EXPONENT INC

Ticker: EXPO CUSIP: 30214U102 Class: Common Stock

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q4 2025

Shares 39,972 Value ($000) $3 Avg Close $70.04 Range $64.13 - $76.49

Q3 2025

Shares 41,835 Value ($000) $3 Avg Close $70.97 Range $63.29 - $77.29

Q2 2025

Shares 42,595 Value ($000) $3 Avg Close $76.63 Range $71.84 - $82.91

Q1 2025

Shares 42,795 Value ($000) $3 Avg Close $85.84 Range $77.36 - $96.05

Q4 2024

Shares 42,795 Value ($000) $4 Avg Close $98.95 Range $86.42 - $113.62

Q3 2024

Shares 42,695 Value ($000) $5 Avg Close $102.48 Range $91.12 - $113.49

Q2 2024

Shares 42,795 Value ($000) $4 Avg Close $88.07 Range $75.45 - $100.26

Q1 2024

Shares 41,081 Value ($000) $3 Avg Close $80.52 Range $66.82 - $89.81

Q4 2023

Shares 40,781 Value ($000) $4 Avg Close $79.51 Range $62.65 - $88.86

Q3 2023

Shares 40,168 Value ($000) $3 Avg Close $87.51 Range $81.83 - $93.97

Q2 2023

Shares 39,148 Value ($000) $4 Avg Close $90.75 Range $82.22 - $98.29

Q1 2023

Shares 38,043 Value ($000) $4 Avg Close $97.94 Range $87.83 - $108.44

Q4 2022

Shares 44,126 Value ($000) $4 Avg Close $93.27 Range $83.33 - $102.60

Q3 2022

Shares 44,326 Value ($000) $3,886 Avg Close $90.80 Range $83.36 - $99.84

Q2 2022

Shares 43,141 Value ($000) $3,946 Avg Close $89.98 Range $77.49 - $106.96

Q1 2022

Shares 42,133 Value ($000) $4,552 Avg Close $91.89 Range $79.49 - $113.24

Q4 2021

Shares 42,033 Value ($000) $4,907 Avg Close $111.77 Range $104.67 - $121.29

Q3 2021

Shares 41,733 Value ($000) $4,722 Avg Close $102.37 Range $83.04 - $114.43

Q2 2021

Shares 41,633 Value ($000) $3,714 Avg Close $88.68 Range $81.59 - $96.96

Q1 2021

Shares 41,633 Value ($000) $4,057 Avg Close $88.68 Range $77.59 - $95.36

Q4 2020

Shares 44,633 Value ($000) $4,018 Avg Close $75.22 Range $64.49 - $85.98

Q3 2020

Shares 44,633 Value ($000) $3,215 Avg Close $74.81 Range $66.26 - $79.56

Q2 2020

Shares 46,833 Value ($000) $3,790 Avg Close $67.56 Range $57.66 - $76.48

Q1 2020

Shares 47,567 Value ($000) $3,421 Avg Close $67.97 Range $54.43 - $77.49

Q4 2019

Shares 47,809 Value ($000) $3,299 Avg Close $61.68 Range $57.11 - $66.68

Q3 2019

Shares 47,809 Value ($000) $3,342 Avg Close $62.89 Range $53.83 - $67.85

Q2 2019

Shares 47,909 Value ($000) $2,805 Avg Close $52.92 Range $50.50 - $55.87

Q1 2019

Shares 47,909 Value ($000) $2,765 Avg Close $50.06 Range $43.61 - $54.25

Q4 2018

Shares 47,909 Value ($000) $2,429 Avg Close $46.35 Range $41.04 - $50.11

Q3 2018

Shares 48,044 Value ($000) $2,575 Avg Close $47.22 Range $43.99 - $50.40

Q2 2018

Shares 48,044 Value ($000) $2,321 Avg Close $42.16 Range $35.08 - $48.38

Q1 2018

Shares 24,067 Value ($000) $1,893 Avg Close $34.66 Range $31.96 - $37.28

Q4 2017

Shares 24,314 Value ($000) $1,729 Avg Close $33.56 Range $31.78 - $35.23

Q3 2017

Shares 24,314 Value ($000) $1,797 Avg Close $30.10 Range $25.97 - $34.44

Q2 2017

Shares 24,314 Value ($000) $1,418 Avg Close $27.13 Range $25.92 - $28.94

Q1 2017

Shares 24,314 Value ($000) $1,448 Avg Close $26.37 Range $25.20 - $27.58

Q4 2016

Shares 24,314 Value ($000) $1,466 Avg Close $26.16 Range $21.82 - $29.29

Q3 2016

Shares 24,314 Value ($000) $1,241 Avg Close $23.44 Range $20.21 - $26.81

Q2 2016

