Wiley-Blackwell Announces Gains in Impact Factors

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For Immediate Release

Wiley-Blackwell Announces Strong Gains in Journal Impact Factors

Hoboken, N.J., July 3, 2007 - Global publisher Wiley-Blackwell, 
which is part of John Wiley & Sons, Inc., today announced strong 
gains in Impact Factors for its journals across the majority of 
subject areas, according to the Thomson ISI(r) 2006 Journal 
Citation Reports.

Wiley-Blackwell now has 321 unique titles which are in the top 
25% by Impact Factor within their subject area.  Impact factors 
are a benchmark of a journal's value and recognize how frequently 
peer-reviewed journals are cited by other researchers.

In the area of social sciences and humanities, Wiley-Blackwell 
now publishes more journals in the Social Science Citation Index 
than any other publisher, a total of 237 titles. Of these, 37 
journals saw an increase in Impact Factor of more than 50%. 
Thirty-nine titles are now ranked in the top 10% of their 
category, more than any other publisher.

Highlights in the medical sciences include Immunological Reviews 
with an Impact Factor of 10.758, an increase of more than 2.338 
from last year. The Journal of Sexual Medicine, which received 
its first Impact Factor in 2006 at 4.676, now ranks fourth in the 
urology and nephrology category.

For the third consecutive year, Ecology Letters increased its 
Impact Factor which is now 7.609 and retains its position as the 
most highly cited primary research journal in Ecology. Insect 
Science, published on behalf of the Chinese Academy of Science, 
also received its first Impact Factor in 2006.

In the field of nanoscience and nanotechnology, the journal Small 
received its first Impact Factor of 6.024, the highest initial 
Impact Factor for a journal specializing in the field.

Angewandte Chemie, a journal of the German Chemical Society, has 
increased its Impact Factor again to 10.232. Electrophoperesis 
also increased its Impact Factor to 4.101, rising for the fourth 
straight year in a row.

The International Journal of Applied Ceramics Technology showed a 
109% increase over last year, and is now ranked the number one in 
the materials science category.

Many Wiley-Blackwell journals also ranked number one in their 
subject category, including Addiction, Journal of Avian Biology, 
Fish and Fisheries, Advanced Synthesis and Catalysis, Arthritis 
and Rheumatism, American Journal of Transplantation, Transactions 
of the Institute of British Geographers, Reviews in Medical 
Virology, Journal of the American Geriatric Society, Mass 
Spectrometry Reviews, Indoor Air, Ultrasound in Obstetrics & 
Gynecology, Child Development, and The Millbank Quarterly.

For more information about Wiley-Blackwell journals, please visit 
Blackwell Synergy at www.blackwell-synergy.com or Wiley 
InterScience at www.interscience.wiley.com.

About Wiley
Founded in 1807, John Wiley & Sons, Inc. provides must-have 
content and services to customers worldwide. Wiley's core 
businesses include scientific, technical and medical journals, 
encyclopedias, books and online products and services; 
professional and consumer books and subscription services; and 
educational materials for undergraduate and graduate students and 
lifelong learners. Wiley has publishing, marketing and 
distribution centers in the U.S., Canada, Europe, Asia and 
Australia. Wiley's European operations are based in Chichester, 
U.K. The Company is listed on the New York Stock Exchange under 
the symbols JWa and JWb. Wiley's Internet site can be accessed at 
www.wiley.com.

About Wiley-Blackwell
Wiley-Blackwell was formed in February 2007 as a result of the 
acquisition of Blackwell Publishing Ltd. by John Wiley & Sons, 
Inc. and the merger between Blackwell and Wiley's Scientific, 
Technical, and Medical business. Together, the companies have 
created a global publishing business with deep strength in every 
major academic and professional field. Wiley-Blackwell publishes 
approximately 1,250 scholarly peer-reviewed journals and an 
extensive collection of books with global appeal. For more 
information on Wiley-Blackwell, please visit 
www.blackwellpublishing.com or http://interscience.wiley.com.