Group operating income totaled CHF7.12bn compared with CHF6.09bn in the corresponding period of year 2009.

Group results include an own credit charge of CHF509m, net credit loss expenses of CHF164m and a tax credit of CHF149m, significantly lower than the CHF825m tax credit recorded in the third quarter, the company said.

For 2010, net profit attributable to UBS shareholders was CHF7.2bn compared with a loss of CHF2.7bn in 2009. 2010 diluted earnings per share of CHF1.87 compared with negative CHF0.75 in 2009.

For 2010, return on equity was 15.9 % compared with negative 7.8% at the end of 2009.

Commenting on UBS’s fourth quarter 2010 results, Group CEO Oswald Grubel said: "While we made substantial progress in 2010, we are fully aware that we have to continue to improve our results."