The home bases contain multiple
partnerships around a geographic or program area. Actual results may
differ materially from those indicated by such forward-looking statements
as a result of various important factors, including the factors discussed
in the "Risk Factors" section of our Annual Report on Form 10-K
filed on February 15, 2006 with the SEC.Integrated Solution to Positively Impact How Students Learn Economics and How
Instructors Present Course Materials

MASON, Ohio, Thomson Higher Education, a market-
leading provider of teaching and learning solutions and a part of The Thomson
Corporation (TSX: TOC; NYSE: TOC), and Aplia Inc. Its learning businesses and brands serve the needs of individuals ,
learning institutions, corporations and government agencies with products and
services for both traditional and distributed learning.

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However, this chloramine treatment also may cause pinhole leaks in the copper
tubing carrying the water. "But the research is clear. The campus is recognized for
its comprehensive off-campus merchant program featuring 46 area merchants
at which students spent more than $350,000 on everything from prescriptions
and groceries to auto repair. Thomson Higher
Education is a leading provider of higher education textbooks, software, and
Internet materials for the humanities, behavioral and social sciences,
mathematics and the sciences, and business and economics. For more information, please visit http://www.

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This same tubing is what California law stipulates
plumbers must use as industrial and residential water pipe.

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GREENHOUSE EXEMPLARY CAMPUS SERVICES

West Texas A&M University: for use of the Blackboard Commerce Suite to
save 7,000 human hours by switching from emergency book loan checks to
placing the money on the student 's ID Card.

"It's simply amazing to see the breadth and depth of the winning entries
for the Greenhouse Awards
-- in only the second year of the award's existence," said Michael Chasen,
president and CEO of Blackboard.com/thomson.10 billion, is a global leader in providing
integrated information solutions to business and professional customers.

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To give our customers a range of choices, a number
of product delivery options and price points will be available, including an
online digital edition of the textbook.

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Following federal
guidelines from the Environment Protection Agency (EPA), the Metropolitan
Water District, which supplies over 60% of the drinking water to cities in
California , has switched to the use of chloramines to keep drinking water
bacteria free.

PRESS RELEASE Blackboard Announces Greenhouse Award(TM) Winners

(NASDAQ: BBBB) announced
today the winners of its annual Greenhouse awards recognizing academic
institutions for exemplary use of Blackboard technology solutions to
foster educational innovations. Blackboard is headquartered in Washington,
D.

Blackboard

Educate.
"With this new offering, professors can select their own approach,
combining the right content for their students with the right applications,
for a fully integrated course, " said Paul Romer, founder of Aplia and one of
today's leading economists.

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Exemplary K-12 Course

Fayetteville-Manlius High School: for their Earth Science course which
provides 9th grade students 24/7 access to classroom resources such as
PowerPoint lecture notes, handouts, movies, graphing calculator tools,
Podcasts, Internet links, and various reference materials, through the
Blackboard Learning System. Through its comprehensive offerings and innovative way of
thinking about and applying technology to the challenges of teaching and
learning, the company is poised to transform the classroom experience.

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" Price is referring to recent studies
in Washington, DC that showed dramatically increased levels of lead in the
drinking water as well as detectable copper levels in some tested California
water.

Exemplary Blended Course

University of North Florida: for Community Nursing Service-Learning
Homebase, a community-based service learning curriculum which integrates
all of the universities pre-licensure upper division nursing students into
one of six non-term service -learning "courses" called home bases with a
complementary Blackboard site.

Any statements in this press release about future expectations, plans and
prospects for Blackboard and other statements containing the words
"believes," "anticipates," "plans," "expects," "will," and similar
expressions , constitute forward-looking statements within the meaning of
The Private Securities Litigation Reform Act of 1995."
Thomson South-Western plans to initially integrate materials from its full
line of Principles of economics textbooks, including its worldwide best
selling book, Principles of Economics , 3e by Gregory Mankiw, with Aplia's
suite of teaching tools.aplia.

About Aplia Inc.

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The same anti-bacterial chloramines may
be producing what the EPA calls "aggressive" water with an ability to leach
out the minerals, metals or other materials of whatever it touches or passes
over.
CalPASC not only recommends California change to plastic piping, which
increases water safety and reliability, but also estimates plastic piping
products would save Californians $100 million annually in decreased labor and
materials.com., with offices in North America, Europe and Asia. Everywhere .
These forward-looking statements should not be relied upon as representing
the Company's views as of any date subsequent to March 14, 2006."

