INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

Engine Capital Management, LP's Holding History (CIK: 0001665590)

Note: Option positions (PUT/CALL) are excluded.

Q2 2017

Shares 12,660 Value ($000) $474 Avg Close $8.40 Range $7.80 - $9.05

Q1 2017

Shares 14,000 Value ($000) $486 Avg Close $8.78 Range $8.05 - $9.31

Q4 2016

Shares 14,000 Value ($000) $511 Avg Close $8.56 Range $7.51 - $9.35

Q3 2016

Shares 14,000 Value ($000) $494 Avg Close $8.30 Range $7.88 - $8.76

Q2 2016

Shares 9,000 Value ($000) $319 Avg Close $8.92 Range $7.90 - $9.67

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	12,660	$474	$8.40	$7.80 - $9.05
Q1 2017	14,000	$486	$8.78	$8.05 - $9.31
Q4 2016	14,000	$511	$8.56	$7.51 - $9.35
Q3 2016	14,000	$494	$8.30	$7.88 - $8.76
Q2 2016	9,000	$319	$8.92	$7.90 - $9.67