EXHIBIT A

JOINT FILING AGREEMENT

The undersigned agree that this Seventh Amendment dated September 10, 2010 relating to the common shares, no par value of TransAtlantic Petroleum Ltd. shall be filed on behalf of the undersigned.

DALEA PARTNERS, LP
By:	Dalea Management, LLC its general partner
By:	/s/ N. Malone Mitchell, 3rd
Name:	N. Malone Mitchell, 3rd
Title:	Manager
DALEA MANAGEMENT, LLC
By:	/s/ N. Malone Mitchell, 3rd
Name:	N. Malone Mitchell, 3rd
Title:	Manager
RIATA TRANSATLANTIC LLC
By:	/s/ N. Malone Mitchell, 3rd
Name:	N. Malone Mitchell, 3rd
Title:	Manager
LONGFELLOW ENERGY, LP
By:	Deut 8, LLC its general partner
By:	/s/ N. Malone Mitchell, 3rd
Name:	N. Malone Mitchell, 3rd
Title:	Manager
DEUT 8, LLC
By:	/s/ N. Malone Mitchell, 3rd
Name:	N. Malone Mitchell, 3rd
Title:	Manager
/s/ N. Malone Mitchell, 3rd
N. MALONE MITCHELL, 3rd