Fully Integrated Solution for Active Learning
The Aplia Web-based courses will be closely correlated with the Thomson
textbook chapters , and include online interactive problem sets that follow the
order of topics within the textbook , as well as complete coverage of
subtopics.

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Research presented at
CalPASC's recent Drinking Water Symposium points to copper pipe failure caused
by the use of chloramines in California's water systems . "California is the only state in the U.

University of Pittsburgh: for use of the Blackboard Commerce Suite to
create and maintain multiple advanced data integration points across campus
with their Blackboard Transaction System, Residential Management System,
Persona offline door access, Security and Student Information Systems. With two product suites, the Blackboard Academic
Suite and the Blackboard Commerce Suite , Blackboard is used by
millions of people at academic institutions around the globe, including
colleges, universities, K-12 schools and other education providers, as well
as textbook publishers and student-focused merchants that serve education
providers and their students.
"This alliance continues to expand on one of our highest priorities--to
offer professors and students a range of choices and to create true value that
dramatically enhances the educational experience," said Ed Moura, president of
Thomson Business + Economics. It publishes under
the brands of Thomson Wadsworth, Thomson Brooks/Cole, Thomson South-Western,
Thomson Heinle, and Thomson Schirmer.

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CalPASC Warns Public of Possible Plumbing and Health Dangers

NEWPORT BEACH , Calif. CalPASC exists to advance and
protect the welfare of specialty trade contractors, suppliers and related
businesses and to represent the position of the trade contractor industry in
the California legislative, political, judicial and regulatory arenas.

Thomson Higher Education Announces Strategic Alliance With Aplia for Interactive Learning Solution in Economics

With
operational headquarters in Stamford, Conn.

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Safer water must be
piped in a safer manner. "Through Aplia's technology, students will be
able to interact with relevant economic content in new ways that reinforce
their understanding and move them along the learning curve.

Sites that teach or inform about chemistry and chemistry education , from grade school to college.

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Noted research scientist, Dr.

GREENHOUSE COMMUNITIES OF PRACTICE AWARD

Seton Hall University: for use of the Blackboard Content System to develop
and implement the Standards Portfolio, enabling members of the Seton Hall
community to create and access assessment materials and
e-Portfolios."

About Blackboard

Blackboard Inc. Founded in
1997, Blackboard enables educational innovations everywhere by connecting
people and technology. However, while the
Company may elect to update these forward-looking statements at some point
in the future, the Company specifically disclaims any obligation to do so.

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, Your water might be safer,
but your home is at risk of potential water damage caused by the possible
failure of state-mandated copper piping , warns the California Professional
Association of Specialty Contractors (CalPASC).
To date , there are over 5,000 pin-hole leaks reported in copper after
switching to chloramines. The costs associated with property damage, lower property value
and increased insurance premiums from leaky copper pipes would also be
avoided. In addition, the forward-looking
statements included in this press release represent the Company's views as
of March 14, 2006.

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Chloramines are compounds containing a mixture of chlorine and
ammonia that extend the disinfecting power of chlorine in drinking water . The Greenhouse awards feature three
categories including Exemplary Course, Exemplary Campus Services and
Communities of Practice.blackboard.

GREENHOUSE EXEMPLARY COURSE AWARD

Exemplary Non-Course

Wichita Public Schools: for STEPs (Standards for Teachers through
Educational Projects ), a professional development program to help K-12
teachers learn new technology skills, create project -based lessons, and
meet the International Society for Technology in Education's (ISTE)
National Educational Technology Standards (NETS) for Teachers. The
campus also recently replaced a majority of legacy, non-IP hardware with
new TCP/IP native hardware: vending, laundry, copy and additional network
registers for use all over campus and at the convocation center. Importantly,
professors and students will also be able to choose whether to use a
traditional print textbook or an affordable online e-book in conjunction with
the Aplia courseware. Students gain access to auto-graded problem sets, experiments,
news analyses, tutorials, and real-time interactive reports, while professors
gain immediate access to an entire library of assignments, plus they can
create announcements , manage grades, print performance reports, and more.thomson. Aplia's
current products support the college-level courses Survey of Economics,
Principles of Microeconomics, Intermediate Microeconomics , Advanced
Intermediate Microeconomics, Principles of Macroeconomics and Money and
Banking.

