1 EXHIBIT 10.2 THIRD AMENDMENT TO REPAYMENT AGREEMENT AND SIXTH AMENDMENT TO LOAN AGREEMENT This Third Amendment to Repayment Agreement and Sixth Amendment to Loan Agreement ("Third Amendment") is made as of the 23rd day of April, 1999, by and among KEYBANK NATIONAL ASSOCIATION, f/k/a Society Bank, Michigan, a national banking association located at 127 Public Square, Cleveland, Ohio 44114 ("KeyBank" or "Bank"), NEMATRON CORPORATION, a Michigan corporation located at 5840 Interface Drive, Ann Arbor, Michigan 48103 ("Borrower") and NEMASOFT, INC., a Michigan corporation located at 5840 Interface Drive, Ann Arbor, Michigan 48103 ("Guarantor"; Borrower and Guarantor together referred to as "Interested Parties"). RECITALS WHEREAS, Bank and the Interested Parties executed a certain Repayment Agreement dated as of September 28, 1998 ("Repayment Agreement"); and WHEREAS, Bank and the Interested Parties executed a certain First Amendment to Repayment Agreement and Fourth Amendment to Loan Agreement dated as of December 1, 1998 ("First Amendment") and a Second Amendment to Repayment Agreement and Fifth Amendment to Loan Agreement dated as of January 31, 1999 ("Second Amendment"); and WHEREAS, capitalized terms not otherwise defined herein shall have the meanings ascribed thereto in the Repayment Agreement; and WHEREAS, the Interested Parties have request that Bank modify the Repayment Agreement and the Loan Agreement to allow for the issuance of Standby Letters of Credit from Bank in the maximum aggregate amount of Two Million Dollars ($2,000,000), to which request Bank has acquiesced in the manner described herein. I. AGREEMENT NOW, THEREFORE, in consideration of the foregoing, and the agreements and covenants herein, the parties agree as follows: 1. Recitals. The Recitals are incorporated herein by reference. 2. Restructure and Amendment of Loan Documents. Certain of the Loan Documents shall be amended as follows: i) Section 1 of the Repayment Agreement is amended by adding, in appropriate alphabetical order, a new definition of `Loan Agreement', and by deleting the existing definition of `Original 2 Loan Documents' and replacing it with a new definition, as follows: "`Loan Agreement' shall have the meaning ascribed thereto in the Recitals, as such agreement may be further amended, or amended and restated, from time to time. `Original Loan Documents' means all documents heretofore executed in connection with the Original Notes, as well as all documents evidencing leases of equipment by KCCI to any Interested Party, and including all amendments of any thereof and `Loan Documents' means the Repayment Agreement, any amendment thereto and each of the documents required to be executed and delivered to Bank in connection therewith, as same may be amended from time to time, together with all of the Original Loan Documents." ii) Section 3 of the Repayment Agreement is amended by inserting a new subsection (k) as follows: "k) The Loan Agreement is amended by reinserting subsection 1.3 as follows: 1.3 LETTERS OF CREDIT 1.3.1 Upon the request of Borrower, made at any time between April 23, 1999 and October 1, 1999, and so long as no Event of Default under this Agreement has occurred or is continuing, Bank shall issue a Letter of Credit expiring no later than October 31, 1999 (by its terms or upon notice by Bank to the Letter of Credit beneficiary) in such form as may from time to time be approved by Bank in favor of such beneficiaries as Borrower shall specify; provided that the face amount of the Letter of Credit, when added to the aggregate face amount of all other Letters of Credit previously issued pursuant to this Agreement from time to time shall not exceed Two Million Dollars ($2,000,000). 1.3.2 The Obligations of Borrower with respect to a Letter of Credit shall be governed by the terms and conditions of a Standby Letter of Credit Application executed between Borrower and Bank (which, together with any similar replacement agreement subsequently executed by Borrower in connection with the Letter of Credit, is the "Application"). Borrower shall reimburse Bank for the amount of each draft presented under the Letter of Credit and paid by Bank and the amount of any taxes, fees, charges or other costs or expenses whatsoever incurred by Bank in connection with any payment made by Bank under, or with respect to, the Letters of Credit (the "Letter of Credit Obligation") as set forth in the Application. 1.3.3 To the extent that Borrower is eligible for a cash advance under the Line of Credit, Borrower authorizes Bank to 3 make an advance thereunder in an amount sufficient to discharge Borrower's Letter of Credit Obligation as of the date such obligation arises. 1.3.4 To the extent that Borrower is not eligible for a cash advance under the Line of Credit pursuant to this Agreement, Borrower shall immediately pay and discharge the Letter of Credit Obligation pursuant to the terms of the Application." 3. Effective Date. The provisions of this Third Amendment shall be effective on April 23, 1999 ("Effective Date"), provided that a fully executed copy of this Third Amendment is delivered to Bank on or before April 23, 1999. 4.Loan Documents. Any reference in any of the Loan Documents to the Repayment Agreement or the Loan Agreement shall, from and after the Effective Date, be deemed to refer to the Repayment Agreement and the Loan Agreement as modified by this Third Amendment. 