CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-257981, 333-270531, 333-271659, 333-277599 and 333-285455) and Form S-3 (No. 333-276081) of Rapid Micro Biosystems, Inc. of our report dated March 12, 2026 relating to the financial statements, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Boston, Massachusetts

March 12, 2026

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