Exhibit 99.1 Align Technology Announces First Quarter 2024 Results Align Technology Zeno Group Madelyn Valente Sarah Johnson (909) 833-5839 (828) 551-4201 mvalente@aligntech.com sarah.johnson@zenogroup.com ALIGN TECHNOLOGY ANNOUNCES FIRST QUARTER 2024 FINANCIAL RESULTS Q1'24 total revenues up 5.8% year-over-year including revenue growth of 3.5% from Clear Aligners and growth of 17.5% from Imaging Systems and CAD/CAM Services • Q1'24 total revenues of $997.4 million, increased 5.8% year-over-year, and dilute ...