Company: GCTS
Filing Date: 2025-03-26
Form Type: 424B3
Source: 0000929638-25-001279
Chunk: 192

Company: GCT Semiconductor Holding, Inc.
Filing Date: 2025-03-26
Form: 424B3
Chunk 192
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, in case of early repayment, the calculation is done daily.

Repayment funds are covered in the order of accrued interest and principal.

If Borrower falls under any of the following, the loan must be repaid immediately at the time the relevant event occurs before the maturity date.

① Insolvency

② Apply for bankruptcy

③ Bond preservation

④ Court management

Article 6 (Events of Late Payment)

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If Borrower fails to pay timely any of the principal amount or any accrued interest due under this loan agreement on maturity date, Borrower shall pay penalty of 3.0% of principal per month calculated daily until principal and accrued interest has been paid.

Article 7 (Effectiveness of agreement)

This contract is effective from the date of signature and seal by both parties.

Article 8 (Resolution of Disputes)

Matters not specified in this agreement shall be subject to relevant laws and customs, and if a dispute arises in connection with this contract, the competent court shall be the court with jurisdiction over the location of Lender.

January 24, 2025

Lender: Kyeongho Lee

[***]

By:

/s/ Kyeongho Lee

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Name: Kyeongho Lee

Borrower: GCT Research, Inc.

Address: 11F., Specialty Construction Center, 15, Boramae-ro 5-gil, Dongjak Gu, Seoul 07071, Korea

By:

/s/ Jeongmin Kim

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Name: Jeongmin Kim

Title: President and Representative Director

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EXHIBIT 10.28

<div align='center'>CERTAIN INFORMATION CONTAINED IN THIS EXHIBIT, MARKED BY [***], HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE THE REGISTRANT HAS DETERMINED THAT IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL.

Amendment to Loan Agreements</div>

Kyeongho Lee (“Lender”) and GCT Research, Inc. (“Borrower”) are executing the amendment to loan agreements as follows.

“Lender” and “Borrower” entered into a loan agreement with a principal of KRW 4 billion on November 11, 2024, a loan agreement with a principal of KRW 1 billion on December 11, 2024