The financial institution is one of the first to publicly lay out its level of exposure to the economically troubled country, with other banks likely to be in a similar position.
According to a Credit Suisse paper reported in the Guardian last week, many German, Swiss, French and British banks have money invested in Greece, as well as in other under-threat economies such as Portugal and Spain.
Fears remain among investors that the problems in Greece may spread to other eurozone countries, with credit rating agencies stating they are considering a downgrade of Portugal's debt, reports BBC News.
Earlier this week, the euro hit a 13 month low against the dollar in reaction to the crisis in Greece, which has led to a â¬110 billion bailout package being provisionally agreed for the country.
By Claire Archer