Ketchup maker Heinz Co. said on Monday it has received all regulatory approvals needed to sell itself to Warren Buffett's Berkshire Hathaway Inc. and Brazilian financier Jorge Paulo Lemann's private equity firm 3G Capital.

In February, Buffett and Lemann revealed their plan to team up to buy Heinz for $23.2 billion. The deal was approved by Heinz shareholders on April 30.

The companies expect the deal to close on or about June 7, Heinz said in a statement.