodic postretirement health care benefit cost      $ 84         $ 77
Effect on the health care component of the
  accumulated postretirement benefit obligation             $783         $701
================================================================================

Defined Contribution Plans

     Effective upon the Distribution, the Company established an Employee Stock
Ownership Plan (ESOP) for the benefit of its United States employees. The
Company may contribute cash or Company common stock to each employee's account
in an amount currently equal to 3.5% of compensation (subject to IRS
limitations). In connection with the ESOP, the Company issued 171,352, 221,466
and 18,775 shares, and recognized compensation expense of $4,267, $4,005 and
$639 for the years 1998 and 1997 and the two months ended December 31, 1996,
respectively.

     Prior to the Distribution Date, certain United States employees were
eligible to participate in a D&B-sponsored defined contribution plan. The
Company made a matching contribution of 50% of the employee's contribution up to
6% of pay and an additional match depending on its earnings per share, all
subject to specified limits. The Company's expense related to this plan was
$3,523 for the ten months ended October 31, 1996. Effective with the
Distribution, the Company established a new savings plan that does not provide
for a matching contribution.

Note 7. Employee Stock and Related Plans

     In October 1996, the Company adopted three stock incentive plans which
reserved shares of common stock for issuance to key employees and non-employee
directors. Pursuant to one such plan, immediately following the Distribution,
outstanding awards under the D&B stock option plans held by Company employees
were replaced by Company stock options. The replacement awards have the same
ratio of the exercise price per option to the market value per share, the same
aggregate difference between market value and exercise price and substantially
the same other terms and conditions as the options they replaced. A total of
18,300,000 shares have been reserved for issuance under these plans.

     Under the stock incentive plans adopted in 1996, 5,081,444 shares of common
stock were available for future grants as of December 31, 1998. The plans
adopted in 1996 provide that shares granted come from the Company's authorized
but unissued common stock or treasury stock. The price of options granted
pursuant to these plans will not be less than the fair market value of the
shares on the date of grant, with the exception of the replacement options, the
price of which was determined as described above. Stock options granted during
1996 and 242,000 options granted in 1997 ("effective-date options") have a term
of ten years and vest over four or six years. In addition, effective-date
options may vest earlier if the Company's stock price reaches certain targets.
One-half of the effective-date options (2,393,527 shares) vested on September
11, 1997, when the Company's stock price reached 150% of those options' exercise
price for five consecutive trading days. The remaining unvested effective-date
options would vest on an accelerated basis if the stock price reaches 200% of
the exercise price for five consecutive trading days.

     The plans also provide for the granting of limited stock appreciation
rights (LSARs) in tandem with stock options to certain key employees. At
December 31, 1998, 2,613,641 LSARs were outstanding, which are exercisable upon
the occurrence of a specified event.

     In connection with the acquisition of BASES in June 1998, the Company
adopted a stock incentive plan which reserves 1,000,000 shares of common stock
for issuance to key employees of BASES. The plan requires that shares granted
come from the Company's treasury stock. The BASES options have a term of ten
years and vest in 9.5 years unless certain earnings targets are met during a
thirty-month period ending December 31, 2000. Under this stock incentive plan
adopted in 1998, options for 1,000,000 shares were granted, and no shares of
common stock were available for future grants as of December 31, 1998.



                                      F-16
<PAGE>


     The Company has adopted the disclosure-only provisions of SFAS No. 123,
"Accounting for Stock-Based Compensation." Accordingly, no compensation expense
has been recognized for the Company's four stock incentive plans. Had
compensation expense for the Company's plans been determined based on the fair
value at the grant date for option grants after January 1, 1995, including the
conversion of D&B stock options granted prior to 1995, the Company's net income
and net earnings per share would have been reduced to the pro forma amounts
indicated below.

                                              1998          1997          1996
===============================================================================
Net Income-as reported                      $57,209       $35,897       $15,844
Net Income-pro forma                        $50,137       $23,889       $13,200
Basic earnings per share-as reported        $  1.00       $   .63       $   .28
Basic earnings per share-pro forma          $   .88       $   .42       $   .23
Diluted earnings per share-as reported      $   .96       $   .62       $   .28
Diluted earnings per share-pro forma        $   .84       $   .41       $   .23
===============================================================================
Note: The 1997 pro forma amounts include a pre-tax charge of $11,590 as a result
of one-half of the effective-date options vesting when the Company's stock price
reached 150% of those options' exercise price. The 1996 pro forma amounts
include an incremental pre-tax charge of $3,048, as a result of the replacement
stock option plan being considered a modification of the D&B stock option plan
in accordance with SFAS No. 123.

     The fair value of each option grant is estimated on the date of grant using
the Black-Scholes option-pricing model with the following weighted average
assumptions (including assumptions related to D&B options to determine
compensation expense for the period prior to the Distribution):

<TABLE>
<CAPTION>
                                                                        1996
                                                              -----------------------
                                                                  Old     ACNielsen &
                                                                  D&B     Replacement
                                         1998         1997      Options     Options
=====================================================================================
<S>                                   <C>         <C>         <C>         <C>      
Expected dividend yield                      --          --        4.7%          --
Expected stock price volatility             30%         30%         15%         30%
Risk-free interest rate                   4.89%       5.90%       6.15%       6.11%
Expected holding period of options    4.2 years   4.1 years   5.0 years   5.0 years
=====================================================================================
</TABLE>

     The weighted-average fair value of options granted during 1998, 1997 and
1996 was $8.25, $6.22 and $6.16 per share, respectively. 

     The following is a summary of stock option activity and number of shares
reserved for outstanding options:

                                                                       Average
                                                                    option price
                                                      Shares         per share
================================================================================
Conversion of D&B options at November 1, 1996       4,054,731         $ 15.66
Granted-effective-date options                      4,706,055           15.75
Exercised                                             (69,190)          14.53
Canceled or Expired                                  (148,336)          16.15
- - --------------------------------------------------------------------------------
Options outstanding at December 31, 1996            8,543,260           15.71
Granted                                             1,261,500           21.01
Exercised                                            (373,636)          15.37
Canceled or Expired                                  (686,434)          16.00
- - --------------------------------------------------------------------------------
Options outstanding at December 31, 1997            8,744,690           16.46
Granted                                             2,608,400           25.98
Exercised                                            (970,747)          15.65
Canceled or Expired                                  (188,330)          16.86
- - --------------------------------------------------------------------------------
Options outstanding at December 31, 1998           10,194,013         $ 18.97
================================================================================


     The following is a summary of shares exercisable, average remaining life
and average option price per share of options outstanding at December 31, 1998:

