exhibit 10. 4 ( a ) ministry of mines and geology republic of guinea labor - justice - solidarity arrete n° 10629 / mmg / sgg providing for authorization of the assignment of a participating interest between scs corporation and tullow guiunea, ltd. the minister in view of the constitution ; in view of ordinance n° 119 / prg / 86 of september 23, 1986, concerning the petroleum code of the republic of guinea ; in view of decree n° 168 / prg / 86 dated september 23, 1986, concerning the petroleum code of the republic of guinea ; in view of decree / 2010 / 071 / prg / cndd / sgg dated may 10, 2010, concerning approval of the hydrocarbon production sharing contract, as amended, signed by the republic of guinea and scs corporation ; in view of d / 2012 / 109 / prg / sgg / dated october 5, 2012, d / 2012 / 121 / prg / sgg dated november 8, 2012, and d / 2012 / 127 / prg / sgg dated november 28, 2012, concerning the nomination of ministers ; in view of decree n° 339 / sgg / mnree / 87 dated june 24, 1987, concerning approval of the hydrogen production sharing contract model ; in view of arrete / 2010 / 0925 / mmg / sgg dated april 12, 2010, authorizing an assignment of a participating interest, relative to a 23 % share of scs corporation in dana petroleum ; in view of the hydrocarbon production sharing contract signed on september 22, 2006, between the guinean government and the company scs corporation / hyperdynamics, as amended to this date ; resolves article 1 : the republic of guinea authorizes the assignment to tullow guinea ltd., a corporation under english law whose main office is located at 9 chiswick park, 566 chiswick high road, london, w4 5xt, england, amounting to a 40 % participating interest in the hydrocarbon production sharing contract signed on september 22, 2006, between csc [ sic ] corporation and the republic of guinea, as amended to - date ; exhibit 10. 4 ( a ) ministry of mines and geology republic of guinea labor - justice - solidarity ministry of mines and geology ministry of mines and geology republic of guinea republic of guinea labor - justice - solidarity labor - justice - solidarity arrete n° 10629 / mmg /