HOUSTON (AP) – BP PLC is taking a multimillion-dollar broom to sweep away a slew of federal charges linked to energy price fixing, a deadly refinery blast and pipeline leaks and focus on its energy business.

The more than $373 million in settlements announced Thursday are part of the company’s attempt to get rid of the problems left over from the stewardship of former Chief Executive John Browne and move ahead with the recently announced restructuring of Europe’s second-largest oil company.

On top of the fines and restitution, four former BP employees were indicted by a federal grand jury in Chicago on 20 counts of mail and wire fraud connected to a scheme to manipulate energy markets.

The bulk of the fines – $303.5 million – aim to punish BP for conspiring to fix propane prices in 2003 and 2004.

London-based BP also agreed to pay a $50 million fine and plead guilty to a felony for its role in a 2005 explosion at its Texas City refinery that killed 15 employees and injured more than 170 others.

Additionally, it will pay $20 million in criminal fines and restitution to Alaska and the National Fish and Wildlife Foundation for pipeline leaks and spills at Alaska’s Prudhoe Bay, the nation’s largest oil field.

The settlements were made public at U.S. Justice Department news conferences in Washington and Houston.

“These agreements are an admission that, in these instances, our operations failed to meet our own standards and the requirements of the law,” Bob Malone, president and chairman of Houston-based BP America, said in a statement. “For that, we apologize.”

The new legal developments come amid a wide-ranging overhaul at a company that’s had more than safety and operational difficulties in recent years.

Earlier this year, Browne, the man who transformed BP into one of the world’s top energy companies, resigned in disgrace after 12 years at the helm for admitting he lied to a judge when he tried to block a newspaper from printing allegations of wrongdoing made by a former boyfriend.

Tony Hayward, who succeeded Browne on May 1, launched a comprehensive restructuring that includes reducing the number of business units and simplifying management by stripping out some layers.