Core Insights - Marathon Petroleum Corporation (MPC) is expected to report second-quarter earnings on August 5, with a consensus estimate of $3.22 per share and revenues of $30.91 billion [1] Group 1: Previous Quarter Performance - In the last reported quarter, MPC had an adjusted loss of 24 cents per share, which was better than the Zacks Consensus Estimate of a loss of 63 cents, driven by strong performance in the Refining & Marketing segment [2] - Revenues for the last quarter were $31.9 billion, exceeding the Zacks Consensus Estimate of $30.1 billion, although this represented a 4.1% year-over-year decline [2][3] Group 2: Earnings Estimate Trends - The Zacks Consensus Estimate for the second-quarter earnings has been revised downward by 5.8% in the past 60 days, indicating a 21.84% year-over-year decline [4] - The revenue estimate of $30.91 billion for Q2 suggests a 19.43% decrease compared to the same period last year [4][9] Group 3: Business Segments and Performance Drivers - MPC operates primarily through two segments: Refining & Marketing and Midstream, with the former focusing on refining crude oil and distributing refined products, while the latter involves transportation and storage of crude oil and refined products [5] - The midstream segment is expected to have benefited from increased pipeline throughput and steady fee-based tariff income, which may have offset the negative impact of lower crude oil prices [6] - Solid demand for refined products and LPG exports, driven by strengthened overseas markets, is likely to have supported sales volumes and overall revenue [7] Group 4: Challenges and Pressures - MPC is anticipated to face margin pressure due to elevated turnaround and maintenance costs, exacerbated by ongoing and unplanned repairs [8] - The Galveston Bay refinery outage is expected to negatively impact bottom-line results, contributing to operational disruptions and increased repair-related costs [8][10] Group 5: Earnings Prediction Model - The Zacks model does not predict a definitive earnings beat for MPC this season, as the Earnings ESP is -2.74% and the company holds a Zacks Rank of 3 [11][12]