MARTIN MARIETTA MATLS INC

Ticker: MLM CUSIP: 573284106 Class: COM

D.B. Root & Company, LLC's Holding History (CIK: 0001731717)

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

Q1 2021

Shares 849 Value ($000) $285 Avg Close $309.80 Range $266.19 - $343.26

Q4 2020

Shares 878 Value ($000) $249 Avg Close $257.79 Range $223.03 - $278.66

Q3 2020

Shares 883 Value ($000) $207 Avg Close $208.84 Range $194.44 - $230.80

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	849	$285	$309.80	$266.19 - $343.26
Q4 2020	878	$249	$257.79	$223.03 - $278.66
Q3 2020	883	$207	$208.84	$194.44 - $230.80