Completion report on merger, etc. (merger)

What happened

Completion Report on Merger, etc. (Merger) 6.0 Ggumbi Co., Ltd. Completion Report on Merger, etc. (Merger) To: Governor of the Financial Supervisory Service August 5, 2026 Company name: Ggumbi Co., Ltd. CEO: Park Young-gun Head office: 3F, 6 Dongbaekjukjeon-daero 175beon-gil, Giheung-gu, Yongin-si, Gyeonggi-do (Phone) 1644-8135 (Website) http://www.ggumbi-company.com Preparer: (Title) Managing Director (Name) Kim Sang-jun (Phone) 1644-8135

I. Schedule Board resolution date for the merger: 2026.05.18, Record date set for dissenting-shareholder confirmation, announced on website Merger agreement execution date: 2026.05.19, - Record date for confirmation of rights-holding shareholders: 2026.06.02, - Small-scale merger announcement: 2026.06.02, Announced on website Period for receiving notices of objection to the merger: Start 2026.06.02 / End 2026.06.16, - Board resolution approving the merger: 2026.06.17, In lieu of shareholders' meeting Creditor objection announcement: 2026.06.17, Announced on website Creditor objection period: Start 2026.06.17 / End 2026.07.17, - Merger date: 2026.08.01, - Board resolution for merger completion report announcement: 2026.08.03, In lieu of shareholders' meeting Merger completion report announcement: 2026.08.03, Announced on website Expected merger (dissolution) registration date: 2026.08.07, -

II. Changes in Equity of the Largest Shareholder, etc. The surviving merging company, Ggumbi Co., Ltd., holds 100% of the issued shares of the extinguished merged company, Octo I&C Co., Ltd. This merger was carried out as a no-new-shares merger without issuance of merger shares; accordingly, there is no change in Ggumbi Co., Ltd.'s largest shareholder's shareholding or ownership ratio after completion of the merger.

III. Exercise of Appraisal Rights As this merger was carried out as a small-scale merger procedure under Commercial Act Article 527-3, appraisal rights are not recognized. The Company received notices of objection to the merger under Article 527-3 from June 2, 2026 to June 16, 2026; a total of 570 shareholders gave notice of objection, representing 1,936,069 dissenting shares (13.23% of total shares issued).

IV. Creditor Protection The surviving company Ggumbi Co., Ltd. and the extinguished company Octo I&C Co., Ltd. each made a creditor objection announcement and individual notice to known creditors on June 17, 2026. No creditor raised an objection against Ggumbi Co., Ltd. during the creditor objection period (June 17, 2026, July 17, 2026); one creditor (Woori Bank Co., Ltd.) raised an objection against Octo I&C Co., Ltd., and the relevant debt was repaid in full.

V. Status of Related Litigation As of the date of preparation of this completion report, no litigation that could affect the validity of the merger, etc. has been filed.

VI. Matters Concerning New Share Allotment, etc. The surviving company Ggumbi Co., Ltd. owns 100% of the issued shares of the extinguished company Octo I&C Co., Ltd., and the merger ratio is 1:0, with no new shares issued (a no-new-shares merger). There was also no separate merger consideration (cash-out payment) made in connection with the merger.

VII. Summary Financial Information Before and After the Merger (as of: March 31, 2026) (unit: KRW) Current assets, Before: Ggumbi 28,041,810,807 / Octo I&C 2,253,617,842; After (estimated, Ggumbi, surviving company): 29,883,901,761 Non-current assets, Before: 46,291,876,196 / 4,707,835,898; After: 46,146,625,084 Total assets, Before: 74,333,687,003 / 6,961,453,740; After: 76,030,526,845 Current liabilities, Before: 23,797,111,911 / 3,350,364,682; After: 26,735,949,705 Non-current liabilities, Before: 1,241,282,396 / 1,129,190,065; After: 2,370,472,461 Total liabilities, Before: 25,038,394,307 / 4,479,554,747; After: 29,106,422,166 Capital stock, Before: 1,481,453,400 / 50,000,000; After: 1,481,453,400 Other paid-in capital, Before: 52,254,309,936 / -; After: 49,883,121,919 Other capital components, Before: (29,804,326) / -; After: (29,804,326) Accumulated other comprehensive income, Before: 1,581,019,852 / -; After: 1,581,019,852 Retained earnings, Before: (5,991,686,166) / 2,431,898,993; After: (5,991,686,166) Total equity, Before: 49,295,292,696 / 2,481,898,993; After: 46,924,104,679 Total liabilities and equity, Before: 74,333,687,003 / 6,961,453,740; After: 76,030,526,845

(Note 1) The above summary statement of financial position is prepared based on the separate statements of financial position of Ggumbi Co., Ltd. and Octo I&C Co., Ltd. as of March 31, 2026, the most recent financial statements available as of the date of filing of this merger completion report, and may differ from the statement of financial position to be prepared as of the actual merger date (August 1, 2026). (Note 2) The above post-merger financial statements have not been audited (reviewed) by an external auditor and may change based on the external auditor's audit (review).