Eaton — May 5, 2026 release

Exhibit 99 Eaton Reports Record First Quarter 2026 Results, with Accelerating Growth in Sales, Orders and Backlog, and Raises 2026 Organic Growth Guidance to 10% from 8% at the Midpoint • Twelve-month rolling average order acceleration in Electrical Americas, up 42%, driven by data center momentum, and Electrical Global and Aerospace order growth, up 13% • Strong year-over-year total backlog growth of 48% in Electrical sector and 28% in Aerospace segment • First quarter sales were up 17% with organic sales growth of 10%, above the high end of the 5-7% guidance range • Closed $11 billion of strategic acquisitions in the quarter, including Boyd Thermal and Ultra PCS Limited • For full year 2026, earnings per share expected to be between $10.88 and $11.33, up 6% at the midpoint over 2025, and adjusted earnings per share expected to be between $13.05 and $13.50, up 10% at the midpoint over 2025 DUBLIN — May 5, 2026 — Intelligent power management company Eaton Corporation plc (NYSE:ETN) today announced that first quarter 2026 earnings per share were $2.22. Excluding charges of $0.29 per share related to intangible amortization, $0.22 per share related to acquisitions and divestitures, and $0.08 per share related to a multi-year restructuring program, adjusted earnings per share were $2.81, a first quarter record. Sales in the quarter were $7.5 billion, a record and up