Greenock-based British Polythene Industries (BPI) said on Monday it is on course to meet its expectations for 2015 despited a rise in raw material costs.

“Trading remains consistent with what was disclosed in our trading update on 11 November 2015,” said BPI in a trading statement.

“Raw material costs increased in November and again in December with a forecast of further increases early next year.”

However BPI said its board remained confident that business was on course to meet its expectations for 2015.

In the six months to June 30, BPI’s operating profit rose 6% to £18 million.

BPI will announce results for the year ended December 31, 2015, on February 29, 2016.