<TABLE>
<CAPTION>
                                                                      Shares Outstanding                    Shares Exercisable
                                                          -----------------------------------------   -----------------------------
                                                          Number of   Average option     Average       Number of    Average option
                                                           Shares     price per share Remaining life    Shares     price per share
====================================================================================================  =============================
<S>                                                       <C>              <C>          <C>            <C>              <C>   
Converted D&B options                                     2,455,737        $15.63       5.7 years      2,192,503        $15.48
Effective-date options                                    4,137,876         15.71       7.9 years      2,794,069         15.72
Options granted subsequent to July, 1997                  3,600,400         24.99       9.5 years        243,996         22.38
- - ------------------------------------------------------------------------------------------------------------------------------------
Options outstanding at December 31, 1998                 10,194,013        $18.97       7.9 years      5,230,568        $15.93
====================================================================================================================================
</TABLE>

     Success Share Program. On December 9, 1996, the Company granted to each of
its full-time and regular employees, stock appreciation rights at a strike price
of $15.75, entitling the employee to the appreciation on the equivalent of 25
shares of the Company's common stock, subject to certain terms, conditions and
limitations. The rights vested on December 9, 1997, and expire on December 9,
1999. Charges to income in 1998 and 1997 with respect to this program totaled
$958 and $3,212, respectively. There were no charges to income in 1996 with
respect to this program.



                                      F-17
<PAGE>


Note 8. Income Taxes

     Income (loss) before provision for income taxes consisted of:

                                               1998          1997         1996
================================================================================
U.S.                                         $30,742       $56,221     $(35,714)
Non-U.S.                                      67,874        12,323       66,208
- - --------------------------------------------------------------------------------
                                             $98,616       $68,544     $ 30,494
================================================================================

     In 1996, U.S. losses through the Distribution Date were realized by D&B
and, accordingly, the related tax benefit was reflected by the Company through
divisional equity.

     The provision (benefit) for income taxes consisted of:

                                       1998              1997              1996
================================================================================
U.S. Federal and state:
   Current                         $  4,348          $  6,790          $ (9,776)
   Deferred                          (2,329)           10,286              (996)
- - --------------------------------------------------------------------------------
   Total                              2,019            17,076           (10,772)
- - --------------------------------------------------------------------------------
Non-U.S.:
   Current                           35,974            25,781            10,631
   Deferred                           3,414           (10,210)           14,791
- - --------------------------------------------------------------------------------
   Total                             39,388            15,571            25,422
- - --------------------------------------------------------------------------------
Total                              $ 41,407          $ 32,647          $ 14,650
================================================================================

     The following table summarizes the significant differences between the U.S.
Federal statutory taxes and the Company's provision for income taxes for
consolidated financial statement purposes:

<TABLE>
<CAPTION>
                                                          1998         1997         1996
==========================================================================================
<S>                                                    <C>          <C>          <C>     
Tax expense at the U.S. statutory rate                 $ 34,516     $ 23,990     $ 10,673
State and local income taxes, net of Federal effect         999        1,827       (1,161)
Reduction in the valuation allowance                     (6,212)      (6,313)        (656)
Non-U.S. taxes                                           15,648        8,063        2,249
Other                                                    (3,544)       5,080        3,545
- - ------------------------------------------------------------------------------------------
Provision for Income Taxes                             $ 41,407     $ 32,647     $ 14,650
==========================================================================================
</TABLE>


     The Company's deferred tax assets (liabilities) are comprised of the
following at December 31, 1998 and 1997:

                                           1998          1997
===============================================================
Deferred Tax Assets:
   Operating Losses                    $  53,384     $  56,093
   Special Charges                         1,506        12,580
   Employee Benefits                      13,670        18,222
   Other Accruals                         17,822        11,140
   Bad Debts                               3,783         3,151
- - ---------------------------------------------------------------
                                          90,165       101,186
Valuation Allowance                      (55,057)      (73,553)
- - ---------------------------------------------------------------
                                          35,108        27,633
- - ---------------------------------------------------------------
Deferred Tax Liabilities:
   Postretirement Benefits               (17,664)      (17,970)
   Intangibles and Deferred Charges      (20,483)      (10,820)
   Fixed Assets                           (7,509)       (5,175)
   Other Assets                          (14,485)      (20,634)
- - ---------------------------------------------------------------
                                         (60,141)      (54,599)
- - ---------------------------------------------------------------
Net Deferred Tax Liability             $ (25,033)    $ (26,966)
===============================================================

     During the year ended December 31, 1998, the valuation allowance decreased
by $18,496. Approximately $12,300 of the reduction did not effect the provision
for income taxes as the related deferred tax assets were reduced by a like
amount. The remaining reduction was primarily due to changes in economic
circumstances which made the utilization of certain Non-U.S. net operating loss
carryforwards more likely than not.

     U.S. operating loss carryforwards of approximately $15,000 will expire in
2012. Non-U.S. loss carryforwards of $52,353 will expire at various times
through 2003. Non-U.S. loss carryforwards of $72,378 have an indefinite life. An
income tax benefit of $1,371 and $602 related to employee stock options was
credited to shareholders' equity in 1998 and 1997, respectively. No provision
was made for U.S. taxes payable on undistributed earnings amounting to
approximately $224,918, $167,400 and $167,000 in 1998, 1997 and 1996,
respectively, as such amounts are permanently reinvested.

Note 9. Short-Term Debt

     In April 1998, the Company replaced its existing $125,000 bank credit
facility with a new $250,000 bank credit facility. The new credit facility,
which is provided by a global bank syndicate comprising twelve banks, is
unsecured and has a three-year term. The new credit facility includes
subfacilities for borrowings in foreign currencies and for the issuance of
letters of credit. The base interest rates applicable to borrowings may be fixed
or various floating rates, depending on the type and currency of the borrowing.
Interest spreads and fees are based upon the Company's fixed charge coverage
ratio for the preceding four quarters. The terms of the credit agreement
contain, among other things, limitations on debt of the Company and its
subsidiaries and financial covenants requiring the Company to maintain
compliance with a minimum fixed charge coverage ratio requirement and a maximum
leverage ratio requirement. As of December 31, 1998, the Company was in
compliance with such requirements. At December 31, 1998 and 1997, 


                                      F-18
<PAGE>

$24,308 and $23,001, respectively, were drawn against the credit facilities. The
nominal value of the borrowings approximates fair value. There are no
compensating balance requirements or material commitment fees associated with
the credit facility.

     In addition, the Company has established unsecured lines of credit with
four banks, totaling $45,000, to meet short-term cash requirements of the
business. These unsecured lines of credit provide loans at floating interest
rates. At December 31, 1998, approximately $16,100 was outstanding under these
arrangements.

