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  <TR><TD align="center" nowrap><FONT size="2">OMB APPROVAL</FONT></TD></TR>
  <TR><TD nowrap><FONT size="2">OMB Number: 3235-0101</FONT></TD></TR>
  <TR><TD nowrap><FONT size="2">Expires: December 31, 2006</FONT></TD></TR>
  <TR><TD nowrap><FONT size="2">Estimated average burden<BR>
  hours per response...4.47</FONT></TD></TR></TABLE>
  <BR clear="right">
  <P>&nbsp;
  
  <TABLE align="right" width="30%" border="1" cellpadding="1" cellspacing="0" bgcolor="#eeeeee">
  <TR><TD align="center" nowrap><FONT size="2">SEC USE ONLY</FONT></TD></TR>
  <TR><TD nowrap><FONT size="2">DOCUMENT SEQUENCE NO.</FONT></TD></TR>
  <TR><TD nowrap><FONT size="2">CUSIP NUMBER</FONT></TD></TR>
  <TR><TD nowrap><FONT size="2">WORK LOCATION</FONT></TD></TR>
  </TABLE>
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  <P align="center"><FONT size="3"><B>UNITED STATES<BR>SECURITIES AND EXCHANGE COMMISSION</B></FONT><BR>
  <FONT size="2"><B>Washington, DC 20549</B></FONT>
  <P align="center"><FONT size="4"><B>FORM 144</B></FONT>
  <P align="center"><FONT size="3"><B>NOTICE OF PROPOSED SALE OF SECURITIES<BR>
  PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933</B></FONT>
  <TABLE border="0" width="100%" cellspacing="0">
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  <TD><FONT size="2"><B>ATTENTION:</B></FONT></TD>
  <TD>&nbsp;</TD>
  <TD><FONT size="2"><I>Transmit for filing 3 copies of
  this form concurrently with either placing an order with a broker to
  execute sale or executing a sale directly with a market maker.</I></FONT></TD>
  </TR>
  </TABLE>
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  <TD width="4%" nowrap><FONT size="2"><B>1(a)</B></FONT></TD>
  <TD width="35%"><FONT size="2"><B>Name of Issuer</B></FONT></TD>
  <TD width="2%"><FONT size="2">&nbsp;</FONT></TD>
  <TD width="3%"><FONT size="2"><B>(b)</B></FONT></TD>
  <TD width="30%"><FONT size="2"><B>IRS Ident. No.</B></FONT></TD>
  <TD width="2%"><FONT size="2">&nbsp;</FONT></TD>
  <TD width="3%"><FONT size="2"><B>(c)</B></FONT></TD>
  <TD width="25%"><FONT size="2"><B>S.E.C. File No.</B></FONT></TD>
  </TR>
  <TR>
  <TD colspan="8"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  Leap Wireless International, Inc.
  </FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  33-0811062
  </FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  0-29752
  </FONT></TD>
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  <TD><FONT size="2"><B>(d)</B></FONT></TD>
  <TD><FONT size="2"><B>Address of Issuer</B></FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2"><B>(e)</B></FONT></TD>
  <TD><FONT size="2"><B>Telephone</B></FONT></TD>
  </TR>
  <TR>
  <TD colspan="8"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
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  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  10307 Pacific Center Court
  <BR>
  
  </FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  San Diego,&nbsp;
  CA
  &nbsp;&nbsp;
  92121
  </FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  858
  &nbsp;
  882-6000
  </FONT></TD>
  </TR>
  
