Material Agreement (Form 8-K)

On April 25, 2026, Clearfield, Inc. (the "Company") entered into an Amendment No. 3 to Loan Agreement (the "Amendment") that amends its Loan Agreement dated April 27, 2022 (as amended, the "Agreement") with Old National Bank, successor by merger to Bremer Bank, National Association. The Amendment, among other things, (i) extends the maturity of the line of credit provided under the Agreement from April 25, 2026 to July 24, 2026, (ii) incorporates updated interest and payment provisions into the Agreement that had previously been included in the promissory note issued under the Agreement, (iii) adds several events that constitute a default under the Agreement, and (iv) adds a jury trial waiver for any judicial proceedings in which the parties are involved which arise out of or are related to the Agreement. The Amendment also contains customary representations and warranties applicable to the Company. All other material terms of the Agreement remain unchanged.

The foregoing summary of the Amendment does not purport to be complete and is subject to and qualified in its entirety by reference to the Amendment, which is attached hereto as Exhibit 10.1 and is incorporated herein by reference.