     The weighted-average interest rates on short-term debt at December 31, 1998
and 1997, respectively, were 2.90% and 0.63%. The Company's short-term
borrowings at December 31, 1998 were in the United States and Japan. At December
31, 1997 the Company's short-term borrowings were in Japan.

Note 10. Financial Instruments with Off-Balance-Sheet Risk

     The Company uses foreign exchange forward contracts to hedge significant
known transactional exposures. The Company conducts its business in a wide
variety of foreign currencies. The Company enters into various foreign exchange
forward contracts to manage its exposure against adverse changes in foreign
exchange rates. The notional amounts for foreign exchange forward contracts
represent the U.S. dollar equivalent of an amount exchanged. Foreign currency
forward exchange contracts are designated for established and committed
transactions that are expected to occur in less than one year. Gains or losses
on such contracts were not material to the consolidated financial statements for
the years ended December 31, 1998 and 1997.

     The following table represents the gross notional amounts of foreign
exchange forward contracts in U.S. dollars:

                                               December 31,
                                          ---------------------
                                            1998           1997
===============================================================
Australian dollars                        $  827         $   --
Japanese yen                                 600             --
German deutsche marks                        482             --
French francs                                397          1,567
Netherland guilders                          149            688
British pounds                               125             --
Spanish pesetas                               93            646
Italian lire                                  92          1,577
Other                                        529            615
- - ---------------------------------------------------------------
   Total                                  $3,294         $5,093
===============================================================
                                                 
     In early 1999, the Company entered into additional foreign exchange forward
contracts totaling $33,964 to hedge other known transactional exposures. These
forward contracts mature in monthly installments at various dates during 1999.

     The Company does not utilize derivative financial instruments for trading
or other speculative purposes.

Note 11. Capital Stock

     The Company has authority to issue 160,000,000 shares of which 150,000,000
represent shares of ACNielsen Common Stock, 5,000,000 represent shares of
Preferred Stock and 5,000,000 represent shares of Series Common Stock. The Board
of Directors is authorized to issue one or more series of Preferred Stock and
Common Stock, and to establish the number of shares in that series, voting
rights (if any), consideration for such shares, and other rights or restrictions
of the shares in that series. At December 31, 1998, no Preferred Stock or Series
Common Stock had been issued.

     In October 1996, the Company adopted a Shareholders' Rights Plan. Under the
plan, each share of the Company's Common Stock has a right which trades with the
stock until the right becomes exercisable. Each right entitles the shareholders
to buy 1/1,000 of a share of Series A Junior Participating Preferred Stock of
the Company at a purchase price of $108 per 1/1,000 of a share, subject to
adjustment. The rights will not be exercisable until a person or group
("Acquiring Person") acquires beneficial ownership of, or commences a tender
offer for, 15% or more of the Company's outstanding Common Stock.

     In the event of such a 15% acquisition or if subsequently the Company is
acquired in a merger or other business combination, as described in the
Shareholders' Rights Plan, each right will entitle its holder (other than the
Acquiring Person) to receive upon exercise, stock with a value of two times the
exercise price in the form of the Company's Common Stock or, where appropriate,
the Acquiring Person's common stock. The Company may redeem the rights, which
expire in October 2006, for $.01 per right, under certain circumstances.

     The terms of the Indemnity and Joint Defense Agreement (see Note 14) limit
the Company's ability to make certain payments ("Restricted Payments"),
including payments for dividends and stock repurchases. Pursuant to such
limitation, the aggregate amount of all Restricted Payments made by the Company
cannot exceed the sum of $15,000 and 20% of the Company's cumulative net
earnings, as defined, from November 1, 1996. The Board of Directors has
authorized the Company to repurchase ACNielsen Common Stock up to the amount
permitted by the Indemnity and Joint Defense Agreement. During 1998, the Company
repurchased 1,204,325 shares of its Common Stock for a total of $29,515.

Note 12. Other Transactions with Affiliates

     Prior to the Distribution Date, the Company participated in D&B's
centralized cash management system to finance its operations. Cash deposits from
most of the Company's businesses were transferred to D&B on a daily basis, and
D&B funded the Company's disbursement bank accounts as required. No interest was
charged on these transactions.

     D&B historically provided certain centralized services to the Company.
Prior to the Distribution Date, expenses related to these services were
allocated to the Company based on utilization of specific services or, where not
estimable, based on assets employed by the Company in proportion to D&B's total
assets. Management believes these allocation methods were reasonable. These
allocations totaled $82,600 for the ten months ended October 31, 1996 and are
included in operating costs and selling and administrative expenses in the
Consolidated Statements of Income. Amounts due to D&B for these expenses were
included in Divisional Equity.

     The Company provided certain services to D&B and affiliates at negotiated
prices. Operating revenue from such services totaled $895 for the ten months
ended October 31, 1996. 


                                      F-19
<PAGE>

Note 12. Other Transactions with Affiliates (Continued)

     Net transfers to/from D&B, included in Divisional Equity, included advances
and loans from affiliates, net cash transfers to/from D&B, third-party
liabilities paid on behalf of the Company by D&B, amounts due to/from D&B for
services and other charges, and income taxes paid on behalf of the Company by
D&B. No interest has been charged on these transactions. The weighted-average
balance due to D&B was $324,578 for the ten months ended October 31, 1996.

     The activity in the net transfers from (to) D&B account, included in
Divisional Equity is summarized as follows:

                                                   Ten Months Ended
                                                   October 31, 1996
===================================================================
D&B services and other charges                            $  88,059
Loans and advances-net                                     (379,189)
U.S. income taxes                                           (12,507)
Cash transfers-net                                          349,847
- - -------------------------------------------------------------------
Net transfers from D&B                                    $  46,210
===================================================================

Note 13. Leases and Other Commitments

     Certain of the Company's operations are conducted from leased facilities,
which are under operating leases. Rental expense under real estate operating
leases, net of sublease rentals, for the years 1998, 1997 and 1996 was $39,361,
$37,021, and $38,427, respectively. The totals include $98 for the ten months
ended October 31, 1996 for facilities usage charged by D&B or an affiliate.

     The Company also leases or participates with D&B in leases of certain
computer and other equipment under operating leases. These leases are frequently
renegotiated or otherwise changed as advancements in computer technology produce
opportunities to lower costs and improve performance. Rental expense under
computer and other equipment leases was $26,248, $23,141 and $26,570 for 1998,
1997 and 1996, respectively.

