Tyson Foods has indicated its intention to offer 20m class A shares in a public offering.

The US meat group signalled plans to offer US$450m in convertible senior notes, due in 2013, in an underwritten public offering. 

The company granted an overallotment option of 3m in the share offering and $67.5m in the note offering.

Tyson said that an entity, controlled by former chairman Don Tyson, has committed to buying 3m shares in the offering.

The group said proceeds will be used to repay debt and for general corporate purposes, including acquisitions and other investments.