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SEC declares S-4 of Pfizer effective for Wyeth acquisition


NEW YORK The Securities and Exchange Commission declared effective a registration statement on a form that Pfizer submitted as part of its acquisition of Wyeth, Pfizer announced Thursday.

The Form S-4 registers with the SEC the common stock Pfizer will issue in connection with the acquisition, and includes Wyeth’s proxy statement for its annual meeting of stockholders, which it will convene Saturday, June 20, in Morristown, N.J., and which will include a vote on the merger.

Wyeth’s board of directors has agreed to the acquisition and will recommend that stockholders vote in favor of it, Wyeth announced Thursday. If the stockholders approve, and if other customary closing conditions are met, the company expects the acquisition to be completed in third or fourth quarter 2009.

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