This paper examines the operational risk disclosure levels of 24 brazilian banks and 9 foreign banks based on the Basel Committee recommendations. The information is taken from 2003 and 2004 annual reports and other disclosure instruments. The sample is based on Central Bank of Brazil's Report "50 maiores bancos". It was used an analysis framework of 9 categories and 18 subcategories, based on the Pillar 3 of Basel II, in the "Sound Practices for the Management and Supervision of Operational Risk", in the theoretical review and in a research in which were considered professionals opinions about the categories and subcategories. Non-parametric tests were used. The results showed that the disclosure levels for brazilian and foreign banks, respectively, were of 17.13% and 77.78% in 2003, and 24.31% and 81.48% in 2004. The non-parametric tests showed that foreign banks disclosed more than brazilian banks, and both increased their disclosure levels in 2004.
Operational risk; Operational risk disclosure; Recommendations of the Basel Committee; Financial institutions; Non-parametric tests
