MARTIN MARIETTA

2024 INVESTOR UPDATE

MAY 6, 2024

Statement Regarding Safe Harbor for Forward-Looking Statements

Investors are cautioned that all statements herein that relate to the future involve risks and uncertainties, and are based on assumptions that the Company believes in good faith are reasonable but which may be materially different from actual results. These statements, which are forward-looking statements under the Private Securities Litigation Reform Act of 1995, provide the investor with the Company's expectations or forecasts of future events. You can identify these statements by the fact that they do not relate only to historical or current facts. They may use words such as "guidance", "anticipate", "may", "expect", "should", "believe",

"will", and other words of similar meaning in connection with future events or future operating

or financial performance. Any or all of the Company's forward-looking statements here and in other publications may turn out to be wrong.

Non-GAAP Financial Measures

This material contains financial measures that have not been prepared in accordance with generally accepted accounting principles in the United States (GAAP). Reconciliations of non- GAAP financial measures to the closest GAAP measures are included in the accompanying Appendix. Management believes these non-GAAP measures are commonly used financial measures for investors to evaluate the Company's operating performance and, when read in conjunction with the Company's consolidated financial statements, present a useful tool to evaluate the Company's ongoing operations, performance from period to period and anticipated performance. In addition, these are some of the factors the Company uses in internal evaluations of the overall performance of its businesses. Management acknowledges that there are many items that impact reported results and the adjustments reflected in these non-GAAP measures are not intended to present all items that may have impacted these results. In addition, these non-GAAP measures are not necessarily comparable to similarly titled measures used by other companies.

Results and Trends

Results and trends described in this Supplemental Information may not necessarily be indicative of the Company's future performance.

2

COMPANY OVERVIEW

MARTIN MARIETTA AT A GLANCE

COMPANY OVERVIEW

9,200+

0.13

>75

Employees

World-class

Years of aggregates reserves

lost-time incident rate (LTIR)1

at current extraction rates

PRODUCT MIX (2024 Guidance Midpoint)

TOTAL REVENUES

GROSS PROFIT

Magnesia Specialties

Magnesia Specialties

Cement &

5%

Cement &

5%

Downstream

Downstream

29%18%

BUILDING MATERIALS

~207M

~2.5M

Aggregate Tons

Cement Tons

~5M

~9M

Ready Mix Concrete

Hot Mix

Cubic Yards

Asphalt Tons

Figures denote estimated 2024 annual shipments.

MAGNESIA SPECIALTIES

1

Lime Plant

1

Magnesia Plant

Aggregates

Aggregates

66%

77%

FULL YEAR 2024 GUIDANCE

$7.10B

$2.26B

$2.37B

1.4x

Total

Net Earnings from

Adjusted

Net Leverage

Revenues

Continuing Operations

EBITDA3

Ratio expected as of

Attributable to Martin

December 31, 2024

Marietta2

Note: All metrics include the recently closed BWI acquisition

  1. Safety data current as of 12/31/23; LTIR rate per 200,000 man hours worked.
  2. Net earnings from continuing operations attributable to Martin Marietta includes $0.9 billion for a gain on a divestiture partially offset by a noncash asset and portfolio rationalization charge, acquisition, divestiture and integration expenses and fair market value inventory adjustment.

3. Adjusted EBITDA is a Non-GAAP measure. See Appendix for reconciliation to nearest GAAP measure.

4

STRATEGICALLY LOCATED IN HIGH-GROWTH MARKETS

West Division

2024 MIDPOINT GUIDANCE REVENUES BY DESTINATION

BUILDING MATERIALS BUSINESS

Magnesia Specialties

Aggregates1 Asphalt

(CO, CA, AZ)

Ready Mix (AZ)

Southwest Division

Aggregates1 Cement

(Dallas/ Fort Worth)

Ready Mix (TX)

WA

<1%

WY

<1%

UT

CA<1% CO

6%9%

AZ

4%

MN

4%

NE

IA

3%

2%

IL

<1%

KS

MO

<1%

1%

OK

AK

1%

<1%

TX

LA

28%

<1%

MI

<1%

PA

IN

OH

<1%

2%

3%

WV

<1% VA

KY

1%

<1%

NC 10%

TN 2%

SC

3%

AL

GA

2%

6%

FL

4%

NOVA

SCOTIA

<1%

DE <1%

MD 2%

BAHAMAS

<1%

Dolomitic Lime & Magnesia

Central Division

Aggregates1 Asphalt (MN)

East Division

Aggregates

Source: Company data

1. Includes recycled aggregates operations

5

VALUE PROPOSITION OF BUILDING MATERIALS SUPPLY CHAIN

87% UPSTREAM MATERIALS

of full year 2024 total consolidated gross profit guidance

DOWNSTREAM PRODUCTS

8%

of full year 2024 total consolidated gross profit guidance

Real pricing growth through

AGGREGATES

economic cycles

Depleting natural resource

buttressed by long-lived

reserves

Limited substitute products

Logistics moats

CEMENT Texas demand exceeds statewide capacity

DFW largely insulated from waterborne imports

ASPHALT

READY MIXED

CONCRETE

(RMC)

  • Key aggregates distribution channel (95% aggregates by weight)
  • End market resiliency
  • (Infrastructure)
  • Key aggregates and cement distribution channel (80% aggregates by weight)
  • Selective market entry

6

OUR STRATEGIC OPERATING ANALYSIS & REVIEW (SOAR) PLAN PROVIDES A LONG TRACK RECORD OF FINANCIAL PERFORMANCE

TOTAL REVENUES

ADJUSTED EBITDA

3.8x

$6.8BN

5.7x

$2.1BN

$3.5BN

$4.7BN

$1.4BN

$0.8BN

$1.8BN

$0.4BN

2010

2015

2020

2023

2010

2015

2020

2023

DILUTED EARNINGS PER SHARE

TOTAL SHAREHOLDER RETURNS

9.2x

$19.32

1-YEAR1

49%

$11.54

26%

$2.10

$4.29

2010

2015

2020

2023

S&P 500

5-YEAR1

202%

107%

S&P 500

10-YEAR1

445%

211%

S&P 500

7

1.Reflects Total Shareholder Returns (TSR) with all periods ending 12/31/2023

SOAR'S DISCIPLINED CAPITAL ALLOCATION APPROACH

1

2

3

Mergers &

Sustaining and

Returns to shareholders

Growth Capital

through dividends and

Acquisitions

Expenditures

share repurchases

MAINTAINING IG

PRUDENT BUSINESS

NEVER SUSPENDED

CREDIT RATING METRICS

REINVESTMENT

OR CUT DIVIDEND

8

INVESTMENT HIGHLIGHTS

INVESTMENT HIGHLIGHTS

Pricing growth through

Diversified end market

Disciplined execution

Strong balance sheet

cycles drives

exposure reduces

of a proven strategic

and significant

compounding unit

cyclical demand

plan: SOAR

opportunities for

margins

volatility

acquisitive growth

10

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Martin Marietta Materials Inc. published this content on 06 May 2024 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 06 May 2024 21:24:39 UTC.