Constellation Software Inc. announced that the interest rate applicable to the unsecured subordinated floating rate debentures, Series 1 of the Company (the "Debentures") will be reset to 9.9% per annum on March 31, 2022. This new interest rate is equal to the annual average percentage change in the "All-items Consumer Price Index" published by Statistics Canada during the 12 month period ending on December 31, 2021 plus 6.5% and will be reflected in the June 30, 2022 interest payment on the Debentures. The current interest rate of 7.2% will remain in place until March 30, 2022.

The interest rate applicable to the Debentures will continue to be reset on an annual basis on March 31 of each year.