MAJOR TRADE AND PROFESSIONAL PUBLICATION, ONLINE AND RELATED PROPERTY ACQUISITIONS, FIRST QUARTER, 2001.

MAJOR TRADE AND PROFESSIONAL PUBLICATION, ONLINE AND RELATED PROPERTY
ACQUISITIONS, FIRST
                             QUARTER, 2001
                          (arranged by buyer)
Property/Publication            Buyer
Golf World Business & three     Advance Publ./New York
 consumer titles
Automotive Marketing            Advanstar Comm./Boston, MA
 Automotive Body Repair News
 Motor Age
Copernicus: The Marketing       Aegis Group/New York
 Investment Strategy Gp.
Haslam Publications             Amer. Lawyer Media/New York
MediaCentral.com                Brill Media/New York
 (minority interst)
Employer Research Institute     Bus. & Legal Resources/Old
 including legal NLs             Saybrook, CT
Dairy Foods                     Business News Pub./Troy, MI
 Prepared Foods and nine other
 magazines in Cahners'
 Manufacturing, Food
 Processing and Building
 Groups
Medical Device Register         Canon Comm./L.A., CA
Federal Research Report NL      CD Publ./Silver Spirng, MD
three business magazines        Crain Comm./Detroit, MI
remaining interest (51%) in     Cygnus Bus./Westport, CT
 Spencer/Cygnus Regional        Print Network (4 magazines)
Western Exhibitors (25%)        dmg world media/London
iMarket, Inc.                   Dun & Brad./Murray Hill, NJ
"Int. Pool & Spa Expo"          Hanley-Wood/Wash., D.C.
Medical Marketing & Media       Haymarket/London
MCM Group                       Informa Group/London
GSI Office Management (49%)     Info. Holdings/New York
IDRAC division (France)         Info. Holdings/New York
IT Web sites & newsletters      internet.com/Darien, CT
"ShowBiz Expo"                  Knowledge Industry/W.P., NY
Book Publishing Company         Lexis-Nexis/Dayton, OH
Workers' Comp. Report NL        LRP Publ./Horsham, PA
Mental Health Reimbursement     Manisses Comm./Prov., RI
 Advisory NL
Labor Letters, Inc. including   M. Lee Smith/Brentwood, TN
 26 newsletters
Print & online bus. NLs         Mosaic Media/Addison, IL
E-Gov Conference Group          101comm./Chatsowrth, CA
Merchant Magazine Building      Oaks, Alan/Newport Beach, CA
 Products Digest
Hillgate Communications         Penton Media/Cleveland, OH
 including five tech magazines
Nutrition Business Journal      Penton Media/Cleveland, OH
Tech Conferences, Inc.          Penton Media/Cleveland, OH
Brill Media (49%)               Primedia/New York
Automotive Industries           Randall Publ/Tuscaloosa, AL
 Owner Operator
 Commercial Carrier Journal
 RPM
PNV.com                         Randall Publ/Tuscaloosa, AL
Fisherman's News                R.H. Philips/Seattle, WA
Corporate Security NL           Strafford Publ./Atlanta, GA
New Law Online                  Sweet & Maxwell/London
Property/Publication            Seller
Golf World Business & three     New York Times/New York
 consumer titles
Automotive Marketing            Cahners Business/New York
 Automotive Body Repair News
 Motor Age
Copernicus: The Marketing       management/Natick, MA
 Investment Strategy Gp.
Haslam Publications             management/San Diego, CA
MediaCentral.com                Primedia/New York
 (minority interst)
Employer Research Institute     management/Sausalito, CA
 including legal NLs
Dairy Foods                     Cahners Business/New York
 Prepared Foods and nine other
 magazines in Cahners'
 Manufacturing, Food
 Processing and Building
 Groups
Medical Device Register         Medical Econ./Montvale, NJ
Federal Research Report NL      Bus. Publ./Silver Spring, MD
three business magazines        Editorial Urbano/Mexico City
remaining interest (51%) in     Spencer Comm./Timonium, MD
 Spencer/Cygnus Regional
Western Exhibitors (25%)        Universal Shows/S.F., CA
iMarket, Inc.                   management/Waltham, MA
"Int. Pool & Spa Expo"          NSPI/Alexandria, VA
Medical Marketing & Media       management/Boca Raton, FL
MCM Group                       management/New York
GSI Office Management (49%)     management/Germany
IDRAC division (France)         IMS Health/New York
IT Web sites & newsletters      EarthWeb/New York
"ShowBiz Expo"                  Reed Exhibitions/Norwalk, CT
Book Publishing Company         management/Seattle, WA
Workers' Comp. Report NL        BNA/Washington, D.C.
Mental Health Reimbursement     HCM&E/Lovettsville, VA
 Advisory NL
Labor Letters, Inc. including   management/Hermosa Beach, CA
 26 newsletters
Print & online bus. NLs         Pro. Training/Round Rock, TX
E-Gov Conference Group          IT Direct/Reston, VA
Merchant Magazine Building      Cutler Publishing/Newport
 Products Digest                 Beach, CA
Hillgate Communications         management/London
 including five tech magazines
Nutrition Business Journal      NBI/San Diego, CA
Tech Conferences, Inc.          management/Monroe, CT
Brill Media (49%)               Brill Media/New York
Automotive Industries           Cahners Business/New York
 Owner Operator
 Commercial Carrier Journal
 RPM
PNV.com                         PVN Inc./Dallas, TX
Fisherman's News                FNI/Seattle, WA
Corporate Security NL           Corp. Security/Wash., D.C.
New Law Online                  CCH/Chicago, IL
ECAFSA                    Thomson Learning/Stam., CT
EMIS (40%)                VNU Marketing/New York
Gruppo Pubblicita Italia  VNU/Haarlem, Neth.
FindLaw                   West Group/Eagan, MN
Emanuel Publishing Co.    Wolters Kluwer/Chicago, IL
CBF Systems, Inc.         Wolters Kluwer/Chicago, IL
Compliance International  Wolters Kluwer/Chicago, IL
ECAFSA                    management/Mexico City
EMIS (40%)                management/White Plains, NY
Gruppo Pubblicita Italia  management/Milan
FindLaw                   management/Mountain View, CA
Emanuel Publishing Co.    management/Larchmont, NY
CBF Systems, Inc.         management/Fraser, MI
Compliance International  management/Fairfield, NJ