Table of Contents 2018 vs. 2017 Segment Results The table below provides additional detail of the percentage change in sales by segment from 2017 to 2018: Volume Price/Mix Currency Translation Impact of Dispositions Total Forest Products Resins —  % 11 % (1 )% (1 )% 9 % Epoxy, Phenolic and Coating Resins (9)% 10% 2 % — % 3% Forest Products Resins Epoxy, Phenolic and Coating Resins Corporate and Other Corporate and Other is primarily corporate, general and administrative expenses that are not allocated to the other segments, such as shared service and administrative functions, unallocated foreign exchange gains and losses and legacy company costs not allocated to the other segments. Corporate and Other charges increased by $5 to $71 compared to 2017, due primarily to higher compensation costs, partially offset by our ongoing cost savings efforts. Segment EBITDA in 2018 increased by $52 to $226 compared to 2017. The increase was driven by increased margins in our base epoxy resins business, as well as the impact of our ongoing cost reduction initiatives, most notably in our phenolic resins business. Net sales in 2018 increased by $63, or 3%, compared to 2017. Pricing positively impacted net sales by $200 due primarily to improved market conditions in our base epoxy resins business and raw material price increases contractually passed through to customers across many of our businesses.Volumes negatively impacted net sales by $189, primarily related to volume decreases in our epoxy specialty business driven by margin optimization. Additionally, volumes in our oilfield business decreased due to highly competitive market conditions. The impact of foreign exchange translation positively impacted net sales by $52, primarily due to the strengthening of the euro and the Chinese yuan against the U.S. dollar in 2018 compared to 2017. Segment EBITDA in 2018 increased by $28 to $285 compared to 2017. This increase was primarily due to improved performance in our North American formaldehyde business, as well as the impact of our ongoing cost reduction initiatives. Net sales in 2018 increased by $143, or 9%, when compared to 2017. Pricing positively impacted net sales by $182, which was primarily due to raw material price increases contractually passed through to customers across many of our businesses. The impact of foreign exchange translation negatively impacted net sales by $21, due largely to the strengthening of the U.S. dollar against the Brazilian real partially offset by the strengthening of the euro and Canadian dollar against the U.S. dollar in 2018 compared to 2017. Volumes were essentially flat in 2018 compared to 2017, decreasing net sales by $1. Lastly, the disposition of our ATG business in the first quarter of 2018 negatively impacted sales by $17. 36