SW4230801_Signing Official Title & Position Information_20231110

Office of the President
NN/
P.O.Box 8000
Alamance 1247 Jimmie Kerr Road
Graham,NC 27253-8000
Community ®'lj e �ri 336-506-4150
1 FAX [phone]
August 23, 2023
Re: Stormwater Permit
To Whom It May Concern:
Thomas M. Hartman, Associate Vice President of Administrative Services &Facilities for Alamance
Community College is an authorized employee and signing authority for stormwater permit application
forms for the college.
Sincerely,
r. John L. Keen
Interim President

MARTIN MARIETTA MATERIALS, INC.
ASSISTANT SECRETARY'S CERTIFICATE
I, Eric S. Brown,do hereby certify that:
1. 1 am the duly appointed, qualified and acting Assistant Secretary of Martin Marietta
Materials, Inc. (the "Corporation"), a North Carolina corporation.
2. Attached hereto as Exhibit A is a true, complete and correct copy of delegations of authority
adopted by resolution of the Board of Directors of the Corporation on August 20, 2015, authorizing the
President and Chief Executive Officer with the authority to further delegate such authorization, to take
any action which he deems to be in the best interest of the Corporation. Such resolutions have not been
amended, modified or rescinded and remain in full force and effect on the date hereof.
3. Attached hereto as Exhibit B is a true, complete and correct copy of the relevant portion of
the delegation of authority by C. Howard Nye, President and Chief Executive Officer, granting to
Ronald M. Kopplin, President—East Division, the authority to execute the specified documents contained
in said delegation of authority. Such delegation of authority has not been amended, modified or
rescinded and will remain in full force and effect until revoked in writing.
WITNESS my hand and seal of this Corporation this 23rd day of August, 2023.
•0oFP0RA7-,- �N% Eric S. Brown
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Exhibit A
DELEGATION OF AUTHORITY
PRESIDENT AND CHIEF EXECUTIVE OFFICER
(BY BOARD OF DIRECTORS ON AUGUST 20,2015)
Re: General Delegation
RESOLVED, That in matters not covered by specific delegations granted to the President and
Chief Executive Officer by the Articles of Incorporation, Bylaws, or resolutions of this Board
(including future resolutions) the President and Chief Executive Officer is authorized, on behalf
of the Corporation (with the authority to delegate such authorization with such limitations and
rights to redelegate as he deems appropriate) to take any action which he deems to be in the
best interest of this Corporation; provided that the dollar value of that action is less than
$20,000,000; and provided further that the President and Chief Executive Officer is not hereby
authorized to take any action that is solely reserved to the Board by statute, the Articles of
Incorporation, Bylaws or resolutions of the Board (including future resolutions);
RESOLVED FURTHER, That the President and Chief Executive Officer is authorized, on behalf of
the Corporation (with the authority to delegate such authorization with such limitations and
rights to redelegate as he considers appropriate) to execute and deliver such instruments and
documents, to do all such other acts and things, and to take all such further steps as, in his
opinion, may be necessary or appropriate in order to fully carry out the intent of the foregoing
resolution;and
RESOLVED FURTHER,That the authority granted by these Delegations of Authority is applicable
to action taken by the President and Chief Executive Officer in connection with any and all of the
Corporation's subsidiaries and affiliates.

Exhibit B
Delegation of Authority
From C. Howard Nye
To Ronald M. Kopplin,President—East Division
December 4,2017
RE: DELEGATION OF AUTHORITY—Environmental Permits
You are hereby authorized to execute applications and supporting documents for environmental or
mining permits and zoning or use permits subject to review by a division or corporate environmental
manager.
This Delegation of Authority may not be further delegated.