(Sharecast News) - Britain's biggest sandwich maker Greencore on Thursday said it would pay 195p a share to shareholders as part of already announced £509m buyback.The company in October sold its entire US business to Hearthside Food Solutions for $1.07bn and pledged to return the cash to shareholders.The tender price represents a premium of 17.5% to the closing price of 166p on December 19 and 11.9% to the volume weighted average price over the month to the same date.