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  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">(Street)</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">(City)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(State)&nbsp;&nbsp;&nbsp;&nbsp;
  &nbsp;&nbsp;(Zip Code)</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">(Area Code)&nbsp;&nbsp;&nbsp;(Number)</FONT></TD>
  </TR>
  <TR>
  <TD colspan="8"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="top">
  <TD><FONT size="2"><B>2(a)</B></FONT></TD>
  <TD><FONT size="2"><B>Name of Person For Whose Account the<BR>Securities are to be Sold</B></FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2"><B>(b)</B></FONT></TD>
  <TD><FONT size="2"><B>IRS Ident. No.</B></FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2"><B>(c)</B></FONT></TD>
  <TD><FONT size="2"><B>Relationship to Issuer</B></FONT></TD>
  </TR>
  <TR>
  <TD colspan="8"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  Highland Legacy Limited
  </FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  
  </FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  10 Percent Stockholder
  </FONT></TD>
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  <TD><FONT size="2"><B>(d)</B></FONT></TD>
  <TD><FONT size="2"><B>Address</B></FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
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  13455 Noel Road
  <BR>
  Suite 1300
  </FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">
  Dallas,&nbsp;
  TX
  &nbsp;&nbsp;
  75240
  </FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
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  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">(Street)</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">(City)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(State)&nbsp;&nbsp;&nbsp;
  &nbsp;&nbsp;&nbsp;&nbsp;(Zip Code)</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
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  <TD width="10%"><FONT size="2"><B>INSTRUCTION:</B></FONT></TD>
  <TD width="3%">&nbsp;</TD>
  <TD width="87%"><FONT size="2"><i>The person filing this notice should contact
  the issuer to obtain the I.R.S. Identification Number and the S.E.C. File Number</i></FONT></TD>
  </TR>
  </TABLE>
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  <TD align="center"><FONT size="1"><B>3(a)<BR>
  Title of the<BR>Class of<BR>Securities to<BR>be Sold</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1"><B>(b)<BR>
  Name and Address<BR>of Each Broker<BR>Through Whom the<BR>Securities Are to be<BR> Offered or Each<BR>Market Maker Who<BR>is Acquiring the Securities</B></FONT></TD>
  <TD align="center" nowrap><FONT size="1"><B>SEC USE<BR>ONLY</B><BR><BR><HR size="1" noshade><BR>
  <B>Broker-Dealer<BR>File Number</B></FONT></TD>
  <TD align="center" colspan="3" nowrap><FONT size="1"><B>(c)<BR>
  Number of<BR>Shares or Other<BR>Units to be Sold</B><BR><I>(See Instr. 3(c))</I></FONT></TD>
  <TD align="center" colspan="3" nowrap><FONT size="1"><B>(d)<BR>
  Aggregate<BR>Market Value</B><BR>
  <I>(See Instr. 3(d))</I></FONT></TD>
  <TD align="center" colspan="3" nowrap><FONT size="1"><B>(e)<BR>
  Number of<BR>Shares or Other<BR>Units Outstanding</B><BR><I>(See Instr. 3(e))</I></FONT></TD>
  <TD align="center" nowrap><FONT size="1"><B>(f)<BR>
  Approximate<BR>Date of Sale<BR>(Mo/Day/Yr)</B><BR><I>(See Instr. 3(f))</I></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center" nowrap><FONT size="1"><B>(g)<BR>Name of Each<BR>Securities<BR>Exchange</B><BR>
  <I>(See Instr. 3(g))</I></FONT></TD>
  </TR>
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  <TD colspan="16"><HR size="2" noshade></TD>
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  <TR valign="bottom" bgcolor="#eeeeee">
  <TD><FONT size="1">
  Common Stock, par value $0.01 per share
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  CRT Capital Group, LLC, <BR>262 Harbor Dr.<BR>
       Stamford, Connecticut 06902
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right" nowrap><FONT size="1">
  175,000 (1)
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right" nowrap><FONT size="1">
  8,020,250 as of April 21, 2006
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">
  61,212,528
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">
  April 25, 2006 (1)
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">
  NASDAQ
  </FONT></TD>
  </TR>
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  <TD><FONT size="1">
  
