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&lt;HTML&gt;&lt;HEAD&gt;
&lt;META http-equiv=Content-Type content="text/html; charset=utf-8"&gt;
&lt;META content="MSHTML 6.00.6000.16825" name=GENERATOR&gt;&lt;/HEAD&gt;
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&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT size=3&gt;&lt;B&gt;Related Party Transactions
&lt;/B&gt;&lt;/FONT&gt;&lt;/P&gt;
&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT size=2&gt;&lt;A
name=xxx44501_bge_#151;income_statement&gt;&lt;/A&gt;&lt;A
name=toc_xxx44501_16&gt;&lt;/A&gt;&lt;/FONT&gt;&lt;FONT size=2&gt;&lt;B&gt;BGE&amp;#151;Income Statement
&lt;BR&gt;&lt;/B&gt;&lt;/FONT&gt;&lt;/P&gt;
&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT size=2&gt;BGE is obligated to provide
market-based standard offer service to all of its electric customers for varying
periods. Bidding to supply BGE's market-based standard offer service to electric
customers will occur from time to time through a competitive bidding process
approved by the Maryland PSC. &lt;/FONT&gt;&lt;/P&gt;
&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT
size=2&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Our merchant energy
business will supply a portion of BGE's market-based standard offer service
obligation to electric customers through September&amp;nbsp;30, 2011. &lt;/FONT&gt;&lt;/P&gt;
&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT
size=2&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;The cost of BGE's
purchased energy from nonregulated subsidiaries of Constellation Energy to meet
its standard offer service obligation was as follows: &lt;/FONT&gt;&lt;/P&gt;&lt;!-- User-specified TAGGED TABLE --&gt;
&lt;DIV align=center&gt;
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    &lt;TD style="FONT-FAMILY: times" width=20&gt;&lt;/TD&gt;
    &lt;TD style="FONT-FAMILY: times" width=12&gt;&lt;/TD&gt;
    &lt;TD style="FONT-FAMILY: times" align=right width=4&gt;&lt;/TD&gt;
    &lt;TD style="FONT-FAMILY: times" width=19&gt;&lt;/TD&gt;
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    &lt;TD style="FONT-FAMILY: times" align=right width=4&gt;&lt;/TD&gt;
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    &lt;TD style="FONT-FAMILY: times"
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      size=1&gt;&lt;B&gt;Quarter Ended&lt;BR&gt;June&amp;nbsp;30,&lt;/B&gt;&lt;/FONT&gt;&lt;BR&gt;&lt;/TH&gt;
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      Months Ended&lt;BR&gt;June&amp;nbsp;30,&lt;/B&gt;&lt;/FONT&gt;&lt;BR&gt;&lt;/TH&gt;
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    &lt;TH style="FONT-FAMILY: times"&gt;&lt;FONT size=1&gt;&amp;nbsp;&lt;/FONT&gt;&lt;/TH&gt;
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      size=1&gt;&lt;B&gt;2009&lt;/B&gt;&lt;/FONT&gt;&lt;BR&gt;&lt;/TH&gt;
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      size=1&gt;&lt;B&gt;2008&lt;/B&gt;&lt;/FONT&gt;&lt;BR&gt;&lt;/TH&gt;
    &lt;TH style="FONT-FAMILY: times"&gt;&lt;FONT size=1&gt;&amp;nbsp;&lt;/FONT&gt;&lt;/TH&gt;
    &lt;TH style="FONT-FAMILY: times" align=middle colSpan=2&gt;&lt;FONT
      size=1&gt;&lt;B&gt;2009&lt;/B&gt;&lt;/FONT&gt;&lt;BR&gt;&lt;/TH&gt;
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      size=1&gt;&lt;B&gt;2008&lt;/B&gt;&lt;/FONT&gt;&lt;BR&gt;&lt;/TH&gt;
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    &lt;TH style="FONT-FAMILY: times" align=left&gt;&lt;FONT
size=1&gt;&amp;nbsp;&lt;/FONT&gt;&lt;BR&gt;&lt;/TH&gt;
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    &lt;TH style="FONT-FAMILY: times" align=middle colSpan=11&gt;&lt;FONT size=1&gt;&lt;I&gt;(In
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      size=1&gt;&lt;/FONT&gt;&lt;FONT size=1&gt;Purchased energy&lt;/FONT&gt;&lt;/P&gt;&lt;/TD&gt;
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    size=1&gt;&lt;B&gt;142.5&lt;/B&gt;&lt;/FONT&gt;&lt;/TD&gt;
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    &lt;TD style="FONT-FAMILY: times" align=right&gt;&lt;FONT size=1&gt;186.0&lt;/FONT&gt;&lt;/TD&gt;
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    &lt;TD style="FONT-FAMILY: times"&gt;&lt;FONT size=1&gt;&lt;B&gt;$&lt;/B&gt;&lt;/FONT&gt;&lt;/TD&gt;
    &lt;TD style="FONT-FAMILY: times" align=right&gt;&lt;FONT
    size=1&gt;&lt;B&gt;346.8&lt;/B&gt;&lt;/FONT&gt;&lt;/TD&gt;
    &lt;TD style="FONT-FAMILY: times"&gt;&lt;FONT size=1&gt;&amp;nbsp;&lt;/FONT&gt;&lt;/TD&gt;
    &lt;TD style="FONT-FAMILY: times"&gt;&lt;FONT size=1&gt;$&lt;/FONT&gt;&lt;/TD&gt;
    &lt;TD style="FONT-FAMILY: times" align=right&gt;&lt;FONT size=1&gt;457.3&lt;/FONT&gt;&lt;/TD&gt;
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&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT
size=2&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;In addition,
Constellation Energy charges BGE for the costs of certain corporate functions.
