MARATHON PETE CORP

Ticker: MPC CUSIP: 56585A102 Class: COM

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q4 2013

Shares 2,343 Value ($000) $215 Avg Close $26.84 Range $21.33 - $32.16

Q3 2013

Shares 3,743 Value ($000) $241 Avg Close $24.39 Range $21.74 - $26.64

Q2 2013

Shares 3,653 Value ($000) $260 Avg Close $27.55 Range $23.97 - $31.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	2,343	$215	$26.84	$21.33 - $32.16
Q3 2013	3,743	$241	$24.39	$21.74 - $26.64
Q2 2013	3,653	$260	$27.55	$23.97 - $31.16