Exhibit 99.1 Investor Contact: Robert Lahey robert.lahey@maxeon.com +1 (202) 246-1872 Media Contact: Anna Porta anna.porta@maxeon.com +39 345 7706205 Maxeon Solar Technologies Announces First Quarter 2023 Financial Results --$54 Million Non-GAAP Gross Margin, $31 Million Adjusted EBITDA-- --2023 Adjusted EBITDA Guidance Increased to $95 to $120 Million-- Singapore, May 11, 2023 – Maxeon Solar Technologies, Ltd. (NASDAQ:MAXN) (“Maxeon” or “the Company”), a global leader in solar innovation and channels, toda ...