Interactive Brokers Group

Investor Presentation

Third Quarter 2018

2

The following information contains certain forward-looking statements that reflect the Company’s

current views with respect to certain current and future events and financial performance. These

forward-looking statements are and will be, as the case may be, subject to many risks, uncertainties

and factors relating to the Company’s operations and business environment which may cause the

Company’s actual results to be materially different from any future results, expressed or implied, in

these forward-looking statements. Any forward-looking statements are based upon information

available to the Company on the date of this presentation. The Company does not undertake to publicly

update or revise its forward-looking statements even if experience or future changes make it clear that

any statements expressed or implied therein will not be realized. Additional information on risk factors

that could potentially affect the Company’s financial results may be found in the Company’s filings with

the Securities and Exchange Commission.

Disclaimer

3

Who we are, Where we are going

Today We Are:

One of the largest U.S. electronic brokers as measured by DARTs.

Fastest organically-growing, publicly-traded U.S. electronic broker as measured by client

accounts and client equity.

Broad global reach – Access to over 120 markets in 31 countries.

Seamless access to products worldwide – Trade stocks, options, futures, commodities, FX and

fixed income in up to 23 currencies.

Highly efficient, scalable business model – $1.4M net revenue / employee (4).

We began as a market maker in 1977.

We used this technology and knowledge of markets to launch our brokerage business in 1993.

(1) 3Q18 (2) DARTs are based on client orders (3) 9/30/18 (4) Trailing twelve months to 9/30/18

576,000Client

Accounts 3

$6.9BEquity

Capital 3

763,000DARTs 1,2

66%Brokerage Pretax

Margin 1

26%YoY3 Account

Growth

4

Strong Balance Sheet

Since our IPO, we have maintained a strong and growing balance sheet

At May 2007 At September 30, 2018

Long-term debt $0.3 billion $0

Total equity $2.8 billion $6.9 billion

+ $3.9 billion in dividends distributed since IPO

Excess regulatory capital $1.2 billion $5.5 billion

Public shares 40 million 10% 75 million 18%

Private ownership 360 million 90% 339 million 82%

Total 400 million 100% 414 million 100%

5

Corporate Strategy

Automation allows IB to be the lowest cost processor in our industry

Majority of senior management are software engineers

From account opening to the entire transaction lifecycle, our processes are automated

As a result, we were able to execute, clear and settle over 1 million trades per day in

3Q18, across multiple product classes and in multiple currencies, at over 120 market

centers in 31 countries with 1,380 (3Q18) employees

Automated, real-time risk management

Excludes MtM on Treasuries and extraordinary events: Singapore losses in 2013 and CHF client losses in 2015.

Diversifed Enterprise

66

Brokerage

Client Equity

Brokerage

Year To Date

Commissions by Client

Brokerage

Accounts

576K $572M$142B

As of September 30, 2018

7

Geographic Distribution

370K 457K 576K $83B $116B $142B $606M $627M $742M

Client Accounts Client Equity LTM Commissions

48% 45%41%

65% 63% 60% 58% 56% 53%

26%25%

24%

14%13%

14% 18% 18%18%

26% 30%35%

21% 24% 26% 24% 26% 29%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Sep-16 Sep-17 Sep-18 Sep-16 Sep-17 Sep-18 Sep-16 Sep-17 Sep-18

Asia

Europe &Africa

Americas

8

Client Segment Distribution

370K 457K 576K $83B $116B $142B $606M $627M $742M

LTM Commissions Client Accounts Client Equity

57%52% 49%

37% 36% 36%

50% 50% 50%

1%

1%1%

9% 9% 9%

9% 9% 10%

19%

18%17% 26% 24% 24%

18% 17% 16%

3%

3%3%

13%12% 10%

17% 17% 15%

20%26%

30%

15%19% 21%

6% 7% 9%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Sep-16 Sep-17 Sep-18 Sep-16 Sep-17 Sep-18 Sep-16 Sep-17 Sep-18

