"
Content for the online magazine will be updated on a quarterly basis.4%
Total Market 14,108 14,950 -5. The basis of compilation includes:
- pages are hand counted
- supplement ads are counted if in over 50% of circulation
- house ads are not counted
- inserts are counted if bound in publication
- the database will continually be updated as more accurate information
arrives
All CMP High Tech publications are tracked.

deveopment ganski

Trailing twelve months to March 2005
The market decreased by 5.2% decrease in the
same period. Investors should not rely on forward-looking statements because
they are subject to a variety of risks, uncertainties and other factors that
could cause actual results to differ materially from UBM's expectations.

historians 1889

edu/ideas ) presents practical
applications of that research to help businesses understand their customers,
motivate employees, make strategic investment choices and capture opportunity
in today's dynamic, global marketplace.
Market share of CMP Media's continuing titles year to date was 26.0%

MAJOR CMP TITLES

Quarter 1 2005
+/- Pages % Change
Information Week -111.1 -5.3%
Total Market 65,564 69,147 -5.

His most famous work, A Study of History, was published in twelve volumes between 1934 and 1961 and traces the development of about two dozen civilizations.

failures deveopment

6%
B2B Tech
Publications 12,974 13,538 -4.2% 2. Its diverse products and services include newspapers,
magazines, Internet products, research, direct marketing services, education
and training, trade shows and conferences , and custom publishing.

twelve toynbee

Columbia Ideas at Work (http://www. The
School's faculty is comprised of internationally respected professors and
includes Joseph Stiglitz, 2001 Nobel Laureate for Economics and former chair
for President Clinton's Council of Economic Advisers from 1995 to 1997.8% 27 .2% 100.

1975 ganski

The unique site showcases the
intellectual capital of Columbia Business School's faculty and enables
business practitioners to access cutting-edge ideas and applications relevant
to their business challenges. Online content includes a Q+A with Dean Glenn
Hubbard discussing progressive tax rates and their impact on entrepreneurs as
well as feature articles on venture capital networks , pricing risk in venture
capital and the impact of founder succession. In
addition to its renowned MBA program, Columbia Business School offers the
prestigious Executive MBA (EMBA) and non-degree Executive Education programs.5 -17.8% 89.1%

Discontinued 162 1,606 0.

rather deveopment

9 -7.5 -5.5 -14.0% 28.8% 97.
BASIS OF COMPILATION OF STATISTICS
The statistics, which are the main subject of today's release, are
independently compiled by IMS/Auditor.

1934 ones

Columbia Business School's faculty members -- world-class scholars in
accounting , economics, finance, marketing, management and operations -- engage
in pioneering research on issues that affect how business is transacted.
The inaugural issue of the online magazine focuses on faculty research in
the area of entrepreneurship. CMP's
continuing titles, in the year to March 2005, recorded a 4.9% up
from 26.

Toynbee, 1889-1975, was a professor of international history at the University of London.

owes failures

Carson Professor of
Economics.
Future issues will focus on Risk Management in September 2005 and Emerging
Markets in December 2005.6% compared to the year to March 2004.9% 26.9% 8.9
Network Computing -20. These forward-looking statements reflect
UBM 's current views about future events, business and growth strategy and
financial performance. These forward-looking statements are identified by
their use of terms and phrases such as "believe," "expect ," "plan,"
"anticipate," "on target" and similar expressions identifying forward-looking
statements .

1961 twelve

Knowledge Portal Connects Research Theory to Business Practice

NEW YORK, Bridging business research and practice,
Columbia Business School announced today the launch of Columbia Ideas at Work,
the School's new online knowledge portal.0% 9.
Management does not attempt to update forecasts unless conditions materially
change.

