"We've made packaging changes too. For example we lightweighted the Ballygowan bottle which improves cost. And Rockstar and London Essence we brought in house which reduces cost." Britvic highlighted the performance of Tango and Pepsi Max as helping to boost growth, with Tango being the UK's fastest-growing fizzy fruit drink. "Looking ahead, we will be activating a series of exciting marketing and innovation campaigns this summer," Litherland said, pointing to a Pepsi Max partnership for the upcoming UEFA Champions League final.