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News Release For more information contact : Media Relations : Britt Zarling Corporate Communications Fiserv , Inc. 414-378-4040 britt.zarling@fiserv.com For Immediate Release Investor Relations : Shub Mukherjee Investor Relations Fiserv , Inc. 212-266-3565 shub.mukherjee@fiserv.com fiserv . Fiserv Reports Second Quarter 2021 Results GAAP revenue increased 17 % in the quarter and 8 % year to date ; GAAP EPS increased $ 0.40 in the quarter and $ 0.28 or 49 % year to date ; Internal revenue growth was 18 % in the quarter and 11 % year to date ; Adjusted EPS increased 47 % in the quarter and 32 % year to date ; Company increases 2021 adjusted EPS growth outlook to 24 % to 27 % and increases internal revenue growth outlook to 10 % to 12 % BROOKFIELD , Wis . , July 27 , 2021 – Fiserv , Inc. ( NASDAQ : FISV ) , a leading global provider of payments and financial services technology solutions , today reported financial results for the second quarter of 2021 . 1 Second Quarter 2021 GAAP Results GAAP revenue for the company increased 17 % to $ 4.05 billion in the second quarter of 2021 compared to the prior year period , with 36 % growth in the Acceptance segment , 6 % growth in the Fintech segment and 8 % growth in the Payments segment . GAAP revenue for the company increased 8 % to $ 7.81 billion in the first six months of 2021 compared to the prior year period , with 17 % growth in the Acceptance segment and 4 % growth in each of the Fintech and Payments segments . GAAP earnings per share increased from $ 0.00 to $ 0.40 in the second quarter and increased 49 % to $ 0.85 in the first six months of 2021 compared to the prior year periods . GAAP operating margin was 15.9 % and 14.3 % in the second quarter and first six months of 2021 , respectively , compared to 4.7 % and 11.0 % in the second quarter and first six months of 2020 , respectively . Net cash provided by operating activities increased by 5 % to $ 2.01 billion in the first six months of 2021 compared to $ 1.92 billion in the prior year period .