POWER OF ATTORNEY
KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints each of Megan Kendrick, VP of Human Resources, and Amy Byrnes, Director of HR,
the undersigned's true and lawful attorney-in-fact to:
(1) execute for and on behalf of the undersigned, in the undersigned's capacity as an
officer of and/or director of and/or beneficial owner of greater than ten percent
(10%) of a class of equity securities registered under Section 12 of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), of Northwest Pipe
Company, an Oregon corporation (the "Company"), Forms 3, 4, and 5 in
accordance with Section 16(a) of the Exchange Act and the rules thereunder;
(2) do and perform any and all acts for and on behalf of the undersigned, which may
be necessary or desirable to complete and execute any such Forms 3, 4 and 5 and
timely file any such form with the United States Securities and Exchange
Commission, any stock exchange or similar authority, and the Company; and
(3) take any other action of any type whatsoever in connection with the foregoing
which, in the opinion of such attorney-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it being understood that the
documents executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Power of Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve in such attorney-in-
fact's discretion.
The undersigned hereby grants such attorney-in-fact full power and authority to do and
perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the
exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of substitution or
revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-
fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of
Attorney and the rights and powers herein granted. The undersigned acknowledges that the
foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, is not
assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Exchange Act.
This Power of Attorney shall remain in full force and effect until the undersigned is no
longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorney-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the 19th day of November, 2021.
/s/ Richard A. Roman
Printed Name: Richard A. Roman