The European Banking Federation (EBF) has welcomed the interim report of the European Banking Authority (EBA) which is aimed at restoring confidence in the methods used to measure the varying degrees of risks inherent to the banking business. The EBF supports the objective to better understand the differences in the calculation of unexpected losses or so called risk weighted assets (RWAs) in a bid to restore confidence in banks risk models. The main finding is that at least 50% of the differences in RWA's are due to reasons that can easily be explained and stem from the structure of the balance sheet and regulatory approaches. The other half of the difference may also be caused by a different interpretation or practical application of the regulation and is not within the scope of the report. It is envisaged that a deeper analysis by the EBA will reveal the causes of those differences.