Kotipizza Group Oyj revised earnings guidance for the year ending January 31, 2018. The reasons for the upgrade are the unexpectedly strong sales growth in the Kotipizza chain and the management's updated outlook on sales in the remaining period of the financial year. New outlook: The group estimates for the full financial year that the chain-based net sales will grow by over 10% as compared to the previous financial year and that comparable EBITDA will grow as compared to the previous year. Old outlook: The group estimated for the full financial year that the chain-based net sales will grow by over 5% as compared to the previous financial year and that comparable EBITDA will grow as compared to the previous year.