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Marathon Petroleum, a top US refiner, suffers a quarterly loss due to lower margins

Marathon Petroleum reported a loss for the first quarter. The company is the latest U.S. refining firm to be hit by reduced margins in a period of increased maintenance and turnaround activities across the industry.

The company reported that the results represented the second largest planned maintenance quarter of its history.

The Findlay-based company reported a refining margin of $13.38 per bar in the first quarter. This compares to $19.35 in 2024.

Turnaround activity, also known as planned maintenance, is usually performed by refineries in the first quarter of the year to prepare them for the increased demand during summer driving season.

The scheduled downtime limits the refineries' utilization, which in turn affects their ability to maximize margins. It also impacts quarterly performance.

U.S. refinery margins as measured by the 3-2-1 Crack Spread The market has recovered in the first quarter of 2025, after hitting multi-year lows. However, it continues to be under pressure due to lingering challenges.

Rivals Phillips 66, Valero Energy and HF Sinclair reported losses as well.

Marathon CEO Maryann Manen stated in a press release that "we are well positioned to meet the summer demand, as seasonal trends will improve margins. We remain optimistic about its long-term prospects."

Marathon, the largest U.S. refiner in terms of volume, reported that its crude capacity was utilized at 89% during the third quarter, which resulted in a total throughput 2.8 million barrels a day (bpd), up from 2.7 million bpd one year ago.

The company anticipates a total refinery output of 2.9 millions bpd in the second quarter.

The company's net loss for the quarter ended March was $74m, or 24c per share. This compares to a profit in the previous year of $937m, or $2.58/share.

According to data compiled by LSEG, analysts had on average expected a loss per share of 53 cents. (Reporting by Arunima Kumar in Bengaluru; Editing by Sriraj Kalluvila)

(source: Reuters)