ORIGINAL SECOND AMENDED AND RESTATED REVOLVING CREDIT LOAN NOTE $20,000,000.00 Iselin, New Jersey November 15 , 2017 FOR VALUE RECEIVED, the undersigned, WAYSIDE TECHNOLOGY GROUP, INC., a corporation duly organized, validly existing and in good standing under the laws of the State of Delaware, LIFEBOAT DISTRIBUTION, INC., a corporation duly organized, validly existing and in good standing under the laws of the State of Delaware, TECHXTEND, INC., a corporation duly organized, validly existing and in good standing under the laws of the State of Delaware, PROGRAMMER'S PARADISE, INC., a corporation duly organized, validly existing and in good standing under the laws of the State of Delaware, and ISP INTERNATIONAL SOFTWARE PARTNERS, INC., a corporation duly organized, validly existing and in good standing under the laws of the State of Delaware (hereinafter collectively referred to as the "Co-Borrowers"), promise to pay to the order of CITIBANK, N.A., its successors and/or assigns (hereinafter collectively referred to as the "Lender") on or before the Maturity Date, or such earlier date as may be determined pursuant to the terms, conditions and provisions of the "Loan Agreement" (as such term is defined below), the lesser of (i) the principal sum of TWENTY MILLION AND 00/100 ($20,000,000.00) DOLLARS or (ii) the aggregate unpaid principal amount of all Loans made by the Lender to the Co-Borrowers pursuant to the terms, conditions and provisions of the Loan Agreement. The Co-Borrowers hereby further promise to pay to the order of the Lender interest on the unpaid principal amount outstanding under this Second Amended and Restated Revolving Credit Loan Note (hereinafter, as it may be from time to time amended, modified, extended, renewed, substituted, and/or supplemented, referred to as this "Note") from the date outstanding until paid in full at the applicable interest rate per annum determined pursuant to the terms, conditions and provisions of Section 2.02(i)(a) and Section 2.02(ii i) of, or as otherwise provided for in, the Loan Agreement payable on the dates set forth in Section 2.01(v) and Sect ion 2.02(1D of, or as otherwise provided in, the Loan Agreement. Capitalized terms used but not expressly defined herein shall have the same meanings when used herein as set forth in the Loan Agreement. All payments of principal, interest and fees hereunder shall be due and payable to the Lender not later than 1:00 P.M. (Iselin, New Jersey time), on the day when due, all as more fully and accurately set forth in Section 2.05 of the Loan Agreement. Such payments shall be made in Dollars in immediately available funds without setoff, counterclaim (other than a compulsory counterclaim) or other deduction of any nature. Except as otherwise provided in the Loan Agreement, if any payment of principal, interest or fees hereunder shall become due on a day which is not a Business Day, such payment shall be made on the next following Business Day and such extension of time shall be included in computing interest in connection with such payment. This Note is the "Note" referred to in, and is entitled to the benefits of, that certain Second Amended and Restated Revolving Credit Loan Agreement dated November 15 , 2017, executed by and among the Co-Borrowers and the Lender (hereinafter, as it may be from time to time amended, modified, extended, renewed, substituted, and/or supplemented, referred to as the "Loan Agreement"), which among other things provides for the acceleration of the maturity hereof upon the occurrence of certain events and for prepayments in certain circumstances and upon certain terms and conditions. The Co-Borrowers hereby expressly waive presentment, demand, notice, protest and all other demands and notices in connection with the delivery, acceptance, performance, default or enforcement of this Note and the Loan Agreement. [SECOND AMENDED AND RESTATED REVOLVING CREDIT LOAN NOTE]