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

January 28, 2004

Date of Report (date of earliest event reported)

KOMAG, INCORPORATED

(Exact name of Registrant as specified in its charter)

Delaware	0-16852	94-2914864
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification No.)

1710 Automation Parkway
San Jose, California 95131

(Address of principal executive offices)

Registrant’s telephone number, including area code: (408) 576-2000

N/A

(Former name or former address, if changed since last report)

TABLE OF CONTENTS

	Item 5. Other Events
	Item 7. Financial Statements and Exhibits.
EXHIBIT INDEX
EXHIBIT 99

Item 5. Other Events

     On January 28, 2004, Komag, Incorporated issued a press release announcing it is calling for the partial redemption on February 12, 2004 of $72,000,000 principal amount of its Senior Secured Notes Due 2007 (the “Notes”) and for the full redemption on February 27, 2004 of the remaining Notes not redeemed on February 12, 2004.

Item 7. Financial Statements and Exhibits.

(a) Not applicable.

(b) Not applicable.

(c) Exhibits.

99 Registrant’s Press Release dated January 28, 2004

     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, a Delaware corporation
Dated: January 29, 2004	By:	/s/ Kathleen A. Bayless
		Kathleen A. Bayless Vice President, Chief Financial Officer

EXHIBIT INDEX

Exhibit Number	Description
99	Registrant’s Press Release dated January 28, 2004.