diff --git a/react/exceptions.py b/react/exceptions.py
index 4253253..8fc1197 100644
--- a/react/exceptions.py
+++ b/react/exceptions.py
@@ -7,4 +7,4 @@ class ReactRenderingError(Exception):
 
 
 class RenderServerError(Exception):
-    pass
\ No newline at end of file
+    pass
diff --git a/react/render.py b/react/render.py
index 447c340..08ae918 100644
--- a/react/render.py
+++ b/react/render.py
@@ -4,7 +4,7 @@
 from .render_server import render_server
 
 
-def render_component(path, props=None, to_static_markup=False, renderer=render_server, request_headers=None, timeout=None):
+def render_component(path, props=None, to_static_markup=False, renderer=render_server, request_headers=None, timeout=None, extra_data: dict=None):
     if not os.path.isabs(path):
         abs_path = staticfiles.find(path)
         if not abs_path:
@@ -14,4 +14,4 @@ def render_component(path, props=None, to_static_markup=False, renderer=render_s
     if not os.path.exists(path):
         raise ComponentSourceFileNotFound(path)
 
-    return renderer.render(path, props, to_static_markup, request_headers, timeout=timeout)
+    return renderer.render(path, props, to_static_markup, request_headers, timeout=timeout, extra_data=extra_data)
diff --git a/react/render_server.py b/react/render_server.py
index 2cecaa2..9e8fd8e 100644
--- a/react/render_server.py
+++ b/react/render_server.py
@@ -8,9 +8,11 @@
 
 
 class RenderedComponent(object):
-    def __init__(self, markup, props):
+    def __init__(self, markup, props, css=None, extra_data: dict={}):
         self.markup = markup
         self.props = props
+        self.css = css
+        self.extra_data = extra_data
 
     def __str__(self):
         return self.markup
@@ -20,7 +22,7 @@ def __unicode__(self):
 
 
 class RenderServer(object):
-    def render(self, path, props=None, to_static_markup=False, request_headers=None, timeout=None):
+    def render(self, path: str, props: dict=None, to_static_markup: bool=False, request_headers=None, timeout=None, extra_data: dict={}):
         url = conf.settings.RENDER_URL
 
         if props is not None:
@@ -34,10 +36,12 @@ def render(self, path, props=None, to_static_markup=False, request_headers=None,
         options = {
             'path': path,
             'serializedProps': serialized_props,
-            'toStaticMarkup': to_static_markup
+            'toStaticMarkup': to_static_markup,
+            'extraData': extra_data
         }
         serialized_options = json.dumps(options)
-        options_hash = hashlib.sha1(serialized_options.encode('utf-8')).hexdigest()
+        options_hash = hashlib.sha1(
+            serialized_options.encode('utf-8')).hexdigest()
 
         all_request_headers = {'content-type': 'application/json'}
 
@@ -58,29 +62,35 @@ def render(self, path, props=None, to_static_markup=False, request_headers=None,
                 timeout=timeout
             )
         except requests.ConnectionError:
-            raise RenderServerError('Could not connect to render server at {}'.format(url))
+            raise RenderServerError(
+                'Could not connect to render server at {}'.format(url))
 
         if res.status_code != 200:
             raise RenderServerError(
-                'Unexpected response from render server at {} - {}: {}'.format(url, res.status_code, res.text)
+                'Unexpected response from render server at {} - {}: {}'.format(
+                    url, res.status_code, res.text)
             )
 
         obj = res.json()
 
         markup = obj.get('markup', None)
         err = obj.get('error', None)
+        css = obj.get('css', None)
+        extra_data = obj.get('extra_data', {})
 
         if err:
             if 'message' in err and 'stack' in err:
                 raise ReactRenderingError(
-                    'Message: {}\n\nStack trace: {}'.format(err['message'], err['stack'])
+                    'Message: {}\n\nStack trace: {}'.format(
+                        err['message'], err['stack'])
                 )
             raise ReactRenderingError(err)
 
         if markup is None:
-            raise ReactRenderingError('Render server failed to return markup. Returned: {}'.format(obj))
+            raise ReactRenderingError(
+                'Render server failed to return markup. Returned: {}'.format(obj))
 
-        return RenderedComponent(markup, serialized_props)
+        return RenderedComponent(markup, serialized_props, css, extra_data)
 
 
 render_server = RenderServer()