MARATHON OIL CORP

CUSIP: 565849106 Class: COM

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

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

Q4 2019
Shares 25,472 Value ($000) $346 Avg Close — Range —
Q3 2019
Shares 25,472 Value ($000) $313 Avg Close — Range —
Q2 2019
Shares 25,800 Value ($000) $367 Avg Close — Range —
Q1 2019
Shares 25,672 Value ($000) $429 Avg Close — Range —
Q4 2018
Shares 25,672 Value ($000) $368 Avg Close — Range —
Q3 2018
Shares 25,672 Value ($000) $598 Avg Close — Range —
Q2 2018
Shares 25,672 Value ($000) $536 Avg Close — Range —
Q1 2018
Shares 26,304 Value ($000) $424 Avg Close — Range —
Q4 2017
Shares 26,304 Value ($000) $445 Avg Close — Range —
Q3 2017
Shares 26,304 Value ($000) $357 Avg Close — Range —
Q2 2017
Shares 25,672 Value ($000) $304 Avg Close — Range —
Q1 2017
Shares 25,472 Value ($000) $402 Avg Close — Range —
Q4 2016
Shares 50,472 Value ($000) $874 Avg Close — Range —
Q3 2016
Shares 50,472 Value ($000) $798 Avg Close — Range —
Q2 2016
Shares 50,472 Value ($000) $758 Avg Close — Range —
Q1 2016
Shares 51,104 Value ($000) $569 Avg Close — Range —