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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Exhibit 10.8 EXECUTION COPY CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] OR [REDACTED] INDICATES THAT INFORMATION HAS BEEN REDACTED. SPONSORSHIP AND SERVICES AGREEMENT This SPONSORSHIP AND SERVICES AGREEMENT (the "Agreement") is made and entered into as of the 19t h day of December, 2018, by and among HOF Village, LLC, a Delaware limited liability company ("HOFV"), National Football Museum, Inc., d/b/a Pro Football Hall of Fame, an Ohio corporation ("PFHOF" and, together with HOFV, the "HOF Entities") and Constellation NewEnergy, Inc., a Delaware corporation, on behalf of itself and its retail affiliates and subsidiaries (collectively, "Constellation"). HOFV and/or PFHOF, on the one hand, and Constellation, on the other hand, are referred to herein as a "Party" and, collectively, as the "Parties". WITNESSETH: WHEREAS, Constellation desires to provide to the HOF Entities, and the HOF Entities desire to obtain from Constellation, certain of Constellation's products and services listed and described in Exhibit A (collectively, the "Products & Services") for use in connection with the Johnson Controls Hall of Fame Village in Canton, Ohio (the "Village"); and WHEREAS, Constellation desires to become a sponsor of the Village and to obtain the rights set forth herein in connection with such sponsorship. NOW, THEREFORE, in consideration of the promises herein contained, the Parties hereto agree as follows: ARTICLE 1 SUPPLY OF PRODUCTS & SERVICES 1.1 Sale of Products & Services. (a) The HOF Entities shall consult with Constellation to develop a comprehensive energy strategy with respect to the Products & Services listing in Exhibit A, which reflects sustainable product solutions, competitive market pricing (incorporating completion of the Supplier Component Questionnaire in the form of Exhibit B hereof for the applicable HOF Entity or affiliate), periodic reporting and analytics, regulatory/market intelligence and infrastructure services and equipment. Source: GPAQ ACQUISITION HOLDINGS, INC., S-4/A, 1/23/2020 (b) The HOF Entities or their affiliates shall, during the Term (as defined below), purchase from Constellation, and Constellation shall sell to the HOF Entities and/or their affiliates, as applicable, such Products & Services as shall be requested by an HOF Entity or its affiliates, in each case at the applicable Market Prices for such Products & Services and on competitive terms. For purposes of this Section 1.1(b), (i) the "Market Price" of any Products & Services shall mean the price for such Products & Services established by Constellation as the competitive market price at which such Products & Services are to be made available to Constellation's customers with a similar anticipated load profile within a specified utility service territory. Constellation shall invoice the applicable HOF Entity or its appropriate affiliate for all Products & Services purchased by such HOF Entity or its appropriate affiliate pursuant to the applicable Second Level Agreement (as defined below). In the event that the purchaser of Products & Services pursuant to this Article 1 is an affiliate of an HOF Entity (but not an HOF Entity), such affiliate shall be subject to Constellation's credit approval of such affiliate as the contracting entity. In the event that such affiliate does not meet Constellation's credit requirements (and in the event that such affiliate still desires to purchase such Products & Services), such affiliate shall provide to Constellation a surety bond reasonably acceptable to Constellation from a provider rated than A- (or an equivalent rating from S&P, Moody's, Fitch or AM Best) or better prior to the purchase of such Products & Services. (c) The Parties agree and acknowledge that neither HOF Entity or any of its respective affiliates shall be subject to any individual minimum purchase requirement (whether in terms of price, quantity or any other criteria) under this Agreement with respect to the Products & Services, but the HOF Entities and their respective affiliates remain subject to the aggregate EME financing pursuant to Section 2.4 during the Term. (d) All purchases of Products & Services from Constellation by the HOF Entities or their respective affiliates pursuant to this Agreement shall be made pursuant to a separate agreement executed between an HOF Entity or affiliate and Constellation which may include a master retail electricity supply agreement in substantially the form of Exhibit C-1, master retail natural gas supply agreement in substantially the form of Exhibit C-2, transaction confirmation in substantially the form of Exhibit C-3 or similar document or agreement (each, a "Second Level Agreement"). In the event of any conflict or inconsistency between this Agreement and any Second
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Extract the exact clause related to "Exclusivity" from the excerpt above.