In it, Toynbee famously posits world history as a succession of civilizations rather than states, that these civilizations pass through stages of deveopment , and that the demise of civilizations owes to moral or religious failures rather than external ones .

dozen 1934

New Columbia Business School Web Portal - Columbia Ideas at Work - Links Faculty Research With Business Practice

LONDON,
Summary
Quarter 1 2005
The market decreased by 5.5% in the prior year period.

traces ones

9% 26.5%
Discontinued 0 63 0.7% 26 .9%

Whole Market
Continuing 14,108 14,887 -5.0% 10.

famously 1889

0% 0.9
EE Times -91.6
Dr Dobb's -8.9
VAR Business -49.8% 26.2%
CMP Media Total 17,760 19,680 -9.6%

General Business 6,530 6,954 -6.

moral owes

0% 99.2% 26.3%
Discontinued 162 1,507 0.0%

Source - IMS: Auditor

Notes to Editors:
CMP MEDIA LLC
CMP Media LLC (http://www.
This press release includes statements which are not historical facts and
are considered "forward-looking" within the meaning of Section 27 of the
Securities Act of 1933, as amended.

toynbee ganski

gsb. Accordingly this will be the
last issuance of these statistics.1
Network Magazine -6.7%

B2B Tech Publications 58,872 60,587 -2.

traces failures

"Columbia Business School is a key forum for ideas, and I am proud
that Columbia Ideas at Work makes these innovations easily accessible for
business practitioners.

Columbia Business School
Widely admired for its global and cutting-edge curriculum, Columbia
Business School is one of the leading business schools in the world.2% in advertising page volumes in the twelve
months ended March 2005 compared to the twelve months ended March 2004.0% 100.2% 99.

malaspina 1934

1 -12 .8
CRN -31.

arnold 1975

2% decrease in
advertising page volumes against the year to March 2004.4%
CMP Media Total 3,791 4,022 -5.2% 92.

deveopment ones

6%
General Business 1,134 1,349 -15.0% 0.4 -6.cmp.

ones deveopment

United Business Media: US High Tech Publishing Statistics: Quarter 1 2005

2% 26. CMP determines the
competitive set of publishing titles which are measured on its behalf by IMS
Auditor and periodically adjusts the population to ensure that it is properly
representative of the changing US business technology advertising market in
which CMP competes.

Arnold J.

deveopment 1961

MARKET SEGMENT - ADVERTISING PAGE VOLUMES
QUARTER 1 2005

2005 2004
Change Market Market
2005 2004 04 vs 03 Share Share
Pages Pages % % %
CMP Media
Continuing 3,791 3,959 -4.8% 87.1% 10.

posits ones

columbia.
As with every edition of Columbia Ideas at Work, the launch issue
showcases three types of resources to help business practitioners:

* Research briefs that distill findings into practical applications

* An online magazine with feature articles, research summaries and
faculty Q+As

* A searchable research archive of faculty publications

"Columbia Ideas at Work captures the new innovations and applications that
play a significant role in the evolution of business practice," said Glenn
Hubbard, Columbia Business School Dean and the Russell L.
Since February investors have indicated that these statistics have become of
such diminished relevance for UBM's overall performance that they would
prefer it if they were not published at all.6% 100.2% 2.com) is a leading integrated media company
providing essential information and marketing services to the entire
technology spectrum -- the builders, sellers and users of technology
worldwide.

moral 1975

CMP
Media's continuing High Tech publications recorded a 3.7

TWELVE MONTHS to Date

2005 2004
2005 2004 Change Market Market
Pages Pages % Share % Share %
CMP Media
Continuing 17,598 18,173 -3.5%

Whole Market
Continuing 65,402 67,541 -3.0% 100. Capitalising on its editorial strength, CMP is uniquely positioned
to offer marketers comprehensive, integrated media solutions tailored to meet
their individual needs.

rather ganski

2% 100.0% 90 .0%
Discontinued 0 63 0.

famously volumes

NOTE: In February UBM announced that due to the progressive decline in
the significance of this indicator since its initial publication in 2001 UBM
would publish this analysis quarterly rather than monthly as previously.
Note: that these statistics represent only total advertising page volumes
as counted above, they do not represent paid advertising page volumes nor do
they show the revenue yields which the operators in these market segments
have achieved. UBM
expressly does not undertake any duty to update forward -looking statements.