Amkor (NASDAQ: AMKR) plans $400M 2033 notes to redeem 2027s

Rhea-AI Filing Summary

Amkor Technology, Inc. announced its intention to offer $400,000,000 aggregate principal amount of senior notes due 2033. The company stated that it intends to use the proceeds from this proposed 2033 notes offering to redeem in full the $400,000,000 aggregate principal amount outstanding of its 6.625% senior notes due 2027.

The company noted that completion of the 2033 notes offering will not be conditioned on the redemption of the 2027 notes, and this disclosure does not constitute a formal notice of redemption. Amkor attached the related press release as an exhibit to provide further details on the proposed financing and planned redemption.

Insights

Corporate finance and capital structure analyst

Amkor outlines a like-for-like $400M senior notes refinancing plan.

Amkor Technology, Inc. plans to issue $400,000,000 of senior notes due 2033 and use the proceeds to redeem in full its outstanding $400,000,000 6.625% senior notes due 2027. This represents a straightforward refinancing of existing debt rather than a change in overall borrowing level, based on the amounts disclosed.

The company specifies that closing of the 2033 notes offering is not conditioned on redeeming the 2027 notes, so the two steps are legally separate even though the stated intent links them. Actual economic impact will depend on final pricing and terms of the 2033 notes, which are not detailed in the excerpt. Subsequent disclosures around the 2033 notes issuance and the execution of the 2027 notes redemption will clarify how Amkor’s maturity profile and interest costs evolve.

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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)

September 8, 2025

AMKOR TECHNOLOGY, INC.

(Exact name of registrant as specified in its charter)

Delaware

000-29472

23-1722724

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(IRS Employer Identification No.)

2045 EAST INNOVATION CIRCLE

TEMPE, AZ 85284

(Address of principal executive offices, including zip code)

(480) 821-5000

(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:

☐ 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))

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class			Trading Symbol			Name of Each Exchange on Which Registered
Common Stock, $0.001 par value			AMKR			The NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Item 8.01. Other Events.

On September 8, 2025, Amkor Technology, Inc. (the “Company”) issued a press release announcing its intention to offer $400,000,000 aggregate principal amount of senior notes due 2033 (the “2033 Notes”). The Company also announced its intention to use the proceeds of the offering to redeem in full the $400,000,000 aggregate principal amount outstanding of its 6.625% senior notes due 2027 (the “2027 Notes”). The consummation of the offering of the 2033 Notes will not be conditioned on the redemption of the 2027 Notes. A copy of this press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

This Current Report on Form 8-K does not constitute a notice of redemption of the 2027 Notes.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit						Description
99.1						Press release, dated September 8, 2025, announcing proposed offering of senior notes due 2033 and intention to redeem senior notes due 2027.
104						Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

AMKOR TECHNOLOGY, INC.

By:

/s/ Mark N. Rogers

Mark N. Rogers

Executive Vice President, General Counsel, and Corporate Secretary

Date: September 8, 2025

FAQ

What debt offering did Amkor Technology, Inc. (AMKR) announce?

Amkor Technology, Inc. announced its intention to offer $400,000,000 aggregate principal amount of senior notes due 2033.

How does Amkor (AMKR) plan to use the proceeds from the 2033 senior notes?

Amkor stated that it intends to use the proceeds from the proposed 2033 senior notes offering to redeem in full the $400,000,000 aggregate principal amount outstanding of its 6.625% senior notes due 2027.

Is the 2033 notes offering conditioned on redeeming Amkor’s 2027 notes?

No. Amkor disclosed that the consummation of the offering of the 2033 notes will not be conditioned on the redemption of the 2027 notes.

Does this filing serve as a formal notice of redemption for Amkor’s 2027 notes?

No. Amkor explicitly stated that this disclosure does not constitute a notice of redemption of the 6.625% senior notes due 2027.

What exhibit did Amkor attach related to the proposed 2033 senior notes offering?

Amkor attached as Exhibit 99.1 a press release dated September 8, 2025 announcing the proposed offering of senior notes due 2033 and the intention to redeem senior notes due 2027.

Which series of Amkor (AMKR) notes is targeted for full redemption?

Amkor intends to redeem in full its 6.625% senior notes due 2027, of which $400,000,000 aggregate principal amount is outstanding.