Silvaco appoints Baker Tilly as auditor after Moss Adams merger; no prior disagreements

Silvaco Group, Inc.

Moss Adams merged into Baker Tilly effective June 3, 2025; Moss Adams resigned as auditor.
Audit Committee approved Baker Tilly as successor on July 8, 2025 for FY2025.
Baker Tilly affiliate provided prohibited non-attest services (tax provision, software support) but those were terminated pre- or post-merger.
No disagreements or reportable events with Moss Adams; material weakness in ICFR previously reported in 10-K.
Moss Adams provided letter agreeing with company's statements, filed as Exhibit 16.1.

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