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  </TABLE><P><FONT size="2"><b>INSTRUCTIONS:</b></FONT><TABLE cellspacing="0" cellpadding="0" width="100%" border="0"><TR valign="bottom"><TD width="3%">&nbsp;</TD><TD width="1%">&nbsp;</TD> <TD width="3%">&nbsp;</TD><TD width="1%">&nbsp;</TD><TD width="85%">&nbsp;</TD></TR><TR valign="bottom"> <TD valign="top">
  <FONT size="2">1.</FONT></TD> <TD></TD> <TD align="left" valign="top"><FONT size="2">(a)</FONT></TD> <TD></TD><TD align="left" valign="top"><FONT size="2">Name of issuer</FONT></TD> </TR><TR valign="bottom"><TD valign="top"></TD> <TD></TD><TD align="left" valign="top"><FONT size="2">(b)</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">Issuer&#146;s I.R.S. Identification Number</FONT></TD> </TR><TR valign="bottom"><TD valign="top"></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(c)</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">Issuer&#146;s S.E.C. file number, if any</FONT></TD> </TR><TR valign="bottom"><TD valign="top"></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(d)</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">Issuer&#146;s address, including zip code</FONT></TD></TR>
  <TR valign="bottom"><TD valign="top"></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(e)</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">Issuer&#146;s telephone number, including area code</FONT></TD></TR> <TR><TD colspan="5"><FONT size="2">&nbsp;</FONT></TD></TR><TR valign="bottom"> <TD valign="top"><FONT size="2">2.</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(a)</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">Name of person for whose account the securities are to be sold</FONT></TD></TR><TR valign="bottom"><TD valign="top"></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(b)</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">Such person&#146;s I.R.S. Identification number, if such person is an entity</FONT></TD></TR>
  <TR valign="bottom"><TD valign="top"></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(c)</FONT></TD><TD></TD> <TD align="left" valign="top"><FONT size="2">Such person&#146;s relationship to the issuer (e.g., officer, director, 10% stockholder, or member of immediate family of any of the foregoing)</FONT></TD></TR><TR valign="bottom"><TD valign="top"></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(d)</FONT></TD><TD></TD><TD align="left" valign="top">
  <FONT size="2">Such person&#146;s address, including zip code</FONT></TD></TR><TR><TD colspan="5"><FONT size="2">&nbsp;</FONT></TD></TR><TR valign="bottom"><TD valign="top"><FONT size="2">3.</FONT></TD><TD></TD> <TD align="left" valign="top"><FONT size="2">(a)</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">Title of the class of securities to be sold</FONT></TD></TR><TR valign="bottom"><TD valign="top"></TD> <TD></TD><TD align="left" valign="top"><FONT size="2">(b)</FONT></TD>
  <TD></TD><TD align="left" valign="top"><FONT size="2">Name and Address of each broker through whom the securities are intended to be sold</FONT></TD></TR><TR valign="bottom"><TD valign="top"></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(c)</FONT></TD> <TD></TD><TD align="left" valign="top"><FONT size="2">Number of shares or other units to be sold (if debt securities, give the aggregate face amount)</FONT></TD></TR><TR valign="bottom"><TD valign="top"></TD> <TD></TD><TD align="left" valign="top"><FONT size="2">(d)</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">Aggregate market value of the securities to be sold as of a specified date within 10&nbsp;days prior to the filing of this notice</FONT></TD></TR><TR valign="bottom"><TD valign="top"></TD> <TD></TD><TD align="left" valign="top"><FONT size="2">(e)</FONT></TD>
  <TD></TD><TD align="left" valign="top"><FONT size="2">Number of shares or other units of the class outstanding, or if debt securities the face amount thereof outstanding, as shown by the most recent report or statement published by the issuer</FONT></TD></TR><TR valign="bottom"><TD valign="top"></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(f)</FONT></TD><TD></TD><TD align="left" valign="top"><FONT size="2">Approximate date on which the securities are to be sold</FONT></TD></TR><TR valign="bottom"><TD valign="top"></TD><TD></TD><TD align="left" valign="top"><FONT size="2">(g)</FONT></TD> <TD></TD><TD align="left" valign="top"><FONT size="2">Name of each securities exchange, if any, on which the securities are intended to be sold</FONT></TD></TR></TABLE>
  <P align="center"><FONT size="2">Page 2</FONT>
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  <TD colspan="15" align="center"><FONT size="2"><B>TABLE I &#151; SECURITIES TO BE SOLD</B></FONT><BR>
  <FONT size="2"><I>Furnish the following information with respect to the acquisition
  of the securities to be sold<BR>and with respect to the payment of all or any part
  of the purchase price or other consideration therefor:</I></FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="15"><HR size="2" noshade></TD>
  </TR>
  <TR valign="bottom">
  <TD align="center"><FONT size="1"><B>Title of the Class</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1"><B>Date You<BR>Acquired</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center" nowrap><FONT size="1"><B>Nature of Acquisition<BR>Transaction</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center" nowrap><FONT size="1"><B>Name of Person from<BR>Whom Acquired<BR></B><I>(if gift, also give<BR>date donor acquired)</I></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center" colspan="3"><FONT size="1"><B>Amount of<BR>Securities<BR>Acquired</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1"><B>Date of<BR>Payment</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1"><B>Nature of<BR>Payment</B></FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="16"><HR size="2" noshade></TD>
  </TR>
  <TR valign="bottom" bgcolor="#eeeeee">
  <TD align="left"><FONT size="1">
  Common Stock, par value $0.01 per share
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">(2)</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">(2)</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">(2)</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">(2)</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">(2)</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">(2)</FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="16"><HR size="2" noshade></TD>
  </TR>
  <TR valign="bottom">
  <TD align="left"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right" nowrap><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center" nowrap><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  </FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="16"><HR size="2" noshade></TD>
  </TR>
  <TR valign="bottom" bgcolor="#eeeeee">
  <TD align="left"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right" nowrap><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center" nowrap><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  </FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="16"><HR size="2" noshade></TD>
  </TR>
  </TABLE>
  
