CORPORATE INFORMATION

ANNUAL MEETING
The Annual Meeting of Stockholders will be held at 2 p.m., ET, on Tuesday, April 28, 2009, at the Edward Nash Theatre at Raritan Valley Community College, Route 28 and Lamington Road, North Branch, NJ.

STOCK TRADING INFORMATION
Merck stock is listed on the New York Stock Exchange (ticker symbol: MRK) and the Paris Stock Exchange.

STOCKHOLDER INFORMATION
Call 800‑522‑9114, Monday through Friday, 8 a.m. to 8 p.m., ET, with questions on stock-related matters, including verification of your holdings, to change your address, to report lost or missing dividends, if you want to transfer your stock, change ownership or if you have lost your stock certificates. You can also write to:

Merck Shareowner Services
Wells Fargo Bank, N.A.
161 N. Concord Exchange
South St. Paul, MN 55075‑1139

You can purchase shares directly from the company through the Merck Stock Investment Plan. Shares also may be purchased by automatic investment each month. Merck's Dividend Reinvestment Plan allows dividends (all or part) to be automatically reinvested to purchase additional Merck shares. For more information, call 800‑522‑9114 or write to the address above.

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
PricewaterhouseCoopers LLP
400 Campus Drive
Florham Park, NJ 07932
973‑236‑4000

NEWS AND INFORMATION

News on Call
Access Merck news 24 hours a day, seven days a week by calling 800‑CALL‑MRK (800‑225‑5675).
Investor Relations
Securities analysts and investment professionals with business-related questions should call Investor Relations at 908‑423‑5881.
Media Relations
Professional journalists should visit merck.com/newsroom or call 908‑423‑6022 for contacts.
Corporate Documents
Visit merck.com or write:
Global Communications, WS1A‑40
Merck & Co., Inc.
One Merck Drive, P.O. Box 100
Whitehouse Station, NJ 08889‑0100
for copies of:
- 2008 Annual Report on Form 10‑K.
- Report on Diversity at Merck.
- Policies of the Board (Merck governance principles).
- Merck Board Committee Charters.
- Merck's Code of Conduct – Our Values and Standards.

CORPORATE RESPONSIBILITY
Information about corporate responsibility at Merck is available at merck.com/ corporate‑responsibility.

THE MERCK MANUALS
Merck publishes unbiased health information as a not‑for‑profit service through The Merck Manuals, a collection of books designed to meet the needs of healthcare professionals, caregivers and patients. For more information on The Merck Manuals, and to access many of them free online as part of Merck's commitment to health, visit merck.com.

PATIENT ASSISTANCE PROGRAMS
Merck offers several programs to give individuals greater access to the medicines and vaccines they need. For more information, visit MerckHelps.com.

FORWARD‑LOOKING STATEMENT
This Annual Report 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 Annual Report should be evaluated together with the many uncertainties that affect Merck's business, particularly those mentioned in the risk factors and cautionary statements in Item 1A of Merck's Form 10-K for the year ended Dec. 31, 2008, and in any risk factors or cautionary statements contained in the Company's periodic reports on Form 10-Q or current reports on Form 8-K, which the Company incorporates by reference.

TRADEMARKS
All product or service marks appearing in type form different from that of the surrounding text are trademarks or service marks owned by or licensed to Merck & Co., Inc., its subsidiaries or affiliates. Zetia is a trademark owned by an entity of the Merck/Schering‑Plough Pharmaceuticals partnership.