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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in an applicable SOW and/or the roles and responsibilities matrix described above in Table 2. Any such costs must be approved in advance by Sonos in writing. *Confidential Treatment Requested [*] Certain confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 406 of the Securities Act of 1933, as amended. SONOS, INC. AMENDMENT TO MANUFACTURING AGREEMENT November 1, 2015 WHEREAS, Sonos, Inc. (hereinafter "Sonos") and Inventec Appliances Corporation (hereinafter "IAC") have entered into a certain Manufacturing Agreement dated September 4, 2014 (the "Agreement"); and WHEREAS, both Sonos and IAC desire to modify certain terms of the Agreement as specified below. NOW, THEREFORE, in consideration of the mutual promises and covenants contained herein and for other good and valuable consideration the sufficiency of which is hereby acknowledged by both parties hereto, the parties agree to amend and modify the Agreement as set forth below: 1. Section 4.15 set forth below is hereby added to the Agreement following Section 4.14: 4.15 Locking Procedures. IAC represents and warrants that it shall comply with all locking and unlocking procedures communicated to IAC by Sonos for any Sonos Product. Sonos may update these procedures at any time by providing IAC with written notice of the revised procedures, and the original and revised procedures are hereby incorporated into this Agreement. The testing of Product Units shall be managed to ensure that a dev unlocked unit is relocked in preparation for storage when it is no longer actively in use, or is destroyed. No dev unlocked units shall be removed from the IAC manufacturing facility without the specific written consent of Sonos in each instance. In the event that a dev unlocked Product Unit is required to be transported outside of the IAC manufacturing facility, IAC hereby agrees that it will ensure that the Product Unit is dev relocked prior to transport. IAC shall never use a Product Unit for production if, at any point, IAC or Sonos has dev unlocked the Product Unit. 2. Section 4.16 set forth below is hereby added to the Agreement following Section 4.15: 4.16 Scrapping Procedures. IAC represents and warrants that it shall comply with all scrapping procedures communicated to IAC by Sonos for any Sonos Product. Sonos may update these procedures at any time by providing IAC with written notice of the revised procedures, and the original and revised procedures are hereby incorporated into this Agreement. 3. For purposes of Section 10.4 and 11 of the Agreement, the additional representations and warranties outlined herein shall be treated as if they are a part of Section 10 of the Agreement. 4. Except for terms amended, replaced or added herein, all of the provisions of the Agreement shall remain unchanged, in full force and effect. [Signature Page Follows] IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date first set forth above. INVENTEC APPLIANCES CORPORATION By: Name: Title: SONOS, INC. By: /s/ Craig A. Shelburne Craig A. Shelburne [*] Certain confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 406 of the Securities Act of 1933, as amended. SONOS, INC. AMENDMENT TO MANUFACTURING AGREEMENT October 1, 2017 WHEREAS, Sonos, Inc. (hereinafter "Sonos") and Inventec Appliances Corporation (hereinafter "IAC") have entered into a certain Manufacturing Agreement dated September 4, 2014, as amended (the "Agreement"); and WHEREAS, both Sonos and IAC desire to modify certain terms of the Agreement as specified below. NOW, THEREFORE, in consideration of the mutual promises and covenants contained herein and for other good and valuable consideration the sufficiency of which is hereby acknowledged by both parties hereto, the parties agree to amend and modify the Agreement as set forth below: 1. Section 1.12 is hereby replaced in its entirety with the following: 1.12 "Delivery Date" means the date that a Product Build (or portion thereof) is presented for acceptance by a Designated Carrier at the IAC Manufacturing Facility. 2. Section 6.5 of the Agreement is hereby replaced in its entirety with the following: 6.5 Shipping Term; Title and Risk of Loss. Unless otherwise specified to the contrary on a Purchase Order (and subsequently acknowledged in writing by IAC), shipping terms are [*], and include all elements of the INCOTERMS 2010 definition, subject to the specifics outlined in the table presented below. [*] Upon completion of its responsibilities above and delivery to the Designated Carrier, title
"""

Extract the exact clause related to "Revenue/Profit Sharing" from the excerpt above.

assistant: Not found.