  <P>
  <P><FONT size="2"><B>INSTRUCTIONS:</B></FONT> <TABLE cellspacing="0" cellpadding="0" width="100%" border="0"> <TR valign="bottom"><TD valign="top"><FONT size="2">If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.</FONT></TD> </TR> </TABLE>
  
  
  
  
  <TABLE border="0" width="100%" cellspacing="0" cellpadding="2">
  <TR valign="bottom">
  <TD width="30%">&nbsp;</TD>
  <TD width="2%">&nbsp;</TD>
  <TD width="20%">&nbsp;</TD>
  <TD width="2%">&nbsp;</TD>
  <TD width="10%">&nbsp;</TD>
  <TD width="2%">&nbsp;</TD>
  <TD width="2%">&nbsp;</TD>
  <TD width="1%">&nbsp;</TD>
  <TD width="2%">&nbsp;</TD>
  <TD width="2%">&nbsp;</TD>
  <TD width="2%">&nbsp;</TD>
  <TD width="5%">&nbsp;</TD>
  <TD width="2%">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="13"><HR size="2" noshade></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="13" align="center"><FONT size="2"><B>TABLE II &#151; SECURITIES
  SOLD DURING THE PAST 3 MONTHS</B><BR><I>Furnish the following information as
  to all securities of the issuer sold<BR>during the past 3 months by the
  person for whose account the securities are to be sold.</I></FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="13"><HR size="2" noshade></TD>
  </TR>
  <TR valign="bottom">
  <TD nowrap align="center"><FONT size="1"><B>Name and Address of Seller</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="center"><FONT size="1"><B>Title of Securities Sold</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="center"><FONT size="1"><B>Date of Sale</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="center" colspan="3"><FONT size="1"><B>Amount of Securities Sold</B></FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="center" colspan="3"><FONT size="1"><B>Gross Proceeds</B></FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="13"><HR size="2" noshade></TD>
  </TR>
  <TR valign="bottom" bgcolor="#eeeeee">
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="right"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="right"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="13"><HR size="2" noshade></TD>
  </TR>
  <TR valign="bottom">
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="right"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="right"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="13"><HR size="2" noshade></TD>
  </TR>
  <TR valign="bottom" bgcolor="#eeeeee">
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="right"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  <TD align="right"><FONT size="1">&nbsp;</FONT></TD>
  <TD nowrap align="right"><FONT size="1">
  
