CATERPILLAR INC

Ticker: CAT CUSIP: 149123101 Class: COM

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

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

Q1 2015

Shares 2,355 Value ($000) $203 Avg Close $63.13 Range $59.48 - $69.69

Q2 2014

Shares 2,682 Value ($000) $291 Avg Close $78.02 Range $73.19 - $81.73

Q1 2014

Shares 2,939 Value ($000) $292 Avg Close $69.69 Range $63.53 - $74.44

Q4 2013

Shares 3,286 Value ($000) $298 Avg Close $62.67 Range $60.17 - $67.37

Q3 2013

Shares 3,837 Value ($000) $320 Avg Close $61.64 Range $58.99 - $64.50

Q2 2013

Shares 4,627 Value ($000) $382 Avg Close $61.55 Range $57.61 - $65.73

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	2,355	$203	$63.13	$59.48 - $69.69
Q2 2014	2,682	$291	$78.02	$73.19 - $81.73
Q1 2014	2,939	$292	$69.69	$63.53 - $74.44
Q4 2013	3,286	$298	$62.67	$60.17 - $67.37
Q3 2013	3,837	$320	$61.64	$58.99 - $64.50
Q2 2013	4,627	$382	$61.55	$57.61 - $65.73