Samsung C&T Reports Minor Change in Major Shareholding (19.70%)

Major Shareholding Report on Stocks, etc. (General) (General Form: For reports under Article 147 of the Financial Investment Services and Capital Markets Act where the purpose is 'to influence management control') To: Financial Services Commission Date of reporting obligation: May 15, 2026 To: Korea Exchange Report preparation reference date: May 18, 2026 Reporter: Samsung C&T Corporation [Summary Information] - Issuing company: Samsung Electronics Co., Ltd. - Relationship with issuer: Affiliate company, etc. - Report classification: Change / Modification Number and ratio of shares held: - Previous report: 1,151,561,084 shares (19.70%) - This report: 1,151,513,080 shares (19.70%) Number and ratio of shares subject to major contracts: - Previous report: 63,584,000 shares (1.09%) - This report: 49,359,000 shares (0.84%) Number and ratio of voting rights: Not applicable in both previous and current reports. Number and ratio of voting rights subject to major contracts: Not applicable in both previous and current reports. Reason for reporting: - Change in number of shares held - Modification of contracts related to shares held * The reporter confirms that the shareholding status of the reporter and specially related parties as of the report preparation reference date has been accurately prepared in accordance with relevant laws and instructions, and that there are no false statements or omissions of material matters. Part 1: Overview of the Report 1. Matters concerning the issuing company - Company name: Samsung Electronics Co., Ltd. - Company code: 005930 - Corporate classification: KOSPI-listed corporation - Total number of issued shares with voting rights: 5,846,278,608 2. Matters concerning the major holder A. Reporter (1) Reporter overview - Report classification: Change / Modification, Joint - Reporter classification: Domestic corporation - Nationality: Republic of Korea - Name: Samsung C&T Corporation (三星物産(株) / Samsung C&T Corporation) - Address (head office): 26, Sangil-ro 6-gil, Gangdong-gu, Seoul - Business registration number: 202-81-45975 - Business: Wholesale/retail, construction, manufacture of men's suits, etc. - Relationship with issuer: Affiliate company, etc. - Contact: Samsung C&T Corporation, IR Finance Team, Pro Shin Dong-ah; phone 02-214-****; fax 02-202-****; email ******shin@samsung.com (2) Specifics of the reporter (in millions of KRW) - Legal nature: Stock corporation - Total assets: 86,532,746 - Total liabilities: 29,035,797 - Total equity: 57,496,949 - Capital stock: 18,517 - Representatives: Oh Se-chul, Lee Jae-eon, Song Kyu-jong - Decision-making bodies: General shareholders' meeting, Board of Directors, Management Committee - Largest shareholder: Lee Jae-yong - Largest shareholder's stake: 22.01% * Asset, liability, equity, and capital figures are based on the consolidated financial statements as of the end of 2025. B. Specially Related Parties (1) Overview of specially related parties: 1. Samsung Life Insurance — Financial institution / Affiliate — Largest shareholder of issuer — Reg. no. 104-81-26688 — Korea — Seocho-daero, Seocho-gu, Seoul — Insurance, finance, real estate 2. Samsung Fire & Marine Insurance — Financial institution / Affiliate — Affiliate of issuer — 202-81-45617 — Korea — Seocho-daero, Seocho-gu, Seoul — Non-life insurance 3. Samsung Welfare Foundation — Domestic corporation / Other — Other — 104-82-05958 — Korea — Itaewon-ro, Yongsan-gu, Seoul — Social welfare business 4. Samsung Foundation of Culture — Domestic corporation / Other — Other — 110-82-05953 — Korea — Itaewon-ro, Yongsan-gu, Seoul — Arts and culture business 5. Samsung Life Public Welfare Foundation — Domestic corporation / Other — Other — 104-82-05093 — Korea — Itaewon-ro, Yongsan-gu, Seoul — Social welfare business 6. Hong Ra-hee — Individual (domestic) / Other — Other — born 1945-07-15 — Korea — Itaewon-ro, Yongsan-gu, Seoul 7. Lee Jae-yong — Individual (domestic) / Largest shareholder — De facto controlling shareholder — born 1968-06-23 — Korea — Itaewon-ro, Yongsan-gu, Seoul — Chairman, Samsung Electronics 8. Lee Boo-jin — Individual (domestic) / Affiliate executive — Affiliate executive — born 1970-10-06 — Korea — Itaewon-ro, Yongsan-gu, Seoul — CEO, Hotel Shilla 9. Lee Seo-hyun — Individual (domestic) / Executive — Affiliate executive — born 1973-09-20 — Korea — Itaewon-ro, Yongsan-gu, Seoul — President, Samsung C&T 10. Jun Young-hyun — Individual (domestic) / Affiliate executive — Registered executive — born 1960-12-20 — Korea — Samsung-ro, Gangnam-gu, Seoul — CEO, Samsung Electronics 11. Roh Tae-moon — Individual (domestic) / Affiliate executive — Registered executive — born 1968-09-03 — Korea — Samsung-ro, Gangnam-gu, Seoul — Director, Samsung Electronics 12. Kim Yong-kwan — Individual (domestic) / Affiliate executive — Registered executive — born 1963-12-18 — Korea — Eonju-ro, Gangnam-gu, Seoul — Director, Samsung Electronics 13. Cho Hye-kyung — Individual (domestic) / Affiliate executive — Registered executive — born 1964-07-16 — Korea — Jamwon-dong, Seocho-gu, Seoul — Outside director, Samsung Electronics 14. Lee Hyuk-jae — Individual (domestic) / Affiliate executive — Registered executive — born 1965-02-08 — Korea — Nambusunhwan-ro, Seocho-gu, Seoul — Outside director, Samsung Electronics (2) Specifics on specially related parties (in millions of KRW) - Samsung Life Insurance Co., Ltd. - Legal nature: Stock corporation - Total assets: 350,685,701 - Total liabilities: 285,850,383 - Total equity: 64,835,318 - Capital stock: 100,000 - Representative: Hong Won-hak - Decision-making bodies: General shareholders' meeting, Board of Directors, Management Committee, ESG Committee - Largest shareholder: Samsung C&T Corporation - Largest shareholder's stake: 19.34% [Where the largest shareholder of a specially related party is itself a corporation or organization] - Same figures as Samsung C&T (assets 86,532,746; liabilities 29,035,797; equity 57,496,949; capital 18,517; largest shareholder Lee Jae-yong at 22.01%). - Samsung Fire & Marine Insurance Co., Ltd. - Legal nature: Stock corporation - Total assets: 96,450,390 - Total liabilities: 75,158,010 - Total equity: 21,292,380 - Capital stock: 26,473 - Representative: Lee Moon-hwa - Decision-making bodies: General shareholders' meeting, Board of Directors, Management Committee, Risk Management Committee, ESG Committee - Largest shareholder: Samsung Life Insurance Co., Ltd. - Largest shareholder's stake: 15.90% [Where the largest shareholder of a specially related party is itself a corporation or organization] - Samsung Life Insurance figures: assets 350,685,701; liabilities 285,850,383; equity 64,835,318; capital 100,000; largest shareholder Samsung C&T Corporation at... 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