MPC · 8-K · 20260804PR000060
Income Tax Rate Changes
Marathon Petroleum Corp · 2026-08-04 · Importance 44 · Surprise 46
Second-quarter income-tax provision increased to $1.444 billion from $268 million, while income before taxes increased to $6.982 billion from $1.878 billion. The implied effective tax rate was approximately 20.7% in the second quarter of 2026 versus 14.3% in the prior-year quarter. Six-month tax provision increased to $1.627 billion from $305 million on pretax income of $8.016 billion versus $2.261 billion. The six-month adjusted net income reconciliation included a $32 million clean-fuel production tax credit and an $8 million related tax impact.