Exhibit 99.1 Weight Watchers Announces First Quarter 2026 Results Total End of Period Subscribers of 2.7 million; End of Period Clinical Subscribers of 197 thousand, up 46% year-over-year Revenue of $168 million; Clinical Subscription Revenue of $39 million, up 32% year-over-year Reaffirms Full Year 2026 Financial Guidance Announces Fully Subscribed Debt Prepayment Solicitation as Part of Actions Expected to Reduce Debt by $42 Million NEW YORK (May 7, 2026) – WW International, Inc. (Nasdaq: WW) ("Weight Wat ...