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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EXHIBIT 99.4 DATED 15TH DECEMBER 2001 CHINA ECONOMIC INFORMATION SERVICE OF XINHUA NEWS AGENCY AND XINHUA FINANCIAL NETWORK LIMITED ---------- CONTENT LICENSE AGREEMENT SUPPLEMENT TO THE EXCLUSIVE BROADCASTING AGREEMENT ---------- BAKER & McKENZIE 14th Floor Hutchison House 10 Harcourt Road Hong Kong Tel: 2846-1888 Fax: 2845-0476 CONTENT Clause Page ------ ---- 1. Definitions and Interpretation....................................... 1 2. Grant of Rights...................................................... 2 3. Delivery of Content.................................................. 3 4. Consideration........................................................ 3 5. Representations and Warranties....................................... 4 6. Indemnity............................................................ 4 7. Term................................................................. 5 8. Termination.......................................................... 5 9. Further Assurance.................................................... 6 10. Entire Agreement; Amendments......................................... 6 11. Severance............................................................ 6 12. No Waiver............................................................ 6 13. Costs And Expenses................................................... 6 14. Counterparts......................................................... 6 15. Notice............................................................... 6 16. Governing Law And Arbitration........................................ 7 Execution................................................................ 8 Schedule 1 - Contents -i- THIS AGREEMENT is made the 15th day of December 2001. BETWEEN (1) CHINA ECONOMIC INFORMATION SERVICE OF XINHUA NEWS AGENCY, the organisation within the Xinhua News Agency that is responsible for news and information operations and business, registered in the People's Republic of China with offices at 57 Xuanwumen Xidajie, Beijing, the People's Republic of China ( "CEIS"); and (2) XINHUA FINANCIAL NETWORK LIMITED, a company incorporated in Hong Kong whose registered office is at Room 2003-4, Vicwood Plaza, 199 Des Voeux Road Central, Hong Kong ("XFN"), (collectively referred to as "PARTIES"; individually, a "PARTY"). Source: XINHUA SPORTS & ENTERTAINMENT LTD, F-1, 2/21/2007 WHEREAS: (A) CEIS is the owner and distributor of certain content of Xinhua News Agency relating to financial and economic information; (B) CEIS wishes to appoint XFN as its licensee to distribute the content to users throughout the world in accordance with the terms and conditions of this Agreement. IT IS HEREBY AGREED as follows: 1. DEFINITIONS AND INTERPRETATION 1.1 In this Agreement unless the context otherwise requires the following words shall have the following meaning: "AFFILIATES" means any company, corporation, partnership, joint venture or other entity that directly or indirectly controls, is controlled by or is under common control with XFN; "CONTENT" means real-time economic news including articles, reports, data, information and such materials that have or have been and/or will be published from time to time and that is or will be in the possession or control of CEIS from time to time, in respect of the subject matters as more particularly described in Schedule 1; EFFECTIVE DATE means 18 May 2000; "INTELLECTUAL means patents, trade marks, service marks, trade names, PROPERTY RIGHTS" design rights (whether registrable or not), any applications for the foregoing, copyright and other assignable intellectual property -1- rights (whether registrable or not) in any country, including but not limited to the format, layout, and the look and feel of any of the Content; "TERM" means the term as set out in Clause 7; and "TERRITORY" means the world excluding the People's Republic of China. 1.2 Words importing the singular number shall include the plural and vice versa. 1.3 Words importing any particular gender shall include all other genders. 1.4 References in this Agreement to Clauses and Schedules are to clauses of and schedules to this Agreement except where otherwise expressly stated. 1.5 Headings are used in this Agreement for the convenience of the Parties only and shall not be incorporated into this Agreement and shall not be deemed to be any indication of the meaning of the Clauses or Schedules to which they relate. 2. GRANT OF RIGHTS 2.1 Exclusive Rights in the Territory: CEIS hereby grants XFN and its Affiliates an exclusive license (free of all third-party liens, claims and encumbrances) to, and to permit others to, during the Term in the Territory: Source: XINHUA SPORTS & ENTERTAINMENT LTD, F-1, 2/21/2007 (a) store or cache the Content in one or more host computers controlled directly or indirectly by XFN or its Affiliates; (b) adapt, translate, modify, reproduce, copy, amend, revise or encode the Content; and (c) publish, broadcast, distribute, re-distribute, transmit, display, make available to the public or otherwise exploit the Content in any manner by any device or in media now or hereafter known. 2.2 Non-exclusive Rights in the People's Republic of China: CEIS hereby grants XFN and its Affiliates a non-exclusive license (free of all third-party liens, claims and encumbrances) to, and to permit others to, during the Term in the People's Republic of China: (a) store or cache the Content in one or more host computers controlled directly or indirectly by XFN or its Affiliates; (b) adapt, translate, modify, reproduce, copy, amend, revise or encode the Content; and (c) publish, broadcast, distribute, re-distribute, transmit,
"""

Extract the exact clause related to "Source Code Escrow" from the excerpt above.