Shares 24,314 Value ($000) $1,420 Avg Close $23.30 Range $21.66 - $26.24

Q1 2016

Shares 24,314 Value ($000) $1,240 Avg Close $21.56 Range $19.99 - $23.21

Q4 2015

Shares 24,314 Value ($000) $1,214 Avg Close $22.59 Range $19.61 - $24.33

Q3 2015

Shares 15,014 Value ($000) $669 Avg Close $19.51 Range $17.98 - $20.71

Q2 2015

Shares 15,014 Value ($000) $672 Avg Close $19.41 Range $18.38 - $21.41

Q1 2015

Shares 7,507 Value ($000) $667 Avg Close $18.85 Range $17.24 - $20.22

Q4 2014

Shares 7,507 Value ($000) $619 Avg Close $17.03 Range $15.31 - $18.48

Q3 2014

Shares 7,611 Value ($000) $539 Avg Close $16.08 Range $15.27 - $16.97

Q2 2014

Shares 7,611 Value ($000) $564 Avg Close $15.58 Range $14.11 - $16.64

Q1 2014

Shares 7,611 Value ($000) $571 Avg Close $16.03 Range $14.26 - $16.90

Q4 2013

Shares 8,011 Value ($000) $619 Avg Close $16.37 Range $14.69 - $17.44

Q3 2013

Shares 8,611 Value ($000) $619 Avg Close $14.42 Range $12.78 - $15.73

Q2 2013

Shares 9,211 Value ($000) $544 Avg Close $11.84 Range $10.87 - $12.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,972	$3	$70.04	$64.13 - $76.49
Q3 2025	41,835	$3	$70.97	$63.29 - $77.29
Q2 2025	42,595	$3	$76.63	$71.84 - $82.91
Q1 2025	42,795	$3	$85.84	$77.36 - $96.05
Q4 2024	42,795	$4	$98.95	$86.42 - $113.62
Q3 2024	42,695	$5	$102.48	$91.12 - $113.49
Q2 2024	42,795	$4	$88.07	$75.45 - $100.26
Q1 2024	41,081	$3	$80.52	$66.82 - $89.81
Q4 2023	40,781	$4	$79.51	$62.65 - $88.86
Q3 2023	40,168	$3	$87.51	$81.83 - $93.97
Q2 2023	39,148	$4	$90.75	$82.22 - $98.29
Q1 2023	38,043	$4	$97.94	$87.83 - $108.44
Q4 2022	44,126	$4	$93.27	$83.33 - $102.60
Q3 2022	44,326	$3,886	$90.80	$83.36 - $99.84
Q2 2022	43,141	$3,946	$89.98	$77.49 - $106.96
Q1 2022	42,133	$4,552	$91.89	$79.49 - $113.24
Q4 2021	42,033	$4,907	$111.77	$104.67 - $121.29
Q3 2021	41,733	$4,722	$102.37	$83.04 - $114.43
Q2 2021	41,633	$3,714	$88.68	$81.59 - $96.96
Q1 2021	41,633	$4,057	$88.68	$77.59 - $95.36
Q4 2020	44,633	$4,018	$75.22	$64.49 - $85.98
Q3 2020	44,633	$3,215	$74.81	$66.26 - $79.56
Q2 2020	46,833	$3,790	$67.56	$57.66 - $76.48
Q1 2020	47,567	$3,421	$67.97	$54.43 - $77.49
Q4 2019	47,809	$3,299	$61.68	$57.11 - $66.68
Q3 2019	47,809	$3,342	$62.89	$53.83 - $67.85
Q2 2019	47,909	$2,805	$52.92	$50.50 - $55.87
Q1 2019	47,909	$2,765	$50.06	$43.61 - $54.25
Q4 2018	47,909	$2,429	$46.35	$41.04 - $50.11
Q3 2018	48,044	$2,575	$47.22	$43.99 - $50.40
Q2 2018	48,044	$2,321	$42.16	$35.08 - $48.38
Q1 2018	24,067	$1,893	$34.66	$31.96 - $37.28
Q4 2017	24,314	$1,729	$33.56	$31.78 - $35.23
Q3 2017	24,314	$1,797	$30.10	$25.97 - $34.44
Q2 2017	24,314	$1,418	$27.13	$25.92 - $28.94
Q1 2017	24,314	$1,448	$26.37	$25.20 - $27.58
Q4 2016	24,314	$1,466	$26.16	$21.82 - $29.29
Q3 2016	24,314	$1,241	$23.44	$20.21 - $26.81
Q2 2016	24,314	$1,420	$23.30	$21.66 - $26.24
Q1 2016	24,314	$1,240	$21.56	$19.99 - $23.21
Q4 2015	24,314	$1,214	$22.59	$19.61 - $24.33
Q3 2015	15,014	$669	$19.51	$17.98 - $20.71
Q2 2015	15,014	$672	$19.41	$18.38 - $21.41
Q1 2015	7,507	$667	$18.85	$17.24 - $20.22
Q4 2014	7,507	$619	$17.03	$15.31 - $18.48
Q3 2014	7,611	$539	$16.08	$15.27 - $16.97
Q2 2014	7,611	$564	$15.58	$14.11 - $16.64
Q1 2014	7,611	$571	$16.03	$14.26 - $16.90
Q4 2013	8,011	$619	$16.37	$14.69 - $17.44
Q3 2013	8,611	$619	$14.42	$12.78 - $15.73
Q2 2013	9,211	$544	$11.84	$10.87 - $12.92