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:
"""
Exhibit 99.4 STRATEGIC ALLIANCE AGREEMENT "EDGE-FTE" THIS STRATEGIC ALLIANCE AGREEMENT (the "Agreement"), made effective this 17t h day of February 2016, through February 16, 2019 (the "Initial Term") is entered into by and between EDGE Communications Solutions, LLC, with its principal place of business at 6505 Windcrest Drive, Suite 200, Plano, TX 75024 (hereinafter referred to as "EDGE"), and FTE Networks, Inc. with its principal place of business at 999 Vanderbilt Beach Road, Suite 601, Naples, FL 34108 (hereinafter referred to as "FTE" or "Subcontractor") sets forth the terms and conditions by which FTE will supply labor, materials, equipment, supervision and/or services for FTE's scope of work. FTE's work shall be identified in a purchase order, which if issued, will be issued subject to the terms of this Agreement ("Purchase Order"). Each Purchase Order, taken together with the terms and conditions of this Agreement, shall constitute a separate agreement between the parties and shall be considered independent of any other agreements between the parties that incorporate the terms and conditions of the Agreement. FTE agrees to perform its scope of work, in accordance with the terms and conditions of this in accordance with the terms and conditions of the respective issued Purchase Order(s). The Work, as defined below, is a portion of the services to be provided by for a communications service provider Mediacom, LLC (the "Customer"). 1. TERMS A. This Agreement shall remain in effect for the duration of the Initial Term, unless earlier terminated pursuant to the provision entitled "Termination of Agreement". After the Initial Term, this Agreement shall continue on a month to month basis until terminated by either party upon thirty (30) days prior written notice to the other setting forth the effective date of such termination. The termination of any Purchase Order shall not affect the obligations of either party to the other party pursuant to any other Purchase Order or to this Agreement. The termination of this Agreement shall terminate the obligations of either party to the other party pursuant to any Purchase Order and those obligations pursuant to this Agreement, except as to obligations that are identified herein or in a terminated Purchase Order as surviving termination. B. Should the Agreement expire during the period of performance, all remaining Work of each Purchase Order will be completed under the terms of the Agreement then in effect on the date of award for each respective Purchase Order, unless modified in writing by mutual consent of the parties. C. Prior to performing or providing the labor, materials, equipment and services required to complete the work described in a Purchase Order, if any, (the "Work"), Subcontractor must have a properly executed Agreement with EDGE, complied with all terms and conditions therein, including have submitted the required proofs of insurance. EDGE shall receive authorization from the Customer to approve Subcontractor as an approved vendor and to approve the Work terms and conditions of this Agreement if required to do so under Edge's contract with the Customer. STRATEGIC ALLIANCE AGREEMENT "EDGE-FTE" Page 1 2. SCOPE OF WORK A. Subcontractor shall perform work for EDGE referred to as "Route Feasibility & Site Acquisition," "Materials Management," "OSP Construction," and "Other Work" as outlined in the attached Exhibits A, B, C and D and as described and set forth in Purchase Orders. B. Descriptions of the Work to be performed by Subcontractor for EDGE shall be listed in a Purchase Order. EDGE engages Subcontractor to furnish the Work described in the Purchase Order. All Work under any Purchase Order shall be performed in a professional manner and in accordance with the applicable specifications and drawings. Purchase Orders, shall be issued and administered as set forth in Section 3 below. C. Unless otherwise provided in the Purchase Order, the Contractor shall provide and pay for materials, and other facilities and services necessary for proper execution and completion of the Work, whether temporary or permanent and whether or not incorporated or to be incorporated in the Work. 3. DISBURSEMENT OF PURCHASE ORDER A. Issuance of Work under this Agreement may be made from time to time by the issuance of Purchase Orders to Subcontractor. Purchase Orders, if any, shall reference and incorporate the terms and conditions of the Agreement which shall apply to all Work performed under the Purchase Order. B. Nonexclusive Rights. This Agreement is an as-ordered agreement between EDGE and Subcontractor, anticipating the potential but not promised issuance of Purchase Orders for specific work in amounts in excess of $20MM. 4.
"""

Extract the exact clause related to "Effective Date" from the excerpt above.

assistant: 17t h day of February 2016