Power of Attorney for William Eric Johnson at Valmont Industries Inc

William Eric Johnson, the Chief Accounting Officer of Valmont Industries Inc, has executed a Power of Attorney (POA) document. This POA grants Thomas Liguori, Executive Vice President & CFO, and R. Andrew Massey, Vice President, Chief Legal Officer and Corporate Secretary, the authority to act on his behalf in matters related to SEC filings. The POA allows them to prepare, execute, and submit Forms 3, 4, 5, and Form 144, as well as any other necessary documents for SEC compliance. The POA also permits them to act as account administrators for Johnson's SEC filings and to take any other actions deemed necessary or beneficial. The POA will remain in effect until Johnson is no longer required to file these forms or until it is revoked in writing.