5. Conflicting Terms; No Other Modification. To the extent that any of the terms and conditions of this Third Amendment are inconsistent with the terms of the Repayment Agreement, the conditions of this Third Amendment shall prevail. Otherwise, unless expressly modified or superseded herein, all of the terms and conditions of the Repayment Agreement are ratified and confirmed and shall remain unaffected and in full force and effect. 6. Course of Dealing. Interested Parties understand that the Loan Documents will be strictly enforced going forward, and that Bank's failure to insist on strict performance to date shall not be interposed as a defense to Bank's exercise of its legal rights, nor shall it constitute a waiver of any thereof. 7. Release. Effective as of the date of the delivery of a fully executed copy or original of this Third Amendment, the Interested Parties jointly and severally agree to release and hereby do release and discharge, Bank and KCCI, their respective shareholders, agents, servants, employees, directors, officers, attorneys, affiliates, subsidiaries, successors and assigns and all persons, firms, corporations, and organizations acting on their behalf ("Bank Parties") of and from all damages, losses, claims, demands, liabilities, obligations, actions and causes of action whatsoever that each Interested Party has or claims to have against any Bank Party as of the date hereof and whether known or unknown at the time of this release, and of every nature and extent whatsoever on account of or in any way, directly or indirectly, touching, concerning, arising out of or founded upon the Loan Documents, or the relationship respecting any agreement between any Interested Party and any Bank Party. 8. Third-Party Beneficiaries/Entire Agreement. All the conditions and obligations hereunder are imposed solely and exclusively for the benefit of the parties hereto and their successors and assigns. No other person or entity shall obtain any interest herein or require satisfaction of such conditions in accordance with the terms hereof or be entitled to assume that any of the parties hereto will enforce such conditions and obligations and no other person shall, under any circumstances, be a beneficiary of such conditions. This Third Amendment embodies the entire agreement and 4 understanding between the parties hereto with respect to the subject matter of this Third Amendment and supersedes all prior and contemporaneous negotiations, agreements and understandings relative to such subject matter. 9. Binding Effect; Governing Law. This Third Amendment shall bind and inure to the benefit of the parties hereto and their respective successors and assigns and shall be governed by and construed in accordance with the laws of the State of Michigan without regard to principles of conflict of laws. 10. Counterparts. This Third Amendment may be executed in any number of counterparts, each of which, when so executed and delivered, shall be an original and all of which counterparts together shall constitute one and the same fully executed instrument. 11. Consent and Reaffirmation of Guaranty. Guarantor, being guarantor of the Obligations of Borrower pursuant to a Continuing Guaranty dated October 6, 1995, joins in and consents to the within Third Amendment and agrees that the provisions of such guaranty are ratified and confirmed and that the guaranty remains in full force and effect. 12. Corporate Authority. Borrower and Guarantor hereby represent and warrant to Bank that (a) Borrower and Guarantor have the legal power and authority to execute and deliver this Third Amendment; (b) the officials executing this Third Amendment have been duly authorized to execute and deliver the same and bind Borrower and Guarantor with respect to the provisions hereof; (c) the execution and delivery hereof by Borrower and Guarantor and the performance and observance by Borrower and Guarantor of the provisions hereof do not violate or conflict with the organizational agreements of Borrower or Guarantor or any law applicable to Borrower or Guarantor or result in a breach of any provision of or constitute a default under any other agreement, instrument or document binding upon or enforceable against Borrower or Guarantor; (d) this Third Amendment constitutes a valid and binding obligation of Borrower and Guarantor in every respect, enforceable in accordance with its terms. IN WITNESS WHEREOF, Interested Parties and Bank have caused this Third Amendment to be executed by their duly authorized officers as of the date first written above. NEMATRON CORPORATION Address: 5840 Interface Drive By: /s/ David P. Gienapp . -------------------------------- Ann Arbor, Michigan 48103 Its: V P- Finance and Administration ------------------------------- NEMASOFT, INC., Guarantor Address: 5840 Interface Drive By: /s/David P. Gienapp . --------------------------------- Ann Arbor, Michigan 48103 Its: Secretary . -------------------------------- 5 KEYBANK NATIONAL ASSOCIATION Address: 202 S. Michigan Street By: /s/ Richard Rozenboom . P.O. Box 6 ------------------------------ South Bend, Indiana 46601 Its: Vice President . ------------------------------