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:
"""
weight) under this Supply Agreement and the Phase 3/Commercial Supply Agreement for such Extract shall not exceed [***] of the Fully Burdened Manufacturing Costs of such Extract; and to the extent the Extract to be supplied to SutroVax is Manufactured by a Third Party (including the Alternate Supplier), the Price to be charged to SutroVax under this Supply Agreement and the Phase 3/Commercial Supply Agreement for such Extract shall equal the amount Sutro paid such Third Party for such Extract ("OOP Cost") plus an amount reasonably calculated to cover Sutro's FTE costs to procure and manage the relationship with such Third Party, such amount not to exceed [***] of the OOP Cost for such Extract. To the extent that Sutro or its Affiliate receives any portion of the amounts paid to such Third Party to Manufacture Extract (e.g., as a profit share or otherwise), the Price to be charged SutroVax shall be the lesser of i) [***], or ii) [***]; in either case, [***]. For clarity, Section 3.4 of the License Agreement shall apply with respect to the Alternate Supplier. 2.15.4 Sutro/Third Party use of Alternate Supplier. Once the Alternate Supplier is qualified pursuant to this Section 2.15, SutroVax shall have the first right (as between SutroVax and Sutro or Third Parties supplied or authorized by Sutro) to obtain Extract Manufactured by the Alternate Supplier up to the Capacity established pursuant to the Transfer Addendum for a period ending the later of [***] or [***], and provided SutroVax commits to [***] or [***]. 2.16 Other Extracts. From time-to-time, subject to an agreed-upon Work Order, SutroVax may place purchase orders for quantities of research grade extract derived from strains of E. Coli other than that set forth on Schedule 1 attached hereto (each an "Other Extract"). Sutro shall use Commercially Reasonable Efforts to accept such purchase orders (and shall accept such purchase orders placed consistent with an agreed-upon Work Order) and manufacture and supply to SutroVax such Other Extracts. For the purpose of calculating the Price for Other Extracts in accordance with this Section, the Price will be the cost of materials and Sutro's labor at an FTE rate of [***] per year for Sutro laboratory scientists. Upon Sutro's acceptance of a purchase order for Other Extract, such Other Extract in such purchase order shall be deemed Extract for purposes of Sections 2.1, 2.2, 2.3, 2.4.1 (solely with respect to the last two sentences thereof), 2.5, 2.6, 2.7, 2.8, 2.9.1 , 3.1, 4, 5, 6, 7 and 9. 2.17 Manufacture of Custom Reagents. For clarity, SutroVax may Manufacture Custom Reagents itself or obtain supply thereof through a Third Party independent of this Supply Agreement and nothing in this Supply Agreement is intended to restrict SutroVax from doing so. Upon SutroVax's request, and subject to the remainder of the terms of this Section 2.17, Sutro shall (a) transfer to SutroVax or a contract manufacturer designated by SutroVax (which contract manufacturer is reasonably acceptable to Sutro, the approval of which shall not be unreasonably withheld, conditions or delayed by Sutro) as soon as reasonably practicable the process to Manufacture each Custom Reagent and the items of Sutro Know-How reasonably necessary for SutroVax or its designee to Manufacture each Custom Reagent, including cell lines, standard operating procedures, protocols, batch records, analytical method standard operating procedures and analytical method transfer protocols and (b) make Sutro Personnel reasonably available to SutroVax or its designee for scientific and technical explanations and on-site support that may reasonably be requested by SutroVax or its designee to Manufacture the Custom Reagents; provided however, that SutroVax shall fully reimburse Sutro for all documented time spent by Sutro's personnel to perform such transfer (on an FTE basis, each such FTE charged at an annual rate of [***]) and out-of-pocket costs incurred by Sutro in connection with all of the activities under the preceding sub-clauses (a) and (b), in accordance with a budget reasonably approved in advance by SutroVax. Upon such SutroVax request, Sutro and SutroVax shall, within [***] days, agree on a scope of work for such transfer, including scale, timeline, estimated budget, and required materials; both parties shall use reasonable efforts to complete the transfer as soon as reasonably practical. If requested by SutroVax (including if such request is prior to agreement on a scope of work), Sutro shall promptly transfer to SutroVax or its designee the cell lines, manufacturing instructions and analytical methods used for Manufacture of each Custom Reagent. For clarity, SutroVax shall have the right to enter into
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Extract the exact clause related to "Rofr/Rofo/Rofn" from the excerpt above.

assistant: Once the Alternate Supplier is qualified pursuant to this Section 2.15, SutroVax shall have the first right (as between SutroVax and Sutro or Third Parties supplied or authorized by Sutro) to obtain Extract Manufactured by the Alternate Supplier up to the Capacity established pursuant to the Transfer Addendum for a period ending the later of [***] or [***], and provided SutroVax commits to [***] or [***].