<SUBMISSION>
<ACCESSION-NUMBER>0001140361-03-002430
<TYPE>SC 13G/A
<PUBLIC-DOCUMENT-COUNT>1
<FILING-DATE>20030711
<SUBJECT-COMPANY>
<COMPANY-DATA>
<CONFORMED-NAME>AEROGEN INC
<CIK>0001039160
<ASSIGNED-SIC>3841
<IRS-NUMBER>330488580
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>SC 13G/A
<ACT>34
<FILE-NUMBER>005-60561
<FILM-NUMBER>03783042
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>1310 CORONADO DR
<CITY>SANTA CLARA
<STATE>CA
<ZIP>95054
<PHONE>4085432400
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1310 ORLEANS DRIVE
<CITY>SUNNYVALE
<STATE>CA
<ZIP>94089
</MAIL-ADDRESS>
</SUBJECT-COMPANY>
<FILED-BY>
<COMPANY-DATA>
<CONFORMED-NAME>MAZAMA CAPITAL MANAGEMENT INC
<CIK>0001078779
<IRS-NUMBER>911858217
<STATE-OF-INCORPORATION>OR
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>SC 13G/A
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>ONE SW COLUMBIA
<STREET2>STE 1860
<CITY>PORTLAND
<STATE>OR
<ZIP>97258
<PHONE>5032218725
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>ONE SW COLUMBIA
<STREET2>STE 1860
<CITY>PORTLAND
<STATE>OR
<ZIP>97258
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>MAZAMA CAPITAL MANAGEMENT LLC
<DATE-CHANGED>19990209
</FORMER-COMPANY>
</FILED-BY>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>doc1.htm
<TEXT>
<HTML>
<head><title>Schedule 13G</title></head>
<body bgcolor="#ffffff"><center>
<table width="640" cellspacing="0" cellpadding="5" border="0">
 <tr>
  <TD align="center">
   <font size="2">UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION<br>
   Washington, D.C. 20549<p>SCHEDULE&nbsp;13G<p>
   Under the Securities Exchange Act of 1934<br>(Amendment No. 03)*</font>
  </td>
 </tr>
</table>
<br><br>
<table width="640" cellspacing="0" cellpadding="2" border="0">
 <tr>
  <td align="center"><font size="2">AeroGen, Inc.<hr size="2" noshade>(Name of Issuer)</FONT><br><br></td>
 </tr>
 <TR>
  <td align="center">
   <font size="2">Class A Common<hr size="2" noshade>
   (Title of Class of Securities)</FONT><br><br>
  </td>
 </tr>
 <TR>
  <td align="center"><font size="2">007779101<hr size="2" noshade><CENTER>(CUSIP Number)</CENTER></FONT><br><br></td>
 </tr>
 <TR>
  <td width="640" align="center">
   <font size="2">June 17, 2003<hr size="2" noshade>
   <font size="2">(Date of Event which Requires Filing of this Statement)</FONT>
  </td>
 </tr>
</table>
<br>
<table width="640" cellspacing="0" cellpadding="0" border="0">
 <tr valign="top">
  <td>
   <P align="justify"><font size="2">Check the appropriate box to designate the rule
   pursuant to which this Schedule is filed:</font></P>
  </td>
 </tr>
</table>
<table width="640" cellspacing="0" cellpadding="0" border="0">
 <tr valign="top">
  <td colspan="3">&nbsp;</td>
 </tr>
 <tr valign="top">
  <td width="52" align="right"><font size="2">[</font></td>
  <td width="8" align="center"><font size="2">X</font></td>
  <td width="580" align="left"><font size="2">]&nbsp;&nbsp;Rule 13d-1(b)</font></td>
 </tr>
 <tr valign="top">
  <td width="52" align="right"><font size="2">[</font></td>
  <td width="8" align="center"><font size="2"> </font></td>
  <td width="580" align="left"><font size="2">]&nbsp;&nbsp;Rule 13d-1(c)</font></td>
 </tr>
 <tr valign="top">
  <td width="52" align="right"><font size="2">[</font></td>
  <td width="8" align="center"><font size="2"> </font></td>
  <td width="580" align="left"><font size="2">]&nbsp;&nbsp;Rule 13d-1(d)</font></td>
 </tr>
 <tr>
  <td colspan="3">&nbsp;</td>
 </tr>
</table>
<table width="640" cellspacing="0" cellpadding="0" border="0">
  <td>
   <font size="2"><p align="justify">* The remainder of this cover page shall
   be filled out for a reporting person's initial filing on this form with respect
   to the subject class of securities, and for any subsequent amendment containing
   information which would alter the disclosures provided in a prior cover page.</p></font>
  </td>
 </tr>
 <tr>
  <td>&nbsp;</td>
 </tr>
 <tr>
  <td>
   <font size="2"><p align="justify">The information required on the remainder of this
   cover page shall not be deemed to be "filed" for the purpose of Section 18 of the
   Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities
   of that section of the Act but shall be subject to all other provisions of the
   Act (however, see the Notes).</p></font>
  </td>
 </tr>
 <tr>
