X0306 4 2021-04-20 0 0001819974 SkyWater Technology, Inc SKYT 0001856680 Manko Steve 2401 EAST 86TH STREET BLOOMINGTON MN 55425 0 1 0 0 CFO Common Stock 2021-04-21 4 A 0 16875 0.00 A 554309 D Options to Acquire Common Stock 14.00 2021-04-20 4 A 0 36685 0.00 A 2031-04-20 Common Stock 36685 36685 D Represents a grant of restricted stock units. The restricted stock units vest ratably on each of the first, second and third anniversaries of the grant date contingent on the reporting person's continuation in service on each applicable vesting date. The options vest ratably on each of the first, second, third and fourth anniversaries of the grant date contingent on the reporting person's continuation in service on each applicable vesting date. /s/ Jason Stokes, Attorney-in-Fact 2021-04-22