Major trade and professional publication, online & related property acquisitions, first quarter, 2002.

MAJOR TRADE AND PROFESSIONAL PUBLICATION, ONLINE & RELATED PROPERTY
ACQUISITIONS, FIRST QUARTER, 2002

Publication/Property                    Buyer

AdCritic.com                            Ad Age Group/New York
AIIM Conference & Expo                  Advanstar Comm./Clev., OH
First Global Media Group                Advanstar Comm./Clev, OH
    Automotive Sourcing
    Automotive Manufacturing Solutions
    Automotive Logistics
    Commercial Vehicle Sourcing
    Interior Motives
    & semi-annuals and annual            magazines
Medicare/Medicaid Library               CCH/Riverwoods, IL
CO. Springs Daily Transcript            Dolan Media/Minneapolis, MN
education books, materials              Houghton Mifflin/Boston, MA
Preaching Resources, Inc.               iExalt/Houston, TX
    Preaching
    Christian Times
ecomSecurity.com                        INT Media Gp./Darien, CT
Freedom Tech. Media Group               Line56 Media/L.A., CA
    Field Force Automation
    Knowledge Management
    CRM
AmericaEconomia (50%)                   management/Miami, FL
Construction-zone.com                   McGraw-Hill/New York
EA-Ratings                              McGraw-Hill/New York
KMV, Inc.                               Moody's/New York
Blackstone Press                        Oxford Univ. Press/Cary, NC
Klutz Publishers                        Scholastic/New York
Arnold Publishing                       Thomson Corp./Toronto
Gardiner-Caldwell Comm.                 Thomson Corp./Toronto, ON
Worldstreet Net                         Thomson Financial/New York
Cozint, Inc.                            United Bus. Media/London
Printed Circuit Design                  UP Media Gp./Atlanta, GA
    PC Fab
    Circuits Assembly
Publicaciones Professionales            VNU/Amsterdam
    Anuncios
    yearbooks, newsletters
Achieva Inc.                            Wash. Post Co./Wash., D.C.
MedScape                                WebMD/Elmwood Park, NJ
ABG Professional Info.                  Wolters Kluwer/Amsterdam
Compliance Tools, Inc.                  Wolters Kluwer/Chicago, IL
Medi-Span                               Wolters Kluwer/Chicago, IL
National Media Technologies             Wolters Kluwer/Chicago, IL
Uniform Info. Services                  Wolters Kluwer/Chicago, IL
Casenotes Publishing                    Wolters Kluwer/Chicago, IL

Publication/Property                    Seller

AdCritic.com                            management/New York
AIIM Conference & Expo                  AIIM/Silver Spring, MD
First Global Media Group                management/London
    Automotive Sourcing
    Automotive Manufacturing Solutions
    Automotive Logistics
    Commercial Vehicle Sourcing
    Interior Motives
    & semi-annuals and annual
Medicare/Medicaid Library               BNA/Washington, D.C.
CO. Springs Daily Transcript            Pioneer Printing/C.S., CO
education books, materials              Gale Gp./Farm. Hills, MI
Preaching Resources, Inc.               management/Brentwood, TN
    Preaching
    Christian Times
ecomSecurity.com                        King Content/Walpole, MA
Freedom Tech. Media Group               Freedom Comm./Irvine, CA
    Field Force Automation
    Knowledge Management
    CRM
AmericaEconomia (50%)                   Dow Jones/S. Brunswick, NJ
Construction-zone.com                   management/New York
EA-Ratings                              IUE/Moscow
KMV, Inc.                               management/S.F., CA
Blackstone Press                        BPP/London
Klutz Publishers                        management/Palo Alto, CA
Arnold Publishing                       management/Alberta, SK
Gardiner-Caldwell Comm.                 management/London
Worldstreet Net                         Worldstreet/Boston, MA
Cozint, Inc.                            ZS Associates/Boston, MA
Printed Circuit Design                  CMP Media/Manhasset, NY
    PC Fab
    Circuits Assemble
Publicaciones Professionales            management/Madrid
    Anuncios
    yearbooks, newsletters
Achieva Inc.                            management/San Mateo, CA
MedScape                                MediaLogic/Hillsboro, OR
ABG Professional Info.                  management/London
Compliance Tools, Inc.                  management/New York
Medi-Span                               Hearst Corp./New York
National Media Technologies             management/New York
Uniform Info. Services                  management/Acton, MA
Casenotes Publishing                    management/Santa Monica, CA