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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does not include freight or insurance. Seller and Buyer shall meet on or before December 31, [*****] to assess the requirements for a price and/or volume adjustment in good faith on the price for Products sold by Seller/ExxonMobil Selling Affiliates to Buyer/Buyer Affiliates for years [*****] and [*****]. Notwithstanding anything to the contrary in Attachments A, G and H to this Agreement, the parties agree that any permitted adjustments to the price, freight or payment terms for Products sold hereunder will be governed by the terms of the Pricing and Payment Terms sections of this Agreement. Buyer Affiliates shall pay ExxonMobil's Selling Affiliates invoice(s) not later than the days set forth in Attachment E hereto. All invoices shall be paid in full by wire transfer in accordance with the invoice's instructions. Crude Trigger Clause Product price(s) shall be subject to the Average Brent crude oil price evolution (as further detailed below) in order to reflect the cost of energy. Should the Average Brent crude oil price at any moment during the term of this Agreement move to a different Average Brent crude oil price bracket as mentioned below, Seller may increase or decrease the Product price by $[*****] for every $[*****] change in the Average Brent crude oil price. In no event shall the Product price's increase or decrease exceed $[*****] for every $[*****] change in the Average Brent crude oil price brackets. Each Average Brent crude oil bracket is calculated on a $5 range basis (e.g., $30-$35, $40-$45, $50-$55, etc.). The Average Brent crude oil price evolution shall be expressed as the three-month average spot price per barrel of the Brent crude Source: WEST PHARMACEUTICAL SERVICES INC, 8-K, 1/16/2020 oil (as published in the Wall Street Journal). This average shall be calculated as the average of the prices for the immediate preceding three consecutive calendar months, with each month's price calculated as the average of the daily prices. Any conversion between United States Dollars and Euros will be carried out by using the average of the European Central Bank's daily foreign exchange rate as published in Reuter's screen ECB 37 for the period in question. Any Product price adjustment shall take effect the month immediately following Seller's notification of an increase or decrease in Product price. TITLE AND RISK OF LOSS - EXXONMOBIL CHEMICAL COMPANY AND EXXONMOBIL CHEMICAL SERVICES AMERICAS INC. Title to the Product(s) to be sold and delivered hereunder will transfer simultaneously with the risks upon delivery as per the applicable lncoterm (lncoterms 2010) in Attachment E with the exception of the following: For Product sold and/or sourced by ExxonMobil Chemical Company or ExxonMobil Chemical Services Americas Inc. that is shipped overseas to a non-U.S. location, title and risk of loss of Product shall transfer from ExxonMobil Chemical Company or ExxonMobil Chemical Services Americas Inc. to Buyer Affiliates at the first point upon which the delivering marine vessel crosses the outer boundary of the United States Exclusive Economic Zone (EEZ). The EEZ extends 200 nautical miles beyond the coastal baseline defined in the United Nations Convention on the Law of the Sea. For Product sold by ExxonMobil Chemical Company that is transported by land to Mexico, title and risk of loss of Product shall transfer from ExxonMobil Chemical Company to Buyer Affiliates at the frontier between Laredo, Texas, U.S.A. and Mexico (not unloaded), but prior to the customs border of Mexico. LOCATIONS OF SUPPLY Buyer/Buyer Affiliates that may purchase Product from ExxonMobil Selling Affiliates are listed in Attachment C. Other products and locations may be added upon mutual agreement in writing. Any and all sales of Product between ExxonMobil Chemical Company and/or ExxonMobil Chemical Services Americas, Inc. and Buyer Affiliates in the U.S., Mexico and Brazil shall be subject to the terms and conditions set forth in Attachment A hereto. Any and all sales of Product between ExxonMobil Petroleum & Chemical and Buyer Affiliates in France, Germany, Denmark, Serbia, Ireland and the United Kingdom shall be subject to the terms and conditions set forth in Attachment H hereto. Any and all sales of Product between ExxonMobil Chemical Asia Pacific and Buyer Affiliates in Singapore, China and India shall be subject to the terms and conditions set forth in Attachment G hereto. Buyer/Buyer Affiliates are responsible for the Product and returnable crates in their custody at the sales value of the Product and the replacement value of the metal crates, respectively. The terms relating to the use and return of metal crates are set out in Attachment F.
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Extract the exact clause related to "Minimum Commitment" from the excerpt above.