Introducingbrokers

Proprietarytrading groups

Financialadvisors

Hedge andmutual funds

Individualtraders &investors

Our Competitive Strengths

Low Cost &

Best Execution

Low execution costs: Starting rates

decrease with higher volume tiers

• U.S. Stocks $0.0005 to $0.0035

per share

• U.S. Options $0.15 to $0.70

per contract1

U.S. margin interest tiers range

from 2.5% to 3.7%2

IBKR’s Smart Order Router is

designed to achieve best price

execution by routing directly to

market centers. We do not sell

client order flow.3

Breadth

of Product

Clients can trade on over

120 market centers in

31 countries and up to 23

currencies

Seamless electronic market

access to stocks, options,

futures, forex, commodities,

bonds, funds and ETFs from a

single IB Universal Account®

Superior Trading

Technology

Sophisticated market-maker

designed technology

Multiple desktop and mobile

trading platforms

Advanced trading tools

60+ order types and algos

API solutions

(1) For more information see ibkr.com/commissions

(2) As of October 1, 2018. See ibkr.com/interest

(3) See ibkr.com/bestexecution

10

Effect of IBKR’s Low Margin Rates

Industry defined as IBKR, AMTD, SCHW, and ETFC

11

Brokerage Expansion

Market leading growth in every key metric

12

Competition Metrics

(1) Ameritrade bought Scottrade, 3Q17

(2) E*Trade and Charles Schwab are brokerage accounts only

(3) Charles Schwab’s client equity includes all client assets

(4) Interactive Brokers pretax profit is adjusted for currency diversification, one-time gains and Treasury marks-to-market

3-year 3-year 3-year 3-year

3Q2018 Change 3Q2018 Change 3Q2018 Change 3Q2018 Change

3Q18 Brokerage Metrics (in thousands)

Number of accounts 2 576 79% 3,949 23% 11,514 74% 11,423 18%

Client equity (in billions) 3 $143 129% $418 76% $1,298 94% $3,564 48%

Average commission per DART (actual ) $3.78 -8% $7.04 -35% $7.35 -38% $7.27 -38%

Average client equity per account $248 28% $106 43% $113 12% $312 25%

Total DARTs 763 12% 266 71% 795 66% 382 26%

DARTs per account (actual, annualized ) 312 -37% 17 39% 17 -5% 8 7%

Number of employees 1,380 31% 4,091 24% 9,183 61% 19,100 24%

Trailing 12 Months' Financials ($ in millions)

Revenues per employee $1.4 $0.7 $0.6 $0.5

Compensation per employee (in thousands) $200 $158 $169 $163

Total pretax profit4 $1,167 $1,352 $1,887 $4,305

Pretax profit margin 63% 49% 35% 44%

IBKR ETFC AMTD1 SCHW

13

Cost Comparison

Rated as “Low Cost Broker” 17 years in a row by Barron’s1

_______________________________________________________________________________________________________

1 Low Cost Broker 2002 through 2018 according to Barron’s Annual Best Online Brokers - “All Together Now.“ For additional

information, see ibkr.com/awards. Barron’s is a registered trademark of Dow Jones & Co. Inc.

2 IBKR calculates the interest charged on margin loans using the applicable rates for each interest rate tier listed on its website.

For additional information, see ibkr.com/interest

3 Rates were obtained on October 1, 2018 from each firm’s website and are subject to change without notice. Services vary by

firm. The IBKR commission rates shown are the average of the client commissions for trades executed in September 2018 and

are subject to minimums and maximums as shown on the IBKR website. For more information, see ibkr.com/compare

