Page 117 - 2023 Sustainability Report

TCFD ALIGNMENT INDEX

TCFD Alignment Index

The following table shows alignment with the Task Force on Climate-related Financial
Disclosures (TCFD) regarding the potential financial impacts of climate-related risks and
opportunities. The date of this index is April 30, 2024.

Topic Description Item Martin Marietta Disclosure
Governance Disclose the organization’s (a) Describe the Board’s oversight of • See our 2024 Proxy Statement
governance around climate- climate risks and opportunities (pages 5-8)
related risks and opportunities • See our 2023 Sustainability Report
(pages 6, 8-12, 27-31, 50-51)
(b) Describe management’s role in • See our 2024 Proxy Statement
assessing and managing climate-related (pages 5-8)
risks and opportunities • See our 2023 Sustainability Report
(pages 9-10, 27-31, 50-51)

Strategy Disclose the actual and (a) Describe the climate-related risks and • See our 2023 Annual Report on Form
potential impacts of climate- opportunities the organization has 10-K (pages 6-7, 8-11, 18-19, 20-21,
related risks and opportunities identified over the short, medium and 47, 49-50, 64)
on the organization’s business, long term. • See our 2024 Proxy Statement (page 4)
strategy and financial planning
(b) Describe the impact of climate-related • See our 2023 Annual Report on
risks and opportunities on the Form 10-K (pages 6-7, 8-11, 18-19, 20-
organization’s businesses, strategy and 21, 47, 49-50, 64)
financial planning • See our 2024 Proxy Statement (page 4)
• See our 2023 Sustainability Report
(pages 27-31)
(c) Describe the resilience of the • See our 2024 Proxy Statement (page 4
organization’s strategy, taking into under “Resilience”)
consideration different climate-related • See our 2023 Sustainability Report
scenarios, including a 2° or lower (pages 27-31)
scenario.

Risk Disclose how the organization (a) Describe the organization’s processes • See our 2024 Proxy Statement
Management identifies, assesses and for identifying and assessing climate- (pages 5-8)
manages climate-related risks. related risks • See our 2023 Sustainability Report
(pages 8-12, 27-31, 50-51)
(b) Describe the organization’s processes • See our 2024 Proxy Statement
for managing climate-related risks. (pages 5-8)
• See our 2023 Annual Report on
Form 10-K (pages 6-7, 8-11)
• See our 2023 Sustainability Report
(pages 6, 8-12, 27-31, 50-51)
(c) Describe how processes for identifying, • See our 2024 Proxy Statement
assessing and managing climate-related (pages 5-8)
risks are integrated into the organization’s • See our 2023 Sustainability Report
overall risk management (pages 6, 8-12, 27-31, 50-51)

Metrics and Disclose the metrics and targets (a) Disclose the metrics used by the • See our 2024 Proxy Statement (page 4,
Targets used to assess and manage organization to assess climate-related risks 91-95) under “Targets”)
relevant climate-related risks and opportunities in line with its strategy • See our 2023 Sustainability Report
and opportunities and risk management process. (pages 6, 8-11, 22-24, 43-44)
(b) Disclose Scope 1, Scope 2, and if • See our 2024 Proxy Statement (pages 4)
appropriate, Scope 3 greenhouse gas • See our 2023 Sustainability Report
(GHG) emissions, and the related risks (pages 52-72)
(c) Describe the targets used by the • See our 2024 Proxy Statement (page 4)
organization to manage climate-related • See our 2023 Sustainability Report
risks and opportunities and performance (pages 2, 5, 35, 52-72)
against targets.

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