In 1996 Banco Santander acquired Grupo Financiero InverMexico. In 2000, Banco Santander Central Hispano acquired Grupo Financiero Serfin of Mexico. On 26 July 2004 Banco Santander Central Hispano announced the acquisition of Abbey National plc. Following shareholders' approval at the EGM of Abbey (95 percent voted in favour, despite vocal opposition from most of those present) and Santander, the acquisition was formally approved by the courts and Abbey became part of the Santander Group on 12 November 2004. In June 2006, Banco Santander Central Hispano purchased almost 20% of Sovereign Bank and acquired the option to buy the bank (at the time, the market value was roughly US$40 per share) for one year beginning in the middle of 2008.