SEI Investments Company (NASDAQ: SEIC)

Dennis McGonigle, Chief Financial Officer

Sandler O'Neill Global Exchange & Brokerage Conference June 7-8, 2017

1 SEI

SEI is a leading global provider of asset years as a leading innovator and management, investment processing outsourcer in the wealth and investment operations solutions. 49 management industry

We help professional wealth managers, Employees* institutional investors, investment ~3,200 management firms, and private investors create and manage wealth – and enable their long term success – by providing solutions Client that are both innovative and comprehensive. ~8,600 relationships*

Assets under management or $779b administration*

*As of March 31, 2017, through its subsidiaries and partnerships in which the company has a significant interest, SEI manages, advises or administers $779 billion in hedge, , and pooled or separately managed assets, including $297 billion in assets under management and $478 billion in client assets under administration. Client and employee statistics are as of December 31, 2016.

2 SEI representative clients

Banks and asset management distributors

Investment Advisors and Broker/Dealers

Institutional Investors

Investment Managers

Representative clients are selected by SEI to illustrate a sampling of SEI’s client base as of December 31, 2016, but may not necessarily endorse all of the services provided by SEI. All trademarks or services are property of their respective owners.

3 SEI markets & businesses

Serving two related markets

Wealth Holders Wealth Services Providers › Individuals › Distributors › Institutions › Manufacturers

Through five business units

Private Investment Institutional Investment New Banks Advisors Investors Managers Businesses (ultra HNW)

4 SEI wealth management enterprise platforms

Three Core Competencies

Investment Investment Processing Operations

Platforms

Wealth Management Business Process Outsourcing › Individuals › Distributors › Institutions › Manufacturers

5 SEI financial highlights

Net income Revenue ($m) Net cash from attributable to SEI ($m) operating activities ($m) $1,411 $1,266 $1,334 $425 $375 $391 $332 $1,126 $351 $319 $334 $993 $288 $257 $207

2012 2013 2014 2015 2016 2012 2013 2014 2015 2016 2012 2013 2014 2015 2016

Return of capital to Research and SEIC appreciation shareowners ($m) Development ($m) (approximate) as of March 31, 2017 R & D as a percent of revenue 371 377 350 8.0% 8.2% 7.8% 7.7% 9.6% 293 85 241 74 80 1 year 22% 135 34 5 years 144% 276 291 292 134 207 92 99 103 10 years 67% 158 80 31 31 35 29 50 Since IPO 26,447% 2012 2013 2014 2015 2016 2012 2013 2014 2015 2016 (1981) Research and development expenditures Stock purchases Dividends paid Capitalized software development costs

6 SEI: a history of innovation and market expansion

Innovations › Trust System › Invest idle cash › Manager of Managers › Goals-based investing balances › Fee-based advisor › OCIO & fiduciary management › Asset allocation Platform › Total operations outsourcing › Back-office processing › SEI Wealth Platform SM › Globalization

Solutions Investment Investment Investment Processing + Management + Operations = SEI Wealth Services Services Services Services

Investment Managers

Markets Advisors IWA’s Institutional Investors Banks

Regions United States Canada UK EMEA, Asia 1968 1980 1990 2000 2010 2017

7 SEI today: segments and target markets

› Global banks Banks › U.S. national and regional banks; large community banks › Non-bank private wealth managers and asset management distributors globally

› U.S. registered investment advisors Advisors › Financial planners › Broker/dealers

› Global and U.S. corporations and retirement plans (DB & DC) › U.S. hospitals and healthcare organizations Institutional Investors › Foundations, endowments and not-for-profit organizations › U.S. municipalities and public pension plans

› Global and private equity managers Investment Managers › Traditional money managers

8 SEI today: global presence and services offered

Europe United Kingdom Canada › Bank & advisory investment processing Institutional/HNW asset › Institutional & HNW asset management management Netherlands Institutional asset management Major Operations Center Ireland Oaks, PA, United States Investment manager operations & fund processing

United States Major Operations Centers London, United Kingdom › Bank & advisory investment processing › › Dublin, Ireland East Asia › Institutional & HNW asset management Hong Kong › Investment manager operations & fund processing Institutional & HNW asset management

South Africa Institutional asset management

9 SEI today: differentiated solutions – current investments

Segment Solutions/Platforms Investments › Software-as-a-Service › SEI Wealth PlatformSM › Operating scale Front-office Private Banks ›

› Asset management distribution › Expanded distribution

› Expanded distribution › Turn-key asset management platform Investment Advisors SEI Wealth PlatformSM expands (TAMP) › addressable markets: Flexible TAMP

