Change of largest shareholder

What happened

ATLAS LINK / Change of Largest Shareholder / (2026.07.09) Change of Largest Shareholder

1. Change details Largest shareholder, etc. before the change: Shin Jeong-gwan and 1 other, 7,075,504 shares, 20.44% Largest shareholder, etc. after the change: Mirae Industry Co., Ltd. and 4 others, 13,558,808 shares, 39.16%

2. Reason for the change: completion of a share transfer transaction involving a change of the largest shareholder - Due to acquisition of forfeited shares: No - Transferred shares subject to a mandatory holding period: No

3. Purpose of the equity acquisition: transfer of management control - Financing method: own funds (KRW) 11,191,984,000; borrowed funds: - - Plans for appointment/dismissal of executives after the acquisition: appointed at the extraordinary general meeting of shareholders on June 12, 2026

4. Date of change: 2026-07-09 5. Date of confirmation of the change: 2026-07-09

6. Other matters for reference in investment decisions The company's former largest shareholder, Shin Jeong-gwan and 1 other, entered into and completed a share transfer agreement transferring 6,994,990 common shares to Mirae Industry Co., Ltd.: 1) Date of execution of the transfer agreement: June 8, 2026 2) Closing date: July 9, 2026 3) Parties: transferor Shin Jeong-gwan and 1 other, 6,994,990 shares (20.20%); transferee Mirae Industry Co., Ltd., 6,994,990 shares (20.20%) 4) Total transfer consideration: KRW 11,191,984,000

Related disclosures: 2026-06-08 Execution of a share transfer agreement involving a change of the largest shareholder

[Details of the change] Name, relationship, shares/ratio before, shares/ratio after, note: Shin Jeong-gwan, former largest shareholder: 4,375,974 / 12.64% -> 80,514 / 0.23% (unnamed), former largest shareholder -> related party of the post-change largest shareholder: -> Lee Si-young (CEO of ATLAS LINK Co., Ltd.), related party of the former largest shareholder: 2,699,530 / 7.80% ->,; note: internal director of ATLAS LINK Co., Ltd. Mirae Industry Co., Ltd., post-change largest shareholder: 5,756,352 / 16.63% -> 12,751,342 / 36.83% SL Energy Co., Ltd., related party of the post-change largest shareholder: 129,076 / 0.37% -> 129,076 / 0.37%; note: affiliate Roa & Co. Co., Ltd., related party of the post-change largest shareholder: 97,876 / 0.28% -> 97,876 / 0.28%; note: affiliate Lee Seong-il, related party of the post-change largest shareholder: 500,000 / 1.44% -> 500,000 / 1.44%; note: affiliate Korea Pile Co., Ltd., related party of the post-change largest shareholder: note: internal director of Korea Pile Co., Ltd.

[Matters concerning the post-change largest shareholder (general corporation)] 1. Basic information: corporation name Mirae Industry Co., Ltd.; nationality Republic of Korea; address Baekseok-gongdan 7-ro, Seobuk-gu, Cheonan-si, Chungnam; corporate registration number 124311-0030413; main business: electronic components, semiconductor equipment. Largest shareholder and shareholding: Nexton & Roll Korea Co., Ltd., 2,056,631 shares, 40.40%. CEO: Lee Chang-jae. Executive career: Lee Chang-jae, Nexton & Roll Korea Co., Ltd. (listed, KOSDAQ), Executive Vice President, joined 2023-03-30, left 2025-03-30; Lee Chang-jae, Mirae Industry Co., Ltd. (listed, KOSPI), CEO, joined 2023-07-13, still serving. History as largest shareholder of other listed companies: none stated.

2. Key financial matters (Unit: KRW million), fiscal year 2025 (December): total assets 148,563; capital stock 2,241; total liabilities 29,107; revenue 48,896; total equity 119,456; net income 10,032. External auditor: Jeongin Accounting Corporation. Not in business suspension. Audit opinion: unqualified. Not closed down.

3. Relationship with the listed company concerned: none stated.

4. Transactions in the past 3 years between the listed company and the largest shareholder (corporation), excluding routine transactions: none in the current year, previous year, or year before that.