  <td>&nbsp;</td>
 </tr>
</table>
<table width="640" cellspacing="0" cellpadding="0" border="0">
 <tr>
  <td width="640" align="left"><br><br><P ALIGN="CENTER"><FONT SIZE="2">&nbsp;</FONT></P><hr size="3" noshade></td>
 </tr>
</table><br><br>
<table width="640" cellspacing="0" cellpadding="2" border="0">
 <tr>
  <td colSpan="5" width="640" align="center"><font size="2">SCHEDULE 13G</font></td>
 </tr>
 <TR>
  <TD colSpan="5" align="center"><font size="2">CUSIP No. 007779101</font></TD>
 </TR>
 <tr>
  <td colSpan="5" width="640" align="left"><hr size="2" noshade></td>
 </tr>
 <TR>
  <TD colspan="2" width="50">&nbsp;</TD>
  <TD width="40" valign="top"><font size="2">1.</font></TD>
  <TD colSpan=2><font size="2">Names of Reporting Persons.<br>MAZAMA CAPITAL MANAGEMENT, INC.<br>I.R.S. Identification Nos. of above persons (entities only).<br>
93-1290809</font>
  </TD>
 </TR>
 <tr>
  <td colSpan="5" width="640" align="left"><hr size="2" noshade></td>
 </tr>
 <TR>
  <TD colspan=2 width="50">&nbsp;</TD>
  <TD width="40" valign="top"><font size="2">2.</font></TD>
  <TD width="550" colSpan="2">
   <font size="2">Check the Appropriate Box if a Member of a Group (See Instructions)
   <br>(a)&nbsp;&nbsp;[&nbsp;&nbsp;]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;[&nbsp;&nbsp;]</font>
  </TD>
 </TR>
 <tr>
  <td colSpan="5" width="640" align="left"><hr size="2" noshade></td>
 </tr>
 <TR>
  <TD colspan="2" width="50">&nbsp;</TD>
  <TD width="40" valign="top"><font size="2">3.</font></TD>
  <TD width="550" colSpan="2"><font size="2">SEC USE ONLY</font></TD>
 </TR>
 <tr>
  <td colSpan="5" width="640" align="left"><hr size="2" noshade></td>
 </tr>
 <TR>
  <TD colspan="2" width="50">&nbsp;</TD>
  <TD width="40" valign="top"><font size="2">4.</font></TD>
  <TD width="550" colSpan=2><font size="2">
   Citizenship or Place of Organization<BR><center>OREGON</center></font>
  </TD>
 </TR>
 <tr>
  <td colSpan="5" width="640" align="left"><hr size="2" noshade></td>
 </tr>
 <TR>
  <TD colspan="3" rowspan="7">
   <font size="2">Number of<br>Shares<br>Beneficially<br>
   Owned by<br>Each Reporting<br>Person With:</font>
  </TD>
  <TD width="30" valign="top"><font size="2">5.</font></TD>
  <TD width="490"><font size="2">Sole Voting Power<br>0 See Item 4</font></TD>
 </TR>
 <TR>
  <TD colspan="2" width="570"><hr size="2" noshade></TD>
 </TR>
 <TR>
  <TD width="30" valign="top"><font size="2">6.</font></TD>
  <TD width="490"><font size="2">Shared Voting Power<br>0</font></TD>
 </TR>
 <TR>
  <TD colspan="2" width="570"><hr size="2" noshade></TD>
 </TR>
 <TR>
  <TD width="30" valign="top"><font size="2">7.</font></TD>
  <TD width="490"><font size="2">Sole Dispositive Power<br>0 See Item 4</TD>
 </TR>
 <TR>
  <TD colspan="2" width="570"><hr size="2" noshade></TD>
 </TR>
 <TR>
  <TD width="30" valign="top"><font size="2">8.</font></TD>
  <TD width="490"><font size="2">Shared Dispositive Power<br>0</TD>
 </TR>
 <TR>
  <TD colspan="5" width="640"><hr size="2" noshade></TD>
 </TR>
 <TR>
  <TD colspan="2" width="50">&nbsp;</TD>
  <TD width="40" valign="top"><font size="2">9.</font></TD>
  <TD width="550" colSpan="2">
   <font size="2">Aggregate Amount Beneficially Owned by Each Reporting Person<br>
   0</font>
  </TD>
 </TR>
 <tr>
  <td colSpan="5" width="640" align="left"><hr size="2" noshade></td>
 </tr>
 <TR>
  <TD colspan="2" width="50">&nbsp;</TD>
  <TD width="40" valign="top"><font size="2">10.</font></TD>
  <TD width="550" colSpan="2">
   <font size="2">Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
   Instructions)&nbsp;&nbsp;[&nbsp;&nbsp;] </font></TD>
 </TR>
 <tr>
  <td colSpan="5" width="640" align="left"><hr size="2" noshade></td>
 </tr>
 <TR>
  <TD colspan="2" width="50">&nbsp;</TD>
  <TD width="40" valign="top"><font size="2">11.</font></TD>
  <TD width="550" colSpan="2"><font size="2">
   Percent of Class Represented by Amount in Row (9)<br><center>0.00%</center></font>
  </TD>
 </TR>
 <tr>
  <td colSpan="5" width="640" align="left"><hr size="2" noshade></td>
 </tr>
 <TR>
  <TD VALIGN="top" colspan="2" width="50">&nbsp;</TD>
  <TD width="40" valign="top"><font size="2">12.</font></TD>
  <TD VALIGN="top" width="550" colSpan="2">
   <font size="2">Type of Reporting Person<br><center>IA</center></font>
  </TD>
 </TR> <tr>
