GC employed two-way communication approach in an identification of GC's materiality issues. Not only that GC focused on internal issues, but also external issues have been taken into consideration as well. The internal issues included, strategic direction of the company, important risks and opportunities of the company, and corporate sustainability assessment results. On the other hands, the external issues embraced stakeholder expectation and interest surveys throughout the value chain, global movement and mega trend
Materiality has been considered annually. Result are paramount importance for decision making of appropriate policies and sustainability strategies.