Transocean Ltd. (NYSE: RIG) (SIX: RIGN) reported net income attributable to controlling interest of $677 million, or $2.09 per diluted share, on revenues of $2.602 billion for the three months ended March 31, 2010. The results compare to net income attributable to controlling interest of $942 million, or $2.93 per diluted share, on revenues of $3.118 billion for the three months ended March 31, 2009. First quarter 2009 results were adversely impacted by certain net charges, after tax, totaling $264 million, or $0.82 per diluted share, consisting of $221 million of impairments on rigs held for sale and $43 million of discrete tax items, merger-related costs and losses on the retirement of debt.