Amendment: Insider Securities Ownership Report — Correction Deleting 6 Previously Filed Transactions — Samsung Electronics

Summary

This is an amendment to an insider securities ownership report originally filed on June 2, 2026, by Choi Insu, a non-registered Senior Managing Director (상무) in the DREAM TM Group at Samsung Electronics. The amendment deletes 6 previously reported transactions — specifically 3 open-market purchases, 1 open-market sale, and 2 stock bonus grants — reducing the reported transaction count from 15 to 9. After the correction, the executive's final shareholding stands at 1,178 common shares (up a net 27 shares from the prior report's opening balance of 1,151), acquired at prices ranging from ₩178,300 to ₩302,000 between February and June 2026. The corrected holdings represent a negligible 0.00% of Samsung Electronics' 6.74 billion total shares outstanding, and the amendment carries no material market impact.

Historical Impact

10 past Correction · ≈ Amendment (/A) events at Samsung Electronics

Median +5d

+3.98%

Range

-15.26% to +29.48%

Positive outcomes

5/10

Filed	P₀	P₊₅	+5d
Jul 30, 2026	₩207,000	₩232,000	+12.08%
Jul 29, 2026	₩208,500	₩246,500

Full Translation

AMENDMENT REPORT ON INSIDER/MAJOR SHAREHOLDER SPECIFIC SECURITIES OWNERSHIP Form Version: 6.1 Issuing Company: Samsung Electronics Co., Ltd. Obligation Trigger Date: February 19, 2026 AMENDMENT FILING Date: July 20, 2026 1. Target Filing for Amendment: Insider/Major Shareholder Specific Securities Ownership Report 2. Original Submission Date: June 2, 2026 3. Amendment Details: Item | Reason for Amendment | Before Correction | After Correction ------------------------------|---------------------------------------------------|----------------------------------------------------------------|------------------------------------------------------------- Section 3. Securities Owned | Deletion of 6 previously reported transactions | Open-market purchases: 9; Open-market sales: 4; Stock bonuses: 2 | Open-market purchases: 6; Open-market sales: 3; Stock bonuses: 0 --- INSIDER/MAJOR SHAREHOLDER SPECIFIC SECURITIES OWNERSHIP REPORT To: Financial Supervisory Commission To: Korea Exchange Obligation Trigger Date: February 19, 2026 Report Reference Date: June 1, 2026 ※ The reporter confirms that the ownership status of specific securities as of the report reference date has been accurately prepared in accordance with applicable laws and filing guidelines, and that there are no material misstatements or omissions. Reporter: CHOI INSU (최인수) --- 1. ISSUING COMPANY INFORMATION Company Name: Samsung Electronics Co., Ltd. (삼성전자주식회사) Corporate Classification: Listed on the Korea Exchange (KOSPI) Company Code: 005930 Total Shares Issued: 6,735,612,586 --- 2. REPORTER INFORMATION Report Type: Change Reporter Classification: Individual (Domestic) Name (Korean): 최인수 Name (Hanja/English): 崔仁壽 / CHOI INSU Date of Birth: February 27, 1973 (730227) Address (district level): Metapolis-ro, Dongtan-gu, Hwaseong-si, Gyeonggi-do Relationship to Issuer: Officer (Non-registered) Title: Senior Managing Director (상무) Appointment Date: December 6, 2022 Retirement Date: — Major Shareholder Status: — Business Contact / Representative: Affiliated Company: Samsung Electronics Co., Ltd. Department: DREAM TM Group Title: Senior Managing Director Phone: 031-20-****** Name: CHOI INSU Fax: 031-27-***************** Email: ******hoi@samsung.com --- 3. OWNERSHIP OF SPECIFIC SECURITIES A. Number and Percentage of Specific Securities Held Report Reference Date | Category | No. of Specific Securities (shares) | Ratio (%) | No. of Shares (shares) | Ratio (%) ----------------------|------------------|--------------------------------------|-----------|------------------------|---------- Prior Report | 2026.06.01 | 1,151 | 0.00 | 1,151 | 0.00 This Report | 2026.06.01 | 1,178 | 0.00 | 1,178 | 0.00 Change | | +27 | 0.00 | +27 | 0.00 B. Holdings by Type of Specific Securities Common Shares | Preemptive Rights Certificates | CBs | BWs | Profit-Participating Bonds | Exchangeable Bonds | DRs | Other | Total | Ratio 1,178 | — | — | — | — | — | — | — | 1,178 | 0.00% Calculation Basis: A (common shares) = 1,178 I (non-equity specific securities) = 0 J (total issued shares) = 6,735,612,586 Specific securities ownership ratio = 0.00% Common share ownership ratio = 0.00% ※ Exchangeable bonds where the underlying asset is shares, and DRs/derivatives whose underlying asset is shares, are excluded from the denominator when computing the ownership ratio. C. Detailed Transaction History Reason | Trade Date | Security Type | Shares Before | Change | Shares After | Price per Share (₩) | Note -------------------|-------------|---------------|---------------|--------|--------------|----------------------|----- Open-market buy(+) | 2026.02.19 | Common | 1,151 | +205 | 1,356 | 178,300 | — Open-market sell(-)| 2026.03.06 | Common | 1,356 | −383 | 973 | 177,800 | — Open-market buy(+) | 2026.03.12 | Common | 973 | +100 | 1,073 | 186,900 | — Open-market buy(+) | 2026.03.18 | Common | 1,073 | +93 | 1,166 | 188,600 | — Open-market buy(+) | 2026.04.27 | Common | 1,166 | +100 | 1,266 | 221,000 | — Open-market sell(-)| 2026.05.15 | Common | 1,266 | −200 | 1,066 | 264,500 | — Open-market buy(+) | 2026.06.01 | Common | 1,066 | +55 | 1,121 | 291,500 | — Open-market buy(+) | 2026.06.01 | Common | 1,121 | +350 | 1,471 | 301,000 | — Open-market sell(-)| 2026.06.01 | Common | 1,471 | −293 | 1,178 | 302,000 | — TOTAL | | | 1,151 | +27 | 1,178 | 239,318 (avg) | — * For exchange-traded transactions, the settlement date is used as the trade date. ** For non-equity securities, the exercise/conversion/exchange price is shown; the figure in parentheses (if any) would indicate the trading price of the security itself.