ESS Tech auditor EY declines re-election; material weakness in internal controls remains unremediated

ESS Tech, Inc.

EY declined to stand for re-election as auditor for FY2023; no dispute with the company.
Material weakness in internal controls over financial statement close process remains unremediated as of filing date.
Previously disclosed material weaknesses for FY2021 (R&D, purchase commitments, equity) were remediated.
Company initiated RFP for Big Four auditor; will disclose new firm upon engagement.

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