     At December 31, 1998, the approximate minimum annual rental expense for
real estate and computer and other equipment under operating leases that have
remaining noncancelable lease terms in excess of one year, net of sublease
rentals, is as follows:

                                      Computer &
                                        Other
Years Ended        Real Estate        Equipment
================================================
1999                  $ 37,200          $ 19,818
2000                    31,627            13,550
2001                    26,395             6,028
2002                    16,577             2,508
2003                    11,657             1,727
Thereafter              18,570             5,049
- - ------------------------------------------------
                      $142,026          $ 48,680
================================================


     The Company has agreements with third parties, including D&B, for certain
data processing services, extending beyond one year. At December 31, 1998, the
minimum annual services covered by these agreements are approximately as
follows:

Years Ended
================================================
1999                                     $14,234
2000                                      11,561
2001                                       5,152
2002                                       2,274
2003                                       1,753
Thereafter                                    --
- - ------------------------------------------------
                                         $34,974
================================================

     Prior to the Distribution, the Company entered into certain lease or
sublease agreements with D&B, Cognizant, affiliates or third parties for certain
leased facilities, computer and other equipment, which principally are a
continuation of existing lease commitments at market rates. The commitments are
included in the amounts disclosed above.

Note 14. Litigation

     On July 29, 1996, Information Resources, Inc. ("IRI") filed a complaint in
the United States District Court for the Southern District of New York, naming
as defendants The Dun & Bradstreet Corporation ("Old D&B"), A.C. Nielsen Company
which is a subsidiary of the Company ("ACNielsenCo"), and I.M.S. International,
Inc. ("IMS"), formerly a subsidiary of Cognizant Corporation ("Cognizant") and
currently a subsidiary of IMS Health Incorporated (the "IRI Action").

     The complaint alleges various violations of the United States antitrust
laws, including alleged violations of Sections 1 and 2 of the Sherman Act. The
complaint also alleges a claim of tortious interference with a contract and a
claim of tortious interference with a prospective business relationship. These
latter claims relate to the acquisition by defendants of Survey Research Group
Limited ("SRG"). IRI alleges that SRG violated an alleged agreement with IRI
when it agreed to be acquired by the defendants and that the defendants induced
SRG to breach that agreement.

     IRI's complaint alleges damages in excess of $350,000, which amount IRI has
asked to be trebled under the antitrust laws. IRI also seeks punitive damages in
an unspecified amount.

     By notice of motion dated October 15, 1996, defendants moved for an order
dismissing all claims in the complaint. On May 6, 1997 the United States
District Court for the Southern District of New York issued a decision on the
motion to dismiss. The Court dismissed IRI's claim of attempted monopolization
in the United States with leave to replead within sixty days. The Court denied
defendants' motion with respect to the remaining claims in the complaint.

     On June 3, 1997, defendants filed an answer and counterclaims. Defendants
denied all material allegations of the complaint. In addition, ACNielsenCo
asserted counterclaims against IRI alleging that IRI has made false and
misleading statements about ACNielsenCo's services and commercial activities and
that such


                                      F-20
<PAGE>


conduct constitutes a violation of Section 43(a) of the Lanham Act and unfair
competition. ACNielsenCo seeks injunctive relief and damages.

     On July 7, 1997, IRI filed an amended complaint seeking to replead the
claim of attempted monopolization in the United States, which had been dismissed
by the Court in its May 6, 1997 decision. By notice of motion dated August 18,
1997, defendants moved for an order dismissing the amended claim. On December 1,
1997, the Court denied defendants' motion. Discovery is currently ongoing.

     In connection with the IRI Action, Old D&B, Cognizant (the former parent
company of IMS) and the Company entered into an Indemnity and Joint Defense
Agreement (the "Indemnity and Joint Defense Agreement") pursuant to which they
agreed (i) to certain arrangements allocating potential liabilities ("IRI
Liabilities") that may arise out of or in connection with the IRI Action and
(ii) to conduct a joint defense of such action. In particular, the Indemnity and
Joint Defense Agreement provides that the Company will assume exclusive
liability for IRI Liabilities up to a maximum amount to be calculated at the
time such liabilities, if any, become payable (the "ACN Maximum Amount"), and
that Cognizant and Old D&B will share liability equally for any amounts in
excess of the ACN Maximum Amount. The ACN Maximum Amount will be determined by
an investment banking firm as the maximum amount which the Company is able to
pay after giving effect to (i) any plan submitted by such investment bank which
is designed to maximize the claims paying ability of the Company without
impairing the investment banking firm's ability to deliver a viability opinion
(but which will not require any action requiring stockholder approval), and (ii)
payment of related fees and expenses. For these purposes, financial viability
means the ability of the Company, after giving effect to such plan, the payment
of related fees and expenses and the payment of the ACN Maximum Amount, to pay
its debts as they become due and to finance the current and anticipated
operating and capital requirements of its business, as reconstituted by such
plan, for two years from the date any such plan is expected to be implemented.

     The Indemnity and Joint Defense Agreement also imposes certain restrictions
on the payment of cash dividends and the ability of the Company to purchase its
stock.

     In June 1998, (i) Old D&B changed its name to R.H. Donnelley Corporation
and spun off (the "D&B Spin") a company now named The Dun & Bradstreet
Corporation ("New D&B"), and (ii) Cognizant changed its name to Nielsen Media
Research, Inc. ("NMR") and spun off (the "Cognizant Spin") a company named IMS
Health Incorporated ("IMS Health"). Pursuant to the terms of a Distribution
Agreement dated as of October 28, 1996 among the Company, Old D&B and Cognizant,
New D&B was required as a condition to the D&B Spin, and IMS Health was required
as a condition to the Cognizant Spin, to undertake to the Company to be jointly
and severally liable with its former parent company for, among other things, the
obligations of such former parent company under the Indemnity and Joint Defense
Agreement. Each of New D&B and IMS Health did provide such undertaking to the
Company.

     Management of ACNielsen is unable to predict at this time the final outcome
of the IRI Action or whether its resolution could materially affect the
Company's results of operations, cash flows or financial position.

     The Company and its subsidiaries are also involved in other legal
proceedings and litigation arising in the ordinary course of business. In the
opinion of management, the outcome of such current legal proceedings, claims and
litigation, if decided adversely, could have a material effect on quarterly or
annual operating results or cash flows when resolved in a future period.
However, in the opinion of management, these matters will not materially affect
the Company's consolidated financial position.

