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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payment set forth below for twelve (12) consecutive Calendar Quarters following the expiration of the Term (the "Tail Period"); provided, however, the Tail Period shall be reduced to the number of full Calendar Quarters completed during the Term if less than twelve (12) Calendar Quarters if either Party terminates the Agreement without cause pursuant to Section 8.4 or Exact terminates as a result of a Change of Control pursuant to Section 8.6. Such royalty payment shall be payable to Pfizer within thirty (30) days of the end of each Calendar Quarter. Royalty payments shall be determined by multiplying the Laboratory Services Revenue and the applicable royalty rate from the chart below. Cumulative Incremental Laboratory Services Revenue during the Term Applicable Royalty Rate If < $200 million 0% If > $200 million and < $400 million 1% If > $400 million and < $600 million 2% If > $600 million 3% 49 Source: EXACT SCIENCES CORP, 8-K, 8/22/2018 For example, if the cumulative Incremental Laboratory Services Revenue achieved during the Term is $500 million, the applicable royalty rate is 2%. The royalty payable by Exact to Pfizer at the end of each Calendar Quarter after the Term is 2% of Laboratory Service Revenues for the applicable Calendar Quarter. 8.8 Consequences of Termination. (a) In the event of any termination under this Agreement, (i) Pfizer shall have no obligation to invest Shared M&P Expenses pursuant to Section 3.5 as of the effective date of the termination (except as set forth below), (ii) Pfizer shall cease to make any commitments under Section 3.2(d) as of the date of notice of termination, unless Exact notifies Pfizer pursuant to Section 8.8(b) and (iii) neither Party shall have any obligation to reimburse the other Party for any expenses for activities conducted after the effective date of such termination unless such expenses were incurred prior to termination. Notwithstanding the above, Exact agrees to pay any financial commitment made by Pfizer pursuant to Section 3.2(d) and Exhibit 3.2(d) to Third Parties following the effective date of termination; provided that such amounts conform with the then-current Annual Marketing Plan, including the budget. (b) Exact shall use commercially reasonable efforts to provide six (6) month notice prior to the expiry of the Term, or in the case of termination by Pfizer under Section 8.4, within the applicable notice period in advance of the effective date of such termination, that Exact intends for Pfizer to continue providing Advertising services for the Product pursuant to Section 3.2(d). Thereafter, the Parties will use good faith efforts to agree to the Advertising services that will be provided by Pfizer during the Tail Period in accordance with Section 3.2(d) and Exhibit 8.8(b). For clarity, Pfizer's obligation to provide Advertising services during the Tail Period is limited to the expiry of the Term or termination by Pfizer pursuant to Section 8.4, or termination by Exact pursuant to Section 8.3. (c) In the event Exact terminates this Agreement for cause pursuant to Section 8.3 or Pfizer terminates this Agreement without cause pursuant to Section 8.4, Exact shall not be obligated to pay Pfizer a supplemental Promotion Fee pursuant to Section 4.2(c) for the Calendar Year, or any portion of such Calendar Year in which such termination occurs. 8.9 Survival of Certain Obligations. Expiration or termination of the Agreement shall not relieve the Parties of any obligation accruing before such expiration or termination, and the provisions of Sections 1 (Definitions), 2.5 (Alliance Managers), 3.2(d) (Advertising), 3.2(e)(iii) (Return of Training Materials), 3.2(j) (Customer Service Activities; Safety Reporting), 4.4 (Taxes and Withholding); 4.7 (Maintenance of Records; Audits), 6 (Indemnification; Limitation of Liability; Insurance), 7 (Confidentiality; Publicity); 8 (Term and Termination) and 9 (Miscellaneous) inclusive, shall survive the expiration of the Agreement. Any expiration or early termination of this Agreement shall be without prejudice to the 50 Source: EXACT SCIENCES CORP, 8-K, 8/22/2018 rights of either Party against the other accrued or accruing under this Agreement before termination. 9. MISCELLANEOUS. 9.1 Interpretation. Except where the context expressly requires otherwise, (a) the use of any gender herein will be deemed to encompass references to either or both genders, and the use of the singular will be deemed to include the plural (and vice versa), (b) the words "include", "includes" and "including" will be deemed to be followed by the phrase "without limitation", (c) the word "will" will be construed to have the same meaning and effect as the word "shall", (d) any reference herein to any Person will be construed to include
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Extract the exact clause related to "Revenue/Profit Sharing" from the excerpt above.

assistant: Such royalty payment shall be payable to Pfizer within thirty (30) days of the end of each Calendar Quarter.