X0508 4 2025-12-31 1 0000906553 BOYD GAMING CORP BYD 0001664714 Bogich Ted 6465 S. RAINBOW BLVD. LAS VEGAS NV 89118 0 1 0 0 Chief Operating Officer 0 Common Stock 45116 D This "Exit" Form 4 is voluntarily filed to report solely that the Reporting Person is no longer serving as an officer of the Company effective December 31, 2025. /s/ Uri Clinton, attorney-in-fact for Ted Bogich 2026-01-07