Exhibit 4.10

CALCULATION AGENCY AGREEMENT

BETWEEN

UNIVERSAL CITY FLORIDA HOLDING CO. I

UCFH I FINANCE, INC.

UNIVERSAL CITY FLORIDA HOLDING CO. II

UCFH I FINANCE, INC.

AND

THE BANK OF NEW YORK TRUST COMPANY, N.A.

$300,000,000 Senior Floating Rate Notes due 2010

THIS AGREEMENT is made as of December 9, 2004, between Universal City Florida Holding Co. I, a Florida general partnership (“Holding I”), UCFH I Finance, Inc., a Florida corporation (“UCFH I Finance”), Universal City Florida Holding Co. II, a Florida general partnership (“Holding II”), UCFH II Finance, Inc., a Florida corporation (“UCFH II Finance”) (together, the “Issuers”), whose principal executive offices are at 1000 Universal Studios Plaza, Orlando, FL 32819-7610, and THE BANK OF NEW YORK TRUST COMPANY, N.A., a New York banking corporation, whose principal corporate trust office is at 101 Barclay Street, New York, New York 10286 (together with any successor, called the “Calculation Agent”).

W I T N E S S E T H :

WHEREAS, the Issuers propose to issue and sell certain of their securities designated as $300,000,000 Senior Floating Rate Notes due 2010 (the “Notes”) and $150,000,000 8³/₈% Senior Notes due 2010.  The Notes will be sold by the Issuers to J.P. Morgan Securities, Inc. and Banc of America Securities LLC, as intial purchasers (the “Initial Purchasers”).  The Notes are to be issued under an Indenture dated as of December 9 2004, between the Issuers and The Bank of New York Trust Company, N.A., as Trustee (the “Trustee”) (the “Indenture”).  Terms used but not defined herein shall have the meanings assigned to them in the Offering Memorandum, dated December 2, 2004, relating to the Notes (the “Offering Memorandum”).

For the purpose of appointing an agent to calculate the interest rate based on the CD Rate, the Commercial Paper Rate, the Federal Funds Rate, LIBOR, the Prime Rate or the Treasury Rate, as applicable, on the Notes bearing interest at a rate calculated with reference to such Base Rates (the “Floating Rate Notes”), the Issuers and The Bank of New York Trust Company, N.A. agree as follows:

1.             Upon the terms and subject to the conditions contained herein, the Issuers hereby appoint the Calculation Agent as its Calculation Agent and Calculation Agent hereby accepts such appointment as the Issuers’ agent for the purpose of calculating the interest rates on the Notes in the manner and at the times provided in the Offering Memorandum.

2.             The Calculation Agent shall exercise due care to determine the interest rates on the Floating Rate Notes and shall communicate the same to the Issuers, the Trustee, The Depository Trust Company and any paying agent identified to it in writing as soon as practicable after each determination.  The Calculation Agent will, upon the request of the holder of any Floating Rate Note, provide the interest rate then in effect with respect to such Floating Rate Note and, if determined, the interest rate with respect to such Floating Rate Note which will become effective on the next Interest Reset Date.  [The Calculation Agent and the Issuers agree to comply with the Administrative Procedures attached hereto as Exhibit A.]  No amendment to the provisions of the [Floating Rate Notes] [Administrative Procedures] relating to the duties or obligations of the Calculation Agent hereunder may become effective without the prior written consent of the Calculation Agent, which consent shall not be unreasonably withheld.

3.             The Calculation Agent accepts its obligations set forth herein, upon the terms and subject to the conditions hereof, including the following, to all of which the Issuers agree:

(a)           The Calculation Agent shall be entitled to such compensation as may be agreed upon with the Issuers for all services rendered by the Calculation Agent, and the Issuers promise to pay such compensation and to reimburse the Calculation Agent for the out-of-pocket expenses (including attorneys’ and other professionals’ fees and expenses) incurred by it in connection with the services rendered by it hereunder upon receipt of such invoices as the Issuers shall reasonably require.  The Issuers also agrees to indemnify the Calculation Agent for, and to hold it harmless against, any and all loss, liability, damage, claim or expense (including the costs and expenses of defending against any claim (regardless of who asserts such claim) of liability) incurred by the Calculation Agent that arises out of or in connection with its accepting appointment as, or acting as, Calculation Agent hereunder, except such as may result from the gross negligence, willful misconduct or bad faith of the Calculation Agent or any of its agents or employees.  The Calculation Agent shall incur no liability and shall be indemnified and held harmless by the Issuers for, or in respect of, any actions taken, omitted to be taken or suffered to be taken in good faith by the Calculation Agent in reliance upon (i) the opinion or advice of legal or other professional advisors satisfactory to it or (ii) written instructions from the Issuers.  The Calculation Agent shall not be liable for any error resulting from the use of or reliance on a source of information used in good

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faith and with due care to calculate any interest rate hereunder.  The provisions of this section shall survive the termination of this Agreement.

