The company says it's hoping to keep job losses to a minimum.
Stiff competition from supermarkets is one of the factors to have hit its trading.
The Devon stores are in Exeter, Totnes, Barnstaple and Tiverton.
The full proposals will be released in June.
Bird house destroyed in Exmouth fire
Blaze in garden of house
Exeter man wanted for recall to prison
Stevie Palmer, 31, shouldn't be approached
Has Dartmoor footpath been wrong for 140 years?
Campaign for Abbot's Way maps to change
Man seriously hurt in bottle attack
Teenager arrested on suspicion of grievous bodily harm
Sweeteners offered to Devon dentists
24,000 more appointments needed
Blow as vital Devon M5 upgrade put on ‘maybe’ list
Scheme to upgrade Junction 28 under review
