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  		UNITED STATES<BR>
  	SECURITIES AND EXCHANGE COMMISSION
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  	WASHINGTON, D.C. 20549
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  	FORM 8-K
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  	CURRENT REPORT
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  	Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
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  	Date of Report (Date of Earliest Event Reported):
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  	&nbsp;
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  	February 23, 2007
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  	KOMAG, INCORPORATED
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  <BR>__________________________________________<BR>
  	(Exact name of registrant as specified in its charter)
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  	Delaware
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  	0-16852
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  	94-2914864
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  _____________________<BR>
  	(State or other jurisdiction
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  _____________<BR>
  	(Commission
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  ______________<BR>
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  	of incorporation)
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  	File Number)
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  	Identification No.)
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  	1710 Automation Parkway, San Jose, California
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  	95131
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  _________________________________<BR>
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  ___________<BR>
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  	Registrant&#146;s telephone number, including area code:
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  	408-576-2000
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  	Not Applicable
  <BR>______________________________________________<BR>
  	Former name or former address, if changed since last report
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  	&nbsp;
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  <!-- CoverPageRegistrant END --><P><FONT 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:</FONT>
  </P>
  <P><FONT SIZE="2">
  [&nbsp;&nbsp;]&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<br>
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  	Item 1.01 Entry into a Material Definitive Agreement.
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  Komag, Incorporated and Komag USA (Malaysia) Sdn (collectively, "Komag") supply media to Seagate Technology International ("Seagate") under existing media supply agreements.  In the second quarter of 2006 Seagate acquired Maxtor Corporation ("Maxtor").  On February 23, 2007, Komag and Maxtor (now a subsidiary of Seagate) agreed to terminate the separate Maxtor media supply agreement and Komag and Seagate agreed to amend the Seagate media supply agreement to include certain commitments from the Maxtor agreement.  In addition, Komag and Seagate entered into a new Substrate Product Supply Agreement.  <br><br>The original media supply agreement between Komag and Seagate provided, among other terms and conditions, for Komag to meet certain specified supply volume obligations and for Seagate to pay an amount to secure those volume obligations, subject to payback based on its purchases.  The amendment to the Seagate media supply agreement modifies terms and conditions including, volume commitment, termination and payment terms.  The term of the amended agreement is through October 1, 2009, subject to certain renewal periods.<br> <br>The new Substrate Supply Agreement with Seagate provides, among other terms and conditions, for Komag to meet certain specified supply obligations with respect to substrate products and for Seagate to meet certain purchase obligations.  The initial term of the Substrate Supply Agreement is from January 1, 2007 until December 31, 2008, subject to annual renewal provisions.<br><br>The above descriptions of the new Substrate Product Supply Agreement and the amendment to the Seagate media supply agreement are qualified in their entirety by reference to the full text of those agreements, copies of which will be filed as exhibits to Komag&#x2019;s next periodic report on Form 10-Q, with portions omitted and filed separately with the Securities and Exchange Commission pursuant to a request for confidential treatment. <br><br>A copy of the press release announcing that Komag and Seagate have expanded their strategic relationship and that in addition to the existing media supply agreement between the parties, Komag will also provide Seagate with additional aluminum substrates is attached to this Current Report as Exhibit 99.1 and is incorporated herein by reference. <br>
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  	Item 1.02 Termination of a Material Definitive Agreement.
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  As discussed above and incorporated herein by reference, on February 23, 2007, Komag and Maxtor agreed to terminate the existing Maxtor media supply agreement, dated as of October 6, 2003, as amended on July 8, 2005.  The termination of the existing Maxtor media supply agreement is effective as of February 20, 2007.  <br><br>
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  	Item 9.01 Financial Statements and Exhibits.
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  (d)	Exhibits<br><br>Exhibit No. and Description<br>99.1  Press Release dated February 27, 2007<br>
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  	SIGNATURES
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  	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.
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  	KOMAG, INCORPORATED
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  	&nbsp;&nbsp;
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  <I>
  	February 27, 2007
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  <I>
  	Kathleen A. Bayless
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  <I>
  	Name: Kathleen A. Bayless
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  <I>
  	Title: Senior Vice President, Chief Financial Officer
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  	Exhibit&nbsp;Index
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  	Exhibit No.
