Fiserv Reports Fourth Quarter And Full Year 2020 Results Date GAAP EPS increased 22% in the quarter and decreased 18% for the full year; Internal revenue grew 1% in the quarter and was flat for the full year; Adjusted EPS increased 16% in the quarter and 12% for the full year; Operating cash flow increased 1% to $1.19 billion in the quarter and 48% to $4.15 billion for the full year; Free cash flow increased 7% to $1.05 billion in the quarter and 11% to $3.65 billion for the full year; Company expects 2021 internal revenue growth of 8% to 12% and adjusted EPS of $5.30 to $5.50, or growth of 20% to 24% Fiserv, Inc. (NASDAQ: FISV), a leading global provider of payments and financial services technology solutions, today reported financial results for the fourth quarter and full year 2020.