Comparable store sales surged 15%, excluding China. Total revenue over the period grew by an underlying 34% to £367m with double digit growth across all regions and categories. The European region saw revenues rise by 21% to £107m, with the Asia Pacific region seeing a 67% jump in revenues due to continued expansion in the area. Sales at Burberry 's retail division climbed by 49% to £245m, with outerwear and large leather goods contributing nearly half of mainline growth. The brand's Burberry Prorsum and London lines "outperformed", resulting in double-digit average selling price increases. However, as previously guided, Burberry warned that margin would be down year-on-year reflecting the "weighting of revenue and costs". Total licensing revenue in the first quarter increased by 6% on an underlying basis. Burberry chief executive officer Angela Ahrendts said she was pleased with Burberry's start to the year.