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  	Description
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  	99.1
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  Press Release dated February 27, 2007
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metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "htm_18498.htm", "description": "LIVE FILING", "secsgml_size_bytes": 12619}]
metadata_filer: {"company-data": {"conformed-name": "KOMAG INC /DE/", "cik": "0000813347", "assigned-sic": "3695", "irs-number": "942914864", "state-of-incorporation": "DE", "fiscal-year-end": "0102"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-16852", "film-number": "07653443"}, "business-address": {"street1": "1710 AUTOMATION PWY", "city": "SAN JOSE", "state": "CA", "zip": "95131", "phone": "4085762000"}, "mail-address": {"street1": "1710 AUTOMATION PWY", "city": "SAN JOSE", "state": "CA", "zip": "95131"}}
text: KOMAG, INCORPORATED (Form: 8-K)
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 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):
  February 23, 2007
  KOMAG, INCORPORATED
  __________________________________________
  (Exact name of registrant as specified in its charter)
  Delaware
  0-16852
  94-2914864
  _____________________
  (State or other jurisdiction
  _____________
  (Commission
  ______________
  (I.R.S. Employer
  of incorporation)
  File Number)
  Identification No.)
  1710 Automation Parkway, San Jose, California
  95131
  _________________________________
  (Address of principal executive offices)
  ___________
  (Zip Code)
  Registrant's telephone number, including area code:
  408-576-2000
  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:
  [  ]  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))
  Top of the Form
  Item 1.01 Entry into a Material Definitive Agreement.
  Komag, Incorporated and Komag USA (Malaysia) Sdn (collectively, "Komag") supply media to Seagate Technology International ("Seagate") under existing media supply agreements.  In the second quarter of 2006 Seagate acquired Maxtor Corporation ("Maxtor").  On February 23, 2007, Komag and Maxtor (now a subsidiary of Seagate) agreed to terminate the separate Maxtor media supply agreement and Komag and Seagate agreed to amend the Seagate media supply agreement to include certain commitments from the Maxtor agreement.  In addition, Komag and Seagate entered into a new Substrate Product Supply Agreement.
  The original media supply agreement between Komag and Seagate provided, among other terms and conditions, for Komag to meet certain specified supply volume obligations and for Seagate to pay an amount to secure those volume obligations, subject to payback based on its purchases.  The amendment to the Seagate media supply agreement modifies terms and conditions including, volume commitment, termination and payment terms.  The term of the amended agreement is through October 1, 2009, subject to certain renewal periods.
  The new Substrate Supply Agreement with Seagate provides, among other terms and conditions, for Komag to meet certain specified supply obligations with respect to substrate products and for Seagate to meet certain purchase obligations.  The initial term of the Substrate Supply Agreement is from January 1, 2007 until December 31, 2008, subject to annual renewal provisions.
  The above descriptions of the new Substrate Product Supply Agreement and the amendment to the Seagate media supply agreement are qualified in their entirety by reference to the full text of those agreements, copies of which will be filed as exhibits to Komag's next periodic report on Form 10-Q, with portions omitted and filed separately with the Securities and Exchange Commission pursuant to a request for confidential treatment.
  A copy of the press release announcing that Komag and Seagate have expanded their strategic relationship and that in addition to the existing media supply agreement between the parties, Komag will also provide Seagate with additional aluminum substrates is attached to this Current Report as Exhibit 99.1 and is incorporated herein by reference.
  Item 1.02 Termination of a Material Definitive Agreement.
  As discussed above and incorporated herein by reference, on February 23, 2007, Komag and Maxtor agreed to terminate the existing Maxtor media supply agreement, dated as of October 6, 2003, as amended on July 8, 2005.  The termination of the existing Maxtor media supply agreement is effective as of February 20, 2007.
  Item 9.01 Financial Statements and Exhibits.
  (d)	Exhibits
  Exhibit No. and Description
  99.1  Press Release dated February 27, 2007
  Top of the Form
  SIGNATURES
  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.
  KOMAG, INCORPORATED
  February 27, 2007
  By:
  Kathleen A. Bayless
  Name: Kathleen A. Bayless
  Title: Senior Vice President, Chief Financial Officer
  Top of the Form
  Exhibit Index
  Exhibit No.
  Description
  99.1
  Press Release dated February 27, 2007