EXPONENT INC

Ticker: EXPO CUSIP: 30214U102 Class: Common Stock

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2025

Shares 3,749 Value ($000) $260 Avg Close $70.04 Range $64.13 - $76.49

Q1 2025

Shares 24,373 Value ($000) $1,976 Avg Close $85.84 Range $77.36 - $96.05

Q2 2022

Shares 12,843 Value ($000) $1,175 Avg Close $89.98 Range $77.49 - $106.96

Q2 2017

Shares 3,756 Value ($000) $219 Avg Close $27.13 Range $25.92 - $28.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,749	$260	$70.04	$64.13 - $76.49
Q1 2025	24,373	$1,976	$85.84	$77.36 - $96.05
Q2 2022	12,843	$1,175	$89.98	$77.49 - $106.96
Q2 2017	3,756	$219	$27.13	$25.92 - $28.94