AG Barr has taken action to improve performance in the second half, including “recipe improvement activity” for Rubicon and the launch of three Rockstar energy drinks.
But it warned the benefits won’t materialise until later in the year.
Profits for the year to January 2020 may be up to 20% lower than the £45.2 million last year as a result. Some exceptional costs may be incurred.
Boss Roger White said: “We are focused on returning to growth.”