13G Filing: Nokomis Capital and Transatlantic Petroleum Ltd. (TAT)

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SCHEDULE 13G/A

This Amendment No. 2 (this Amendment) to the Schedule 13G (the Schedule 13G) is being filed on behalf of Nokomis
Capital, L.L.C., a Texas limited liability company (Nokomis Capital), and Mr. Brett Hendrickson, the principal of Nokomis Capital, relating to Common shares, par value $0.10 (the Common Stock), of TransAtlantic Petroleum
Ltd., a Bermuda exempted company (the Issuer).

This Amendment relates to Common Stock of the Issuer purchased by Nokomis
Capital through the accounts of certain private funds and managed accounts (collectively, the Nokomis Accounts). Nokomis Capital serves as the investment adviser to the Nokomis Accounts and may direct the vote and dispose of the
5,099,791 shares of Common Stock held by the Nokomis Accounts. As the principal of Nokomis Capital, Mr. Hendrickson may direct the vote and disposition of the 5,099,791 shares of Common Stock held by the Nokomis Accounts.

This Amendment amends and restates the Schedule 13G as set forth below.

Item 1(a)

Name of Issuer.

TransAtlantic Petroleum Ltd.

Item 1(b)

Address of Issuers Principal Executive Offices.

16803 Dallas Parkway

Addison, Texas 75001

Item 2(a)

Name of Person Filing.

Nokomis Capital, L.L.C. (Nokomis Capital) and
Mr. Brett Hendrickson.

Item 2(b)

Address of Principal Business Office, or, if none, Residence.

2305 Cedar Springs Rd.,
Suite 420

Dallas, TX 75201

Item 2(c)

Citizenship or Place of Organization.

Nokomis Capital is a limited liability company
organized under the laws of the State of Texas. Mr. Hendrickson is the principal of Nokomis Capital and is a United States citizen.

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