Certain costs are directly assigned to BGE. We allocate other corporate function
costs based on a total percentage of expected use by BGE. We believe this method
of allocation is reasonable and approximates the cost BGE would have incurred as
an unaffiliated entity. Other nonregulated affiliates of BGE also charge BGE for
the costs of certain services provided. &lt;/FONT&gt;&lt;/P&gt;
&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT size=2&gt;&lt;!-- SEQ.=32,FOLIO='42',FILE='DISK108:[09ZBZ1.09ZBZ44501]EG44501A.;13',USER='CGONCE',CD=';7-AUG-2009;08:36' --&gt;&lt;A
name=page_xxx44501_1_43&gt;&lt;/A&gt;&lt;/FONT&gt;&lt;/P&gt;
&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT
size=2&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;The following table
presents the costs Constellation Energy charged to BGE in each period.
&lt;/FONT&gt;&lt;/P&gt;&lt;!-- User-specified TAGGED TABLE --&gt;
&lt;DIV align=center&gt;
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    &lt;TD style="FONT-FAMILY: times" width=16&gt;&lt;/TD&gt;
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    &lt;TD style="FONT-FAMILY: times" width=15&gt;&lt;/TD&gt;
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    &lt;TD style="FONT-FAMILY: times" align=right width=4&gt;&lt;/TD&gt;
    &lt;TD style="FONT-FAMILY: times" width=16&gt;&lt;/TD&gt;
    &lt;TD style="FONT-FAMILY: times" width=12&gt;&lt;/TD&gt;
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      size=1&gt;&lt;B&gt;Quarter Ended&lt;BR&gt;June&amp;nbsp;30,&lt;/B&gt;&lt;/FONT&gt;&lt;BR&gt;&lt;/TH&gt;
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    &lt;TH style="FONT-FAMILY: times" align=middle colSpan=5&gt;&lt;FONT size=1&gt;&lt;B&gt;Six
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&lt;BR&gt;&lt;/B&gt;&lt;/FONT&gt;&lt;/P&gt;
&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT size=2&gt;BGE participates in a cash pool under
a Master Demand Note agreement with Constellation Energy. Under this
arrangement, participating subsidiaries may invest in or borrow from the pool at
market interest rates. Constellation Energy administers the pool and invests
excess cash in short-term investments or issues commercial paper to manage
consolidated cash requirements. Under this arrangement, BGE had invested
$154.0&amp;nbsp;million at June&amp;nbsp;30, 2009 and had invested $148.8&amp;nbsp;million
at December&amp;nbsp;31, 2008. &lt;/FONT&gt;&lt;/P&gt;
&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT
size=2&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;BGE's Consolidated
Balance Sheets include intercompany amounts related to BGE's purchases to meet
its standard offer service obligation, BGE's gas purchases, BGE's charges to
Constellation Energy and its nonregulated affiliates for certain services it
provides them, Constellation Energy and its nonregulated affiliates' charges to
BGE for certain services provided to BGE, and the participation of BGE's
employees in the Constellation Energy defined benefit plans. &lt;/FONT&gt;&lt;/P&gt;
&lt;P style="FONT-FAMILY: times"&gt;&lt;FONT
size=2&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;We believe our allocation
methods are reasonable and approximate the costs that would be charged to
unaffiliated entities. &lt;/FONT&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;
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          <NonNumericTextHeader>Related Party Transactions

BGE&amp;#151;Income Statement

BGE is obligated to provide
market-based standard offer service to all of its electric customers for</NonNumericTextHeader>
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