CEO Increases Stake via Open Market Purchase — Holdings Report — DKEMS

Summary

Park Young Jun, CEO and de facto controlling shareholder of the company, purchased 3,123 common shares on the open market on May 19, 2026, at a price of 7,433 KRW per share. His total holdings rose from 3,265,347 shares (22.54%) to 3,268,470 shares (22.56%), an increase of 0.02 percentage points. No convertible bonds, warrants, or other equity-linked instruments were involved; the holding consists entirely of ordinary shares. While CEO open-market buying is generally interpreted as a positive signal of management's confidence in the company's outlook, the transaction size is small relative to the total shares outstanding of approximately 14.49 million.

Historical Impact

10 past Insider Ownership Change · ≈ Form 4 events at DKEMS

Median +5d

-1.78%

Range

-5.28% to +5.32%

Positive outcomes

4/10

Filed	P₀	P₊₅	+5d
Jun 15, 2026	₩6,170	₩5,980	-3.08%
Jun 11, 2026	₩6,120	₩6,090	-0.49%

Full Translation

Report on Ownership Status of Specific Securities by Executives and Major Shareholders To: Korea Securities and Futures Commission To: Korea Exchange Obligation Trigger Date: May 19, 2026 Report Preparation Base Date: May 19, 2026 The reporter confirms that the ownership status of specific securities as of the report preparation base date has been accurately prepared in accordance with relevant laws and disclosure guidelines, and that there are no false statements or material omissions. Reporter: Park Young Jun 1. Information on the Issuing Company - Company Name: The Nature Holdings Co., Ltd. - Corporate Classification: KOSDAQ-listed corporation - Company Code: 298540 - Total Issued Shares: 14,486,386 2. Information on the Reporter - Report Type: Change - Reporter Classification: Individual (domestic) - Name (Korean): 박영준 - Name (Chinese/English): 朴渶俊 (Park Young Jun) - Date of Birth / Business Registration Number: 711026 - Address (up to town/neighborhood): Seobinggo-ro, Yongsan-gu, Seoul - Relationship with Issuing Company: Executive (registered) - Title: CEO (Representative Director) - Appointment Date: March 28, 2022 - Resignation Date: — - Major Shareholder: De facto controlling shareholder Contact Person: - Affiliated Company: The Nature Holdings Co., Ltd. - Department: Management Support Division - Title: Deputy General Manager - Phone: 070-76******* - Name: Yang Jeong-eun - Fax: 02-627****** - Email: ******@nglife.co.kr 3. Ownership Status of Specific Securities a. Number and Ownership Ratio of Specific Securities Held | | Base Date | Specific Securities (shares) | Ratio (%) | Common Shares (shares) | Ratio (%) | |---|---|---|---|---|---| | Previous Report | Jan 7, 2026 | 3,265,347 | 22.54 | 3,265,347 | 22.54 | | This Report | May 19, 2026 | 3,268,470 | 22.56 | 3,268,470 | 22.56 | | Change | | +3,123 | +0.02 | +3,123 | +0.02 | b. Breakdown by Type of Specific Securities | Common Shares | Warrants | Convertible Bonds | BW | Participating Bonds | Exchangeable Bonds | DRs | Other | Total | Ratio (%) | |---|---|---|---|---|---|---|---|---|---| | 3,268,470 | — | — | — | — | — | — | — | 3,268,470 | 22.56 | - Total Issued Shares (J): 14,486,386 - Non-share specific securities (I): — - Ownership ratio of specific securities: 22.56% - Ownership ratio of common shares: 22.56% (※ Exchangeable bonds whose underlying asset is stock, and DRs or derivative-linked securities whose underlying asset is stock, are excluded from the denominator when calculating the ownership ratio.) c. Detailed Transaction History | Reason | Transaction Date* | Type | Shares Before | Change | Shares After | Price per Share (KRW)** | Note | Planned Trade Report Date | |---|---|---|---|---|---|---|---|---| | Open Market Purchase (+) | May 19, 2026 | Common Share | 3,265,347 | +3,123 | 3,268,470 | 7,433 | — | — | | Total | | | 3,265,347 | +3,123 | 3,268,470 | 7,433 | | | * The transaction date refers to the settlement date (delivery date) of the shares. For exchange-traded securities, this is the contract settlement date. ** For non-share securities, this refers to the exercise (conversion/exchange) price, or the per-share price of shares acquired/disposed of through exercise of rights. The amount in parentheses, if any, refers to the trading price of that security.