1986: Repsol Oil Company was established by INH, and INH completely controlled it.
1989: REPSOL was reorganized by the state through INH, with PSO holding 26%.
199 1 year: natural gas company was established.
1993: repsol enters the international capital market.
1996: Repsol acquired Astra Company, and PSO held the shares of Repsol 1 1%.
1997: REPSOL was privatized, and PSO finally accounted for 10% of REPSOL shares.
1998: Repsol participated in the privatization of YPF.
1999: REPSOL holds 97% shares of Argentine YPF company through two mergers and acquisitions. YPF is an Argentine petrochemical company with considerable strength in Latin America. REPSOL began to enter Latin America through the acquisition of YPF.