This document outlines Tele2's plan to significantly improve productivity over 4 years through their "Challenger Program". The program aims to simplify processes, increase discipline, consolidate technology, and transform support functions. Examples highlighted include consolidating product development, reducing marketing spend, data center consolidation, and increasing the use of shared operations. The program expects to realize annual productivity improvements of 1 billion SEK by 2018 through multi-year investments and restructuring. Tele2 will provide updates on progress at quarterly reporting until the benefits are fully realized.