Catalyst Pharmaceuticals Inc. Watch

from 10-K 4 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934, as Amended

from 10-K 4 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934, as Amended

from S-3 51 pages Catalyst Pharmaceuticals, Inc., Issuer and [Trustee], Trustee Indenture Dated as of Debt Securities

from 10-K 6 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934, as Amended

from 8-K 3 pages Amendment No. 2 to Rights Agreement

from S-3 53 pages Catalyst Pharmaceuticals, Inc., Issuer and [Trustee], Trustee Indenture Dated as of Debt Securities

from 8-K 12 pages Amendment No. 1 to Rights Agreement

from S-1/A 15 pages Catalyst Pharmaceutical Partners, Inc. Warrant to Purchase Common Stock

from 8-K 17 pages Catalyst Pharmaceutical Partners, Inc. Warrant to Purchase Common Stock

from 8-K 58 pages Rights Agreement Between Catalyst Pharmaceutical Partners, Inc. and Continental Stock Transfer and Trust Company as Rights Agent Dated as of September 20, 2011

from S-1/A 3 pages Cp Common Stock Catalyst Pharmaceutical Partners, Inc. Common Stock See Reverse for Certain Definitions Incorporated Under the Laws of the State of Delaware Cusip 14888u 10 1 This Certifies That: By: Is the Owner Of: Fully Paid and Nonassessable Shares of the Par Value of $0.001 Each of the Common Stock of Continental Countersigned Catalyst Pharmaceutical Partners, Inc. and Hereinafter Called the “Corporation”, Transferable on the Books of the Corporation by the Holder Hereof in Person, or by His Authorized Attorney, Upon Stock the Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned and Registered by the Transfer Agent and Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Transfer Transfer Registered: Dated: Agent & Trust Authorized and Officer Registrar Company Chairman of the Board of Directors Corporate Secretary