YPF military coup against Yrigoyen backed by, among others, foreign oil interests. YPF was privatized in 1993 and bought by the Spanish firm Repsol S.A. in 1999; the resulting merger produced 'Repsol YPF'. The renationalization of 51% of the firm was initiated in 2012 by President Cristina Fernández de Kirchner. The government of Argentina eventually agreed to pay $5 billion compensation to Repsol. The company, specializing in the exploration, production, refining and commercialization of petroleum, had its origin in 1907, when oil was discovered near the city of Comodoro Rivadavia in Chubut. Following World War I, oil had become an important
Cristina Fernández de Kirchner with Iran for a joint investigation. Nisman accused the president of signing that memorandum for oil and trade benefits, according to hundreds of hours of wiretaps. On 19 January 2015, he was found dead at his home, a day before a congressional hearing to explain his accusation, which caused a great controversy. As of 2016, both the cases of the AMIA bombing and the death of Nisman remain unresolved, and the courts declined at the time to investigate his denunciation of Kirchner. Mauricio Macri, mayor of Buenos Aires, was elected president in the 2015 presidential elections, defeating the Kirchnerite candidate