Hello there,

To export the pricelist, go to
Sales→Products→Pricelists

Select the pricelist & click the action to export.
Here, you need to the column, you want to export as seen below,

If you want to know which column represents which value, then Get into a pricelist and click the list rec line in the "Sales Prices" tab.

After activating the developer mode, hover the mouse near the "?" /  field. To know the field and tech name.

After this, select the column as you want & export it.
Result: