Q4 2019 & Full Year 2019 Performance - Q4 2019 revenues were $400 million, a 21% increase compared to 2018[12] - Q4 2019 GAAP operating income was $20 million, a 29% decrease compared to 2018[12] - Q4 2019 adjusted operating income was $31 million, a 12% increase compared to 2018[12] - Full year 2019 revenues were $1.504 billion, a 12% increase compared to 2018[30] - Full year 2019 GAAP operating income was $104 million, a 20% decrease compared to 2018[30] - Full year 2019 adjusted operating income was $148 million, a 12% increase compared to 2018[30] Segment Performance - Harsco Environmental Q4 2019 revenues were $243 million, a 7% decrease compared to 2018[15] - Harsco Clean Earth Q4 2019 revenues were $82 million, a 22% increase compared to 2018[20] - Harsco Rail Q4 2019 revenues were $75 million, an 8% increase compared to 2018[25] 2020 Outlook - The company projects low-single digits percentage increase in revenues and adjusted EBITDA for 2020 versus 2019[32] - The company projects Clean Earth revenues of $310 to $330 million, a high-single digits growth year-over-year[32] - The company projects Rail revenues to increase approximately 30% at the mid-point of the range[32]