1 EXHIBIT 99.1 WD-40 Company Reports First Quarter 2026 Financial Results ~ Maintenance product sales in direct markets up 8 percent, partially offset by timing-related softness in distributor markets ~ ~ Management reaffirms full-year guidance, expects results toward mid-to-high end of ranges ~ SAN DIEGO — January 8, 2026 — WD-40 Company (NASDAQ:WDFC), a global marketing organization dedicated to creating positive lasting memories by developing and selling products that solve problems in workshops, factori ...