MARATHON OIL CORP

CUSIP: 565849106 Class: COM

AMARILLO NATIONAL BANK's Holding History (CIK: 0001053013)

Note: Option positions (PUT/CALL) are excluded.

Q3 2015
Shares 30,997 Value ($000) $478 Avg Close — Range —
Q2 2015
Shares 20,011 Value ($000) $532 Avg Close — Range —
Q1 2015
Shares 20,011 Value ($000) $522 Avg Close — Range —
Q4 2014
Shares 20,011 Value ($000) $566 Avg Close — Range —