Seracare Life Sciences Inc Watch

from S-8 9 pages Seracare Life Sciences, Inc. 2009 Equity Incentive Plan

from 8-A12G 2 pages 026303 Seracare Life Sciences, Inc. Incorporated Under the Laws of the State of Delaware See Reverse for Certain Definitions Cusip 81747t 10 4 This Certifies That Specimen Is the Record Holder of Fully Paid and Nonassessable Shares of Common Stock, Par Value $0.001 Per Share, of Seracare Life Sciences, Inc. Transferable on the Books of the Corporation by the Holder Hereof in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned by the Transfer Agent and Registered by the Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Countersigned and Registered: American Stock Transfer & Trust Company (New York, New York) Transfer Agent and Registrar by Authorized Signature Dated: Chief Financial Officer and Secretary President and Chief Executive Officer Seracare Life Sciences, Inc

from S-3 2 pages Fully Paid and Nonassessable Shares of Common Stock, No Par Value, of Seracare Life Sciences, Inc. /S/ Jerry L. Burdick [Seal] /S/ Michael Crowley II Secretary President and CEO

from S-8 2 pages Fully Paid and Nonassessable Shares of Common Stock, No Par Value, of Seracare Life Sciences, Inc. /S/ Jerry L. Burdick [Seal] /S/ Michael Crowley II Secretary President and CEO

from S-3 18 pages Amended and Restated Bylaws Seracare Life Sciences, Inc. a California Corporation

from S-8 ~20 pages 2001 Stock Incentive Plan

from 10-12G/A 1 page Form of Seracare Life Sciences Common Stock Cert.