ConocoPhillips to Acquire Marathon Oil in $17 Billion Deal Yahoo FinanceConocoPhillips is buying Marathon Oil in $22.5 billion deal CNNConocoPhillips to Acquire Marathon Oil in $17.1 Billion All-Stock Deal The Wall Street JournalConocoPhillips to buy Marathon Oil in $17.1 billion all-stock deal that bolsters shale assets CNBCConocoPhillips to buy Marathon Oil in $22.5B deal Fox Business