The country’s largest listed winemaker does not expect a turnaround until 2028, with performance at its flagship brand offset by poor sales in North America.

The Penfolds owner’s ill-fated US expansion has taken another hit, with the company writing down the value of the operation by a further $558 million.

The country’s largest listed winemaker does not expect a turnaround until 2028, with performance at its flagship brand offset by poor sales in North America.