Note 15. Supplemental Financial Data

   Accounts Receivable-Net:                           1998            1997
===========================================================================
Trade                                              $232,167        $224,038
Less: allowance for doubtful accounts               (13,890)        (12,114)
Unbilled receivables                                 30,975          21,089
Other                                                30,456          27,808
- - ---------------------------------------------------------------------------
                                                   $279,708        $260,821
===========================================================================
                                                                  
                                                                  
   Other Current Assets:                              1998            1997
===========================================================================
Deferred taxes                                     $ 26,449        $ 11,129
Prepaid expenses                                     30,078          27,294
- - ---------------------------------------------------------------------------
                                                   $ 56,527        $ 38,423
===========================================================================
                                                
                                                
   Property, Plant and Equipment-Net:                 1998            1997
===========================================================================
Land                                               $  4,376         $ 4,545
Buildings                                            48,504          50,216
Computer Hardware and Other Equipment               353,226         363,536
Leasehold Improvements                               32,994          30,356
Less: accumulated depreciation and amortization    (281,436)       (282,993)
- - ---------------------------------------------------------------------------
                                                   $157,664        $165,660
===========================================================================
                                                
                                                
   Accounts Payable:                                  1998            1997
===========================================================================
Trade                                              $ 53,542        $ 47,303
Taxes other than income taxes                        29,641          27,727
Other                                                 7,748          11,878
- - ---------------------------------------------------------------------------
                                                   $ 90,931        $ 86,908
===========================================================================
                                                                  
                                                                  
   Accrued and Other Current Liabilities:             1998            1997
===========================================================================
Salaries, wages, bonuses and                                      
   other compensation                              $ 85,112        $ 66,093
Deferred revenue and advance billings                44,715          44,045
Postemployment benefits                              18,665          41,590
Other                                               159,904         149,794
- - ---------------------------------------------------------------------------
                                                   $308,396        $301,522
===========================================================================



                                      F-21
<PAGE>


Note 15. Supplemental Financial Data (Continued)


                                         Intangibles
   Intangibles and Other Assets,              and        Computer
   Computer Software and Goodwill:       Other Assets    Software       Goodwill
================================================================================
January 1, 1997                           $  48,610     $  37,858     $ 204,022
Additions, at cost                           11,182        14,774        34,885
Amortization                                 (9,883)      (19,037)      (10,114)
Increase in deferred income taxes             2,076            --            --
Foreign translation, asset write-offs
   and other                                  3,016        (8,307)       (8,310)
- - --------------------------------------------------------------------------------
December 31, 1997                            55,001        25,288       220,483
Additions, at cost                           21,412        34,620       120,930
Amortization                                (11,344)      (17,913)      (10,093)
Increase in deferred income taxes             3,405            --            --
Foreign translation, asset write-offs
   and other                                  1,415           593        (2,994)
================================================================================
December 31, 1998                         $  69,889     $  42,588     $ 328,326
================================================================================

     Accumulated amortization of intangibles and other assets, computer
software, and goodwill was $172,974 and $164,285 at December 31, 1998 and 1997,
respectively.

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

Note 16. Operations by Geographic Segment

     The Company, operating globally, delivers market research, information and
analysis to the consumer products and service industries. The Company is
organized into three geographic regions-the Americas; Europe, Middle East and
Africa; and Asia Pacific. A senior executive is responsible for the performance
of each geographic region. The Company evaluates regional performance based on
operating income, prior to special charges and excluding incremental costs of
Year 2000 computer software modifications.

     Financial information by geographic area is summarized as follows.
Inter-area sales were not significant.

<TABLE>
<CAPTION>
                                               Operating      Operating                   Depreciation       Capital        Computer
                                                Revenue    Income (Loss)(1)     Assets    & Amortization  Expenditures(2)   Software
====================================================================================================================================
<S>                                           <C>            <C>             <C>            <C>            <C>            <C>       
1998
United States                                 $  390,374     $   39,041      $  307,623     $   26,346     $    9,675     $   19,089
Canada/Latin America                             188,396         31,797         135,523          9,720          8,231          1,827
- - ------------------------------------------------------------------------------------------------------------------------------------
   Total Americas                                578,770         70,838         443,146         36,066         17,906         20,916
Europe, Middle East and Africa                   589,620         29,158         470,778         32,106         17,618         12,742
Asia Pacific                                     257,006          7,546         211,693         17,706         19,851            962
- - ------------------------------------------------------------------------------------------------------------------------------------
   Total                                      $1,425,396     $  107,542      $1,125,617     $   85,878     $   55,375     $   34,620
====================================================================================================================================
1997
United States                                 $  310,037     $   19,510      $  278,865     $   23,095     $    9,206     $   12,168
Canada/Latin America                             203,978         23,723         144,320         12,526          8,598            216
- - ------------------------------------------------------------------------------------------------------------------------------------
   Total Americas                                514,015         43,233         423,185         35,621         17,804         12,384
Europe, Middle East and Africa                   579,050         21,192         396,087         36,411         18,144          2,275
Asia Pacific                                     298,522         (3,669)        219,836         20,826         12,479            115
- - ------------------------------------------------------------------------------------------------------------------------------------
   Total                                      $1,391,587     $   60,756      $1,039,108     $   92,858     $   48,427     $   14,774
====================================================================================================================================
1996
United States                                 $  286,522     $   (4,912)     $  269,397     $   22,296     $   10,565     $   10,598
Canada/Latin America                             185,516         22,210         136,656         10,459         15,299            728
- - ------------------------------------------------------------------------------------------------------------------------------------
   Total Americas                                472,038         17,298         406,053         32,755         25,864         11,326
Europe, Middle East and Africa                   597,669         21,828         399,890         37,702         25,442         12,443
Asia Pacific                                     288,937        (10,971)        230,125         22,717         14,197            681
- - ------------------------------------------------------------------------------------------------------------------------------------
   Total                                      $1,358,644     $   28,155      $1,036,068     $   93,174     $   65,503     $   24,450
====================================================================================================================================
</TABLE>



                                      F-22
<PAGE>


Note 16. Operations by Geographic Segment (Continued)


<TABLE>
<CAPTION>
   Reconciliation of Segment Operating Income to Pre-Tax Income:            1998                      1997                    1996
====================================================================================================================================
<S>                                                                      <C>                      <C>                      <C>      
Segment Operating Income                                                 $ 107,542                $  60,756                $  28,155
- - ------------------------------------------------------------------------------------------------------------------------------------
Special Charge(1)                                                               --                  (36,000)                      --
Year 2000 Expenses                                                         (15,911)                      --                       --
- - ------------------------------------------------------------------------------------------------------------------------------------
   Reported Operating Income                                                91,631                   24,756                   28,155
Other Income-Net(3)                                                          6,985                   43,788                    2,339
- - ------------------------------------------------------------------------------------------------------------------------------------
   Pre-Tax Income                                                        $  98,616                $  68,544                $  30,494
====================================================================================================================================
</TABLE>

(1) The 1997 special charge of $36,000 ($2,200 in Canada/Latin America, $4,000
    in Europe, Middle East and Africa, $29,800 in Asia Pacific) was recorded in
    the fourth quarter. (See Note 3 to the Consolidated Financial Statements.)

