NewYork-Presbyterian Healthcare System Expands Business Relationship with Solucient

EVANSTON, IL — January 11, 2007 — NewYork-Presbyterian Healthcare System, a leading global federation of top-quality hospitals, specialty institutes and continuing care centers throughout New York, New Jersey, Connecticut, Texas and the United Kingdom, has expanded its business relationship with Solucient®, a Thomson healthcare business (NYSE: TOC: TSX: TOC), to participate in a system-wide clinical benchmarking program for performance improvement.

NewYork-Presbyterian will be utilizing Solucient's proprietary risk-adjustment methodologies and Professional Services custom solutions expertise to help achieve its clinical performance improvement goals across the system.

"We are excited to be implementing this tool from Solucient in all 33 of our NewYork-Presbyterian System hospitals. By allowing us to better collect and integrate data, including clinical outcomes, we expect this program will help us further improve care for our patients," said Wayne Osten, vice president and acting director, NewYork-Presbyterian Healthcare System.

According to David Foster, Ph.D., chief scientist at Solucient, "Improving clinical performance across a large healthcare system is a complex process; accurate, precise and timely information is crucial for success. Through this business relationship, NewYork-Presbyterian will have access to the industry's most rigorous analytical methodologies, comparative data and reporting capabilities."

"We are pleased that NewYork-Presbyterian has trusted Solucient with the ability to integrate its data resources, and we are looking forward to working collaboratively with the system and its members to support clinical quality initiatives," said Robert Porr, northeast regional director for Solucient.

About NewYork-Presbyterian Hospital
NewYork-Presbyterian Hospital—based in New York City—is the nation's largest not-for-profit, non-sectarian hospital, with 2,224 beds. It provides state-of-the-art inpatient, ambulatory and preventive care in all areas of medicine at five major centers: NewYork-Presbyterian Hospital/Weill Cornell Medical Center, NewYork-Presbyterian Hospital/Columbia University Medical Center, Morgan Stanley Children's Hospital of NewYork-Presbyterian, NewYork-Presbyterian Hospital/Allen Pavilion and NewYork-Presbyterian Hospital/Westchester Division. One of the largest and most comprehensive health-care institutions in the world, the Hospital is committed to excellence in patient care, research, education, and community service. It ranks sixth in U.S.News & World Report's guide to "America's Best Hospitals," ranks first on New York magazine's "Best Hospitals" survey, has the greatest number of physicians listed in New York magazine's "Best Doctors" issue, and is included among Solucient's top 15 major teaching hospitals. The Hospital has academic affiliations with two of the nation's leading medical colleges: Joan and Sanford I. Weill Medical College of Cornell University and Columbia University College of Physicians and Surgeons. For additional information, visit www.nyp.org.

The NewYork-Presbyterian Healthcare System-which includes acute-care and community hospitals, long-term care facilities, ambulatory sites and specialty institutes-is committed to providing high-quality, cost-effective and conveniently accessible care to communities throughout the tri-state metropolitan region. The System serves one in four patients in the New York metropolitan area.

About The Thomson Corporation and Solucient
The Thomson Corporation (www.thomson.com) is a global leader in providing essential electronic workflow solutions to business and professional customers. With operational headquarters in Stamford, Conn., Thomson provides value-added information, software tools and applications to more than 20 million users in the fields of law, tax, accounting, financial services, scientific research and healthcare. The Corporation's common shares are listed on the New York and Toronto stock exchanges (NYSE: TOC; TSX: TOC).

Solucient®, acquired by Thomson in 2006, is the market leader in providing tools and vital insights that healthcare managers use to improve the performance of their organizations. By integrating, standardizing and enhancing healthcare information, Solucient provides comparative measurements of cost, quality and market performance. Solucient's expertise and proven solutions enable providers and pharmaceutical companies to drive business growth, manage costs and deliver high quality care. For more information, visit www.solucient.com.