X0206 3/A 2026-02-20 2026-02-19 0 0001015650 SK TELECOM CO LTD SKM 0002112256 Kim Taehee SK T-TOWER, 65, EULJI-RO, JUNGGU SEOUL M5 04539 KOREA, REPUBLIC OF 0 1 0 0 Investor Relations Officer Common Stock 4000 D /S/Kyoungseop Lee as Attorney-In-Fact for Taehee Kim 2026-02-20