EXHIBIT 99.1

    David R. Carlucci Named Chief Executive Officer of IMS Health;
              David M. Thomas Remains Executive Chairman

    FAIRFIELD, Conn.--(BUSINESS WIRE)--Nov. 9, 2004--The IMS Health
Board of Directors today named David R. Carlucci as chief executive
officer of the company, and elected him to the board of directors,
effective January 1, 2005. Mr. Carlucci currently is president and
chief operating officer of IMS (NYSE:RX).
    Mr. Carlucci succeeds David M. Thomas, who remains executive
chairman of the board of directors. As executive chairman, Mr. Thomas
will continue to focus on the company's long-term growth strategy as
well as develop new business opportunities for the company.
    "Dave Carlucci is an exceptional executive, extremely
well-qualified to lead our business," said Mr. Thomas. "He has played
a prominent role in accelerating IMS's transformation in marketing,
services, sales, and production and has been instrumental in improving
the global execution of our IMS team. I am confident that Dave will
continue our drive to be the best in creating value for both our
customers and shareholders."
    Mr. Carlucci, 50, joined IMS as president and COO in October 2002.
Since that time, he has realigned IMS's global marketing function,
enhanced global sales account management, assembled strong operating
teams and dramatically strengthened consulting and services
capabilities across all regions.
    "I am very excited about the opportunity to lead an organization
that has played such a prominent role in this marketplace for more
than 50 years," said Mr. Carlucci. "At a time of unique challenges and
vigorous competition, the healthcare industry is turning to IMS as a
valued partner to help maximize its success."
    Mr. Thomas, 55, joined IMS in November 2000 and moved decisively
to re-ignite the growth of the business -- articulating a strategy to
enhance IMS's global execution, increase the company's investment in
new data assets, and develop innovative new services. He is widely
credited with re-energizing the business, transforming the company
into a client-focused organization from the top down, establishing a
growing consulting and services business, and building a stronger
management team through effective recruitment and internal
development.
    Before joining IMS, Mr. Carlucci was general manager, IBM
Americas, a $40 billion business comprising all sales and distribution
in the U.S., Canada and Latin America. Prior to that, he held several
roles of increasing responsibility at IBM, including general manager,
IBM's S/390 Division, chief information officer and general manager of
IBM Printing Systems Company. Mr. Carlucci joined IBM in 1976 as a
sales representative. He holds a B.A. in political science from the
University of Rochester and serves on the advisory board for Mitsui
USA, America's Group.

    About IMS

    Operating in more than 100 countries, IMS Health is the world's
leading provider of information solutions to the pharmaceutical and
healthcare industries. With $1.4 billion in 2003 revenue and 50 years
of industry experience, IMS offers leading-edge business intelligence
products and services that are integral to clients' day-to-day
operations, including portfolio optimization capabilities; launch and
brand management solutions; sales force effectiveness innovations;
managed care and over-the-counter offerings; and consulting and
services solutions that improve ROI and the delivery of quality
healthcare worldwide. Additional information is available at
http://www.imshealth.com.

    CONTACT: IMS Health
             Bill Hughes, 203-319-4732
             bhughes@imshealth.com