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1/28/1983
6/19/2000
10/15/2009
10/30/1972
4/16/2003
Howmedica Inc.
Pfizer Inc.
Valleylab, Inc.
Type:     Acquisition
Shares:  .925 shares of Pfizer Common per each share Howmedica Inc.
Basis Allocation: Basis in Howmedica Inc. Carries over to new Pfizer Inc shares.
Type:     Merger
Shares: .448 shares of Pfizer Common per each share Valleylab, Inc.
Basis Allocation: Basis in Valleylab Carries over to new Pfizer Inc shares
Warner-Lambert Co.
Type:     Merger
Shares:2.75 shares of Pfizer
Common per each share
Warner-Lambert common.
Cash Pad for Fractional
shares. Basis Allocation:
Previous basis in Warner-
Lambert carries over to
new Pfizer Inc. shares.
Pharmacia
Type: Merger
Shares:1.4 shares of Pfizer
Common per each share
Pharmacia common. Cash
Pad for Fractional shares.
Basis Allocation: Previous
basis in Pharmacia carries
over to new Pfizer Inc.
shares.
Wyeth
This chart will give you a good visual overview of Pfizer Inc stock splits,name changes,mergers and spin-offs. Also included is Aquisition of Howmedica Inc. and mergers with Valleylab Inc., Warner-Lambert Co., Pharmacia, and Wyeth.
5/25/1970  3 for 1 Stock Split
Record Date: 4/27/1970
6/30/1983 - 2 for 1 Stock Split
Record Date: 5/19/1983
3/31/1991  2 for 1 Stock Split
Record Date: 2/28/1990
6/30/1995 2 for 1 Stock Split
Record Date: 6/1/1995
6/30/1997  2 for 1 Stock Split
Record Date: 6/2/1997
4/20/1970
Name changed from Pfizer (Charles) and Company, Inc.
Type:     Merger
Shares:0.985 shares of Pfizer Common and $33.00 per each share Wyeth.  Cash Paid for Fractional shares.
Basis Allocation: Taxable exchange - Wyeth shareholder's basis in Pfizer Inc. becomes $17.66 per share.

Pfizer Inc.

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