exhibit 2. 2 dated september 17, 2008 assignment agreement between petrol ofisi as petrol ofisi arama uretim sanayi ve ticaret anonim sirketi and toreador turkey limited toreador turkey limited, ankara turkey branch toreador resources corporation this assignment agreement ( “ agreement ” ) is made on september 17, 2008 in istanbul. between 1. toreador turkey limited, a company established and operating under the laws of cayman islands, with registered office at m & c corporate services limited, po box 309gt, ugland house, south church street, george town, grand cayman, cayman islands, duly represented for the signature of this present by mr. roy barker ; 2. toreador turkey limited, ankara turkey branch, a branch office established and operating under the laws of turkey, with registered office in cinnah caddesi goreme sokak no : 1 / 3 kavaklıdere, ankara, turkey duly represented for the signature of this present by mr. roy a. barker ; toreador turkey limited and toreador turkey limited, ankara turkey branch shall be hereinafter individually or collectively referred to as “ assignor ”. 3. toreador resources corporation, a company existing under the laws of delaware, usa having its registered address at 13760 noel road, 1100 dallas texas, 75240. and 4. petrol ofisi a. s., a company established and operating under the laws of turkey, with registered office in eski buyukdere caddesi no. 33 / 37 34398 maslak, istanbul, turkey, duly represented by the signature of mr. melih turker and mr. ogeday cagatay ; 5. petrol ofisi arama uretim sanayi ve ticaret anonim sirketi, a company established and operating under the laws of turkey, with registered office in eski buyukdere caddesi no. 33 / 37 34398 maslak, istanbul, turkey, duly represented by the signature of mr. tayfun sumer or mr. gerald r. winkler ; and a subsidiary of petrol ofisi as. petrol ofisi as shall be hereinafter referred to as “ parent ” and petrol ofisi arama uretim sanayi ve ticaret anonim sirketi shall be hereinafter referred to as “ assignee ”. the assignee, parent,