Page 1

Press Release SEI New ways . New answers . Investor Contact : Lindsey Opsahl SEI +1 610-676-4052 lopsahl@seic.com Pages : 8 FOR IMMEDIATE RELEASE Media Contact : Leslie Wojcik SEI +1 610-676-4191 lwojcik@seic.com SEI Reports First - Quarter 2021 Financial Results OAKS , Pa . , April 21 , 2021 - SEI Investments Company ( NASDAQ : SEIC ) today announced financial results for the first - quarter 2021. Diluted earnings per share were $ 0.89 in first - quarter 2021 compared to $ 0.72 in first - quarter 2020 . Consolidated Overview ( In thousands , except earnings per share ) For the Three Months Ended March 31 , Revenues Net income Diluted earnings per share 2021 2020 % $ 455,686 129,470 $ 0.89 $ 414,762 10 % 109,242 19 % $ 0.72 24 % “ Our first - quarter results reflect positive capital market performance . We continue to execute our business strategies across the company and invest in the strength and expansion of the solutions we bring to our target markets , ” said Alfred P. West , Jr. , SEI Chairman and CEO . " We had solid sales results in processing and operational services , helping us offset the anticipated headwinds our asset management businesses face . " " Our long - term success is built on a strong foundation of advancing our suite of solutions , leading in our markets , effectively executing strategies , and soundly managing finances — all backed by a talented workforce . We will continue to drive our success forward for the benefit of our clients , employees , communities and shareholders . "