  </FONT></TD>
  <TD><FONT size="1">&nbsp;</FONT></TD>
  </TR>
  <TR valign="bottom">
  <TD colspan="13"><HR size="2" noshade></TD>
  </TR>
  </TABLE><P align="center"><FONT size="2">Page 3</FONT>
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
  <P><FONT size="2"><B>REMARKS:</B></FONT><P>
  <P><FONT size="2">
  (1)  All of the 175,000 shares of common stock being sold are being
  sold pursuant to a Rule 10b5-1 Sales Plan, entered into and effective
  as of March 24, 2006 by and between CRT Capital Group, LLC, on the
  one hand, and each of Highland CDO Opportunity Fund, Ltd., Highland
  Equity Focus Fund, L.P., and Highland Legacy Limited, on the other hand.
  The representations of the reporting person regarding knowledge of material
  adverse information in regard to the current and prospective operations of
  the Issuer were made and were true and correct as of the date of adoption
  of the Rule 10b5-1 trading plan.
  </FONT>
  <P>
  <P><FONT size="2">(2)&nbsp;On August&nbsp;16, 2004, Highland Legacy Limited obtained 194,148 shares of common stock from the
  Issuer in connection with the Issuer&#146;s emergence from bankruptcy proceedings and the Issuer&#146;s plan
  of reorganization as consideration for senior secured vendor debt claims of a subsidiary of the
  Issuer acquired by Highland Legacy Limited.
  
  
  </FONT>
  <P>
  <P><FONT size="2">
  
  </FONT>
  <P>
  <P><FONT size="2">
  
  </FONT>
  
  <P>
  
  <TABLE border="0" width="100%" cellspacing="0">
  <TR>
      <TD width="53%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD>
      <TD width="40%">&nbsp;</TD>
  </TR>
  <TR valign="top">
  <TD><FONT size="2"><B>INSTRUCTIONS:</B></FONT>
  <BR>
  <FONT size="2">See the definition of &#147;person&#148; in paragraph (a)&nbsp;of Rule&nbsp;144.
  Information is to be given not only as to the person for whose account the
  securities are to be sold but also as to all other persons included in that
  definition. In addition, information shall be given as to sales by all
  persons whose sales are required by paragraph (e)&nbsp;of Rule&nbsp;144 to
  be aggregated with sales for the account of the person filing this notice.</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD colspan="2"><FONT size="2"><B>ATTENTION:</B></FONT>
  <BR>
  <FONT size="2">The person for whose account the securities to which this notice relates are to
  be sold hereby represents by signing this notice that he does not know any
  material adverse information in regard to the current and prospective
  operations of the issuer of the securities to be sold which has not been
  publicly disclosed.</FONT></TD>
  </TR>
  
  <TR valign="bottom">
  <TD colspan="4"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="bottom">
  <TD align="center"><FONT size="2">
  April 26, 2006
  </FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD align="center"><FONT size="2">
  
  </FONT></TD>
  </TR>
  
  <TR valign="top">
  <TD align="center"><HR size="1" noshade width="320"><FONT size="2">DATE OF NOTICE</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD align="left" colspan="2"><FONT size="2" style="font-variant: SMALL-CAPS"><B>Highland
  Legacy Limited</B></FONT><BR><BR><FONT size="2">By:&nbsp;&nbsp;Highland Capital Management, L.P.<BR>
  Its:&nbsp;&nbsp;Collateral Manager<BR>
  By:&nbsp;&nbsp;Strand Advisors, Inc.<BR>
  Its:&nbsp;&nbsp;General Partner<BR>
  </FONT></TD>
  </TR>
  
  <TR valign="top">
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="top">
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD align="left"><FONT size="2">By:&nbsp;&nbsp;</FONT></TD>
  <TD style="border-bottom: 1px solid #000000" align="left"><FONT size="2">&nbsp;/s/ James
  Dondero</FONT></TD>
  
  
  
  <TR valign="top">
  <TD align="center">&nbsp;</TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD align="left" colspan="2"><FONT size="2">Name:&nbsp;&nbsp;James
  Dondero<BR>
  Title:&nbsp;&nbsp;&nbsp;&nbsp;President
  </FONT></TD>
  </TR>
  
