April 14, 2020 01:31 Updated Follow No. This is an estimated benefit amount. Your actual benefit amount is subject to final audit and calculation. Related articles My personal information in my annual member statement (AMS) is not accurate. How do I change this information? What is a Public Employees’ Retirement Fund (PERF) annual member statement (AMS)? What does the “reduced benefits” section of my annual member statement mean? How do I find my INPRS Pension Identification (PID) number?