SK hynix (SKHY) completes ADR-backed 17,790,000-share capital increase

Rhea-AI Filing Summary

SK hynix Inc. completed a paid-in capital increase via third-party allotment, issuing 17,790,000 new registered common shares. All shares were allotted to Citibank, N.A., an overseas depositary institution, to serve as the underlying shares for American Depositary Receipts to be issued to overseas investors.

The planned issuance amount was 40,023,070,290,000 Won, based on an exchange rate of Won 1,509.90 per U.S. dollar applied to an ADR offering of US$26,507,100,000. The actual issuance amount was 39,890,534,790,000 Won, using an exchange rate of Won 1,504.90 per U.S. dollar on the July 14, 2026 closing date.

Filing Explained

The completed July 14 allotment disclosed in the July 15 Form 6-K issued 17,790,000 new common shares to Citibank as ADR backing, increasing the total share count and reducing existing holders’ percentage ownership absent offsetting changes.

Key Figures

Planned common shares: 17,790,000 shares Planned issuance amount: 40,023,070,290,000 Won Actual issuance amount: 39,890,534,790,000 Won +3 more

6 metrics

Planned common shares 17,790,000 shares Planned number of common shares to be issued via third-party allotment

Planned issuance amount 40,023,070,290,000 Won Calculated using Won 1,509.90 per U.S. dollar on July 9, 2026

Actual issuance amount 39,890,534,790,000 Won Calculated using Won 1,504.90 per U.S. dollar on July 14, 2026

ADR offering amount US$26,507,100,000 Total ADR offering amount used for both Won calculations

Exchange rate (pricing date) Won 1,509.90 per U.S. dollar Opening base exchange rate on July 9, 2026 for planned amount

Exchange rate (closing date) Won 1,504.90 per U.S. dollar Opening base exchange rate on July 14, 2026 for actual amount

Key Terms

paid-in capital increase, third-party allotment, American Depositary Receipts, overseas depositary institution

4 terms

paid-in capital increase financial

"Results of Paid-in Capital Increase Through Third-Party Allotment"

third-party allotment financial

"Paid-in capital increase through third-party allotment of new common shares"

American Depositary Receipts financial

"The newly issued common shares will serve as the basis for American Depositary Receipts"

A certificate traded on U.S. markets that represents ownership of shares in a foreign company, letting U.S. investors buy and sell that company as if it were listed domestically. Think of it as a local voucher for a foreign product: it makes price quotes in dollars, trades on familiar exchanges, and brings differences in liquidity, fees and legal protections that can affect returns and risk compared with buying the underlying foreign shares directly.

overseas depositary institution financial

"All of the newly issued common shares were issued to Citibank, N.A., an overseas depositary institution"

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FAQ

What capital increase did SK hynix (SKHY) carry out in July 2026?

SK hynix completed a paid-in capital increase through third-party allotment, issuing 17,790,000 new registered common shares. These shares were provided to Citibank, N.A. to back American Depositary Receipts for overseas institutional and other investors.

How many new SK hynix (SKHY) shares were issued and to whom?

SK hynix issued 17,790,000 new common shares, all allotted to Citibank, N.A. as an overseas depositary institution. These shares form the basis for ADRs that Citibank will issue to overseas institutional and other investors.

What was the planned issuance amount for SK hynix (SKHY) new shares?

The planned issuance amount was 40,023,070,290,000 Won. It was calculated using a Won/U.S. dollar exchange rate of Won 1,509.90 per U.S. dollar applied to a total ADR offering amount of US$26,507,100,000.

What was the actual issuance amount for SK hynix (SKHY) capital increase?

The actual issuance amount was 39,890,534,790,000 Won. This was based on a Won/U.S. dollar exchange rate of Won 1,504.90 per U.S. dollar on July 14, 2026, applied to the same ADR offering amount of US$26,507,100,000.

How were exchange rates used in SK hynix (SKHY) share issuance calculations?

For the planned amount, SK hynix used an exchange rate of Won 1,509.90 per U.S. dollar on July 9, 2026. For the actual amount, it used Won 1,504.90 per U.S. dollar on July 14, 2026, both applied to US$26,507,100,000 of ADR offerings.

What key dates are associated with SK hynix (SKHY) paid-in capital increase?

The initial board resolution on the issuance was dated June 24, 2026, and the closing date for the newly issued shares was July 14, 2026. The ADR pricing date used for the planned calculation was July 9, 2026, U.S. time.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE MONTH OF JULY 2026

Commission File Number: 001-43391

SK hynix Inc.

(Translation of registrant’s name into English)

2091, Gyeongchung-daero

Bubal-eup, Icheon-si

Gyeonggi-do 17336, Korea

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒    Form 40-F ☐

Results of Paid-in Capital Increase Through Third-Party Allotment (Voluntary Disclosure)

On July 15, 2026, SK hynix Inc. (the “Company”) made a voluntary disclosure filing with the Korea Stock Exchange to report the results of its paid-in capital increase through the issuance of new common shares via third-party allotment, which contained the following information:

1. Type of Securities				Registered common shares
2. Method of Issuance				Paid-in capital increase through third-party allotment
3. Details of Issuance		Planned Number of Common Shares to be Issued		17,790,000
		Planned Issuance Amount (Won)		40,023,070,290,000
		Date of Initial Board Resolution on Issuance		June 24, 2026
		Actual Number of Common Shares Issued		17,790,000
		Actual Issuance Amount (Won)		39,890,534,790,000
		Closing Date		July 14, 2026
4. Other Important Matters Relating to Investment Decision				-  All of the newly issued common shares were issued to Citibank, N.A. (the “Depositary”), an overseas depositary institution, through a third-party allotment. The newly issued common shares will serve as the basis for American Depositary Receipts (“ADRs”) to be issued by the Depositary to overseas institutional and other investors. -  The “Planned Issuance Amount (Won)” set forth in Item 3 above was calculated by applying the Won/U.S. dollar base exchange rate of Won 1,509.90 per U.S. dollar, being the opening base exchange rate quoted by Seoul Money Brokerage Services, Ltd. on July 9, 2026 (the ADR pricing date, U.S. time), to the total ADR offering amount of US$26,507,100,000. -  The “Actual Issuance Amount (Won)” set forth in Item 3 above was calculated by applying the Won/U.S. dollar base exchange rate of Won 1,504.90 per U.S. dollar, being the opening base exchange rate quoted by Seoul Money Brokerage Services, Ltd. on July 14, 2026 (the closing date for the newly issued shares), to the total ADR offering amount of US$26,507,100,000.

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, thereunto duly authorized.

SK hynix Inc.

(Registrant)

By: /s/ Seonghwan Park

(Signature)
Name:		Seonghwan Park
Title:		Head of Investor Relations

Date: July 15, 2026