Determining Report Content

Calgon Carbon has integrated sustainability at the corporate level. This involves consideration of benefits and impacts associated with (and specific to) the Company's overall activities. As a global leader in providing purification solutions, the Company creates positive impacts by addressing the needs of our customers, developing purification solutions and providing meaningful work for our employees. We also recognize that our operations have effects related to the use of resources and associated environmental impacts.

We continue to evaluate the materiality of all aspects of our operations, and report on those that are material to our operations and our stakeholders.