$25K $300K $1.5M $3.5M Equity Trades Option Trades Futures Trades

E-Trade 10.00% 8.50% 7.00% 7.00% $6.95$6.95 base

+ $0.75 per contract

exchange &

regulatory fees plus

$1.50

Fidelity 8.82% 7.57% 5.00% 5.00% $4.95$4.95 base

+ $0.65 per contractNA

Interactive Brokers 2 3.42% 3.08% 2.78% 2.54% $2.20no base cost

$0.68 per contract$1.78

Schwab 8.82% 7.75% NA NA $4.95$4.95 base

+ $0.65 per contract

exchange &

regulatory fees plus

$1.50

TD Ameritrade 9.75% 8.25% 7.50% 7.50% $6.95$6.95 base

+ $0.75 per contract

exchange &

regulatory fees plus

$2.25

Vanguard 8.50% 7.00% 5.25% 5.25%$7-$20

depends on the

number of trades

$7.00 base

+ $1.00 per contractNA

US Margin Loan Rates Comparison2 Commission Rates Comparison3

Invest in stocks,

options, futures,

commodities, forex

and fixed income on

over 120 global

exchanges at low

cost.2

Earn Market Rate

Interest on idle cash

balances and earn

income on securities by

lending out fully paid

shares.

Directly deposit your

paycheck and instantly

earn high interest.1

Use our Insured Bank

Deposit Sweep

Program to get up to

$2.75 million of SIPC

and FDIC insurance on

the cash in your

accounts, and still earn

the same market rate

interest.

Integrated Investment Management from One Account

EARN BORROW SPEND INVEST

Borrow against your

account whenever

needed at our

extremely low, market-

based rates.

Spend using our Bill

Pay to pay any

expense, or use our

Debit Mastercard to

make purchases

anywhere.

1) Credit interest as of 10/1/2018. USD credit interest is paid on balances

over USD 10,000 in securities accounts with Net Asset Value

exceeding USD 100,000. For more information, see ibkr.com/interest.

2) According to Barron’s Broker Survey 2018 All Together Now, March

26, 2018. For complete information, see ibkr.com/info.

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IBot – Trade and manage your account wherever you are, simply and

easily, by using text or voice. Now integrated with several popular chatbot

and voice assistants, so clients can access the benefits of their IB

accounts no matter what platform they use.

New Client Portal – Clients can access all the features and services of

their accounts from anywhere. One login will take you to all IBKR web

tools, such as Portfolio Analyst, Account Management, Forum, and more,

in a streamlined view.

Order Management System (OMS) – Our new OMS for Advisors and

institutional clients features an intuitive, easy-to-use interface that moves

seamlessly between desktop and mobile devices. A new pre-trade

compliance tool was added to support the trading and regulatory

requirements of our growing institutional investor client base.

Recent Enhancements and New Products

16

Investors Marketplace

Introductions to More than Capital

Interactive Brokers clients can reach hundreds of thousands of individual

and institutional investors worldwide, and find service providers among

the over 1,500 listed that can help grow their businesses.

Investing Research Technology AdministrationBusiness

Development

Advisors Research Software Vendors Administrators Advertising Firms

Hedge Funds Education &

Coaches

Programming

ConsultantsAuditing Firms Business Analysts

Money Managers News Feeds Compliance

FirmsCareers

BrokersTrading

Publications Legal Firms

Corporate Access

Providers

Tax Firms

17

Recognized Industry Leader

2018 Barron’s Awards1:

Interactive Brokers earned an overall rating of 4.5 and

Rated #1 – Best Online Broker

Rated 4.5 for Best for Options Traders

Rated 4.6 for Lowest Cost

Rated 4.9 for Best Portfolio Analysis and Reports

Rated 4.7 for Best Trading Experience and Technology

Rated 4.5 for Best for Frequent Traders

Rated 4.8 for Range of Offerings

2018 Stockbrokers.com:

Rated #1 for Commissions and Fees

Rated #1 for Offering of Investments

Rated #1 for Active Trading

Rated #1 for International Trading

Rated #1 for Professionals

Earned a “Best in Class” rating for Platforms & Tools

Earned a “Best in Class” rating for Options Trading

Earned a “Best in Class” rating for Order Execution

Earned a “Best in Class” rating for Mobile Trading

IB’s multiple trading platforms, extensive suite of advanced trading tools, algos

and order types continue to earn awards, year after year.

2018 Fund Technology and WSL Institutional Awards:

Best Trading Platform Overall

Best Broker-Dealer Options

2018 HFM Week US Hedge Fund Services Awards:

Best Mobile Application

2018 CTA Services Awards:

Best FCM Technology - US

1 Barron’s is a registered trademark of Dow Jones & Co. Inc.