  <td colSpan="5" width="640" align="left"><br><br><P ALIGN="CENTER"><FONT SIZE="2">2</FONT></P><hr size="3" noshade></td>
 </tr>
</table><br><br>
<table width="640" cellspacing="0" cellpadding="2" border="0"> <tr valign="top">
  <td colspan="4" width="640" align="left"><p align="justify"><font size="2"><b>Item 1.</b></font></p></td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(a)</font></p></td>
  <td width="590" align="left" colspan="2"><p align="justify"><font size="2">Name of Issuer<br><br>
   AeroGen, Inc.</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(b)</font></p></td>
  <td width="590" align="left" colspan="2">
   <p align="justify"><font size="2">Address of Issuer's Principal Executive Offices<br><br>
   2071 Stierlin Court
<BR>Mountain View, CA 94043   </font></p>
  </td>
 </tr> <tr valign="top">
  <td colspan="4" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td colspan="4" width="640" align="left"><p align="justify"><font size="2"><b>Item 2.</b></font></p></td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(a)</font></p></td>
  <td width="590" align="left" colspan="2"><p align="justify"><font size="2">Name of Person Filing<br><br>
   Mazama Capital Management, Inc.   </font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(b)</font></p></td>
  <td width="590" align="left" colspan="2">
   <p align="justify"><font size="2">Address of Principal Business Office or, if none, Residence<br><br>
   One Southwest Columbia, Suite 1500, Portland, Oregon 97258</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(c)</font></p></td>
  <td width="590" align="left" colspan="2"><p align="justify"><font size="2">Citizenship<br><br>
   State of Oregon</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(d)</font></p></td>
  <td width="590" align="left" colspan="2"><p align="justify"><font size="2">Title of Class of Securities<br><br>
   Class A Common</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(e)</font></p></td>
  <td width="590" align="left" colspan="2"><p align="justify"><font size="2">CUSIP Number<br><br>
   007779101</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="4" width="640" align="left"><p><br></p></td>
 </tr> <tr valign="top">
  <td colspan="2" width="50" align="left"><p align="justify"><font size="2"><b>Item 3.</b></font></p></td>
  <td colspan="2" width="590" align="left">
   <p align="justify"><font size="2"><b>If this statement is filed pursuant to
   &#167;&#167;240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is
   a:</b></font></p></td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(a)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[&nbsp;&nbsp;]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">Broker or dealer registered under section 15 of the Act
   (15 U.S.C. 78o).</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(b)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[&nbsp;&nbsp;]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">Bank as defined in section 3(a)(6) of the Act (15
   U.S.C. 78c).</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(c)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[&nbsp;&nbsp;]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">Insurance company as defined in section 3(a)(19) of the Act
   (15 U.S.C. 78c).</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(d)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[&nbsp;&nbsp;]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">Investment company registered under section 8 of the
   Investment Company Act of 1940 (15 U.S.C 80a-8).</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(e)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[X]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">An investment adviser in accordance with
   &#167;240.13d-1(b)(1)(ii)(E);</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(f)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[&nbsp;&nbsp;]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">An employee benefit plan or endowment fund in
   accordance with &#167;240.13d-1(b)(1)(ii)(F);</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(g)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[&nbsp;&nbsp;]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">A parent holding company or control person in accordance
