Supply-chain overlap

direct ties · both sidesSources

direct ties · both sides

Only WDFC 1

HDThe Home Depotcustomer

Shared 0

No shared counterparties.

Only EXPO 2

—State of Arizonaunlistedsupplier

—National Highway Traffic Safety Administrationunlistedcustomer

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

WDFCWD 40 Co

220.75+0.61%· post 220.74

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

EXPOExponent Inc

80.32+2.56%· post 80.54

ClosedOct 30 '26

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

vs

Compare

ClosedOct 30 '26

WDFCWD 40 Co

vs

EXPOExponent Inc

220.75+0.61%post 220.74

Price

80.32+2.56%post 80.54

$3.0B

Mkt cap

$3.8B

Q4 FY26$177M

Revenue

$172MQ2 FY26

FY26$688M

Revenue

$582MFY25

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