Marathon Petroleum to Announce Second-Quarter Financial Results During August 4 Conference Call

Marathon Petroleum Corp. (NYSE: MPC) will report its second-quarter 2026 financial results on August 4, 2026, at 11 a.m. EDT, according to AP News. The call comes at a pivotal moment for the nation's largest refiner, which operates about 16% of U.S. refining capacity and is riding a wave of record profits fueled by the global energy crisis.
The August 4 event will also feature a call from MPC's midstream affiliate, MPLX LP, according to Yahoo Finance. Replays of both calls will be available on company websites for two weeks after each broadcast.
MPC's first-quarter 2026 earnings told a striking story. The company posted adjusted earnings per share of $1.65, more than double the analyst estimate of $0.74, according to MarketBeat. Revenue hit $34.57 billion, beating forecasts by 3.22%. Operating income surged 172% year over year to $1.23 billion.
The driver was the "crack spread" — the gap between crude oil costs and what refined products like gasoline sell for. That margin widened to $17.74 per barrel in Q1, up from $13.38 a year earlier, according to TIKR. MPC's refineries ran at 89% utilization with "nearly 100% capture," CEO Maryann Mannen said on the Q1 earnings call. MPC stock hit a 52-week high of $272.46 on June 3.
The U.S.-Israel military campaign against Iran, launched February 28, upended global oil markets. Iran closed the Strait of Hormuz on March 4, cutting off roughly 20% of the world's oil supply and 6 million barrels per day of refined products, according to Atlantic Council. Brent crude surged past $120 per barrel before settling near $100 in June.
Unlike Asian and European rivals, MPC sources most of its crude from the U.S. and Canada. That kept the company insulated from the maritime blockade. While competitors scrambled, MPC accelerated 40% of its planned maintenance work into Q1, freeing capacity for peak summer demand, according to Morningstar.
Not everyone sees MPC's gains as a success story. On June 15, Senators Elizabeth Warren and Sheldon Whitehouse demanded data from seven major oil companies, including MPC, about profits made during the crisis. Warren wrote that the industry delivered "strong results while American families paid more at the pump," according to Minority News.
Gas prices hit a national average of $4.56 per gallon in May, with California topping $6.00, according to CBS News. High fuel costs helped push April inflation up 3.8% and wholesale prices up 6%. Democratic lawmakers have revived calls for a Windfall Profit Tax — a levy targeting profits seen as tied to crisis-driven price hikes — ahead of the 2026 midterm elections.
Wall Street is divided ahead of the August 4 call. Mizuho raised its MPC price target to $284, while TD Cowen went to $320, both citing strong refining execution and MPC's $8.6 billion share repurchase program, according to MarketBeat. In Q1 alone, MPC returned $1.0 billion to shareholders.
But UBS and Morningstar warn that peak margins may be behind the company. If the U.S. and Iran reach a deal to reopen the Strait of Hormuz, crack spreads could narrow fast. The August call will likely center on three questions: how long high margins hold, how fast buybacks continue, and whether a Windfall Profit Tax gains real traction in the Senate.
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