2Q08 vs 1Q08:
On 30 June 2008, UBS's BIS tier 1 capital ratio stood at 11.6% and its BIS total capital ratio was 15.7%, up from 6.9% and 10.7% respectively on 31 March 2008. During this period, risk-weighted assets (RWA) were reduced by CHF 10.1 billion, or 3.0%. The BIS tier 1 capital increased by CHF 14.6 billion and the BIS total capital by CHF 15.1 billion, primarily related to the rights issue of CHF 15.6 billion on 17 June 2008 (for further details, refer to the sidebar "Rights offering June 2008").