system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
"""
responsible for paying for and, with VNE's assistance, securing license rights to any third-party technology required for the provision or use of any Converge-Requested Enhancements provided under this Agreement. Vert shall use reasonable efforts to identify to Converge all required license rights to third-party technology in the applicable Work Plan or Final SOW. 3.15 Unforseen Costs and Expenses. Notwithstanding anything to the contrary in this Section 3, neither party shall be obligated to incur any costs or expenses in connection with the performance or implementation of a Work Plan or Final SOW unless such Work Plan or Final SOW reasonably contemplates that such party shall be responsible for such costs or expenses, or such party otherwise agrees in writing to incur such costs and expenses. 9 3.16 Escalation Procedures. Should the Converge Project Manager and the VNE Project Manager be unable to reach agreement on any matter within the scope of their discretion under this Section 3, the matter shall be escalated to the parties' respective Relationship Managers for discussion. In addition, should either party believe that the other party has failed to fulfill its obligations under Section 2 or this Section 3 above, the matter shall be escalated to the parties' respective Relationship Managers for discussion. The initial VNE Relationship Manager shall be William Swank and the initial Converge Relationship Manager shall be Francesco DeMarchis. Either party may change its Relationship Manager on notice (via e-mail or in some other reasonable fashion not necessarily in accordance with the express notice provisions of this Agreement) to the other party's Project Manager and Relationship Manager at any time, except that the Relationship Manager always shall be at the director level or higher. 4. Fees and Payments. 4.1 Minimum Fee During Initial Term. Converge shall pay to VNE a minimum fee of Four and One-Half Million Dollars ($4,500,000) for VNE's provision of the Services during the Initial Term (the "Initial Term Minimum Fee"). Converge shall pay the Initial Term Minimum Fee to VNE in 18 equal installments of Two Hundred Fifty Thousand Dollars ($250,000) (each, a "Monthly Installment"). Converge shall pay the first such Monthly Installment to VNE on the date this Agreement is executed and delivered by both parties. Thereafter, Converge shall pay each such Monthly Installment to VNE no later than the first day of each month during the Initial Term (November 2001 and through March 2003). All such Monthly Installments are non-refundable. 4.2 Minimum Fee During Each Renewal Term. If the Parties mutually agree in writing to renew this Agreement pursuant to Section 9.1, the minimum fee payable by Converge to VNE during any such renewal period shall be as mutually determined by the Parties. 4.3 Application of Quarterly Allocation; Out-Of-Scope Services. For each quarter during the Term of this Agreement that Converge pays the applicable Monthly Installments, Converge shall be entitled to receive Services in an amount equal to the Quarterly Allocation; provided, however, that VNE shall provide all Maintenance and Support Services with respect to Problem Reports (but not with respect to Support Requests) reported during such quarter, and all Maintenance Updates released by VNE during such quarter, regardless of whether the provision of such Services would cause VNE to exceed the Quarterly Allocation for such quarter; and provided further, however, that if Converge fails to make a Monthly Installment when due (subject to the cure period in Section 9.2(c)), VNE shall not be required to provided additional Services during the remaining portion of the applicable quarter until such payment is made. Should Converge request and VNE provide any Professional Services, or any Maintenance and Support Services with respect to Support Requests, that would cause VNE to exceed the Quarterly Allocation for any quarter, then Converge shall pay VNE's then-current time charges, or such other charges as the parties may otherwise agree in any Final SOW ("Out-Of-Scope Services"), for such Out-Of-Scope Services. VNE shall use commercially reasonable efforts to inform Converge that any Professional Services requested by Converge would be Out-Of-Scope Services prior to VNE's performance of such Professional Services. Converge shall not be required to pay for and VNS shall not be required to perform any such Services that have not been approved in a Work Plan or Final SOW, or otherwise approved by Converge in writing. 10 4.4 Materials Costs and Expenses. Converge will reimburse VNE for all reasonable materials costs and expenses actually incurred by VNE in providing the Services under this Agreement, including travel and related expenses; provided, however, that VNE shall bear
"""

Extract the exact clause related to "Minimum Commitment" from the excerpt above.

assistant: Converge shall pay to VNE a minimum fee of Four and One-Half Million Dollars ($4,500,000) for VNE's provision of the Services during the Initial Term (the "Initial Term Minimum Fee").