Company: GCTS
Filing Date: 2025-03-26
Form Type: 424B3
Source: 0000929638-25-001281
Chunk: 187

Company: GCT Semiconductor Holding, Inc.
Filing Date: 2025-03-26
Form: 424B3
Chunk 187
---
 covered in the order of accrued interest and principal. 4. In the event of 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 1 Article 6 (Event of Late Payment) If Borrower fails to pay timely any of the principal amount or any accrued interest due under this loan agreement on the maturity date, Borrower shall pay penalty of 1.25% 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. November 11, 2024 Lender: Kyeongho Lee [***] By: /s/ Kyeongho Lee -------------------------------- 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 -------------------------------- Name: Jeongmin Kim Title: President and Representative Director 2

EXHIBIT 10.27

<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.

Loan Agreement</div>

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

Article 1 (Purpose)

The purpose of this agreement is to lend operating funds from Lender to Borrower in order to provide short term funds for operating expenditure of Borrower.

Article 2 (Contractor)

Lender: Kyeongho Lee

Borrower: GCT Research, Inc.

Article 3 (Loan conditions)

Loan principal: KRW6,500,000,000

Interest rate: 12.0% per annum, provided that interest