Exhibit 10.4

OTHER FIRST LIEN SECURED PARTY CONSENT

March 1, 2012

The undersigned is the Authorized Representative for Persons wishing to become
Secured Parties (the “New Secured Parties”) under the Amended and Restated
Collateral Agreement dated as of January 28, 2008 and as amended and restated as
of June 10, 2009 (as heretofore amended and/or supplemented, the “Collateral
Agreement” (terms used without definition herein have the meanings assigned to
such term by the Collateral Agreement)) among Caesars Entertainment Operating
Company, Inc. (formerly known as Harrah’s Operating Company, Inc.) (the
“Company”), the Subsidiary Parties party thereto and Bank of America, N.A., as
Collateral Agent (the “Agent”).

In consideration of the foregoing, the undersigned hereby:

(i) represents that the Authorized Representative has been duly authorized by
the New Secured Parties pursuant to Section 11.02(d) of the Base Indenture (as
defined herein) to become a party to the First Lien Intercreditor Agreement on
behalf of the New Secured Parties under the indenture, dated as of February 14,
2012 (the “Base Indenture”), by and among Caesars Escrow Corporation (“Escrow
Corp.”), Caesars Operating Escrow LLC (together with Escrow Corp., the “Escrow
Issuers”), Caesars Entertainment Corporation (“CEC”), as guarantor, and U.S.
Bank National Association, as trustee (the “Trustee”), as supplemented by a
supplemental indenture, to be entered into as of the date hereof, among the
Company, the Escrow Issuers and the Trustee, pursuant to which the Company will
assume the obligations of the Escrow Issuers under the Base Indenture (the “New
Secured Obligation”) and to act as the Authorized Representative for the New
Secured Parties;

(ii) acknowledges that the Authorized Representative has received a copy of the
Security Documents and the First Lien Intercreditor Agreement;

(iii) appoints and authorizes the Agent to take such action as agent on its
behalf and on behalf of all other Secured Parties and to exercise such powers
under the Security Documents and First Lien Intercreditor Agreement as are
delegated to the Agent by the terms thereof, together with all such powers as
are reasonably incidental thereto;

(iv) accepts and acknowledges the terms of the First Lien Intercreditor
Agreement applicable to it and the New Secured Parties and agrees to serve as
Authorized Representative for the New Secured Parties with respect to the New
Secured Obligations and agrees on its own behalf and on behalf of the New
Secured Parties to be bound by the terms thereof applicable to holders of Other
First Lien Obligations, with all the rights and obligations of a Secured Party
thereunder and bound by all the provisions thereof (including, without
limitation, Section 2.02(b) thereof) as fully as if it had been a Secured Party
on the effective date of the First Lien Intercreditor Agreement and agrees that
its address for receiving notices pursuant to the Security Documents and the
First Lien Intercreditor Agreement shall be as follows:

 

     U.S. Bank National Association        EP-MN-WS3C      60 Livingston Avenue
     St. Paul, MN 55107-1419      Attention:   Corporate Trust Services       
Raymond S. Haverstock   

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(v) confirms the authority of the Agent to enter into the Security Documents on
its behalf and on behalf of the New Secured Parties and agrees on its own behalf
and on behalf of the New Secured Parties to be bound by the terms thereof
applicable to it and the New Secured Parties as fully as if it had been a party
to each such agreement on behalf of itself and the New Secured Parties.

For the avoidance of doubt, it is acknowledged and agreed that this Other First
Lien Secured Party Consent shall constitute a “Security Document” as defined in
the Base Indenture.

The Agent, by acknowledging and agreeing to this Other First Lien Secured Party
Consent, accepts the appointment set forth in clause (iii) above.

THIS OTHER FIRST LIEN SECURED PARTY CONSENT SHALL BE GOVERNED BY, AND SHALL BE
CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

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IN WITNESS WHEREOF, the undersigned has caused this Other First Lien Secured
Party Consent to be duly executed by its authorized officer as of the date and
year first set forth above.

 

U.S. BANK NATIONAL ASSOCIATION,

AS AUTHORIZED REPRESENTATIVE

By:  

/s/ Raymond S. Haverstock

  Name: Raymond S. Haverstock   Title: Vice President ACKNOWLEDGED AND AGREED:

BANK OF AMERICA, N.A.,

AS COLLATERAL AGENT

By:  

/s/ Edward Martin

  Name: Edward Martin   Title: Director CAESARS ENTERTAINMENT OPERATING COMPANY,
INC. By:  

/s/ Jonathan S. Halkyard

  Name: Jonathan S. Halkyard   Title: Executive Vice President and Chief
Financial Officer

[Other First Lien Secured Party Consent – Collateral Agreement]