Canadian Solar Infrastructure Fund, Inc. announced that during the period from September 18, 2023 to September 24, 2023, general power transmission and distribution company (hereinafter referred to as "GPTD") conducted its temporary curtailment on renewable energy output under the Renewable Energy Act, pursuant to which electric utility operators are able to suspend energy procurement without compensation for a certain period. Canadian Solar Infrastructure Fund, Inc. (hereinafter referred to as the "Fund" or "CSIF") hereby provides further update on the impact to the Fund's assets during this period. CSIF PV Plant affected by this Curtailment: Based on the notification by GPTD in each area, energy generation from the Fund's PV Power Plant was temporarily suspended from 8:00am to 4:00 pm by Canadian Solar O&M Japan K.K. which is O&M operator of CSIF for those power plants for which remote-controlled curtailment (Note) devices have not been installed yet (hereinafter referred to as "Not-installed Power Plant) and also the Fund's PV Power Plant was temporarily suspended for certain time slots by GPTD for those power plants for which designated devices have already been installed (hereinafter referred to as "Installed Power Plant") on the date provided below.

CSIF additionally notifies that output curtailment was implemented on September 3, 9, and 10, 2023 at the S-28 Kama-shi Power Plant. Disclosure timing of the Temporary Output Curtailment: In principle, CSIF announces the result of temporary output curtailment (next business day if it is not a business day) if the temporary output curtailment is conducted in previous week. Regarding The Financial Impact of the Curtailment during the Month being announced monthly basis in the middle of next month for the purpose of providing more accurate information.

This is caused of that Canadian Solar O&M Japan K.K., the O&M operator for CSIF aggregates of detailed on the time slots the curtailment conducted for the Installed Power Plant and the substantial suspended energy output for those power plant.