MARTIN MARIETTA MATLS INC

Ticker: MLM CUSIP: 573284106 Class: COM

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

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

Q3 2018

Shares 2,868 Value ($000) $522 Avg Close $195.48 Range $171.26 - $216.72

Q1 2016

Shares 7,348 Value ($000) $1,172 Avg Close $127.52 Range $100.36 - $148.84

Q4 2015

Shares 12,540 Value ($000) $1,713 Avg Close $140.36 Range $126.21 - $153.65

Q3 2015

Shares 12,433 Value ($000) $1,889 Avg Close $149.43 Range $130.51 - $165.15

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	2,868	$522	$195.48	$171.26 - $216.72
Q1 2016	7,348	$1,172	$127.52	$100.36 - $148.84
Q4 2015	12,540	$1,713	$140.36	$126.21 - $153.65
Q3 2015	12,433	$1,889	$149.43	$130.51 - $165.15