(Eastern time). ProQuest adds math and science simulations to growing line
of online education support materials

ANN ARBOR, Mich.com ) is a leader for in-school reading
solutions and professional development throughout the U.S. Kaplow Communications
510-420-5223 212-221-1713
shannone@kaplowpr.com

linguistics social

Eileen VanEss, 510 -420-5361
ir@leapfrog. ProQuest
is committed to supporting students with quality curriculum materials, and the
acquisition of ExploreLearning leads our expansion into math and science
support ," said DeSeta.
ExploreLearning has garnered a number of awards, including a Diamond Award
in Mathematics from District Administration Magazine and an E-Learning
Innovation Award from Macromedia Corporation; the company was also listed
three times in Eisenhower National Clearinghouse's Digital Dozen. Voyager Expanded
Learning (http://www.voyagerlearning.

sciences natural

, LeapFrog
Enterprises, Inc.m.

S., ProQuest Information
and Learning has acquired ExploreLearning, producers of the world's largest
online simulation library for math and science education. With an objective
of helping learners make sense of complex scientific and mathematical
principles, ExploreLearning offers modular, interactive math and science
simulations (manipulatives) for teachers and students in grades six through
12 .com ) offers more than 1,000 downloadable books along
with lesson plans and other resources. The Leapster library includes a wide
range of software titles that teach essential skills for preschool through 4th
grade. is a leading designer, developer and marketer
of innovative, technology-based learning products and related proprietary
content, dedicated to making learning effective and engaging for all ages, at
home and in schools, around the world. In addition, the
company has created more than 35 stand-alone educational products for children
from birth to 16 years. The LeapFrog SchoolHouse -curriculum programs are currently in more
than 80,000 classrooms across the U.

science materials

m. consumer products are available in six
languages at major retailers in more than 25 countries around the world. with more than 200 interactive books and over 450 skill cards
representing more than 6,000 pages of educational content.
"ExploreLearning brings research-based instructional methods for math and
science to the classroom.explorelearning. Users access the information through the
ProQuest(R) Web-based online information system, Chadwyck-Healey(TM)
electronic and microform resources, UMI(R) microform and print reference
products, eLibrary(TM) and SIRS(R) educational resources, and XanEdu(TM)
online faculty and student resources.; Reading A-Z
(http://www.

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leapfroginvestor.com.

About ProQuest Information and Learning
ProQuest Information and Learning is a world leader in collecting,
organizing , and publishing information worldwide for researchers, faculty, and
students in libraries and schools . LeapFrog SchoolHouse(TM) products have won numerous awards from the
education industry, including the Golden Lamp Award and Distinguished
Achievement Award from the Association of Educational Publishers , the Award of
Excellence from Technology + Learning magazine and the Teacher's Choice Award
from Learning magazine.

linguistics sciences

EMERYVILLE, Calif. Emeryville, California-based LeapFrog
has developed a family of learning platforms that come to life with more than
100 interactive software titles, covering important subjects such as phonics,
reading, math, music, geography, social studies, spelling, vocabulary and
science.

CONTACT:
LeapFrog Enterprises, Inc.com

Its growing base of support materials provides a powerful enhancement to
the way teachers teach and students learn.
ProQuest has a deep commitment to supporting teaching and learning and has
great reach in the K-12 market.
Customer service and technical support contacts will remain unchanged for
customers . Free 30-day trials are available to
educators.readinga-z.

, for the Most
Innovative Toy and Best Educational Toy.

About LeapFrog
LeapFrog Enterprises, Inc.

materials linguistics

(NYSE: LF ), a leading developer of innovative
technology-based educational products, will be presenting at the Smith Barney
Leisure Day Conference in New York City on Thursday, February 17th,
represented by LeapFrog's CEO, Tom Kalinske, and its CFO, Bill Chiasson. The
LeapFrog presentation at the Smith Barney Leisure Conference is scheduled to
begin at approximately 3:25 p. is a leading designer, developer and marketer
of innovative, technology-based learning products and related proprietary
content , dedicated to making learning effective and engaging for all ages, at
home and in schools, around the world."
ExploreLearning operations will remain in Charlottesville, Virginia.S.

LeapFrog's Leapster Learning Platform Rocks the House

The company was founded in 1995 and is
based in Emeryville , California. LeapFrog has developed a family of learning
platforms that come to life with more than 100 interactive software titles,
covering important subjects such as phonics, reading, writing, math , music,
geography, social studies, spelling, vocabulary and science. All rights
reserved.

Contact:
Liz Einbinder Shannon Eis
LeapFrog Enterprises , Inc.

uralic materials

In addition, LeapFrog
executives will be presenting from New York at the American International Toy
Fair on Tuesday, February 22nd at approximately 3:00 p.S. The simulations, called Gizmos(TM ), are designed to
supplement curriculum materials and fully support state and national
curriculum standards," said Al DeSeta, President of K-12, ProQuest Information
and Learning. Customers can continue to access products at
http://www. For more information about ProQuest
Information and Learning, visit http://www.il.Learning Leader Brings Timeless SchoolHouse Rock to Popular Handheld Learning
Platform

EMERYVILLE, Calif. (C) 2005 LeapFrog Enterprises , Inc.

materials instructional

These presentations will be web cast and can be accessed at LeapFrog's
investor web site at http://www.

About LeapFrog
LeapFrog Enterprises, Inc. The
LeapFrog SchoolHouse curriculum programs are currently in classrooms across
the U. With more than 400 Gizmo manipulatives online,
ExploreLearning has helped thousands of students to grasp complex concepts. with over 200 interactive books and
over 450 skill cards representing more than 6,000 pages of educational
content .

social books

(Eastern time). In addition, the company has created more than 35 stand-alone
educational products for ages six months to 16 years.

ProQuest Acquires ExploreLearning

"The use of manipulatives in science and math are proven to aid
student success. We look forward to working together to reach
even more teachers and students.com .
Financial terms of the acquisition were not disclosed . In addition, the company provides
innovative learning solutions that help both teachers and students , such as
products from Voyager Expanded Learning and Reading A-Z.proquest.com . LeapFrog's award -winning U. consumer products are
available in six languages at major retailers in more than 25 countries around
the world.S. All other trademarks are properties
of their respective owners.

science books

LeapFrog Presenting at Smith Barney Leisure Day Conference and New York Toy Fair

LeapFrog's award-winning U.
"As the need for math and science literacy support grows, we will provide
quality products to help support learning in these critical areas.
David Shuster, the founder of ExploreLearning , said, "The entire
ExploreLearning team is delighted about becoming part of the ProQuest family.

LEAPFROG, LEAPFROG SCHOOLHOUSE, and LEAPSTER are trademarks or registered
trademarks of LeapFrog Enterprises, Inc.