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Eight winners spanning all the categories will
receive a portion of $50,000 in funding aimed at developing and sharing
best practices related to the use of Blackboard solutions for enhancing
education . The complete entries can be
accessed, free of charge at Blackboard's Connections site at
http: //connections. Visitors simply need to click on the
greenhouse tab on the site. It's very exciting to be part of this process, and we look
forward to continued sharing and collaboration of best practices around
this contest and on the Blackboard Connections site. Innovate. Other titles include Principles of Economics, 7e by
William McEachern, Economics: Principles and Policy, 10e, by William Baumol
and Alan Blinder and Economics Today, 4e by Irvin Tucker, to name of a few.

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Larry Sparks, of Sun Health Research
Institute, told the symposium about findings showing a direct link between
copper and early Alzheimer's disease."

The California Professional Association of Specialty Contractors (CalPASC)
is represented and managed by its members.

A Winning Combination-Choice and Value
This alliance is designed to help students better prepare for economics
lessons outside the classroom, so professors can work more effectively in the
classroom.

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, a new-generation
educational publisher specializing in technology solutions, today announced a
strategic alliance that combines Thomson South-Western economics textbooks
with Aplia's integrated online application for active learning .

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Blackboard Inc. The living document format enables teachers
to provide continuous input and best practices which can be shared across
the district. By correlating Thomson South-Western economic content with Aplia's
auto-graded student assignments, online experiments, and course management
tools , students can study key concepts on their own and professors can use
class time to reinforce economic principles and advance a better understanding
of more complex economic models. "This combination offers professors more choice
and flexibility in how they teach economics, plus an engaging and interactive
set of tools to drive student behavior., Thomson (NYSE: TOC; TSX: TOC) has
approximately 38,000 employees and provides services in approximately 130
countries.aplia.

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"CalPASC wants the public to know what they're really drinking," says Beth
Curran, Executive Director of CalPASC's Orange County , Inland Empire chapter.

Following are the winners of this year's Greenhouse Awards, with an
overview of each of their winning entries.

The Amarillo Independent School District: for use of the Blackboard Content
System to create a high-quality, testable curriculum aligned to standards
using a living document format.com.

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that
promotes copper piping by restricting the use of plastic piping alternatives ,"
states Tom Price of CDR Concrete, a former plumbing contractor himself. "With
the safer water treatments, we're seeing not only more leaks nationwide, but
potentially dangerous health effects . The Company anticipates that subsequent events and
developments will cause the Company's views to change.

About The Thomson Corporate and Thomson Higher Education
The Thomson Corporation (http://www. The company, which was founded in 2000 by leading economist Paul
Romer, already has more than 400 schools and 175,000 students using its
products to date.

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"If water treatment is pulling the lead out of old pipes and the copper and
aluminum out of newer metal piping, and these elements are showing up in our
drinking water, shouldn't California join the rest of the country and switch
to non-metallic piping?" While plastic piping, such as CPVC and PEX, is
approved in the Uniform Plumbing Code, the state currently imposes cumbersome
restrictions on its use.

Exemplary Online Course

William Rainey Harper College: for E-Commerce Development, a course which
introduces foundation concepts in E-Commerce and provides students practice
as they create their own e-commerce stores.

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"Of course, we can't calculate the potential savings in health care
expenses," adds Curran .

"We continue to be impressed by the kinds
of innovations we see clients creating and implementing with our
technology.

Available for Fall 2005
The full line of Thomson principles of economics textbooks integrated with
Aplia's interactive solution will be available to professors and students for
the fall semester of 2005. For more information, visit the Aplia
website at http://www.com), with 2004 revenues from
continuing operations of $8.

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Entries were judged by a panel comprised of
leading faculty and administrators involved in the use of technology to
enhance education, including last year's Greenhouse Award winners as well
as Blackboard managers. (NASDAQ: BBBB) is a leading provider of enterprise software
applications and related services to the education industry.

Aplia Inc. is a new-generation, online learning company focused on
providing learning tools that encourage more effort by students and save time
for professors.

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Safer Drinking Water Found to Cause Leaking Pipes

S.C.