Capital Research & Management Crosses 5% Threshold with Passive Stake — Eugene Technology

Summary

Capital Research and Management Company (CRMC), a US-based investment advisor and subsidiary of The Capital Group Companies, has filed a new 5%+ ownership disclosure for Eugene Technology, reporting a 5.23% stake (1,198,301 shares) as of April 30, 2026. This is up from 4.53% (1,038,347 shares) one day earlier, an increase of 159,954 shares (+0.70%) acquired via open-market purchases. The filing is submitted under the simplified format, indicating the holding is for passive investment purposes only with no intent to influence management. The shares are held across client investment accounts managed by CRMC in its capacity as an investment advisor; no single underlying client holds 5% or more individually. The crossing of the 5% disclosure threshold by a major global asset manager may be viewed as a modest positive sentiment signal for the stock.

Historical Impact

10 past Large Holding Report (5%+) · ≈ Schedule 13D/G events at Eugene Technology

Median +5d

+7.74%

Range

-4.73% to +22.93%

Positive outcomes

8/10

Filed	P₀	P₊₅	+5d
Jun 9, 2026	₩147,400	₩181,200	+22.93%
Apr 28, 2026	₩142,000	₩146,900

Full Translation

Report on Mass Holdings of Stocks, Etc. (Simplified Form) Version 6.0 Eugene Technology Co., Ltd. Filing date: April 30, 2026 Report on Mass Holdings of Stocks, Etc. (Simplified form: Applicable to reports under Article 147 of the Financial Investment Services and Capital Markets Act where the purpose is NOT to influence management control, and where the reporter is a professional investor under the latter part of Paragraph 1 of the same Article) To: Financial Services Commission Reporting obligation trigger date: April 30, 2026 To: Korea Exchange Report preparation reference date: April 30, 2026 Reporter: Capital Research and Management Company Representing attorney: Han Byung-ha [Summary Information] Professional Investor Category (for special reporting exemption): - Issuer: Eugene Technology Co., Ltd. Relationship with issuer: Other Report type: New filing Number of shares held and ownership ratio: - Previous report: - / - - Current report: 1,198,301 shares / 5.23% Voting rights and ratio: - Previous: - / - - Current: - / - Reason for filing: Purchase of issuer's shares on the open market for simple investment purposes Purpose of holding: Simple investment The reporter confirms that the holdings of the reporter and any specially related parties as of the report reference date have been accurately prepared in accordance with applicable laws and disclosure guidelines, with no false statements or omissions of material facts. Confirmation (Simple Investment Purpose): simple_investment_confirmation.jpg; English translation: simple_investment_confirmation_translation.jpg Part 1: Overview of the Report 1. Information on the Issuer - Company name: Eugene Technology Co., Ltd. - Company code: 084370 - Corporate classification: KOSDAQ-listed corporation - Total issued shares with voting rights: 22,916,042 shares 2. Information on the Mass Holder A. Reporter (1) Reporter Overview - Report type: New / Individual - Reporter classification: Foreign corporation - Nationality: United States - Name: Capital Research and Management Company (캐피탈 리서치 앤 매니지먼트 컴퍼니) - Address: 333 South Hope Street, 55th Floor, Los Angeles, California 90071-1406 - Business registration / ID: CRD 110885 - Occupation/Business: Investment advisory - Relationship with issuer: Other - Contact: Kim & Chang Law Office, Attorney Han Byung-ha, Tel: 02-648****, Fax: 02-737****, Email: ******a.han@kimchang.com (2) Reporter Details (for corporations / other entities) - Legal status: Corporation - Total assets / AUM: - - Total liabilities: - - Total equity: - - Capital stock: - - Representative: Donald H. Rolfe (Secretary) - Decision-making body: Board of Directors, Officers - Largest shareholder: The Capital Group Companies, Inc. - Largest shareholder ownership: 100% B. Specially Related Parties: None C. Collective Investment Manager: Not applicable 3. Number of Shares Held and Ownership Ratio - Previous report (April 29, 2026): Capital Research and Management Company - 1,038,347 shares / 4.53% (total issued: 22,916,042) - Current report (April 30, 2026): Capital Research and Management Company - 1,198,301 shares / 5.23% (total issued: 22,916,042) - Change: +159,954 shares / +0.70% Note 1: The above number of shares and ratio represent shares of the issuer held in client investment accounts managed by the reporter in its capacity as an investment advisor (holdings equivalent to ownership). Note 2: As of the report date, no single fund or client managed by the reporter holds 5% or more of the issuer on a standalone basis. 4. Reason for Change - Method of change: Purchase of issuer's shares on the open market - Reason for change: Simple investment purpose. This report is filed by the reporter in its capacity as Investment Manager with authority to acquire and dispose of the issuer's shares, in its position as holder of such shares. - Reason for amendment: - Part 2: Mass Holding Details 1. Holdings by Type for Reporter and Specially Related Parties Reporter: Capital Research and Management Company (CRD 110885) - Common stock: 1,198,301 shares - Warrants / CBs / BWs / EBs / DRs / Other: None - Total: 1,198,301 shares / 5.23% Total voting shares issued (I): 22,916,042 Potential shares held: - Ownership ratio of stocks etc.: 5.23% Ownership ratio of common stock: 5.23% 2. Holdings by Proprietary vs. Client Accounts (for financial institutions): Not applicable Part 3: Mass Changes Since Previous Filing Date 1. Summary of Changes Reporter: Capital Research and Management Company (CRD 110885) - Common stock: 1,198,301 shares / 5.23% 2. Detailed Change History - Reporter: Capital Research and Management Company (CRD 110885) - Change date: April 29, 2026 - Method: New filing (+) - Type: Voting common stock - Before: - / Change: +1,038,347 / After: 1,038,347 - Acquisition price: 125,013 KRW - Note: Below 5% [Translation truncated]