(b)           In acting under this Agreement and in connection with the Floating Rate Notes, the Calculation Agent is acting solely as agent of the Issuers and does not assume any obligations to or relationship of agency or trust for or with any of the owners or holders of the Notes.

(c)           The Calculation Agent shall be protected and shall incur no liability for or in respect of any action taken or omitted to be taken or anything suffered by it in reliance upon the terms of the Notes, any notice, direction, certificate, affidavit, statement or other paper, document or communication reasonably believed by it to be genuine and to have been approved or signed by the proper party or parties.

(d)           The Calculation Agent, its officers, directors, employees and shareholders may become the owners of, or acquire any interest in, any Notes, with the same rights that it or they would have if it were not the Calculation Agent, and may engage or be interested in any financial or other transaction with the Issuers as freely as if it were not the Calculation Agent.

(e)           Neither the Calculation Agent nor its officers, directors, employees, agents or attorneys shall be liable to the Issuers for any act or omission hereunder, or for any error of judgment made in good faith by it or them, except in the case of its or their gross negligence or willful misconduct.

(f)            The Calculation Agent may consult with counsel of its selection and the advice of such counsel or any opinion of counsel shall be full and complete authorization and protection in respect of any action taken, suffered or omitted by it hereunder in good faith and in reliance thereon.

(g)           The Calculation Agent shall be obligated to perform such duties and only such duties as are herein specifically set forth, and no implied duties or obligations shall be read into this Agreement against the Calculation Agent.

(h)           Unless herein otherwise specifically provided, any order, certificate, notice, request, direction or other communication from the Issuers made or given by it under any provision of this Agreement shall be sufficient if signed by any officer of any of the Issuers.

(i)            The Calculation Agent may perform any duties hereunder either directly or by or through agents or attorneys, and the Calculation Agent shall not be

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responsible for any misconduct or negligence on the part of any agent or attorney appointed with due care by it hereunder.

(j)            In no event shall the Calculation Agent be responsible or liable for special, indirect, or consequential loss or damage of any kind whatsoever the (including, but not limited to, loss of profit) irrespective of whether the Calculation Agent has been advised of the likelihood of such loss or damage and regardless of the form of action.

(k)           In no event shall the Calculation Agent be responsible or liable for any failure or delay in the performance of its obligations under this Agreement arising out of or caused by, directly or indirectly, forces beyond its reasonable control, including without limitation strikes, work stoppages, accidents, acts of war or terrorism, civil or military disturbances, nuclear or natural catastrophes or acts of God, and interruptions, loss or malfunctions of utilities, communications or computer (software or hardware) services.

4.             (a)           The Calculation Agent may at any time resign as Calculation Agent by giving written notice to the Issuers of such intention on its part, specifying the date on which its desired resignation shall become effective; provided, however, that such date shall never be earlier than 30 days after the receipt of such notice by the Issuers, unless the Issuers agree to accept less notice.  The Calculation Agent may be removed at any time by the filing with it of any instrument in writing signed on behalf of the Issuers and specifying such removal and the date when it is intended to become effective.  Such resignation or removal shall take effect upon the date of the appointment by the Issuers, as hereinafter provided, of a successor Calculation Agent.  If within 30 days after notice of resignation or removal has been given, a successor Calculation Agent has not been appointed, the Calculation Agent may, at the expense of the Issuers, petition a court of competent jurisdiction to appoint a successor Calculation Agent.  A successor Calculation Agent shall be appointed by the Issuers by an instrument in writing signed on behalf of the Issuers and the successor Calculation Agent.  Upon the appointment of a successor Calculation Agent and acceptance by it of such appointment, the Calculation Agent so succeeded shall cease to be such Calculation Agent hereunder.  Upon its resignation or removal, the Calculation Agent shall be entitled to the payment by the Issuers of its compensation, if any is owed to it, for services rendered hereunder and to the reimbursement of all out-of-pocket expenses incurred in connection with the services rendered by it hereunder and to the payment of all other amounts owed to it hereunder.

(b)           Any successor Calculation Agent appointed hereunder shall execute and deliver to its predecessor and to the Issuers an instrument accepting such appointment hereunder, and thereupon such successor Calculation Agent, without any

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