[L&K Engineering] Announcement of cumulative disposal of the same securities exceeding NT$300 million

1. Name of securities: Common stock of PharmaEssentia Corporation 2. Trading date: 2025/05/28 ~ 2026/05/15 3. Date of board of directors approval: Not applicable 4. Other approval dates: Handled according to company authority limits. May 15, 2026 5. Transaction volume, unit price, and total transaction amount: Transaction volume: 467,000 shares Unit price: Average NT$688.76 per share Total transaction amount: NT$321,651,000 6. Profit (or loss) from disposal: Disposal profit NT$282,498,115 7. Relationship with the underlying company: None 8. Cumulative holding, amount, shareholding ratio, and restrictions: Remaining balance: 158,330 shares; Amount: NT$12,270,003; Shareholding ratio: 0.04%; Restrictions: None 9. Ratio of total securities investment to total assets and equity, and operating capital: Ratio to total assets: 31.82%; Ratio to equity: 78.91%; Operating capital: NT$5,711,366,634 10. Concrete purpose of disposal: To enrich operating capital and increase revenue. 11. Opinions of dissenting directors: None 12. Is this a related party transaction: No 13. Counterparty and relationship: None 14. Date of supervisor/audit committee approval: Not applicable 15. Date of previous announcement: Not applicable 16. Other matters: PharmaEssentia distributed 43,935 new shares as dividends in October 2025.