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Merck Settles Tax Dispute with Internal Revenue Service

WHITEHOUSE STATION, N.J.--(BUSINESS WIRE)--Feb 14, 2007 - Merck & Co., Inc. announced that it has entered into a definitive agreement to settle its previously-disclosed tax disputes with the Internal Revenue Service (IRS). This settlement resolves all of the issues that were in dispute. The agreement essentially brings to a close the IRS's examination of the Company for the period 1993-2001. Under the agreement, the final net cash cost to Merck is expected to be approximately $2.3 billion which covers federal tax, net interest after federal tax deductions and penalties. The impact for years subsequent to 2001 of the previously disclosed tax disputes is included in the settlement although those years remain open in all other respects.

Merck has previously reserved for these items and this settlement is not expected to have any material impact on the Company's annual earnings for 2007.

The Company concluded that given the theoretical amount in disagreement, it was in the Company's best interests to reach this settlement so as to remove the uncertainty and cost of potential litigation. Merck acknowledges that this agreement was reached as a result of the cooperation and reasonableness of the IRS and the Company.

About Merck

Merck & Co., Inc. is a global research-driven pharmaceutical company dedicated to putting patients first. Established in 1891, Merck discovers, develops, manufactures and markets vaccines and medicines to address unmet medical needs. The Company devotes extensive efforts to increase access to medicines through far-reaching programs that not only donate Merck medicines but help deliver them to the people who need them. Merck also publishes unbiased health information as a not-for-profit service. For more information, visit

Forward-Looking Statement

This press release contains "forward-looking statements" as that term is defined in the Private Securities Litigation Reform Act of 1995. These statements are based on management's current expectations and involve risks and uncertainties, which may cause results to differ materially from those set forth in the statements. The forward-looking statements may include statements regarding product development, product potential or financial performance. No forward-looking statement can be guaranteed, and actual results may differ materially from those projected. Merck undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, or otherwise. Forward-looking statements in this press release should be evaluated together with the many uncertainties that affect Merck's business, particularly those mentioned in the cautionary statements in Item 1 of Merck's Form 10-K for the year ended Dec. 31, 2005, and in its periodic reports on Form 10-Q and Form 8-K, which the Company incorporates by reference.


Merck & Co., Inc.
Ray Kerins, 908-423-6022
Graeme Bell, 908-423-5185

Posted: February 2007