This document analyzes the performance of 12 major soft drink brands on Twitter in the UK from December 14, 2014 to January 13, 2015. It finds that Red Bull has the largest Twitter audience with over 100,000 followers. In terms of growth, Monster Energy gained the most new followers over the period. For interactions, Red Bull received the most retweets, mentions, and favorites. The report also provides metrics on posting activity and an engagement score to evaluate audience loyalty for each brand on Twitter.