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<title>Form 8-K
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<font face="Times New Roman, Times, Serif" size=5><b>UNITED STATES<br>
SECURITIES AND EXCHANGE COMMISSION<br></b></font>
<font face="Times New Roman, Times, Serif" size=2>Washington, DC 20549</font>
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<font face="Times New Roman, Times, Serif" size=5><b>FORM 8-K<br>
<br></b></font></p>
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<font face="Times New Roman, Times, Serif" size=5><b>CURRENT REPORT</b></font><br><font face="Times New Roman, Times, Serif" size=2><b>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934<br></b></font></p>
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<font face="Times New Roman, Times, Serif" size=2>Date of Report&nbsp;&nbsp;(Date of earliest event reported):&nbsp;&nbsp;&nbsp;&nbsp;June 15, 2005</font><br></p>
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<font face="Times New Roman, Times, Serif" size=5><b>MILLENNIUM PHARMACEUTICALS, INC.</b></font><br><font face="Times New Roman, Times, Serif" size=2>(Exact name of registrant as specified in its charter)</font></p>
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<td width=33% align=center valign=top><font face="Times New Roman, Times, Serif" size=2><b>Delaware</b></font></td>
<td width=34% align=center valign=top><font face="Times New Roman, Times, Serif" size=2><b>0-28494</b></font></td>
<td width=33% align=center valign=top><font face="Times New Roman, Times, Serif" size=2><b>04-3177038</b></font></td>
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<td width=33% align=center valign=top><font face="Times New Roman, Times, Serif" size=2>(State or other jurisdiction<br>of incorporation)</font></td>
<td width=34% align=center valign=top><font face="Times New Roman, Times, Serif" size=2>(Commission file number)</font></td>
<td width=33% align=center valign=top><font face="Times New Roman, Times, Serif" size=2>(IRS&nbsp;Employer<br>Identification&nbsp;No.)</font></td>
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<p align=center><font face="Times New Roman, Times, Serif" size=2><b>40 Landsdowne Street<br>Cambridge, Massachusetts 02139</b><br>
(Address of principal executive offices)&nbsp;(zip code)</font></p>

<p align=center><font face="Times New Roman, Times, Serif" size=2><b>(617)&nbsp;&nbsp;679-7000<br></b>
(Registrant's telephone number, including area code)</font></p>

<p align=center><font face="Times New Roman, Times, Serif" size=2><b>Not applicable<br></b>
(Former name or former address if changed since last report)</font></p>

<p align=left><font face="Times New Roman, Times, Serif" size=2>Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy
the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</font></p>

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<td align=right valign=top width=3%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=right valign=top width=1%><font face="Times New Roman, Times, Serif" size=2>&#144;</font></td>
<td align=right valign=top width=2%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=left valign=top width=94%><font face="Times New Roman, Times, Serif" size=2>Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></td>
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<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&#144;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=left valign=bottom><font face="Times New Roman, Times, Serif" size=2>Soliciting material pursuant to Rule
14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></td>
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<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&#144;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=left valign=bottom><font face="Times New Roman, Times, Serif" size=2>Pre-commencement communications pursuant
to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</font></td></tr>
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<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&#144;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=left valign=bottom><font face="Times New Roman, Times, Serif" size=2>Pre-commencement communications pursuant to Rule 13e-4(c)
under the Exchange Act (17 CFR 240.13e-4(c))</font></td></tr>
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<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=right valign=top><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<p align=left><font face="Times New Roman, Times, Serif" size=2><b>Item&nbsp;&nbsp;&nbsp;&nbsp;5.02&nbsp;&nbsp;&nbsp;&nbsp;Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.
</b></font></p>


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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>On June 15, 2005, the Board of
Directors of Millennium Pharmaceuticals, Inc. filled a vacancy on the Board by electing
Robert F. Friel to serve as a Class I member of the Board of Directors for a term
beginning on that date through the date of the 2006 Annual Meeting of Stockholders when
the Class I directors&#146; terms expire. The Board appointed Mr. Friel to the Audit
Committee. With the addition of Mr. Friel, the Board now has eight members, six of whom
are independent directors within the meaning of Securities and Exchange Commission
regulations and NASDAQ stock market listing standards. In connection with his appointment,
Mr. Friel will be entitled to Millennium&#146;s standard compensation paid to non-employee
directors. Mr. Friel is the Executive Vice President and Chief Financial Officer of
PerkinElmer, Inc.</FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>On June 17, 2005, Millennium issued a
press release announcing the election of Mr. Friel. The press release is attached to this
Current Report on Form 8-K as Exhibit 99.1.</FONT></P>


<p align=left><font face="Times New Roman, Times, Serif" size=2><b>Item&nbsp;&nbsp;&nbsp;&nbsp;9.01&nbsp;&nbsp;&nbsp;&nbsp;Financial
Statements and Exhibits.</b></font></p>