(2) Capital expenditures relate only to long-lived assets and do not include
    additions to intangibles and other assets, and goodwill of $142,342,
    $46,067 and $4,402 in 1998, 1997 and 1996, respectively.

(3) 1997 Other Income-Net includes a non-operating gain on sale of investments
    of $39,039.


Note 17. Earnings Per Share
(Amounts in thousands, except per share data)

<TABLE>
<CAPTION>
   The following table sets forth the computation of basic and diluted earnings per share:           1998         1997         1996
====================================================================================================================================
<S>                                                                                                 <C>          <C>          <C>   
Weighted-average number of Shares Outstanding Basic EPS                                             57,236       57,139       56,712
Dilutive Effect Of:
   Stock Options                                                                                     2,598        1,230          270
- - ------------------------------------------------------------------------------------------------------------------------------------
Weighted-average number of Shares Outstanding and Common Stock Equivalents Diluted EPS              59,834       58,369       56,982
====================================================================================================================================
Net Income                                                                                         $57,209      $35,897      $15,844
====================================================================================================================================
Basic Earnings Per Share                                                                           $  1.00      $   .63      $   .28
====================================================================================================================================
Diluted Earnings Per Share                                                                         $   .96      $   .62      $   .28
====================================================================================================================================
</TABLE>

All periods prior to November 1, 1996 reflect the adjusted share and option
activity of The Dun & Bradstreet Corporation. Options to purchase 1,309,900
shares of common stock at share prices ranging from $26.19 to $27.75 and
1,864,788 shares of common stock at share prices ranging from $16.08 to $17.05
per share were outstanding at the end of the years 1998 and 1996, respectively,
but were not included in the computation of diluted EPS because the options'
exercise price was greater than the average market price of the common shares.


Note 18. Quarterly Financial Data (Unaudited)
(Amounts in thousands, except per share data)

<TABLE>
<CAPTION>
                                                                             Three Months Ended
                                                       =============================================================
                                                         March 31          June 30      September 30     December 31         Year
====================================================================================================================================
<S>                                                     <C>              <C>             <C>             <C>              <C>       
1998
Operating Revenue                                       $  325,801       $  346,495      $  364,665      $  388,435       $1,425,396
Operating Income                                        $      204       $   25,920      $   28,824      $   36,683       $   91,631
Net Income                                              $    1,799       $   16,088      $   17,703      $   21,619       $   57,209
Earnings Per Share:
      Basic                                             $      .03       $      .28      $      .31      $      .38       $     1.00
      Diluted                                           $      .03       $      .27      $      .30      $      .36       $      .96
Average Number of Shares Outstanding:
      Basic                                                 57,359           57,281          57,111          57,197           57,236
      Diluted                                               59,353           59,670          59,013          59,607           59,834
====================================================================================================================================
1997
Operating Revenue                                       $  324,774       $  356,325      $  346,864      $  363,624       $1,391,587
Operating (Loss) Income                                 $   (9,178)      $   18,657      $   23,143      $   (7,866)(1)   $   24,756
Net (Loss) Income                                       $   (4,116)      $   10,249      $   13,731      $   16,033 (2)   $   35,897
(Loss) Earnings Per Share:
      Basic                                             $     (.07)      $      .18      $      .24      $      .28       $      .63
      Diluted                                           $     (.07)      $      .18      $      .23      $      .27       $      .62
Average Number of Shares Outstanding:
      Basic                                                 56,919           57,035          57,209          57,388           57,139
      Diluted                                               56,919           57,536          59,540          59,259           58,369
====================================================================================================================================
</TABLE>

(1) Includes a special charge of $36,000 pre-tax ($28,200 after-tax) or $.49
    per basic share, $.48 per diluted share.

(2) Includes a non-operating gain on the sale of investments of $39,039
    ($28,200 after tax), or $.49 per basic share, $.48 per diluted share.




                                      F-23
<PAGE>

ACNIELSEN CORPORATION

SUMMARY FINANCIAL DATA
(Dollar amounts in millions, except per share data)

<TABLE>
<CAPTION>
                                                                                            Years Ended December 31,
                                                                           ========================================================
                                                                             1998        1997        1996       1995(1)     1994(2)
===================================================================================================================================
<S>                                                                        <C>         <C>         <C>         <C>          <C>    
Income Statement Data:
Operating Revenue                                                          $ 1,425     $ 1,392     $ 1,359     $ 1,281      $ 1,092
Net Income (Loss)                                                          $    57     $    36     $    16     $  (231)     $   (65)
Actual and Pro Forma Earnings (Loss) Per Share of Common Stock:
   Basic(3)                                                                $  1.00     $   .63     $   .28     $ (4.09)     $ (1.15)
   Diluted(3)                                                              $   .96     $   .62     $   .28     $ (4.09)     $ (1.15)
Balance Sheet Data:
Total Assets                                                               $ 1,126     $ 1,039     $ 1,036     $   943      $   958
Long-term Debt                                                             $    23     $     8     $     3     $     6      $     9
===================================================================================================================================
</TABLE>

(1) Net Income (Loss) in 1995 includes a special charge in the fourth quarter
    of $152 million pre-tax ($141 million after-tax or $2.50 per basic and
    diluted share) for costs principally associated with asset impairments,
    software write-offs and contractual obligations that have no future
    economic benefit, and an incremental postemployment benefit expense of $32
    million pre-tax ($24 million after-tax or $.43 per basic and diluted
    share).

(2) Net Income (Loss) includes restructuring expense of $9 million pre-tax in
    1994.

(3) The computation of pro forma Earnings (Loss) per share for the periods
    prior to November 1, 1996 (the Distribution), is based on the average
    number of shares of D&B Common Stock and Common Stock Equivalents
    outstanding during the respective periods, adjusted for the one-for-three
    distribution ratio.


