MARTIN MARIETTA MATLS INC

Ticker: MLM CUSIP: 573284106 Class: COM

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q1 2018

Shares 17,187 Value ($000) $3,563 Avg Close $204.42 Range $185.70 - $227.45

Q4 2017

Shares 17,187 Value ($000) $3,799 Avg Close $197.06 Range $188.35 - $209.65

Q3 2017

Shares 19,185 Value ($000) $3,957 Avg Close $198.51 Range $179.35 - $216.80

Q4 2015

Shares 23,467 Value ($000) $3,205 Avg Close $140.36 Range $126.21 - $153.65

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	17,187	$3,563	$204.42	$185.70 - $227.45
Q4 2017	17,187	$3,799	$197.06	$188.35 - $209.65
Q3 2017	19,185	$3,957	$198.51	$179.35 - $216.80
Q4 2015	23,467	$3,205	$140.36	$126.21 - $153.65