24.04.2007 /Bank's Ratings Moody's lifts RZB rating to 'Aa2'. - On Friday Moody's Investor Services released their review of Austrian banks. RZB's long-term rating was upgraded two notches to 'Aa2' from 'A1', the outlook remains stable. The Financial Strength Rating (FSR) was 'C+' and is 'C' now. RZB's short-term rating remains at 'P-1'.