  <TR valign="top">
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  
  <TR valign="top">
  <TD align="center">&nbsp;</TD>
  <TD><FONT size="2">&nbsp;</FONT></TD>
  <TD align="center" colspan="2"><FONT size="2"><HR size="1" noshade width="320">&nbsp;(SIGNATURE)</FONT></TD>
  </TR>
  
  
  
  </TABLE>
  <P align="center"><FONT size="2"><I>The notice shall be signed by the persons for whose account
  the securities are to be sold.<BR>At least one copy of the notice shall be manually signed.<BR>
  Any copies not manually signed shall bear typed or printed signatures.</I></FONT>
  <P>
  <TABLE border="2" width="50%" align="center">
  <TR>
  <TD align="center"><FONT size="2"><B>ATTENTION:<BR>Intentional misstatements or omission of facts constitute<BR>
  Federal Criminal Violations (See 18 U.S.C. 1001)</B></FONT></TD>
  </TR>
  </TABLE>
  <P>
  
  <P align="center"><FONT size="2">Page 4</FONT>
  </BODY>
  </HTML>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "d35319ae144.htm", "description": "FORM 144", "secsgml_size_bytes": 30958}]
text: e144
  OMB APPROVAL
  OMB Number: 3235-0101
  Expires: December 31, 2006
  Estimated average burden
  hours per response...4.47
  SEC USE ONLY
  DOCUMENT SEQUENCE NO.
  CUSIP NUMBER
  WORK LOCATION
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  Washington, DC 20549
  FORM 144
  NOTICE OF PROPOSED SALE OF SECURITIES
  PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
  ATTENTION:
  Transmit for filing 3 copies of
  this form concurrently with either placing an order with a broker to
  execute sale or executing a sale directly with a market maker.
  1(a)
  Name of Issuer
  (b)
  IRS Ident. No.
  (c)
  S.E.C. File No.
  Leap Wireless International, Inc.
  33-0811062
  0-29752
  (d)
  Address of Issuer
  (e)
  Telephone
  10307 Pacific Center Court
  San Diego, 
  CA
    
  92121
  858
   
  882-6000
  (Street)
  (City)      (State)    
    (Zip Code)
  (Area Code)   (Number)
  2(a)
  Name of Person For Whose Account the
  Securities are to be Sold
  (b)
  IRS Ident. No.
  (c)
  Relationship to Issuer
  Highland Legacy Limited
  10 Percent Stockholder
  (d)
  Address
  13455 Noel Road
  Suite 1300
  Dallas, 
  TX
    