   with &#167; 240.13d-1(b)(1)(ii)(G);</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(h)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[&nbsp;&nbsp;]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">A savings associations as defined in Section 3(b) of the
   Federal Deposit Insurance Act (12 U.S.C. 1813);</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(i)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[&nbsp;&nbsp;]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">A church plan that is excluded from the definition of an
   investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C.
   80a-3);</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(j)</font></p></td>
  <td width="25" align="left">
   <p align="justify"><font size="2">[&nbsp;&nbsp;]</font></p>
  </td>
  <td width="565" align="left">
   <p align="justify"><font size="2">Group, in accordance with &#167;240.13d-1(b)(1)(ii)(J).</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="4" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="50" align="left"><p align="justify"><font size="2"><b>Item 4.</b></font></p></td>
  <td colspan="2" width="590" align="left">
   <p align="justify"><font size="2"><b>Ownership.</b></font></p></td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(a)</font></p></td>
  <td width="590" align="left" colspan="2">
   <p align="justify"><font size="2">Amount beneficially owned:<br><br>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(b)</font></p></td>
  <td width="590" align="left" colspan="2">
   <p align="justify"><font size="2">Percent of class:<br><br>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0%</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(c)</font></p></td>
  <td width="590" align="left" colspan="2">
   <p align="justify"><font size="2">Number of shares as to which the person has:</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(i)</font></p></td>
  <td width="565" align="left" colspan="2">
   <p align="justify"><font size="2">Sole power to vote or to direct the vote<br><br>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(ii)</font></p></td>
  <td width="565" align="left" colspan="2">
   <p align="justify"><font size="2">Shared power to vote or to direct the vote<br><br>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(iii)</font></p></td>
  <td width="565" align="left" colspan="2">
   <p align="justify"><font size="2">Sole power to dispose or to direct the disposition of<br><br>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">&nbsp;</font></p></td>
  <td width="25" align="left"><p align="justify"><font size="2">(iv)</font></p></td>
  <td width="565" align="left" colspan="2">
   <p align="justify"><font size="2">Shared power to dispose or to direct the disposition of<br><br>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></p>
  </td>
 </tr>
</table>
<table width="640" cellspacing="0" cellpadding="2" border="0">
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td width="50" align="left"><p align="justify"><font size="2"><b>Item 5.</b></font></p></td>
  <td width="590" align="left"><p align="justify"><font size="2">
   <b>Ownership of Five Percent or Less of a Class</b></font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p align="justify"><font size="2">
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   If this statement is being filed to report the fact that as of the date hereof the reporting
   person has ceased to be the beneficial owner of more than five percent of the class of
   securities, check the following&nbsp;[&nbsp;&nbsp;].</font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left">
   <p align="justify"><font size="2"><i>Instruction:</i> Dissolution of a group requires a
   response to this item.<BR><BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This statement is being filed to report the fact that as of the date hereof, the reporting person has ceased to be the beneficial owner of more than 5 percent of Aerogen, Inc. stock.   </font></p></td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td width="50" align="left"><p align="justify"><font size="2"><b>Item 6.</b></font></p></td>
  <td width="590" align="left"><p align="justify"><font size="2">
   <b>Ownership of More than Five Percent on Behalf of Another Person</b></font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p align="justify"><font size="2">
