Treasury share disposal: results report

What happened

Treasury Share Disposal: Results Report To: Governor of the Financial Supervisory Service August 4, 2026

Company name: Spigen Korea Co., Ltd. Representative Director: Kim Dae-young Head office address: Spigen HQ Building A, 446 Bongeunsa-ro, Gangnam-gu, Seoul (Samseong-dong) Phone: 02-6713-6010 Website: http://www.spigenkorea.co.kr Preparer: (Title) Head of Management Support Division (Name) Choi Cheol-gyu (Phone) 02-6713-6041

1. Name and address of the issuer (a) Name: Spigen Korea Co., Ltd. (b) Address: Spigen HQ Building A, 446 Bongeunsa-ro, Gangnam-gu, Seoul (Samseong-dong)

2. Details of the disposal report (a) Date of submission of the material event report: July 21, 2026 (b) Disposal period: From July 31, 2026 to July 31, 2026 (c) Type and number of shares disposed of as reported: Common shares, 18,500 shares total

3. Disposal details (Unit: KRW, shares) Date: July 31, 2026; Type: Common shares; Order quantity: -; Disposal quantity: 17,700; Disposal price per share: 29,300; Total disposal amount: 518,610,000; Disposal counterparty: Company employees; Entrusted securities firm: Samsung Securities; Financial investment company's unique number: 00104856 Total: Disposal quantity 17,700; Disposal price per share 29,300; Total disposal amount 518,610,000

Note 1) The above disposal price per share and total disposal amount are based on the closing price on the day of disposal.

4. Whether the disposal report matches the actual disposal Shares planned to be disposed of (shares): Common shares 18,500; Other shares - Total shares actually disposed of (shares): Common shares 17,700; Other shares - Match: Mismatch Reason for the difference: Difference arose from a decrease in the number of recipients

5. Treasury shares and similar holdings after disposal [as of August 4, 2026] (Unit: KRW million, shares, %) Common shares, holdings under Article 165-3 of the Act (A): Quantity 377,969; Ratio 6.08; Total value 12,999; holdings under trust agreements (B): all -; Total (A+B): Quantity 377,969; Ratio 6.08; Amount 12,999. Grand total: Quantity 377,969; Ratio 6.08; Total value 12,999; Total (A+B): Quantity 377,969; Ratio 6.08; Amount 12,999.

Note 1) The above ratio is the treasury share ratio relative to total shares issued (6,216,363 shares). Note 2) The above total value and amount are calculated on a book-value basis.