Treasury share acquisition: results report

What happened

Treasury share acquisition results report To the Governor of the Financial Supervisory Service July 21, 2026 Company name: Hyundai Mobis Co., Ltd. Representative Director: Lee Gyu-seok Head office address: 203, Teheran-ro, Gangnam-gu, Seoul (Phone) 02-2018-5114 (Website) http://www.mobis.com Preparer: (Title) Head of Finance (Name) Kim Do-hyeong (Phone) 02-2018-5015

1. Name and address of the issuer a. Name: Hyundai Mobis Co., Ltd. b. Address: 203, Teheran-ro, Gangnam-gu, Seoul 2. Matters concerning the acquisition report a. Material event report filing date: April 24, 2026 b. Acquisition period: from April 27, 2026 to July 21, 2026 * The above acquisition period is based on trade execution dates. 3. Acquisition details (Unit: KRW, shares) 2026-04-27: Type common stock; Order quantity 30,000; Acquired quantity 21,000; Price per share KRW 432,067; Total acquisition amount KRW 9,073,406,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-04-28: Type common stock; Order quantity 40,000; Acquired quantity 2,491; Price per share KRW 439,285; Total acquisition amount KRW 1,094,258,750; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-04-29: Type common stock; Order quantity 40,000; Acquired quantity 29,509; Price per share KRW 440,400; Total acquisition amount KRW 12,995,765,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-04-30: Type common stock; Order quantity 40,000; Acquired quantity 26,000; Price per share KRW 428,331; Total acquisition amount KRW 11,136,607,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-04: Type common stock; Order quantity 40,000; Acquired quantity 21,000; Price per share KRW 431,405; Total acquisition amount KRW 9,059,507,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-06: Type common stock; Order quantity 40,000; Acquired quantity 34,000; Price per share KRW 433,795; Total acquisition amount KRW 14,749,016,250; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-07: Type common stock; Order quantity 40,000; Acquired quantity 21,000; Price per share KRW 441,343; Total acquisition amount KRW 9,268,211,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-08: Type common stock; Order quantity 40,000; Acquired quantity 3,200; Price per share KRW 452,264; Total acquisition amount KRW 1,447,244,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-11: Type common stock; Order quantity 40,000; Acquired quantity 1,186; Price per share KRW 523,745; Total acquisition amount KRW 621,161,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-12: Type common stock; Order quantity 40,000; Acquired quantity 30,000; Price per share KRW 549,156; Total acquisition amount KRW 16,474,683,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-13: Type common stock; Order quantity 40,000; Acquired quantity 782; Price per share KRW 563,598; Total acquisition amount KRW 440,734,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-14: Type common stock; Order quantity 40,000; Acquired quantity 21,000; Price per share KRW 658,337; Total acquisition amount KRW 13,825,082,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-15: Type common stock; Order quantity 40,000; Acquired quantity 30,000; Price per share KRW 638,724; Total acquisition amount KRW 19,161,723,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-18: Type common stock; Order quantity 40,000; Acquired quantity 40,000; Price per share KRW 574,453; Total acquisition amount KRW 22,978,112,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-19: Type common stock; Order quantity 40,000; Acquired quantity 40,000; Price per share KRW 523,965; Total acquisition amount KRW 20,958,585,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-20: Type common stock; Order quantity 40,000; Acquired quantity 21,000; Price per share KRW 531,606; Total acquisition amount KRW 11,163,721,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-21: Type common stock; Order quantity 40,000; Acquired quantity 0; Price per share KRW 0; Total acquisition amount KRW 0; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-22: Type common stock; Order quantity 40,000; Acquired quantity 20,000; Price per share KRW 641,510; Total acquisition amount KRW 12,830,208,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-26: Type common stock; Order quantity 40,000; Acquired quantity 15,000; Price per share KRW 658,007; Total acquisition amount KRW 9,870,109,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-27: Type common stock; Order quantity 40,000; Acquired quantity 11,481; Price per share KRW 673,334; Total acquisition amount KRW 7,730,543,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-28: Type common stock; Order quantity 40,000; Acquired quantity 15,000; Price per share KRW 684,983; Total acquisition amount KRW 10,274,741,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-05-29: Type common stock; Order quantity 40,000; Acquired quantity 0; Price per share KRW 0; Total acquisition amount KRW 0; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-01: Type common stock; Order quantity 40,000; Acquired quantity 15,000; Price per share KRW 771,751; Total acquisition amount KRW 11,576,262,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-02: Type common stock; Order quantity 40,000; Acquired quantity 40,000; Price per share KRW 728,216; Total acquisition amount KRW 29,128,648,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-04: Type common stock; Order quantity 40,000; Acquired quantity 15,000; Price per share KRW 740,716; Total acquisition amount KRW 11,110,741,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-05: Type common stock; Order quantity 40,000; Acquired quantity 15,000; Price per share KRW 692,390; Total acquisition amount KRW 10,385,850,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-08: Type common stock; Order quantity 40,000; Acquired quantity 15,000; Price per share KRW 623,203; Total acquisition amount KRW 9,348,043,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-09: Type common stock; Order quantity 40,000; Acquired quantity 30,000; Price per share KRW 581,509; Total acquisition amount KRW 17,445,256,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-10: Type common stock; Order quantity 40,000; Acquired quantity 15,000; Price per share KRW 572,850; Total acquisition amount KRW 8,592,744,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-11: Type common stock; Order quantity 40,000; Acquired quantity 15,000; Price per share KRW 560,407; Total acquisition amount KRW 8,406,106,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-12: Type common stock; Order