Fuel Distribution Infrastructure

credit / rates affecting interest expense

“For the three months ended March 31, 2026 compared to the same period last year, net income increased by $398 million , or approximately 192%, primarily due to higher Segment Adjusted EBITDA from multiple segments, with the most significant increases driven by the Parkland Acquisition and other acquisitions; these increases were partially offset by increases in depreciation, amortization and accretion and interest expense.”

SUNC 10-Q

restructuring

“This increase was primarily attributable to an increase in average total long-term debt, including debt assumed in the NuStar Acquisition. (Gain) Loss on Disposal of Assets and Impairment Charges .”

SUNC 10-K

demand / volume affecting expense

“For the three months ended March 31, 2026 compared to the same period last year, Segment Adjusted EBITDA related to our Pipeline Systems segment increased due to the net impact of the following: • a $10 million increase in segment profit primarily due to refinery turnarounds and contract expirations in the prior period, improved butane blending, and overall increased market demand; and • a $6 million increase in Adjusted EBITDA related to ET-S Permian; partially offset by • an $8 million increase in expenses primarily due to higher utility costs, maintenance costs and corporate allocations.”

SUNC 10-Q