This document summarizes SemGroup's first quarter 2018 earnings conference call. It discusses SemGroup's non-GAAP financial measures of Adjusted EBITDA and Total Segment Profit, which exclude certain items to make performance more comparable between periods. The document also warns that non-GAAP measures have limitations and should not be considered in isolation as substitutes for GAAP measures. Additionally, the document contains forward-looking statements regarding SemGroup's 2018 operating budget, capital expenditures plan, and recent capital raising activities totaling around $800 million.