Material event report (treasury share disposal) (subsidiary)

What happened

Material event report / Matters requiring exchange notification, Report on material matters concerning subsidiary LS Electric Co., Ltd.

To: Financial Services Commission / Korea Exchange Date: July 15, 2026 Company name: LS Electric Co., Ltd. Representative Directors: Koo Ja-kyun, Chae Dae-seok Head office address: 127 LS-ro, Dongan-gu, Anyang-si, Gyeonggi-do (Phone) 02-1544-2080 (Website) http://www.ls-electric.com Person responsible for preparation: (Title) Executive Director (Name) Kim Sun-woo (Phone) 02-2034-4232

Treasury share disposal decision

1. Shares to be disposed of (shares): common shares 32,520; other shares - 2. Price of the shares to be disposed of (KRW): common shares 187,700; other shares - 3. Expected disposal amount (KRW): common shares 6,104,004,000; other shares - 4. Expected disposal period: start date 2026.07.16; end date 2026.08.14 5. Purpose of disposal: employee stock compensation 6. Method of disposal: pro-rata disposal to all shareholders (shares) -; after-hours block trade (shares) -; off-market disposal (shares) -; other (shares) 32,520 7. Disposal counterparty: 3,252 employees 8. Entrusted investment brokers: NH Investment & Securities Co., Ltd.; LS Securities Co., Ltd. 9. Treasury share holdings before disposal: acquired within scope of distributable profit (shares) common shares 1,214,650, ratio 0.81%, other shares -, ratio -; other acquisitions (shares) common shares -, ratio -, other shares -, ratio - 10. Holding/disposal plan: shareholders' meeting approval date 2026.03.26 11. Disposal decision date: 2026.07.15, outside directors present: 3; absent: -; auditor (audit committee member who is not an outside director) attendance: - 12. Daily sell-order quantity limit: common shares -; other shares - 13. Other matters for investment reference - The Company obtained approval for a treasury-share holding/disposal plan for employee compensation purposes at its 52nd Annual General Meeting of Shareholders on March 26, 2026. - The number of shares planned for disposal is as of the day before the board resolution date (July 14, 2026), and may change depending on the number of recipients on the actual disposal date. - The price of the shares to be disposed of is the closing price on the day before the board resolution date (July 14, 2026). - The expected disposal amount is calculated by multiplying the closing price on the day before the board resolution date (July 14, 2026) by the number of shares planned for disposal, and may change depending on the share price and number of shares disposed of at the actual time of disposal. - The disposal counterparty consists of employees who were employed or on leave as of the day before the board resolution date (July 14, 2026), and may change depending on the number of recipients on the actual disposal date. - The method of disposal is to transfer shares from the Company's treasury share account to the recipients' share accounts. - Other detailed matters concerning the treasury share disposal have been delegated to the CEO.

[Treasury share holdings before the treasury share disposal decision] (Unit: shares) Acquisition method, within scope of distributable profit, direct acquisition, on-market: common shares, beginning balance 261,509; acquired (+) 984,332; disposed (-) 31,191; retired (-) -; ending balance 1,214,650; note -. Other shares, beginning balance -; acquired -; disposed -; retired -; ending balance -; note -. Within scope of distributable profit, direct acquisition, off-market: common shares, beginning balance -; acquired -; disposed -; retired -; ending balance -; note -. Other shares, all -. Tender offer: common shares, all -. Other shares, all -. Subtotal (a): common shares, beginning balance 261,509; acquired 984,332; disposed 31,191; retired -; ending balance 1,214,650; note -. Other shares, all -. Acquisition under trust contract, trustee-held volume: common shares, all -. Other shares, all -. Acquisition under trust contract, cash-equivalent holding volume: common shares, all -. Other shares, all -. Subtotal (b): common shares, all -. Other shares, all -. Other acquisitions (c): common shares, all -. Other shares, all -. Total (a+b+c): common shares, beginning balance 261,509; acquired 984,332; disposed 31,191; retired -; ending balance 1,214,650; note -. Other shares, all -.

Note 1) Acquired (+) 984,332 shares: the Company resolved an amendment to its Articles of Incorporation for a 5-for-1 stock split (par-value split) at the 52nd Annual General Meeting of Shareholders on March 26, 2026, and the number of shares held increased when the stock split took effect on April 10, 2026. Note 2) Disposed (-) 31,191 shares: in April 2026 the Company paid treasury shares to 31 employees and executives as long-term performance incentives; for details see the "Report on Treasury Share Disposal Results" disclosed on April 30, 2026.

[Additional disclosure matters] 1. Relationship of each disposal counterparty with the Company or the largest shareholder: Company employees 2. Reason for selecting the disposal counterparty: motivation to achieve targets; building a win-win organizational culture between employees and management 3. Number of shares disposed of to each counterparty (shares): common shares 32,520 shares; the number of shares planned for disposal is as of the day before the board resolution date (July 14, 2026) and may change depending on the recipients as of the actual disposal date. 4. Basis for price calculation: based on the Korea Exchange closing price on the day before the board resolution date. 5. Expected dilution effect on share value: the number of shares subject to this treasury share disposal is 0.02% of the total number of issued shares (150,000,000 shares), and since the shares will be deposited into the recipients' accounts, the dilutive effect on share value is expected to be minimal. 6. Other matters for investment reference: the above number of shares to be disposed of may change in part depending on changes in recipients during the disposal period, such as employee departures, between the time of the board resolution on the treasury share disposal and the actual disposal period.