Exhibit 99.1 Marvell Technology, Inc. Reports Second Quarter of Fiscal Year 2026 Financial Results GAAP diluted EPS is calculated using basic weighted-average shares outstanding when there is a GAAP net loss, and calculated using diluted weighted-average shares outstanding when there is a GAAP net income. Non-GAAP diluted EPS is calculated using diluted weighted-average shares outstanding. • Q2 Net Revenue: $2.006 billion, a new record, grew by 58% year-on-year • Q2 Gross Margin: 50.4% GAAP gross margin; 59 ...