                                      F-24

                                                                   EXHIBIT 21

<TABLE>
<CAPTION>

                             ACNIELSEN CORPORATION
                     LIST OF ACTIVE SUBSIDIARIES - 1/29/99

- - -----------------------------------------------------------------------------------------------------------------------------------
                                                                                                 State or          % Ownership
                  Name                                                                         Country of           100% Except
                                                                                              Incorporation            as Noted
- - -----------------------------------------------------------------------------------------------------------------------------------

<S>                                                                                            <C>                     <C>
                                                                  
A. C. NIELSEN COMPANY                                                                          Delaware
         A. C. Nielsen (Argentina) S.A.                                                        Delaware
                  A.C. Nielsen Argentina S.A.                                                  Argentina
         A. C. Nielsen Ges.mbH                                                                 Austria
                  ANR Piackutato Kft.                                                          Hungary
         A. C. Nielsen Company (Belgium) S.A.                                                  Belgium
                  A. C. Nielsen Company & Co. S.A.                                             Belgium
         A. C. Nielsen do Brasil Ltda.                                                         Brazil
                  ACNielsen.CBPA Ltda.                                                         Brazil
                  ACNielsen Cayman Islands Ltd.                                                Cayman Islands
         SRG Research Canada Ltd.                                                              Canada
                  D.J. Calhoun Marketing & Development Ltd.                                    Canada                  86.0
                           Recherches en Marketing (Quebec) Inc.                               Canada
         ACNielsen Chile Limitada                                                              Chile
                  ACNielsen Chile S.A.                                                         Chile                   51.0
         A. C. Nielsen de Colombia S.A.                                                        Colombia
         ACNielsen Cyprus Limited                                                              Cyprus
                  Amer Nielsen Research                                                        Belarus
                  ANR Amer Nielsen Research Limited d.o.o.                                     Croatia
                  ANR Amer Nielsen Eesti OU                                                    Estonia
                  ANR Amer Nielsen Research Ltd.                                               Kazakhstan
                  ACNielsen Kenya Limited                                                      Kenya
                  UAB ANR Amer Nielsen Research Baltica                                        Lithuania
                  ANR Amer Nielsen Research SRL                                                Moldova
                  ANR Amer Nielsen Research Limited                                            Nigeria
                  ZAO Amer Nielsen Marketing Company Ltd.                                      Russia
                  ZAO Amer Nielsen Plus                                                        Russia
                  ANR Amer Nielsen Research Slovakia s.r.o.                                    Slovakia
                  ANR Amer Nielsen Research raziskovalna druzba, d.o.o.                        Slovenia
                  ANR Amer Nielsen Research Ltd.                                               Uganda
                  ANR Amer Nielsen Research UKRAINE JSC                                        Ukraine
                  ANR Amer Nielsen Research, D.O.O.                                            Yugoslavia
         ACNielsen AIM A/S                                                                     Denmark


<PAGE>


A. C. NIELSEN COMPANY  (Continued)
         Teollisuuden Tielopalvelu Industrial Intelligence Ltd. Oy                             Finland
                  A. C. Nielsen Finland Oy                                                     Finland
                           Finnpanel Oy                                                        Finland                 50.0
         A. C. Nielsen S.A.                                                                    France
                  ACNielsen EDI, S.A.R.L.                                                      France
                  ERIM S.A.                                                                    France
                  Panel de Gestion S.A.R.L.                                                    France
         ACNielsen S.A.                                                                        Greece
         A. C. Nielsen (Dublin) Limited                                                        Ireland
         A. C. Nielsen of Ireland Limited                                                      Ireland
         A. C. Nielsen Italia S.p.A.                                                           Italy
                  ACNielsen CRA  S.r.l.                                                        Italy
                           Telepanel S.A.                                                      Italy
                  ACNielsen SITA S.r.l.                                                        Italy                   80.0
         ACNielsen Japan K.K.                                                                  Japan
         A. C. Nielsen, S.A. de C.V.                                                           Mexico
         A. C. Nielsen (Nederland) B.V.                                                        The Netherlands
                  ANR Amer Nielsen Research CZ, s.r.o.                                         Czech Republic
                  ACNielsen (Polen) B.V.                                                       The Netherlands
                           ANR Amer Nielsen Research Sp. z.o.o.                                Poland
                  ACNielsen South Africa B.V.                                                  The Netherlands
                  ACNielsen South Africa Holdings B.V.                                         The Netherlands
                           Market Research Africa (Proprietary) Limited                        South Africa            65.0
                  Centrum Voor Marketing Analyses B.V.                                         The Netherlands         70.0
                  ACNielsen ZET Arastirma Hizmetleri A.S.                                      Turkey                  85.0
         Neslein Holding (Canada) C.V.                                                         The Netherlands
                  ACNielsen Holding (Canada) B.V.                                              The Netherlands
                           ACNielsen Canada Holding Company                                    Canada
                                    ACNielsen Company of Canada                                Canada
                                            ACNielsen Canada Partnership                       Canada
                                            ACNielsen (Korea) Limited                          Korea



<PAGE>


A. C. NIELSEN COMPANY (Continued)
         Neslein Holding (Spain) C.V.                                                          The Netherlands
                  ASEE Nielsen Holding (Spain) Srl                                             Spain
                           N&P Holding Spain S.L.                                              Spain
                                    A. C. Nielsen Company S.L.                                 Spain
                                            Infoadex S.A.                                      Spain                   50.0
                                    Panel Internacional S.L.                                   Spain
                  Menesta Investments B.V.                                                     Netherlands
                           Neslein Holding (Portugal) SGPS, Lda.                               Portugal
                                    A.C. Nielsen Portugal - Estudos de Mercado Lda.            Portugal
         ACNielsen (NZ) Ltd.                                                                   New Zealand
                  ACNielsen Research (NZ) Limited                                              New Zealand
                           ACNielsen Media Measurement Services (NZ) Ltd.                      New Zealand             75.0
                  ACNielsen Research Services (NZ) Ltd.                                        New Zealand
         ACNielsen Norge AS                                                                    Norway                  98.9
         ACNielsen Reklame-Statistikk AS                                                       Norway                  85.6
         ACNielsen de Puerto Rico, Inc.                                                        Puerto Rico
         ACNielsen (Singapore) Pte. Ltd.                                                       Singapore
         ACNielsen AB                                                                          Sweden
         A. C. Nielsen S.A.                                                                    Switzerland
                  Media Focus                                                                  Switzerland             50.0
         A. C. Nielsen Management Services S.A.                                                Switzerland
         ACN/PIB Partners                                                                      Connecticut             50.01
         ART Holding, L.L.C.                                                                   Delaware
         Nielsen Holdings, Inc.                                                                Delaware
         Nielsen Leasing Corporation                                                           Delaware
         Panel International S.A.                                                              Delaware

A. C. NIELSEN COMPANY LIMITED                                                                  England

ACNIELSEN EDI, INC.                                                                            California
         ACNielsen EDI S.L.                                                                    Spain



<PAGE>


ACNIELSEN EDI II, INC.                                                                         California

ACNIELSEN EDI LIMITED                                                                          England

ACNIELSEN HOLDING GMBH                                                                         Germany
         ACN Marketing Research Holding GmbH                                                   Germany
                  A. C. Nielsen GmbH                                                           Germany
                           A. C. Nielsen Werbeforschung S&P GmbH                               Germany

