Richardson Electronics Strategic Business Overview

Outlook $200 $150 $100 $50 is 1.60 1.40 1.20 1.00 0.80 0.60 0.40 0.20 Total Company Backlog ($ in millions) FY21 Q3 FY21 Q4 FY22 Q1 FY22 Q2 FY22 Q3 FY21 Q3 Total Company Book-to-Bill FY21 Q4 FY22 Q1 FY22 Q2 FY22 Q3 Investor Presentation | © Richardson Electronics, Ltd. Richardson Electronics • . • Backlog at the end of Q3FY22 was $175.6 million up 19.5% over the second quarter. PMT's backlog increased across numerous product lines, most notably in power management, semiconductor wafer fab, and magnetrons. Canvys backlog at an all-time high. Each of RELL's three business units had higher backlog, driven by strong bookings growth. Six consecutive quarters of a book-to-bill ratio over 1.0 21

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