BrightSource Energy Inc Watch

from S-1/A 12 pages BrightSource Energy, Inc. Amendment to the Amended and Restated Investors’ Rights Agreement

from S-1/A 4 pages Fourth Amendment to Warrant Agreement

from S-1/A 4 pages Third Amendment to Warrant Agreement

from S-1/A 4 pages Second Amendment to Warrant Agreement

from S-1/A 4 pages First Amendment to Warrant Agreement

from S-1/A 2 pages Brse This Certificate Is Transferable in South Saint Paul, Mn. BrightSource BrightSource Energy, Inc. Incorporated Under the Laws of the State of Delaware See Reverse Side for Certain Definitions Cusip 109477 10 9 This Certifies That Is the Owner of Fully Paid and Non-Assessable Common Shares, $0.0001 Par Value, of BrightSource Energy, Inc. Transferable on the Books of the Corporation by the Holder Hereof in Person or by Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned and Registered by the Transfer Agent and Registrar. in Witness Whereof, the Said Corporation Has Caused This Certificate to Be Signed by Facsimile Signatures of Its Duly Authorized Officers. Dated: President & Chief Executive Officer BrightSource Energy, Inc. Corporate Seal 2006 Delaware Secretary Countersigned and Registered: Wells Fargo Bank, N.A. by Transfer Agent and Registrar Authorized Signature American Financial Printing Incorporated - Minneapolis

from S-1 12 pages BrightSource Energy, Inc. Preferred Stock Purchase Warrant

from S-1 15 pages Warrant Agreement to Purchase Shares of the Series D Preferred Stock of BrightSource Energy, Inc. Dated as of December 28, 2010

from S-1 8 pages BrightSource Energy, Inc. Amendment to the Amended and Restated Investor Rights Agreement

from S-1 51 pages BrightSource Energy, Inc. Amended and Restated Investors’ Rights Agreement December 28, 2010