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:
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the Company is as set forth on Exhibit A, (ii) except as set forth on Exhibit A, the Marathon Parties do not currently have, and do not currently have any right to acquire, any interest in any other securities of the Company (or any rights, options or other securities convertible into or exercisable or exchangeable (whether or not convertible, exercisable or exchangeable immediately or only after the passage of time or the occurrence of a specified event) for such securities or any obligations measured by the price or value of any securities of the Company or any of its controlled Affiliates, including any swaps, puts, calls, appreciation rights or other derivative arrangements designed to produce economic benefits and risks that correspond to the ownership of Common Stock, whether or not any of the foregoing would give rise to beneficial ownership, and whether or not to be settled by delivery of Common Stock, payment of cash or by other consideration, and without regard to any short position under any such contract or arrangement) (collectively, "Securities of the Company") and (iii) the Marathon Parties will not, directly or indirectly, compensate or agree to compensate the New Director for her service as a director of the Company with any cash, securities (including any rights or options convertible into or exercisable for or exchangeable into securities or any profit sharing agreement or arrangement), or other form of compensation. The terms 2 "beneficially owns" and "beneficial ownership" for all purposes under this Agreement shall have the meanings set forth in Rule 13d-3 promulgated by the SEC under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). As used in this Agreement, the terms "Affiliate" and "Associate" shall have the respective meanings set forth in Rule 12b-2 promulgated by the SEC under the Exchange Act. (b) The Marathon Parties have no agreements, understandings or undertakings with any third party to share or delegate disposition or voting control over any of the securities set forth on Exhibit A, or to transfer, hypothecate or lend any of the securities set forth on Exhibit A. (c) Each of the Marathon Parties represents and warrants to the Company as of the date hereof that it has the power and authority to execute and deliver this Agreement. This Agreement (i) has been duly and validly authorized by each of the Marathon Parties, and constitutes a legal, valid and binding obligation of each of the Marathon Parties, enforceable against each of the Marathon Parties in accordance with its terms except as may be limited by bankruptcy, insolvency or similar laws affecting creditors' rights and general equitable principles, (ii) does not require the approval of any investor in or member of the Marathon Parties and (iii) does not violate any law, order of any court or any governmental agency or regulation or the charter or any organizational document of the Marathon Parties, or conflict with, result in a breach of or constitute a default under any agreement or instrument by which the Marathon Parties or any of their respective assets is bound. 3. Representations of the Company. The Company represents and warrants to the Marathon Parties as of the date hereof that it has the corporate power and authority to execute and deliver this Agreement. This Agreement (i) has been duly and validly authorized by the Company and constitutes a legal, valid and binding obligation of the Company, enforceable against the Company in accordance with its terms except as may be limited by bankruptcy, insolvency or similar laws affecting creditors' rights and general equitable principles and (ii) does not violate any law, order of any court or any agency or regulation or the Company's Certificate of Incorporation or the Amended and Restated Bylaws of the Company (the "Bylaws"), or conflict with, result in a breach of or constitute a default under any agreement or instrument by which the Company or any of its assets or the assets of its subsidiaries are bound. The Company further represents and warrants to the Marathon Parties as of the date hereof that since March 2, 2019 it has not granted any performance equity awards to any named executive officers other than those disclosed or referenced by the Company in its Forms 4 filed with the SEC in June 2020. 4. Support Period Covenants. (a) During the period commencing on the date hereof and ending at 11:59 pm New York Time on the date that is thirty (30) days prior to expiration of the advance notice
"""

Extract the exact clause related to "Source Code Escrow" from the excerpt above.

assistant: Not found.