Canadian Solar Infrastructure Fund, Inc. announced that during the period from December 11, 2023 to December 170, 2023, general power transmission and distribution company 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. 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 designated devices have already been installed (hereinafter referred to as "Installed Power Plant") on the date provided below.

PV Facility: S-29_CS Kama-shi, Solar Module Output: 2.24, Date of Temporary Curtailment Suspension: December 13, 2023, Electric Power service area: Kyushu. PV Facility: S-29_CS Miyako -machi Saigawa, Solar Module Output: 13.01, Date of Temporary Curtailment Suspension: December 13, 2023, Electric Power service area: Kyushu. Disclosure timing of the Temporary Output Curtailment: In principle, CSIF announces the result of temporary output curtailment on Monday (next business day if it is not a business day) if the temporary output curtailment is conducted in previous week (from Monday to Sunday).

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.