BOYD GAMING CORP
LETTER AGREEMENT DATED MAY 30, 2003.
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<DESCRIPTION>LETTER AGREEMENT DATED MAY 30, 2003.
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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2"><B>EXHIBIT 10.30 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2">May 30, 2003 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2">Mr. John T. Redmond </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman"
SIZE="2">President and Chief Executive Officer </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2">MGM Grand Resorts </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2">3600 Las Vegas Boulevard, South </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT
FACE="Times New Roman" SIZE="2">Las Vegas, NV 80109 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2"><B><I>Re: Increase in
Scope of Construction of the Borgata </I></B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman"
SIZE="2">Dear Mr. Redmond: </FONT></P> <P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">This letter agreement (&#147;Letter
Agreement&#148;) represents the agreement to an increase in the scope of the Facility (as detailed below), to be constructed in accordance with the terms of that certain Operating Agreement (the &#147;Operating Agreement&#148;) of Marina District
Development Holding Co., LLC, a New Jersey limited liability company (&#147;Holding Co.&#148;) as adopted and amended by that certain Contribution and Adoption Agreement, effective December 13, 2000, by and among Holding Co., MAC, CORP., a New
Jersey corporation (&#147;MR Sub&#148;) and Boyd Atlantic City, Inc., a New Jersey corporation (&#147;Boyd Sub&#148;). MR Sub and Boyd Sub are the Members of Holding Co. Unless otherwise defined herein, all capitalized terms in this Letter Agreement
shall have the same meaning ascribed to such terms in the Operating Agreement. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT
FACE="Times New Roman" SIZE="2">The parties hereby agree as follows: </FONT></P> <P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman"
SIZE="2">A. MR Sub and Boyd Sub agree and acknowledge that the following shall represent an increase in the scope of the Facility for purposes of Section 3.3(b)(iii) of the Operating Agreement: </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2"><U>Signature Suites:</U> Two (2) designer suites, each at least 4,500 square
feet, including entry foyer, entertainment area, living room, dining room, butler&#146;s pantry, bedroom, bathroom, office/den area, powder room and custom features throughout (the &#147;Signature Suites&#148;), will be constructed increasing the
aggregate shared Project Costs by no more than Five Million Eight Hundred Thousand Dollars ($5,800,000). The Signature Suites shall be constructed by Marina District Development Company, LLC (&#147;MDDC&#148;) in the hotel tower of Borgata Hotel
Casino &amp; Spa. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">B. MR Sub and Boyd Sub shall share equally
in the increase, if any, in the aggregate Project Costs up to but not exceeding the approved increase in scope as set forth in Section A of this Letter Agreement. As a result of the approved increase in scope of the Facility, the responsibility of
Boyd Sub to make additional capital contributions due to cost overruns, pursuant to Section 3.3(b) of the Operating Agreement, shall not be triggered until, and only to the extent that, the aggregate Project Costs exceed One- Billion Seventy-Two
Million Eight-Hundred Thousand Dollars ($1,072,800,000), which represents One-Billion Sixty-Seven Million Dollars ($1,067,000,000) plus the amount set forth Section A of this Letter Agreement. Correspondingly, Boyd Sub and MR Sub shall share equally
in all In Balance Contributions, if any, required by the provider of Construction Financing to the extent such In Balance Contributions relate to the approved increase in scope as set forth in this Letter Agreement. </FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2">To: Mr. John T. Redmond </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2">May 30, 2003 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman"
SIZE="2">Page Two </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">C. The Signature Suites shall be considered
a part of the Program and the Facility for all purposes under the Operating Agreement. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman"
SIZE="2">Please indicate your agreement to the terms of this Letter Agreement by countersigning below, where indicated.<U></U> </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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<TD VALIGN="top" COLSPAN="3" WIDTH="90%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Very truly yours,</FONT></P></TD></TR>
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<TD VALIGN="top" COLSPAN="3" WIDTH="90%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">BOYD GAMING CORPORATION, a</FONT></P></TD></TR>
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<TD VALIGN="top" COLSPAN="3" WIDTH="90%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Nevada corporation</FONT></P></TD></TR>
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<TD VALIGN="top" WIDTH="8%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="2%" ><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">/s/ ELLIS LANDAU</FONT></P><HR SIZE="1" NOSHADE COLOR="#000000"></TD></TR>
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<TD VALIGN="top" WIDTH="8%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Its:</FONT></P></TD>
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<TD VALIGN="top" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Executive Vice President, Treasurer</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">and Chief Financial Officer</FONT></P></TD></TR>
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<TD VALIGN="top" COLSPAN="3" WIDTH="90%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">BOYD ATLANTIC CITY, INC.,</FONT></P></TD></TR>
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<TD VALIGN="top" COLSPAN="3" WIDTH="90%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">New Jersey corporation</FONT></P></TD></TR>
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<TD VALIGN="top" WIDTH="8%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="2%" ><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">/s/ ELLIS LANDAU</FONT></P><HR SIZE="1" NOSHADE COLOR="#000000"></TD></TR>
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<TD VALIGN="top" WIDTH="8%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Its:</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="2%" ><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Vice President, Treasurer and</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Chief Financial Officer</FONT></P></TD></TR>
</TABLE> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">ACCEPTED AND AGREED TO
this 30TH day of MAY, 2003: </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><DIV ALIGN="right">
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<TD VALIGN="top" COLSPAN="3" WIDTH="90%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">MAC, CORP., a New Jersey corporation</FONT></P></TD></TR>
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<TD VALIGN="top" WIDTH="8%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="2%" ><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">/s/ JOHN REDMOND</FONT></P><HR SIZE="1" NOSHADE COLOR="#000000"></TD></TR>
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<TD VALIGN="top" WIDTH="8%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Its:</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="2%" ><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">CHAIRMAN</FONT></P></TD></TR>
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<TD VALIGN="top" COLSPAN="3" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">MIRAGE RESORTS, INCORPORATED,</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">a Nevada corporation</FONT></P></TD></TR>
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<TD VALIGN="top" WIDTH="8%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="2%" ><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">/s/ JOHN REDMOND</FONT></P><HR SIZE="1" NOSHADE COLOR="#000000"></TD></TR>
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<TD VALIGN="top" WIDTH="8%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Its:</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="2%" ><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">AUTHORIZED REPRESENTATIVE</FONT></P></TD></TR>
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