CRA INTL INC

Ticker: CRAI CUSIP: 12618T105 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2017

Shares 1,200 Value ($000) $42 Avg Close $30.75 Range $27.97 - $35.06

Q4 2016

Shares 1,500 Value ($000) $55 Avg Close $27.58 Range $22.55 - $32.85

Q3 2016

Shares 2,600 Value ($000) $69 Avg Close $23.28 Range $20.90 - $27.32

Q2 2016

Shares 4,600 Value ($000) $116 Avg Close $19.67 Range $16.09 - $22.49

Q1 2016

Shares 900 Value ($000) $18 Avg Close $16.43 Range $14.18 - $18.96

Q4 2015

Shares 2,900 Value ($000) $54 Avg Close $18.96 Range $15.50 - $21.55

Q3 2015

Shares 1,200 Value ($000) $26 Avg Close $20.57 Range $18.34 - $24.82

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	1,200	$42	$30.75	$27.97 - $35.06
Q4 2016	1,500	$55	$27.58	$22.55 - $32.85
Q3 2016	2,600	$69	$23.28	$20.90 - $27.32
Q2 2016	4,600	$116	$19.67	$16.09 - $22.49
Q1 2016	900	$18	$16.43	$14.18 - $18.96
Q4 2015	2,900	$54	$18.96	$15.50 - $21.55
Q3 2015	1,200	$26	$20.57	$18.34 - $24.82