  75240
  (Street)
  (City)      (State)   
      (Zip Code)
  INSTRUCTION:
  The person filing this notice should contact
  the issuer to obtain the I.R.S. Identification Number and the S.E.C. File Number
  3(a)
  Title of the
  Class of
  Securities to
  be Sold
  (b)
  Name and Address
  of Each Broker
  Through Whom the
  Securities Are to be
  Offered or Each
  Market Maker Who
  is Acquiring the Securities
  SEC USE
  ONLY
  Broker-Dealer
  File Number
  (c)
  Number of
  Shares or Other
  Units to be Sold
  (See Instr. 3(c))
  (d)
  Aggregate
  Market Value
  (See Instr. 3(d))
  (e)
  Number of
  Shares or Other
  Units Outstanding
  (See Instr. 3(e))
  (f)
  Approximate
  Date of Sale
  (Mo/Day/Yr)
  (See Instr. 3(f))
  (g)
  Name of Each
  Securities
  Exchange
  (See Instr. 3(g))
  Common Stock, par value $0.01 per share
  CRT Capital Group, LLC,
  262 Harbor Dr.
  Stamford, Connecticut 06902
  175,000 (1)
  8,020,250 as of April 21, 2006
  61,212,528
  April 25, 2006 (1)
  NASDAQ
  INSTRUCTIONS:
  1.
  (a)
  Name of issuer
  (b)
  Issuer's I.R.S. Identification Number
  (c)
  Issuer's S.E.C. file number, if any
  (d)
  Issuer's address, including zip code
  (e)
  Issuer's telephone number, including area code
  2.
  (a)
  Name of person for whose account the securities are to be sold
  (b)
  Such person's I.R.S. Identification number, if such person is an entity
  (c)
  Such person's relationship to the issuer (e.g., officer, director, 10% stockholder, or member of immediate family of any of the foregoing)
  (d)
  Such person's address, including zip code
  3.
  (a)
  Title of the class of securities to be sold
  (b)
  Name and Address of each broker through whom the securities are intended to be sold
  (c)
  Number of shares or other units to be sold (if debt securities, give the aggregate face amount)
  (d)
  Aggregate market value of the securities to be sold as of a specified date within 10 days prior to the filing of this notice
  (e)
  Number of shares or other units of the class outstanding, or if debt securities the face amount thereof outstanding, as shown by the most recent report or statement published by the issuer
  (f)
  Approximate date on which the securities are to be sold
  (g)
  Name of each securities exchange, if any, on which the securities are intended to be sold
  Page 2
  TABLE I — SECURITIES TO BE SOLD
  Furnish the following information with respect to the acquisition
  of the securities to be sold
  and with respect to the payment of all or any part
  of the purchase price or other consideration therefor:
  Title of the Class
  Date You
  Acquired
  Nature of Acquisition
  Transaction
  Name of Person from
  Whom Acquired
  (if gift, also give
  date donor acquired)
  Amount of
  Securities
  Acquired
  Date of
  Payment
  Nature of
  Payment
  Common Stock, par value $0.01 per share
  (2)
  (2)
  (2)
  (2)
  (2)
  (2)
  INSTRUCTIONS:
  If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.
  TABLE II — SECURITIES
  SOLD DURING THE PAST 3 MONTHS
  Furnish the following information as
  to all securities of the issuer sold
  during the past 3 months by the
  person for whose account the securities are to be sold.
  Name and Address of Seller
  Title of Securities Sold
  Date of Sale
  Amount of Securities Sold
  Gross Proceeds
  Page 3
  REMARKS:
  (1)  All of the 175,000 shares of common stock being sold are being
  sold pursuant to a Rule 10b5-1 Sales Plan, entered into and effective
  as of March 24, 2006 by and between CRT Capital Group, LLC, on the
  one hand, and each of Highland CDO Opportunity Fund, Ltd., Highland
  Equity Focus Fund, L.P., and Highland Legacy Limited, on the other hand.
  The representations of the reporting person regarding knowledge of material
  adverse information in regard to the current and prospective operations of
  the Issuer were made and were true and correct as of the date of adoption
  of the Rule 10b5-1 trading plan.
  (2) On August 16, 2004, Highland Legacy Limited obtained 194,148 shares of common stock from the
  Issuer in connection with the Issuer's emergence from bankruptcy proceedings and the Issuer's plan
  of reorganization as consideration for senior secured vendor debt claims of a subsidiary of the
  Issuer acquired by Highland Legacy Limited.
  INSTRUCTIONS:
  See the definition of "person" in paragraph (a) of Rule 144.
  Information is to be given not only as to the person for whose account the
  securities are to be sold but also as to all other persons included in that
  definition. In addition, information shall be given as to sales by all
  persons whose sales are required by paragraph (e) of Rule 144 to
  be aggregated with sales for the account of the person filing this notice.
  ATTENTION:
  The person for whose account the securities to which this notice relates are to
  be sold hereby represents by signing this notice that he does not know any
  material adverse information in regard to the current and prospective
  operations of the issuer of the securities to be sold which has not been
  publicly disclosed.
  April 26, 2006
  DATE OF NOTICE
  Highland
  Legacy Limited
  By:  Highland Capital Management, L.P.
  Its:  Collateral Manager
  By:  Strand Advisors, Inc.
  Its:  General Partner
  By:
  /s/ James
  Dondero
  Name:  James
  Dondero
  Title:    President
  (SIGNATURE)
  The notice shall be signed by the persons for whose account
  the securities are to be sold.
  At least one copy of the notice shall be manually signed.
  Any copies not manually signed shall bear typed or printed signatures.
  ATTENTION:
  Intentional misstatements or omission of facts constitute
  Federal Criminal Violations (See 18 U.S.C. 1001)
  Page 4