Page 35 - 2020 Sustainability Report

ENVIRONMENTAL STEWARDSHIP

This level of Scope 1 CO e emissions constitutes less than 4 percent of total GHG emissions attributed to the cement
2
industry in the United States, as reported to the USEPA in 2019. Our 2020 Scope 2 CO e emissions were 0.671 million
2
metric tonnes across all business lines. On a global basis, the emissions from our cement business constitute less than 0.2
percent of the worldwide CO e emissions from cement production and our combined Scope 1 and 2 emissions for our
2
entire business is only a fraction of those of our global competitors as shown in the chart below. 1
Select Examples of Scope 1 and 2 GHG Footprints (million metric tonnes CO e)
2
277.8

129
77.58
49.3 42.4 35.5
5.17
China Nat Mat Lafarge Holcim Heidelberg Ultratech CEMEX CRH Martin Marietta

Sources: 2019 Annual Reports, Sustainability Reports, USGS, USEPA and PCA

Put succinctly, we are a very small contributor to the CO e emissions attributed to the global cement sector. This is
2
consistent with the fact that our cement operations represent a small share of our overall business. In fact, those
operations, together with our Magnesia Specialties business, accounted for approximately 15 percent of our consolidated
revenue in 2020. This is in stark contrast to other operators in the cement sector who have a substantially greater number
of cement plants, total GHG emissions, and percentage of their revenue derived from such cement operations.

WA WA
MT ME
MT ND ME ND
MN VT MN VT
OR NH OR MI NH
ID SD WI MI NY MA ID SD WI NY MA RI
WY CT RI WY CT
NJ IA NJ
IA PA PA
NE DE NV NE DE
NV OH OH MD DC
UT IL IN MD DC UT IL IN WV
CA CO WV VA CA CO VA
KS MO KY KS MO KY
NC NC
TN TN
OK OK
AZ AR AZ NM AR SC
NM SC
GA GA
MS AL MS AL
TX TX
LA LA
FL FL
Martin Marietta aggregates, concrete and asphalt plants Martin Marietta cement plants
The small size of our cement operations compared to our overall business — both in terms of revenue and
production — is an important and significant differentiator between Martin Marietta and other companies
operating in the cement industry. Our cement business:
• Operates from two modernized, efficient plants, • Has a carbon intensity better than the U.S. cement
both in the state of Texas, that have benefitted industry average
from more than $1 billion in investments since
• Represents 58 percent of our gross CO 2 e emissions,
2008
but still less than 0.2 percent of total GHG
• Accounts for 9.6 percent of our consolidated emissions from the cement industry worldwide
revenue in 2020

1 Total estimated GHG emissions attributed to the cement industry in 2020 worldwide were 1.5 gigatonnes or, 1,500 million metric tonnes, of CO 2 e
according to R.M. Andrew of the Global Carbon Capture Project.

MARTIN MARIETTA 33