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:
"""
EXHIBIT 'B' This Exhibit B is entered into as of the 26th day of March 2020 by and between Kubient, Inc. ("Kubient"), and The Associated Press ("Customer"). This Exhibit is hereby incorporated into and made a part of the Master Services Agreement (the "Agreement") between the Parties (Effective Date: February 5, 2020). NATURE OF ENGAGEMENT: Customer has retained Kubient to help increase revenue from its consumer offerings, including but not limited to its websites, apps, videos, and podcasts. SERVICES: Kubient shall provide to Customer advertising and related business revenue consultation with respect to the AP News site, AP News mobile app, AP DNE sites and widgets. This includes all categories identified in the threshold table in Schedule 1 to Exhibit B. REVENUE SHARE/FEE: Commencing on March 1, 2020 and thereafter, the Parties shall share revenue generated from Customer's consumer offerings, including but not limited to its content, technology, traffic, data, websites, apps, videos and podcasts, without offset and regardless of which Party is responsible for securing such revenue, as per the attached Schedule 1. RECONCILIATION/PAYMENT TERMS: The Parties agree to reconcile revenue numbers and the revenue share calculations no later than 10 days following the end of each calendar month during which the Services were rendered. Subject to the doctrine of sequential liability, payment shall be made to the appropriate Party net 30 days from the end of the calendar month. NON-CIRCUMVENT: As part of the Services provided under the Agreement and any applicable exhibits, Kubient will be working with and introducing certain third-party advertisers, sponsors, agencies, media buyers, service providers, vendors, publishers, affiliates and/or media partners (collectively "Third-Party") with whom Customer does not have a pre-existing relationship. During the Term and any renewal terms of the Agreement, and for a period of one (1) year following the expiration or earlier termination thereof, Customer agrees not to work with, directly or indirectly, any Third-Party that Customer comes to know through disclosure by Kubient as part of the Services, without the express written consent of Kubient and compensation to Kubient under the applicable exhibit and/or schedule. Provided however, this provision shall not apply in the event Customer can establish, in writing, that it had a preexisting working relationship with such Third-Party prior to the Agreement and without Kubient's assistance. Customer acknowledges that this provision is reasonable and necessary for the protection of Kubient and that Kubient will be irrevocably damaged if such covenant is not specifically enforced. Customer further agrees that Kubient will be entitled to seek injunctive relief for the purpose of restraining Customer from violating this covenant (and no bond or other security shall be required in connection therewith) in addition to any other relief to which Kubient may be entitled under the Agreement. NON-SOLICITATION: During the Term and any renewal terms of the Agreement, and for a period of one (1) year following the expiration or earlier termination thereof, Customer shall not, without Kubient's prior written consent, directly or indirectly (i) solicit or encourage any person to leave the employment or other service of Kubient; or (ii) hire, on behalf of Customer or any other person or entity, any person who has left the employment of Kubient within the one (1) year period following the termination or end of that person's employment. During the Term and any renewal terms of the Agreement, and for a period of one (1) year following the expiration or earlier termination thereof, Customer shall not, whether for its own account or for the account of any other person or entity, interfere with the relationship of Kubient with, or endeavor to entice away from Kubient, any person or entity who was or is a an employee or Third-Party of Kubient. CONFLICTING TERMS: The Schedule 1 shall supersede the flat fee and Initial Revenue Share set forth in Exhibit A. The payment term provision above shall supersede the payment term provision set forth in Exhibit A. IN WITNESS WHEREOF, the parties hereto have caused this Exhibit A to be executed by their duly authorized representatives as of the 26th day of March, 2020. Kubient Signature: By: /s/ Paul Roberts Its: President Date: 3/27/2020 Customer Signature: By: /s/ Ted Mendelsohn Its: VP, Commercial Mkts Date: 3/27/2020 SCHEDULE 1 TO EXHIBIT 'B' This Schedule 1 to Exhibit B ("Schedule 1") is entered into as of the 26th day of March, 2020 by and between Kubient, Inc. ("Kubient"), and The Associated Press ("Customer"). This Schedule 1 is hereby incorporated into and made a part of Exhibit B to
"""

Extract the exact clause related to "Expiration Date" from the excerpt above.

assistant: Not found.