Biostage replaces auditor RSM with Wei, Wei & Co. effective July 6, 2021

Harvard Apparatus Regenerative Technology, Inc.

RSM US LLP notified Biostage on May 25, 2021 that client-auditor relationship ceased.
Audit Committee engaged Wei, Wei & Co., LLP as new independent auditor on July 6, contingent on client acceptance.
No consultations with Wei on accounting principles or disagreements/reportable events occurred.

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