Satellos Bioscience Inc. — Regulatory Filings 2023

May 10, 2023

UNDERTAKING

To: Ontario Securities Commission Alberta Securities Commission British Columbia Securities Commission

Re: Final Short Form Prospectus of Satellos Bioscience Inc. (the "Corporation") dated May 9, 2023 (the "Final Prospectus")

In connection with filing of the Final Prospectus, the undersigned hereby undertakes, for and on behalf of the Corporation, that pursuant to subparagraph 4.2(a)(x) and (x.1) of National Instrument 44-101 — Short Form Prospectus Distributions (" NI 44-101 "), the Corporation will file:

• i. any document affecting the rights of securityholders described under subparagraph 4.2(a)(iii) of NI 44-101; and

• ii. any material contract required to be filed under subparagraph 4.2(a)(iii.1) of NI 44-101,

in each case that has not been previously filed, promptly and in any event within seven (7) days after the execution of the document or material contract or after the document becomes effective, as applicable.

[ Signature Page Follows ]

DATED as of May 9, 2023.

SATELLOS BIOSCIENCE INC.

By: (signed) "Frank Gleeson" Frank Gleeson President, Chief Executive Officer and Director