Exhibit 99.1 Amdocs Limited Reports First Quarter Fiscal 2024 Results Record Quarterly Revenue of $1.25 Billion, up Roughly 5% YoY as Reported and in Constant Currency(1) Record 12-Month Backlog of $4.21 Billion, up Roughly 3% YoY and $60 Million QoQ Reiterates Fiscal 2024 Revenue Growth of Roughly 1%-5% YoY(2) as Reported and in Constant Currency(1) Reiterates Double-digit Diluted Earnings Per Share Growth in Fiscal 2024, Supported by Accelerated Profitability First Quarter Fiscal 2024 Highlights (All comp ...