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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and technology will receive direct brand mention during any episode produced for 2016 by WCC to the extent the products and technology are used in the production. 3. XLI representatives will be included in WCC media days and will make guest appearances as the support for "Light Sheets". 4. XLI shall receive mentions in all applicable WCC press releases that relate to the "Light Sheets". 5. XLI shall receive 3 thirty second commercial spot times per episode produced for 2016 by WCC. All commercial pre and post production, fulfillment and delivery within deadlines will the responsibility of XLI. 6. WCC shall provide XLI the opportunity to integrate into the WCC SEMA Experience and other trade show Activities that WCC is part of. The terms of such a potential program to be mutually agreed upon under a separate agreement. 7. As part of any episode produced in 2016 by WCC, WCC will include the process of installation of "Light Sheets" on two Lamborghini's including the principal appearances of the owners of these Lamborghini's (CEO of XLI and the inventor of "Light Sheets"), allowing and capturing conversation regarding the direction of the custom work and details of the "Light Sheets". WCC will provide the installation of the "Light Sheets". WCC may elect to do both car simultaneously or separately. XLI and the two car owners will provide, at their expense, the cars and the "Light Sheets" product needed to complete this process in its entirety. For the purposes of the above, episodes are expected to be filmed during January - September 2016, with release dates anticipated for October - December 2016. All of the foregoing sponsor benefits shall be provided within the general parameters provided above. 7 Attachment B Sponsor Benefits Schedule Provided from XLI to WCC: XLI agrees to provide the following to WCC as part of this agreement: 1. Provide WCC with five million five hundred thousand (5,500,000) common stock shares of XLI Technologies, Inc. These shares will be issued within five (5) days of signing of this Agreement. The shares are fully earned and vested upon signing of this Agreement. The shares also have piggyback registration rights. 2. XLI will provide WCC "Light Sheets" at no cost for the exclusive use in the limited operations and production to support the PROMOTION activities. WCC will request "Light Sheets" for use in operations and projects for XLI consideration. XLI may provide "Light Sheets" at no cost for these uses at their sole discretion. WCC has no obligation to purchase "Light Sheets" if XLI is not providing them free of charge. If WCC elects to purchase "Light Sheets" from XLI, the cost charged to WCC will be the current wholesale distributor price. 8
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Extract the exact clause related to "Exclusivity" from the excerpt above.

assistant: Not found.