X0306 4 2021-04-20 0 0001819974 SkyWater Technology, Inc SKYT 0001856706 Yang Khoua 2401 EAST 86TH STREET BLOOMINGTON MN 55425 0 1 0 0 VP of Finance Common Stock 2021-04-21 4 A 0 12341 0.00 A 165309 D Common Stock 2021-04-21 4 A 0 3013 0.00 A 168322 D Options to Acquire Common Stock 14.00 2021-04-20 4 A 0 10442 0.00 A 2022-07-20 Common Stock 10442 10442 D Options to Acquire Common Stock 14.00 2021-04-20 4 A 0 6550 0.00 A 2031-04-20 Common Stock 6550 6550 D Represents a grant of restricted stock units ("RSUs"). The RSUs vest in full on the first anniversary of the grant date contingent on the reporting person's continuation in service on such vesting date. Represents a grant of RSUs. The RSUs 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 in full on the first anniversary of the grant date contingent on the reporting person's continuation in service on such 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