Picture: Timothy Bernard.

Johannesburg - Platinum producers and Amcu have signed a settlement agreement.

Lonmin spokeswoman Charmane Russell told reporters on Tuesday outside the company's offices in Melrose Arch, north of Johannesburg that the agreement had been signed.

Workers are expected to return to work on Wednesday.

Reporters were waiting to be addressed by Lonmin chief executive Ben Magara.

The platinum miners have been on strike since January 23 this year. - Sapa