diff --git a/www/conservancy/apps/supporter/views.py b/www/conservancy/apps/supporter/views.py
new file mode 100644
index 0000000000000000000000000000000000000000..cad15e8071a0db88f628cbdeebc4eb961275877b
--- /dev/null
+++ b/www/conservancy/apps/supporter/views.py
@@ -0,0 +1,9 @@
+import conservancy
+
+def index(request):
+    partial_amount = conservancy.param_if_valid(request.GET, 'upgrade', 'upgrade_id', 0)
+    context = {
+        'partial_amount': partial_amount,
+        'minimum_amount': 120 - partial_amount,
+    }
+    return conservancy.render_template_with_context(request, "supporter/index.html", context)