EXHIBIT 99.1 Pega Unlocks AI Potential in Q3 2025 WALTHAM, Mass. — October 21, 2025 — Pegasystems Inc. (NASDAQ: PEGA), the Enterprise Transformation Company™, released its financial results for the third quarter of 2025. "Our differentiated AI strategy continues to resonate deeply with clients, prospects, and partners, unlocking new levels of speed, predictability, and scale in enterprise applications," said Alan Trefler, founder and CEO. "The results speak for themselves as clients and partners embrace Peg ...