X0508 4 2026-02-24 0 0001437107 Warner Bros. Discovery, Inc. WBD 0001600595 Perrette Jean-Briac 230 PARK AVENUE SOUTH NEW YORK NY 10003 0 1 0 0 Pres.&CEO, Global Streaming 0 Series A Common Stock 2026-02-24 4 A 0 270728 0 A 1766518 D Series A Common Stock 2026-02-24 4 A 0 455064 0 A 2221582 D These shares represent PRSUs originally granted to the reporting person ("RP") on 3/1/2023. On 2/26/2024, based on WBD's 2023 free cash flow performance, the WBD Compensation Committee ("CC") determined that target performance had been achieved and the RP filed a Form 4 reporting 272,088 shares (100% of target) as earned. This 3/1/2023 grant was also subject to a 3-year TSR modifier. On 2/24/2026, based on WBD's TSR performance relative to the S&P 500 M&E Index over the 2023-2025 period, the CC certified that the 3/1/2023 grant should vest at 199.5% of target (for an aggregate of 542,816 shares). This Form 4 is reporting the incremental 270,728 shares as earned. These shares represent PRSUs granted to the RP on 3/1/2024 and were earned based solely on WBD's 2024 and 2025 free cash flow ("FCF") performance in relation to a pre-established target. On 2/24/2026, the CC certified that WBD's 2025 FCF performance was significantly above the established target, resulting in these PRSUs being earned at 200% of target. Tara L. Smith, by power of attorney 2026-02-26