Morrisons lost out to rivals at Christmas after discount shoppers failed to switch from Aldi and Lidl for their festive shopping, chief executive Dalton Philips has admitted.

Morrisons today issued a surprised Christmas update which revealed like-for-likes fell 5.6% over six weeks to January 5 and warned full-year profits would be at the lower end of expectations.

Philips said Morrisons has a greater number of customers than its major grocery rivals who switch from discounters at Christmas for full shops and those shoppers failed to switch.

He told Retail Week: ā€œThose customers are primarily discount shoppers who normally trade up into us at Christmas but we did not see that trade up this year.ā€

He added: ā€œWe are not a discounter, we offer more than a discounter. We can guarantee the provenance and have a wider range but it is a challenge we need to face into.ā€

Aldi has said it achieved its strongest Christmas in the UK to date.

Philips said Morrisons’ lack of exposure in the rapidly growing convenience channel was also a key factor. ā€œThe winners this Christmas have definitely had strong online and convenience sales and you have seen that in our competitors numbers. The Co-op, Tesco and J Sainsbury’s have reported strong convenience numbers and the same for online.ā€

Philips declined to comment on whether his position is under pressure following a promise in November to grow like-for-like sales in the fourth quarter.

He said: ā€œI’m disappointed with our sales performance. When I spoke it was in the context of rising sales, we were feeling good and had a strong Christmas programme in place… 2014 is a big year for us.ā€

Philips said Morrisons also lost out to online grocery players and targeted offers from rivals and revealed Morrisons would begin a trial of an undisclosed marketing ploy to ā€œopen a direct one to one dialogueā€ with shoppers in the next six to eight weeks.

Morrisons' Christmas like-for-likes slump 5.6%

Morrisons' Christmas like-for-likes slump

Morrisons’ like-for-like sales fell 5.6% excluding petrol over the Christmas period, and the grocer warned it now expects full-year profit to be at the lower end of expectations.