exhibit 10. 15 master agreement by and between - mr. gora seck, a citizen of the republic of senegal, born in kaolack ( republic of senegal ) on 7 june 1964, residing in avenue nelson mandela, atlantis building 8th floor, dakar, republic of senegal ( hereinafter the “ transferor ” ) and - agro industries corp, an exempted company incorporated in the cayman islands with limited liability with registered office in ground floor, dms house, 20 genesis place, dr. roy ’ s drive, george town, grand cayman, po box 1103 kyi1102, cayman islands, duly represented by chris narborough ( hereinafter the “ transferee ” ) and - tampieri financial group s. p. a., a limited company incorporated under italian law with registered office in via granarolo 177 / 3, faenza ( ra ), italy, duly represented by carlo tampieri / vaientina susanna gava / massimo campadese ( hereinafter “ tfg ” ) and - tampieri s. p. a., a limited company incorporated under italian law with registered office in via granarolo 177 / 3, faenza ( ra ), italy, duly represented by carlo tampieri / valentina susanna gava / massimo campadese ( hereinafter “ tampieri ” ) and - mr. davide tampieri, a citizen of the republic of italy, born in faenza ( ra ), italy, on 8 february 1974, residing in via della valle 1 / a, 48018 faenza ( ra ), italy ( hereinafter “ dt ” ) and - senhuile s. a., a limited company incorporated under the laws of the republic of senegal with registered office at richard toll, yetti yone, ngnith 32600 saint louis, republic of senegal, duly represented by mr. gora seck ( hereinafter the “ company ” ) ( the transferor, the transferee, tfg and dt hereinafter together referred to as the “ parties ” and individually also as a “ party ” ; tampieri and the company hereinafter together referred to as the “ further parties ” and individually also as a “ further party ” ; the parties and the further parties hereinafter together referred to as the “ signees ” and individually also as a “ sign