Complex sentence: VAB was ranked No1 as the most transparent bank in Ukraine, three years in a row (by S&P in 2009,2010, by Credit rating in 2011), because conservative liquidity management was at the core of bank's business.
Split into simpler sentences: VAB was ranked as the most transparent bank in Ukraine three years in a row (by S&P in 2009,2010, by Credit rating in 2011). Conservative liquidity management was at the core of bank's business.