Marathon Petroleum Profit Beats Estimates as Refining Margins Double

Marathon Petroleum Corp. on Tuesday reported its highest quarterly profit in four years, handily beating analyst estimates as disruptions to global crude supplies caused refining margins to soar. The company's shares rose approximately 2.1% in premarket trading following the announcement.

Margin Expansion Drives Results

The U.S. refiner posted an adjusted profit of $17.73 per share for the second quarter ending June 30, significantly above the average analyst estimate of $13.73 per share, according to data from LSEG. The strong performance was underpinned by a doubling of its refining and marketing margin, which reached $36.33 per barrel compared to the same period a year ago.

According to a Reuters report, the sharp increase in profitability for Marathon and rivals like Valero Energy and HF Sinclair was fueled by tight fuel supplies. Geopolitical tensions, including the effective closure of the Strait of Hormuz and attacks on Middle Eastern refineries, have constrained crude flows and boosted margins for gasoline, diesel, and jet fuel.

Operational Performance

Marathon operated at 94% of its crude capacity utilization during the quarter, resulting in a total throughput of 2.9 million barrels per day (bpd). This was slightly below the 97% utilization and 3.1 million bpd throughput reported in the same quarter last year.

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Looking ahead, the company provided guidance for the third quarter, forecasting a total refinery throughput of 3 million bpd.

Renewable Fuels Turn Profitable

The company's renewable diesel segment also delivered a standout performance, posting an adjusted core profit of $258 million. This marks a significant turnaround from the $19 million loss recorded a year ago. Marathon attributed the improvement to stronger margins, increased throughput, and higher values for regulatory credits.

This trend highlights how renewable fuels, which have historically weighed on refiner earnings, are becoming a more significant profit center. The shift is supported by government biofuel mandates and higher conventional diesel prices, which have improved the economics of renewable fuel production.