Exhibit 99.1 Twilio Announces First Quarter 2024 Results • First Quarter Revenue of $1.05 billion, up 4$44 million, an 84% improvement year-over-year • First Quarter Non-GAAP Income from Operations of $160 million; raised full year guidance to$585 to $635 million SAN FRANCISCO--(BUSINESS WIRE)--May 7, 2024--Twilio (NYSE: TWLO), the customer engagement platform that drives real-time, personalized experiences for today’s le ...