EXPONENT INC

Ticker: EXPO CUSIP: 30214U102 Class: Common Stock

DUNCKER STREETT & CO INC's Holding History (CIK: 0001020585)

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

Q4 2015

Shares 146 Value ($000) $7 Avg Close $22.59 Range $19.61 - $24.33

Q3 2015

Shares 146 Value ($000) $7 Avg Close $19.51 Range $17.98 - $20.71

Q2 2015

Shares 146 Value ($000) $7 Avg Close $19.41 Range $18.38 - $21.41

Q1 2015

Shares 73 Value ($000) $6 Avg Close $18.85 Range $17.24 - $20.22

Q4 2014

Shares 73 Value ($000) $6 Avg Close $17.03 Range $15.31 - $18.48

Q3 2014

Shares 73 Value ($000) $5 Avg Close $16.08 Range $15.27 - $16.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	146	$7	$22.59	$19.61 - $24.33
Q3 2015	146	$7	$19.51	$17.98 - $20.71
Q2 2015	146	$7	$19.41	$18.38 - $21.41
Q1 2015	73	$6	$18.85	$17.24 - $20.22
Q4 2014	73	$6	$17.03	$15.31 - $18.48
Q3 2014	73	$5	$16.08	$15.27 - $16.97