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;N/A   </font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td width="50" align="left"><p align="justify"><font size="2"><b>Item 7.</b></font></p></td>
  <td width="590" align="left"><p align="justify"><font size="2">
   <b>Identification and Classification of the Subsidiary Which Acquired
   the Security Being Reported on By the Parent Holding Company</b></font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p align="justify"><font size="2">
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;N/A   </font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td width="50" align="left"><p align="justify"><font size="2"><b>Item 8.</b></font></p></td>
  <td width="590" align="left"><p align="justify"><font size="2">
   <b>Identification and Classification of Members of the Group</b></font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="640" align="left" colspan="2"><p align="justify"><font size="2">
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;N/A   </font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td width="50" align="left"><p align="justify"><font size="2"><b>Item 9.</b></font></p></td>
  <td width="590" align="left"><p align="justify"><font size="2">
   <b>Notice of Dissolution of Group</b></font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="640" align="left" colspan="2"><p align="justify"><font size="2">
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;N/A   </font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td width="50" align="left"><p align="justify"><font size="2"><b>Item 10.</b></font></p></td>
  <td width="590" align="left"><p align="justify"><font size="2">
   <b>Certification</b></font></p>
  </td>
 </tr>
 <tr valign="top">
  <td width="640" align="left" colspan="2"><p align="justify"><font size="2">
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   By signing below I certify that, to the best of my knowledge
   and belief, the securities referred to above were acquired and are held in the ordinary
   course of business and were not acquired and are not held for the purpose of or with
   the effect of changing or influencing the control of the issuer of the securities and
   were not acquired and are not held in connection with or as a participant in any
   transaction having that purpose or effect.   </font></p>
  </td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="left"><p><br></p></td>
 </tr>
 <tr valign="top">
  <td colspan="2" width="640" align="center"><font size="2"><b>SIGNATURE</b></font></td>
 </tr>
</table>
<p></p>
<TABLE border="0" cellPadding="0" cellSpacing="2" width="640">
 <tr>
  <td width="640" colspan="5"><p align="justify"><font size="2">
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;After reasonable inquiry and to the best of my
   knowledge and belief, I certify that the information set forth in this statement is true,
   complete and correct.</p></font></td>
 </tr>
 <tr>
  <td width="640" colspan="5">&nbsp;</td>
 </tr>
 <tr>
  <TD width="640" colspan="5" valign="top"><font size="2">Date:&nbsp;&nbsp;June 30, 2003</font></TD>
 </tr> <tr>
  <TD width="320" colspan="1" align="right" valign="top"><font size="2">&nbsp;</font></TD>
  <TD width="30" colspan="1" align="right" valign="top"><font size="2">By:</font></TD>
  <TD width="290" align="left" valign="top" colspan="3"><font size="2">/s/&nbsp;Brian Alfrey   <HR noshade size="1" width="240" align="left" valign="top">
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Brian Alfrey   </FONT>
  </TD>
 </tr> <tr>
   <TD width="320" colspan="1" align="right" valign="top"><font size="2">&nbsp;</font></TD>
   <TD width="40" colspan="2" align="right" valign="top"><font size="2">Title:</font></TD>
   <TD width="280" colspan="2" align="left" valign="top"><font size="2">
    &nbsp;&nbsp;&nbsp;Executive Chief President/Chief Operating Officer&nbsp;</FONT>
   </TD>
 </tr>
 <tr>
  <td width="640" colspan="5">&nbsp;</td>
 </tr></table>
<TABLE border="0" cellPadding="0" cellSpacing="2" width="640">
 <tr>
  <td colspan="2">&nbsp;</td>
 </tr>
 <tr>
  <td colSpan="2" width="640" align="left"><br><br><P ALIGN="CENTER"><FONT SIZE="2">5</FONT></P><hr size="3" noshade></td>
 </tr>
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