SUNRISE SPIN: ON TRACK FOR Q4 LISTING IN SWITZERLAND TRANSACTION RATIONALE Shrink LBTV Valuation Gap: Establishes fully­ distributed, local valuation for Sunrise Compelling Equity Story: Best-in-class FMC Champion in stable 3-player market; multiple growth levers and significant FCF underpinning attractive dividend TRANSACTION UPDATE Timing: Anticipated for early Q4'24 Mechanics: Multi-share structure, listing on the SIX Exchange Key Filings: Expect to file F-4 with the SEC in May on a non-public basis Deleveraging: All3 proceeds ($400M) plus Sunrise FCF ($400-$440M) reduces corporate cash needed from Liberty to fund $1.7B deleveraging pre-spin. Hedging: FX hedges from $/£ to CHF underway Dividend Policy: Anticipate attractive dividend policy at Sunrise with dividend floor of CHF240m per annum Valuation: Analysts have established preliminary value for Sunrise of ~$11 per Liberty share<5) Capital Markets Day: To be announced EXHIBIT 99.1