quantity 40,000; Acquired quantity 11,266; Price per share KRW 607,000; Total acquisition amount KRW 6,838,462,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-15: Type common stock; Order quantity 30,000; Acquired quantity 100; Price per share KRW 625,000; Total acquisition amount KRW 62,500,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-16: Type common stock; Order quantity 30,000; Acquired quantity 5,000; Price per share KRW 651,126; Total acquisition amount KRW 3,255,628,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-17: Type common stock; Order quantity 30,000; Acquired quantity 5,000; Price per share KRW 635,355; Total acquisition amount KRW 3,176,773,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-18: Type common stock; Order quantity 30,000; Acquired quantity 10,000; Price per share KRW 607,013; Total acquisition amount KRW 6,070,130,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-19: Type common stock; Order quantity 30,000; Acquired quantity 14,000; Price per share KRW 607,151; Total acquisition amount KRW 8,500,110,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-22: Type common stock; Order quantity 30,000; Acquired quantity 20,000; Price per share KRW 578,586; Total acquisition amount KRW 11,571,714,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-23: Type common stock; Order quantity 30,000; Acquired quantity 30,000; Price per share KRW 528,229; Total acquisition amount KRW 15,846,858,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-24: Type common stock; Order quantity 30,000; Acquired quantity 13,000; Price per share KRW 510,075; Total acquisition amount KRW 6,630,973,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-25: Type common stock; Order quantity 30,000; Acquired quantity 13,000; Price per share KRW 516,497; Total acquisition amount KRW 6,714,463,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-26: Type common stock; Order quantity 30,000; Acquired quantity 30,000; Price per share KRW 479,075; Total acquisition amount KRW 14,372,262,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-29: Type common stock; Order quantity 30,000; Acquired quantity 13,000; Price per share KRW 486,008; Total acquisition amount KRW 6,318,098,250; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-06-30: Type common stock; Order quantity 30,000; Acquired quantity 12,000; Price per share KRW 502,506; Total acquisition amount KRW 6,030,069,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-01: Type common stock; Order quantity 30,000; Acquired quantity 12,000; Price per share KRW 494,108; Total acquisition amount KRW 5,929,298,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-02: Type common stock; Order quantity 30,000; Acquired quantity 20,000; Price per share KRW 486,420; Total acquisition amount KRW 9,728,399,750; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-03: Type common stock; Order quantity 30,000; Acquired quantity 19,000; Price per share KRW 483,947; Total acquisition amount KRW 9,194,986,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-06: Type common stock; Order quantity 30,000; Acquired quantity 20,000; Price per share KRW 505,918; Total acquisition amount KRW 10,118,362,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-07: Type common stock; Order quantity 30,000; Acquired quantity 30,000; Price per share KRW 482,806; Total acquisition amount KRW 14,484,174,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-08: Type common stock; Order quantity 20,000; Acquired quantity 13,793; Price per share KRW 494,578; Total acquisition amount KRW 6,821,708,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-09: Type common stock; Order quantity 20,000; Acquired quantity 20,000; Price per share KRW 467,487; Total acquisition amount KRW 9,349,732,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-10: Type common stock; Order quantity 5,000; Acquired quantity 2,106; Price per share KRW 487,560; Total acquisition amount KRW 1,026,802,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-13: Type common stock; Order quantity 5,000; Acquired quantity 5,000; Price per share KRW 494,742; Total acquisition amount KRW 2,473,709,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-14: Type common stock; Order quantity 5,000; Acquired quantity 5,000; Price per share KRW 469,831; Total acquisition amount KRW 2,349,155,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-15: Type common stock; Order quantity 5,000; Acquired quantity 3,088; Price per share KRW 483,251; Total acquisition amount KRW 1,492,280,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-16: Type common stock; Order quantity 5,000; Acquired quantity 5,000; Price per share KRW 483,209; Total acquisition amount KRW 2,416,044,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-20: Type common stock; Order quantity 5,000; Acquired quantity 5,000; Price per share KRW 476,171; Total acquisition amount KRW 2,380,852,500; Brokerage Hyundai Motor Securities; Business entity ID 00137997 2026-07-21: Type common stock; Order quantity 12,062; Acquired quantity 11,996; Price per share KRW 475,099; Total acquisition amount KRW 5,699,293,000; Brokerage Hyundai Motor Securities; Business entity ID 00137997 Total: Order quantity 1,822,062; Acquired quantity 911,998; Price per share KRW 548,247 (average); Total acquisition amount KRW 499,999,909,000

4. Whether the planned acquisition content matches the actual acquisition content Planned acquisition amount (KRW): common shares 500,000,000,000; other shares - Actual total acquisition amount (KRW): common shares 499,999,909,000; other shares - Whether the planned acquisition amount was not reached: - Reason if a shortfall occurred: -

5. Holding status of treasury shares after acquisition [as of July 21, 2026] (Unit: KRW millions, shares, %) Type of share: common shares Holdings under Article 165-3 of the Act (A): quantity 2,463,998; ratio 2.72%; total value 854,420 Holdings under trust agreement under Article 165-3 (B): quantity -; ratio -; contract amount - Total (A+B): quantity 2,463,998; ratio 2.72%; amount 854,420 Type of share: other shares, all items - Total: quantity 2,463,998; ratio 2.72%; amount 854,420

6. Changes in the largest shareholder's shareholding before and after the acquisition [as of July 21, 2026] (Unit: shares) Name: Kia Corporation; Type of share: common shares; Shares held at acquisition report date: 16,427,074; Shares held at end of acquisition: 16,427,074; Reason for change: - Total: common shares 16,427,074 to 16,427,074, no change; other shares - to -, no change; grand total 16,427,074 to 16,427,074, no change