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<td align=left width=20%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=left width=10%><font face="Times New Roman, Times, Serif" size=2>(c)</font></td>
<td align=left width=70%><font face="Times New Roman, Times, Serif" size=2>Exhibits</font></td>
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<td align=left width=20%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=10%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=left width=70%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<td width=20%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=10%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=70%><font face="Times New Roman, Times, Serif" size=2>See Exhibit Index attached to this Current Report on Form 8-K.</font></td>
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<td align=left width=20%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=10%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td align=left width=70%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<p align=center><font face="Times New Roman, Times, Serif" size=2>2</font></p>
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<p align=center><FONT FACE="Times New Roman, Times, Serif" SIZE=2><b><a name="sig">SIGNATURE</a></b></font></p>

<p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its
behalf by the undersigned hereunto duly authorized.</font></p>




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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td colspan=2><font face="Times New Roman, Times, Serif" size=2>MILLENNIUM PHARMACEUTICALS, INC.<br>(Registrant)<br><br></font></td>
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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Date: June 17, 2005&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=4%><font face="Times New Roman, Times, Serif" size=2>By&nbsp;</font></td>
<td width=36% align=left><font face="Times New Roman, Times, Serif" size=2>/s/&nbsp;&nbsp;MARSHA H. FANUCCI</font></td>
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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=4%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=36% align=left><font face="Times New Roman, Times, Serif" size=2></font><hr noshade></td>
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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=4%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=36% align=left><font face="Times New Roman, Times, Serif" size=2>Marsha H. Fanucci</font></td>
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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=4%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=36% align=left><font face="Times New Roman, Times, Serif" size=2>Senior Vice President and Chief Financial Officer</font></td>
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<p align=center><font face="Times New Roman, Times, Serif" size=2>3</font></p>
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<p><font face="Times New Roman, Times, Serif" size=2><b><a name="index">EXHIBIT INDEX</a></b></font></p>

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<th width=9% align=center colspan=2><font face="Times New Roman, Times, Serif" size=2>Exhibit No.<br></font><hr noshade></th>
<th width=3%>&nbsp;</th>
<th width=68% align=center><font face="Times New Roman, Times, Serif" size=2>Description<br></font><hr noshade></th>
<th width=20% align=left><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></th>
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<td width=3%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=6%><font face="Times New Roman, Times, Serif" size=2>99.1</font></td>
<td width=3%>&nbsp;</td>
<td width=68% align=left><font face="Times New Roman, Times, Serif" size=2>Press Release of Millennium Pharmaceuticals, Inc. dated June 17, 2005.
</font></td>
<td width=20% align=left><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<td width=3%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=6%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=3%>&nbsp;</td>
<td width=68% align=left><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=20% align=left><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<p align=center><font face="Times New Roman, Times, Serif" size=2>4</font></p>
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Form 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report  (Date of earliest event reported):    June 15, 2005
MILLENNIUM PHARMACEUTICALS, INC.
(Exact name of registrant as specified in its charter)
Delaware
0-28494
04-3177038
(State or other jurisdiction
of incorporation)
(Commission file number)
(IRS Employer
Identification No.)
40 Landsdowne Street
Cambridge, Massachusetts 02139
(Address of principal executive offices) (zip code)
(617)  679-7000
(Registrant's telephone number, including area code)
Not applicable
(Former name or former address if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy
the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule
14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant
to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c)
under the Exchange Act (17 CFR 240.13e-4(c))
Item    5.02    Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.
On June 15, 2005, the Board of
Directors of Millennium Pharmaceuticals, Inc. filled a vacancy on the Board by electing
Robert F. Friel to serve as a Class I member of the Board of Directors for a term
beginning on that date through the date of the 2006 Annual Meeting of Stockholders when
the Class I directors' terms expire. The Board appointed Mr. Friel to the Audit
Committee. With the addition of Mr. Friel, the Board now has eight members, six of whom
are independent directors within the meaning of Securities and Exchange Commission
regulations and NASDAQ stock market listing standards. In connection with his appointment,
Mr. Friel will be entitled to Millennium's standard compensation paid to non-employee
directors. Mr. Friel is the Executive Vice President and Chief Financial Officer of
PerkinElmer, Inc.
On June 17, 2005, Millennium issued a
press release announcing the election of Mr. Friel. The press release is attached to this
Current Report on Form 8-K as Exhibit 99.1.
Item    9.01    Financial
Statements and Exhibits.
(c)
Exhibits
See Exhibit Index attached to this Current Report on Form 8-K.
2
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its
behalf by the undersigned hereunto duly authorized.
MILLENNIUM PHARMACEUTICALS, INC.
(Registrant)
Date: June 17, 2005
By
/s/  MARSHA H. FANUCCI
Marsha H. Fanucci
Senior Vice President and Chief Financial Officer
3
EXHIBIT INDEX
Exhibit No.
Description
99.1
Press Release of Millennium Pharmaceuticals, Inc. dated June 17, 2005.
4