Company Underscores Commitment to Availability in Worldwide Markets

    COLLEGEVILLE, Pa., Oct. 15 /PRNewswire-FirstCall/ -- Wyeth
Pharmaceuticals, a division of Wyeth (NYSE: WYE), today provided an update
on its global strategy for desvenlafaxine for the treatment of major
depressive disorder (MDD) in adults.

    Desvenlafaxine has already been approved for the treatment of MDD in
adults in the United States, Australia and Brazil, and applications are
currently pending in 22 markets. As part of its global regulatory strategy,
and in consultation with the Committee for Medicinal Products for Human Use
of the European Medicines Agency, the Company has chosen not to pursue its
central European Marketing Authorisation Application at this time. Wyeth
remains committed to making desvenlafaxine available to patients with MDD
around the world, including in Europe. It is available in the United States
under the name PRISTIQ.

    "We are considering a number of options to support depressed patients
and their families," says Gary L. Stiles, M.D., Executive Vice President
and Chief Medical Officer. "There are millions of patients with depression,
and clearly more treatments are necessary."

    Wyeth has a long history of innovation in neuroscience. In 1993, the
Company introduced the first serotonin-norepinephrine reuptake inhibitor,
which has been prescribed to millions of people worldwide. Building on this
research platform, desvenlafaxine represents Wyeth's newest antidepressant
therapy.

    About Wyeth Pharmaceuticals

    Wyeth is one of the world's largest research-driven pharmaceutical and
health care products companies. It is a leader in the discovery,
development, manufacturing and marketing of pharmaceuticals, vaccines,
biotechnology products and non-prescription medicines that improve the
quality of life for people worldwide. The Company's major divisions include
Wyeth Pharmaceuticals, Wyeth Consumer Healthcare and Fort Dodge Animal
Health.

    The statements in this press release that are not historical facts are
forward-looking statements that are subject to risks and uncertainties that
could cause actual results to differ materially from those expressed or
implied by such statements. These risks and uncertainties include, without
limitation, the inherent uncertainty of the timing and success of, and
expense associated with, research, development, regulatory approval and
commercialization of our products and pipeline products (including future
regulatory action regarding our pending applications in other countries for
desvenlafaxine for the treatment of major depressive disorder and the
treatment of vasomotor symptoms, as to which no assurance can be given);
government cost-containment initiatives; restrictions on third-party
payments for our products; substantial competition in our industry,
including from branded and generic products; emerging data on our products
and pipeline products; the importance of strong performance from our
principal products and our anticipated new product introductions; the
highly regulated nature of our business; product liability, intellectual
property and other litigation risks and environmental liabilities;
uncertainty regarding our intellectual property rights and those of others;
difficulties associated with, and regulatory compliance with respect to,
manufacturing of our products; risks associated with our strategic
relationships; economic conditions including interest and currency exchange
rate fluctuations; changes in generally accepted accounting principles;
trade buying patterns; the impact of legislation and regulatory compliance;
risks and uncertainties associated with global operations and sales; and
other risks and uncertainties, including those detailed from time to time
in our periodic reports filed with the Securities and Exchange Commission,
including our current reports on Form 8-K, quarterly reports on Form 10-Q
and annual report on Form 10-K, particularly the discussion under the
caption "Item 1A, RISK FACTORS" in our Annual Report on Form 10-K for the
year ended December 31, 2007, which was filed with the Securities and
Exchange Commission on February 29, 2008. The forward-looking statements in
this press release are qualified by these risk factors. We assume no
obligation to publicly update any forward-looking statements, whether as a
result of new information, future developments or otherwise.

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