Page 37 - Code of Ethical Business Conduct

Code of Ethical Business Conduct 35

Third Party Inquiries

Employees should immediately refer all inquiries from investors and
analysts to Investor Relations, and inquiries from media, government officials and
lawyers representing third parties to a member of the Legal Department.

Media Statements

We are committed to providing accurate, clear, complete and consistent
information to the public. Unless your job duties expressly state otherwise, you are
not permitted to speak on behalf of Martin Marietta, either expressly or implicitly,
when making any statements to third parties, including investors, analysts, media,
or as a consultant or adviser, or on social media or in other forums. If you are
contacted and asked to discuss Company business with members of the press,
investors or market analysts, do not provide any information. Instead, you should
refer them to the Investor Relations group or the Legal Department.
Social Media and Artificial Intelligence Systems

Access to social media sites, including, but not limited to, blogs, wikis, social
networks, chat rooms, multi-media networks, social communities, forums, virtual
worlds and other online spaces in which user-generated content is displayed or
posted, such as Facebook, LinkedIn and X – formerly
Twitter – (social media) and AI-based systems, that
is utilized principally for business purposes, though Artificial Intelligence
also may be used by employees for incidental (“AI”) is the development of
personal communications, is permissible. Any access computer systems that adjust
and use by employees of the Company’s servers, to new information and per-
network and Internet connections to participate in form tasks typically requiring
human cognition. Bing Chat,
social media or AI-based systems is subject in all Google Bard, and Chat GPT
respects to the Company’s computer use policy. are examples of web-based
If you post information in public forums, such utilities that allow interac-
as social networking sites, blogs, chat rooms or tion with AI-based systems
AI-based systems, you are prohibited from sharing through a chat interface.
confidential, private or proprietary information
about Martin Marietta. As with all other provi-
sions in this Code, this provision is not intended, nor will be interpreted,
to interfere with, restrain, or prevent employee communications regarding
wages, hours, or other terms and conditions of employment.