Exhibit 99.1 COGNIZANT REPORTS FIRST QUARTER 2024 RESULTS • Revenue of $4.8 billion declined 1.1% year-over-year, or declined 1.2% in constant currency1, which was above the high-end of our guidance range • Operating margin of 14.6%, flat year-over-year, and Adjusted Operating Margin1 of 15.1%, which expanded 50 basis points year-over-year • Trailing 12-month bookings of $25.9 billion; book-to-bill of 1.3x • $284 million returned to shareholders through share repurchases and dividends • 2024 revenue guidanc ...