SIGMA-ALDRICH INVESTOR ALERT: Levi & Korsinsky, LLP Investigates The Board Of Directors Of Sigma-Aldrich Corporation In Connection With The Sale Of The Company To Merck -- SIAL

Levi & Korsinsky is investigating the Board of Directors of Sigma-Aldrich Corporation (“Sigma-Aldrich” or “the Company”) (NasdaqGS: SIAL) for possible breaches of fiduciary duty and other violations of state law in connection with the sale of the Company to German drug company Merck.

Click here to learn more about the investigation: http://zlkdocs.com/SIAL-Info-Request-Form_ma-2199, or call: 877-363-5972. There is no cost or obligation to you.

Under the terms of the transaction, Sigma-Aldrich shareholders will receive $140 for each share of Sigma-Aldrich common stock they own. The transaction has a total approximate value of $17 billion. The investigation concerns whether the Board of Sigma-Aldrich breached their fiduciary duties to stockholders by failing to adequately shop the Company before agreeing to enter into this transaction, and whether Merck is underpaying for Sigma-Aldrich shares.

If you own Sigma-Aldrich common stock and wish to obtain additional information, please contact Joseph E. Levi, Esq. either via email at jlevi@zlk.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972, or visit http://zlkdocs.com/SIAL-Info-Request-Form_ma-2199.

Levi & Korsinsky is a national firm with offices in New York, New Jersey, Connecticut and Washington D.C. The firm’s 26 attorneys have extensive expertise in prosecuting securities litigation involving financial fraud, representing investors throughout the nation in securities and shareholder lawsuits. For more information, please feel free to contact any of the attorneys listed below. Attorney advertising. Prior results do not guarantee similar outcomes.

Levi & Korsinsky, LLPJoseph Levi, Esq.Eduard Korsinsky, Esq.30 Broad Street - 24th FloorNew York, NY 10004Tel: (212) 363-7500Toll Free: (877) 363-5972Fax: (866) 367-6510 www.zlk.com

Copyright Business Wire 2010

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