X0306 4 2018-02-07 1 0001092289 TRANSATLANTIC PETROLEUM LTD. TAT 0001541055 Nokomis Capital, L.L.C. 2305 CEDAR SPRINGS RD., SUITE 420 DALLAS TX 75201 0 0 1 0 0001337431 Hendrickson Brett 2305 CEDAR SPRINGS RD., SUITE 420 DALLAS TX 75201 0 0 1 0 Common shares, par value $0.10 2018-02-07 4 S 0 43842 1.6061 D 5055949 I See Footnote Common shares, par value $0.10 2018-02-08 4 S 0 24058 1.6588 D 5031891 I See Footnote The filing of this Form 4 shall not be construed as an admission that Nokomis Capital, L.L.C. ("Nokomis Capital") or Brett Hendrickson, the manager of Nokomis Capital, is or was for the purposes of Section 16(a) of the Securities Exchange Act of 1934, as amended, or otherwise the beneficial owner of any of the Common shares, par value $0.10 (the "Common Stock"), of TransAtlantic Petroleum Ltd. (the "Issuer") purchased by certain private investment funds advised by Nokomis Capital (collectively, the "Nokomis Accounts"). Pursuant to Rule 16a-1, both Nokomis Capital and Mr. Hendrickson disclaim such beneficial ownership. The sale price represents a weighted average of the sale price for multiple transactions on the same trading day. The range of sale prices was $1.59 to $1.64. The Reporting Persons will provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. Nokomis Capital holds indirectly the shares of Common Stock of the Issuer through the Nokomis Accounts, for which Nokomis Capital is the Investment Manager. Brett Hendrickson reports the Common Stock held indirectly by Nokomis Capital because, as the manager of Nokomis Capital at the time of purchase, he controlled the disposition and voting of the securities. The sale price represents a weighted average of the sale price for multiple transactions on the same trading day. The range of sale prices was $1.62 to $1.70. The Reporting Persons will provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. /s/ Brett Hendrickson, manager of Nokomis Capital, L.L.C. 2018-02-08 /s/ Brett Hendrickson 2018-02-08