exhibit10103joinderagree






                            JOINDER AGREEMENT          THIS JOINDER AGREEMENT (the “Agreement”), dated as of October 22, 2018, is by   and between (i) each of LITTELFUSE INTERNATIONAL HOLDING, LLC, a Delaware limited  liability company, LITTELFUSE HOLDING, LLC, a Delaware limited liability company, and  MONOLITH SEMICONDUCTOR INC., a Delaware corporation (each, a “Subsidiary”), and (ii)   BANK OF AMERICA, N.A., in its capacity as Agent under that certain Credit Agreement (as it   may be amended, modified, restated or supplemented from time to time, the “Credit Agreement”),   dated as of March 4, 2016, by and among Littelfuse, Inc., a Delaware corporation, the Designated   Borrowers, the Guarantors, the Lenders, and Bank of America, N.A., as Agent.  All of the defined   terms in the Credit Agreement are incorporated herein by reference.          The Loan Parties are required by Section 6.12 of the Credit Agreement to cause each   Subsidiary to become a “Guarantor”.          Accordingly, each Subsidiary hereby agrees as follows with the Agent, for the benefit of   the Lenders:                1.    The Subsidiary hereby acknowledges, agrees and confirms that, by its   execution of this Agreement, the Subsidiary will be deemed to be a party to the Credit Agreement   and a “Guarantor” for all purposes of the Credit Agreement, and shall have all of the obligations   of a Guarantor thereunder as if it had executed the Credit Agreement.  The Subsidiary hereby   ratifies, as of the date hereof, and agrees to be bound by, all of the terms, provisions and conditions   applicable to the Guarantors contained in the Credit Agreement.  Without limiting the generality   of the foregoing terms of this paragraph 1, the Subsidiary hereby jointly and severally together   with the other Guarantors, guarantees to each Lender and the Agent, as provided in Article XI of   the Credit Agreement, the prompt payment of the Obligations in full when due (whether at stated   maturity, as a mandatory prepayment, by acceleration, a mandatory cash collateralization or   otherwise) strictly in accordance with the terms thereof.                2.    The address of the Subsidiary for purposes of all notices and other   communications is c/o Littelfuse, Inc., 8755 W. Higgins Road, Chicago, Illinois 60631, Attention:   Assistant Treasurer (Facsimile No. 847-512-0340).                3.    The Subsidiary hereby waives acceptance by the Agent and the Lenders of   the guaranty by the Subsidiary under Article XI of the Credit Agreement upon the execution of   this Agreement by the Subsidiary.                4.    This Agreement may be executed in two or more counterparts, each of   which shall constitute an original but all of which when taken together shall constitute one contract.                5.    This Agreement shall be governed by and construed and interpreted in   accordance with the laws of the State of New York.                                 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]                                                                                     





 






      IN WITNESS WHEREOF, each Subsidiary has caused this Agreement to be duly executed  by its authorized officer, and the Agent, for the benefit of the Lenders, has caused the same to be  accepted by its authorized officer, as of the day and year first above written.                                        LITTELFUSE INTERNATIONAL HOLDING,                                       LLC                                                                                                                     By: /s/ Ryan K. Stafford                                       Name:  Ryan K. Stafford                                       Title:    Manager                                                                              LITTELFUSE HOLDING, LLC                                                                                                                     By: /s/ Ryan K. Stafford                                       Name:  Ryan K. Stafford                                       Title:    Manager                                                                              MONOLITH SEMICONDUCTOR INC.                                                                                                                     By: /s/ Hans Weinburger                                       Name:  Hans Weinburger                                       Title:    Assistant Secretary                                                                                                                     Acknowledged and accepted:                                                                              BANK OF AMERICA, N.A.,                                        as Agent                                                                               By:/s/ Melissa Mullis                                       Name:  Melissa Mullis                                       Title:  Assistant Vice President                                                                                                       JOINDER AGREEMENT  





 






        Schedule 1  TO JOINDER AGREEMENT