Outsourced Chief Investment Officer New markets Institutional Investors › › (OCIO) Defined Contribution ›

Ongoing enhancements to: Investment Managers › Total Operational Outsourcing platform › serve larger clients › expand addressable markets

› Ultra-high-net-worth market Investments in Goal Investor® New Businesses › › Blockchain

10 SEI business model

› Focus on emerging client needs Organic Growth › Deliver enterprise platforms › Selective acquisitions

› Forge strategic and intimate client relationships Client Relationships › Be a thought-leader › “Win-win” pricing models

› Focus on sustainable growth in earnings-per-share › Generate recurring revenue & predictable cash flows Financial Strength › Maintain strong balance sheet › Return capital: dividends and stock buy-backs

› Long-term focus Innovation › Foster collaborative, innovative culture › Fail fast and learn from mistakes

11 SEI competitive advantages

› SEI recognized as an industry leader and innovator Market Leadership › Large and diverse client base › Facilitates new business and cross-sale success

› Strategies well-developed and coordinated Complete Strategies › Current economic climate reinforces value propositions › Continuous research & development

› Create new categories of solutions Differentiated Solutions › Solve large business issues in support of clients’ objectives › Integrate advice, investments, technology & operations

12 SEI platform overviews and additional information

13 Private Banks solution

SEI Wealth Platform SM

Investment Processing Services Asset services, cash management, End Client corporate actions, custody, reconcilement, Asset Management settlement, fee & tax processing › 360º view of relationships › Prospect management › End-client website › Dashboard & reporting › End-client statements › Portfolio planning & proposals › Tax reporting › Alerts & monitoring › Confirms/advices › Tasks & activities

Business INFRASTRUCTUREInfrastructure Services Management Services SERVICESBusiness continuity, hosting, MI reporting, SLA/KPI tracking, Businessinformation continuity, security, release hosting, audit reporting, data integration, informationmanagement, security, production release document management, services, system administration professional services management, production services, system administration

Wealth Advisory Wealth Administration › Portfolio structure › Multi-level risk analysis & reporting › Manager research and selection › Consolidated portfolio analysis & reporting › Dynamic asset management › Stress testing

14 Investment Advisors solution Flexible turnkey asset management platform

Solution Traditional Flexible Open Custody turn-key asset turn-key asset Platform category management platform management platform SEI Wealth Platform Do-It-Yourself

› Full custody platform with › Full custody platform with › Full custody platform Capabilities middle office middle office

› Single system architecture › Single system architecture › Advisor purchased with extendable integration component technology

› Limited front/middle office › Integrated front/middle office › Front/middle office technologies technologies with workflow supermarket technologies without workflow › SEI investment program › Full range of investment products and securities › Investment supermarket

Market – Firm Size $5m - $250m $251m - $3b DIY $3b+ Total

Firms 11,526 2,043 205 13,774

Advisors 85,680 14,518 3,267 103,465

Assets $1.13T $1.48T $1.50T $4.11T

Sources: Matt McGinness, Best Practice Research; Dennis Gallant, GDC Research. As of September 2015.

15

Institutional Investors solution Outsourced Chief Investment Officer (OCIO)

Strategic Advice › Goal setting & monitoring › Asset / liability study › Investment policy formulation

Investment Management › Portfolio structure › Manager research & selection › Dynamic asset management

Risk Management & Monitoring › Multi-level risk analysis & reporting › Consolidated portfolio analysis & reporting › Stress testing

Active Liability Driven Investing (LDI) › Active management relative to liabilities › Glidepath optimization › - Capital market point of view

Goals-based Reporting › Reconciliation of funded status › Pension surplus decomposition › Attribution of interest rate changes

16 Investment Managers solution Total Operational Outsourcing Platform

Investment Fund Flexible, integrated operations operations handling of:

› Fund Administration › Fund Accounting › Investment Operations / Middle Office Best-of-breed Risk Regulatory and Technology Management › Information Management Compliance Engines › Workflow/Process Management

› Risk Management Analytics

Distribution Dashboards › Regulatory and services - Manager Compliance - Investor

17 Forward Looking Statements

This presentation may include "forward-looking statements," and discussions about future operations, strategies and financial results. Future revenues and income could differ from expected results. We have no obligation to publicly update or correct any statements herein as a result of future developments. You should refer to our periodic SEC filings for a description of various risks and uncertainties that could affect our future financial results.

18 Thank you

19