0001144204-06-051640 Sample Contracts

REGISTRATION RIGHTS AGREEMENT

Registration Rights Agreement • December 7th, 2006 • Gran Tierra Energy, Inc. • Crude petroleum & natural gas • New York

• Contract Type
  Registration Rights Agreement
• Filed
  December 7th, 2006
• Company
  Gran Tierra Energy, Inc.
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

This Registration Rights Agreement (this “Agreement”) is made and entered into as of the ___ day of ________ 2006 (the “Effective Date”) between Gran Tierra Energy, Inc. f/k/a. Goldstrike, Inc., a Nevada corporation (the “Company”), and the parties set forth on the signature page and Exhibit A hereto (each, a “Purchaser” and collectively, the “Purchasers”).

SUBSCRIPTION AGREEMENT

Subscription Agreement • December 7th, 2006 • Gran Tierra Energy, Inc. • Crude petroleum & natural gas • New York

• Contract Type
  Subscription Agreement
• Filed
  December 7th, 2006
• Company
  Gran Tierra Energy, Inc.
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

THIS SUBSCRIPTION AGREEMENT (the “Agreement”) is made as of this [____] day of __________ 2005, by and among Goldstrike, Inc., a Nevada corporation (the “Company”), Gran Tierra Energy, Inc. (“Gran Tierra”) and the investor identified on the signature page to this Agreement (the “Investor”).