0000950129-08-002271 Sample Contracts

EXHIBIT A JOINT FILING AGREEMENT

Joint Filing Agreement • April 17th, 2008 • Mitchell Noah Malone III • Oil & gas field exploration services

• Contract Type
  Joint Filing Agreement
• Filed
  April 17th, 2008
• Company
  Mitchell Noah Malone III
• Industry
  Oil & gas field exploration services

The undersigned agree that this Schedule 13D dated April 16, 2008 relating to the common stock, no par value of TransAtlantic Petroleum Corp. shall be filed on behalf of the undersigned.

INVESTMENT AGREEMENT

Investment Agreement • April 17th, 2008 • Mitchell Noah Malone III • Oil & gas field exploration services • Alberta

• Contract Type
  Investment Agreement
• Filed
  April 17th, 2008
• Company
  Mitchell Noah Malone III
• Industry
  Oil & gas field exploration services
• Jurisdiction
  Alberta

This Agreement (this “Agreement”) is entered into as of March 28, 2008 by and between Riata Management, LLC, a limited liability company incorporated under the laws of Oklahoma, having an office in Oklahoma City, Oklahoma (“Riata”) and TransAtlantic Petroleum Corp., a body corporate incorporated under the laws of the Province of Alberta, having an office in Calgary, Alberta (“TransAtlantic” or the “Corporation”);