Mirae Asset Holdings Cut to 11.02% on Routine Trading & ETF Activity — DB HiTek

Summary

Mirae Asset Global Investments filed an amended major shareholder report showing its stake in DB HiTek decreased from 11.10% to 11.02% (-31,369 shares), keeping it above the 10% major shareholder threshold. The net change reflects routine portfolio activity between May 21-27, 2026, including market sales, ETF creation/redemption flows, and stock lending/return transactions rather than a strategic reduction. Reported transaction prices ranged from KRW 155,205 to KRW 220,500 per share across the period. The small reduction is operational in nature and Mirae Asset remains a significant institutional shareholder.

Historical Impact

10 past Insider Ownership Change · ≈ Form 4 events at DB HiTek

Median +5d

-2.28%

Range

-21.52% to +19.31%

Positive outcomes

4/10

Filed	P₀	P₊₅	+5d
Jun 25, 2026	₩158,000	₩124,000	-21.52%
Jun 18, 2026	₩154,500	₩162,700	+5.31%

Full Translation

Report on Ownership Status of Specific Securities by Executives and Major Shareholders To: Securities and Futures Commission To: Korea Exchange Date of reporting obligation: May 21, 2026 Report preparation reference date: May 27, 2026 The reporter hereby confirms that the ownership status of specific securities as of the report preparation reference date has been accurately prepared in accordance with applicable laws and reporting guidelines, with no false statements or omissions of material matters. Reporter: Mirae Asset Global Investments Co., Ltd. 1. Information on the Issuing Company - Company Name: DB HiTek Co., Ltd. - Corporation Type: KOSPI-listed corporation - Company Code: 000990 - Total Issued Shares: 43,504,588 2. Information on the Reporter - Report Type: Change - Reporter Category: Financial Institution - Name (Korean): Mirae Asset Global Investments Co., Ltd. - Name (English): Mirae Asset Global Investments - Business Registration Number: 211-86-23290 - Address: 33 Jongno, Jongno-gu, Seoul - Relationship with Issuer: Major Shareholder (10% or more shareholder) - Contact: Stewardship Team, Senior Manager Seo Yeon-woo 3. Ownership Status of Specific Securities A. Number and Ratio of Specific Securities Owned - Previous Report (May 20, 2026): 4,827,371 shares (11.10%) - This Report (May 27, 2026): 4,796,002 shares (11.02%) - Change: -31,369 shares (-0.08%) B. Ownership Breakdown by Security Type - Common Stock: 4,796,002 shares (11.02%) - Total: 4,796,002 shares (11.02%) - Total Issued Shares: 43,504,588 - Ownership Ratio of Specific Securities: 11.02% - Ownership Ratio of Common Stock: 11.02% C. Detailed Change History May 21, 2026: - On-market sale: -29,187 shares @ KRW 162,045 (4,827,371 → 4,798,184) - Other (+): +10,717 shares — Return of lent shares (→ 4,808,901) - Other (+): +23,338 shares @ KRW 157,300 — ETF creation (→ 4,832,239) - Other (-): -39,360 shares @ KRW 157,300 — ETF redemption (→ 4,792,879) May 22, 2026: - On-market sale: -19,510 shares @ KRW 157,137 (→ 4,773,369) - On-market purchase: +1,500 shares @ KRW 155,205 (→ 4,774,869) - Lending (-): -25,017 shares @ KRW 181,000 (→ 4,749,852) - Other (+): +9,342 shares — Return of lent shares (→ 4,759,194) - Other (+): +15,765 shares @ KRW 162,000 — ETF creation (→ 4,774,959) - Other (-): -16,698 shares @ KRW 162,000 — ETF redemption (→ 4,758,261) May 26, 2026: - On-market purchase: +40,515 shares @ KRW 177,349 (→ 4,798,776) - Lending (-): -16,008 shares @ KRW 181,100 (→ 4,782,768) - Other (+): +16,008 shares — Return of lent shares (→ 4,798,776) - Other (+): +52,256 shares @ KRW 181,000 — ETF creation (→ 4,851,032) - Other (-): -16,692 shares @ KRW 181,000 — ETF redemption (→ 4,834,340) May 27, 2026: - Lending (-): -21,915 shares @ KRW 220,500 (→ 4,812,425) - Other (+): +6,171 shares @ KRW 181,100 — ETF creation (→ 4,818,596) - Other (-): -22,594 shares @ KRW 181,100 — ETF redemption (→ 4,796,002) Total Change: -31,369 shares (4,827,371 → 4,796,002) * For securities market transactions, the contract settlement date applies. ** For non-equity securities, this refers to the exercise (conversion/exchange) price or the trading unit price of shares acquired/disposed through the exercise of rights.