RRSP (personal) are not considered earning for EI purposes. If it is a private RRSP that you paid into, you do not have to report it. See here: https://www.canada.ca/en/services/benef ... l#Pensions
Income Tax refunds are not considered earnings for EI purposes. You do not have to report any income tax refunds.
Group Pensions plans from a job typically are considered earnings for EI purposes. Monies received from it must be reported on your reports.