UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

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)

September 29, 2004

AMKOR TECHNOLOGY, INC.

1345 ENTERPRISE DRIVE
WEST CHESTER, PA 19380
(Address of Principal Executive Offices, including Zip Code)

(610) 431-9600
(Registrant’s telephone number, including area code)

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):

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

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

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

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Table of Contents

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

     On September 29, 2004, Amkor Technology, Inc. issued a press release announcing its revised earnings guidance for the third quarter of 2004 and certain other information. A copy of the press release is attached to this Form 8-K as Exhibit 99.1. The information provided in this Form 8-K report is being filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

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.

Date: September 30, 2004

EXHIBIT INDEX:

99.1 Text of Press Release dated September 29, 2004.

2