Releases Details

MaxCyte, Inc.

("MaxCyte" or the "Company")

Total Voting Rights

Gaithersburg, Maryland - 1 April 2022:   MaxCyte (LSE: MXCT), a leading commercial cell-engineering company focused on providing enabling platform technologies to advance innovative cell-based research as well as next-generation cell therapeutic discovery, development and commercialization, announces that pursuant to its block admission facility, it has recently issued 222,900 of common stock, $0.01 par, of the Company ("Common Stock") in satisfaction of the exercise of share options. The new Common Stock will rank pari passu with the existing shares of common stock of the Company.

As of 31 March 2022, the total issued stock capital of the Company following the recent issue of the new Common Stock is 101,509,892 shares of Common Stock. Shareholders in the Company may use this figure as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the stock capital of the Company.

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About MaxCyte

MaxCyte is a leading commercial cell-engineering company focused on providing enabling platform technologies to advance innovative cell-based research as well as next-generation cell therapeutic discovery, development and commercialization. Over the past 20 years, we have developed and commercialized our proprietary Flow Electroporation® platform, which facilitates complex engineering of a wide variety of cells. Our ExPERT™ platform, which is based on our Flow Electroporation technology, has been designed to support the rapidly expanding cell therapy market and can be utilized across the continuum of the high-growth cell therapy sector, from discovery and development through commercialization of next-generation, cell-based medicines. The ExPERT family of products includes: three instruments, the ATx™, STx™ and GTx™; a portfolio of proprietary related processing assemblies or disposables; and software protocols, all supported by a robust worldwide intellectual property portfolio.