Supply-chain overlap

direct ties · both sidesSources

direct ties · both sides

Only EXPO 2

—State of Arizonaunlistedsupplier

—National Highway Traffic Safety Administrationunlistedcustomer

Shared 0

No shared counterparties.

Only WDFC 1

HDThe Home Depotcustomer

Role chip = supplier or customer—= no ticker (unlisted)Source: SEC EDGAR

EXPOExponent Inc

85.27+6.25%

Mkt cap$3.8BRevenue$172MQ2 FY26Revenue$582MFY25

WDFCWD 40 Co

227.64+3.19%

Regular sessionNov 2 '26

Mkt cap$3.0BRevenue$177MQ4 FY26Revenue$688MFY26

vs

Compare

Regular sessionNov 2 '26

EXPOExponent Inc

vs

WDFCWD 40 Co

85.27+6.25%

Price

227.64+3.19%

$3.8B

Mkt cap

$3.0B

Q2 FY26$172M

Revenue

$177MQ4 FY26

FY25$582M

Revenue

$688MFY26

EXPO compared with WDFC: revenue, margins and what each company keeps, and the suppliers and customers both name