ACNIELSEN HOLDINGS LIMITED                                                                     Hong Kong
         ACNielsen Management Services Limited                                                 Hong Kong
                  ACNielsen (Asia Pacific) Limited                                             Hong Kong
                           ACNielsen (Taiwan) Limited                                          Taiwan
                  ACNielsen (China) Ltd.                                                       Hong Kong
                           Shanghai ACNielsen Ltd.                                             China                   80.0
                  ACNielsen Group Limited                                                      Hong Kong
                           ACNielsen (Guangzhou) Limited                                       China                   92.0
                  ACNielsen International Research (Hong Kong) Limited                         Hong Kong
                  ACNielsen Holdings Pte. Ltd.                                                 Singapore
                           P.T. ACNielsen Indonesia                                            Indonesia
                           ACNielsen Customized Japan K.K.                                     Japan
                           Hankook Research Co., Ltd.                                          Korea                   50.0
                           ACNielsen (Malaysia) Sdn. Bhd.                                      Malaysia
                                    ACNielsen Marketing Promotions (Malaysia) Sdn. Bhd.        Malaysia
                           ACNielsen Consumer Research Services (Phils.), Inc.                 Philippines
                           ACNielsen Dealer Measurement Services (Phils.), Inc.                Philippines
                           ACNielsen Media Measurement Services (Phils.), Inc.                 Philippines
                                    ACNielsen Monitoring Services (Philippines) Inc.           Philippines
                           ACNielsen Unisearch (Philippines) Inc.                              Philippines
                           ACNielsen Research (Singapore) Pte. Ltd.                            Singapore
                           ACNielsen (Thailand) Limited                                        Thailand
                           ACNielsen (Vietnam) Limited                                         Vietnam


<PAGE>


ACNIELSEN INTERNATIONAL RESEARCH (UNITED STATES) LIMITED                                       New York

ACNIELSEN (ISRAEL) LTD.                                                                        Israel                  90.0

ACNIELSEN MARKETING RESEARCH INDIA PRIVATE LIMITED                                             India  
         ACNielsen Research Services Private Limited                                           India
                  TAM Media Research Private Limited                                           India                   50.0

BBI MARKETING SERVICES, INC.                                                                   Delaware
         BBI Operations, LLC                                                                   Kentucky
         BBIO, Inc.                                                                            Kentucky

CZT/ACN TRADEMARKS, L.L.C.                                                                     Delaware                50.0

NESLEIN HOLDING, L.L.C.                                                                        Delaware

NESLEIN HOLDING (AUSTRALIA) C.V.                                                               The Netherlands
         ACNielsen (Holdings) Pty. Limited                                                     Australia
                  ACNielsen Australia Pty. Limited                                             Australia
                  AGB McNair Holdings Pty. Limited                                             Australia
                           Surveys Australia Research Pty. Limited                             Australia
                                    Tart Research Pty. Limited                                 Australia
                                    ACNielsen Research Pty. Limited                            Australia
                                            McNair Anderson Associates Pty. Limited            Australia
                  ACNielsen Advanced Analytics Pty. Limited                                    Australia
                  Australian Independent Media Data Pty. Limited                               Australia

</TABLE>
<PAGE>


                                                                     Exhibit 23

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


         As   independent   public   accountants,   we  hereby  consent  to  the
incorporation  by  reference  in  the   registration   statements  of  ACNielsen
Corporation  on Form S-8 (File Nos.  333-14085,  333-14753 and 333-58885) of our
report  dated   February  1,  1999   incorporated   by  reference  in  ACNielsen
Corporation's  Form  10-K  for the  year  ended  December  31,  1998  and to all
references to our Firm included in this Form 10-K.






                                                 /s/ARTHUR ANDERSEN LLP

Stamford, Connecticut
March 10, 1999








                                                                    EXHIBIT 24


                            POWER OF ATTORNEY

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below  constitutes  and appoints  Robert J. Chrenc,  Earl H. Doppelt and
Ellenore  O'Hanrahan,  and  each  of  them,  as  his  or  her  true  and  lawful
attorneys-in-fact   and   agents,   with   full   power  of   substitution   and
resubstitution,  for him or her and in his or her name,  place and stead, in any
and all  capacities,  to sign the name of such person in the capacity  indicated
below  opposite the name of such person to the Annual Report for the fiscal year
ended  December 31, 1998 of ACNielsen  Corporation  on Form 10-K and any and all
amendments  thereto and to file the same with all  exhibits  thereto,  and other
documents in connection therewith,  with the Securities and Exchange Commission,
granting unto said  attorneys-in-fact  and agents,  and each of them, full power
and  authority  to do and  perform  each and every act and thing  requisite  and
necessary  to be done in and about the  premises,  as fully to all  intents  and
purposes  as he or she  might  or  could  do in  person,  hereby  ratifying  and
confirming all that said  attorneys-in-fact and agents, or any of them, or their
or his or her substitute or substitutes,  may lawfully do or cause to be done by
virtue hereof. This power of attorney shall expire on March 31, 2000.

         This Power of Attorney has been signed by the following  persons in the
capacities indicated on February 18, 1999.


          Name                                            Title


/s/NICHOLAS L. TRIVISONNO                Chairman, Chief Executive Officer
___________________________________      And Director
Nicholas L. Trivisonno                   



___________________________________      Executive Vice President and Chief 
Robert J. Chrenc                         Financial Officer



___________________________________      Senior Vice President and Controller
Michael S. Geltzeiler


/s/ROBERT H. BEEBY                       Director
___________________________________      
Robert H. Beeby


/s/MICHAEL P. CONNORS                    Director
___________________________________      
Michael P. Connors





<PAGE>




/s/DONALD W. GRIFFIN                     Director
___________________________________      
Donald W. Griffin


/s/THOMAS C. HAYS                        Director
___________________________________      
Thomas C. Hays


/s/KAREN L. HENDRICKS                    Director
___________________________________      
Karen L. Hendricks


/s/ROBERT M. HENDRICKSON                 Director
___________________________________      
Robert M. Hendrickson


/s/ROBERT HOLLAND, JR.                   Director
___________________________________      
Robert Holland, Jr.


/s/ROBERT J LIEVENSE                     Director
___________________________________      
Robert J Lievense


/s/JOHN R. MEYER                         Director
___________________________________      
John R. Meyer


/s/BRIAN B. PEMBERTON                    Director
___________________________________      
Brian B. Pemberton


/s/ROBERT N. THURSTON                    Director
___________________________________      
Robert N. Thurston

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<FISCAL-YEAR-END>                          DEC-31-1998
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