diff --git a/lib/exchanger.rb b/lib/exchanger.rb
index 3c0ccc0..4833b93 100644
--- a/lib/exchanger.rb
+++ b/lib/exchanger.rb
@@ -25,6 +25,8 @@
 require "exchanger/elements/single_recipient"
 require "exchanger/elements/attendee"
 require "exchanger/elements/complete_name"
+require "exchanger/elements/address"
+require "exchanger/elements/room"
 # Entry elements
 require "exchanger/elements/entry"
 require "exchanger/elements/email_address"
@@ -64,6 +66,7 @@
 require "exchanger/operations/resolve_names"
 require "exchanger/operations/expand_dl"
 require "exchanger/operations/get_user_availability"
+require "exchanger/operations/get_room_lists"
 
 module Exchanger
   NS = {
diff --git a/lib/exchanger/elements/address.rb b/lib/exchanger/elements/address.rb
new file mode 100644
index 0000000..e7775f1
--- /dev/null
+++ b/lib/exchanger/elements/address.rb
@@ -0,0 +1,12 @@
+module Exchanger
+  # The Address element represents a fully resolved e-mail address
+  #
+  # http://msdn.microsoft.com/en-us/library/dd899404(v=exchg.150).aspx
+  class Address < Element
+    element :name, :type => String
+    element :email_address, :type => String
+    element :routing_type, :type => String
+    element :mailbox_type, :type => String
+  end
+
+end
diff --git a/lib/exchanger/elements/room.rb b/lib/exchanger/elements/room.rb
new file mode 100644
index 0000000..e4af456
--- /dev/null
+++ b/lib/exchanger/elements/room.rb
@@ -0,0 +1,9 @@
+module Exchanger
+  # The Room element represents a meeting room
+  #
+  # http://msdn.microsoft.com/en-us/library/dd899479(v=exchg.150).aspx
+  class Room < Element
+    element :id, :type => Address
+  end
+
+end
diff --git a/lib/exchanger/operations/get_room_lists.rb b/lib/exchanger/operations/get_room_lists.rb
new file mode 100644
index 0000000..488ff51
--- /dev/null
+++ b/lib/exchanger/operations/get_room_lists.rb
@@ -0,0 +1,35 @@
+module Exchanger
+  # GetRoomLists operation
+  # 
+  # http://msdn.microsoft.com/en-us/library/dd899416(v=exchg.150).aspx
+
+  class GetRoomLists < Operation
+    class Request < Operation::Request
+      def to_xml
+        Nokogiri::XML::Builder.new do |xml|
+           xml.send("soap:Envelope", "xmlns:xsi" => NS["xsi"],
+                    "xmlns:xsd" => NS["xsd"], "xmlns:soap" => NS["soap"],
+                    "xmlns:t" => NS["t"], "xmlns:m" => NS["m"]) do
+             xml.send("soap:Header") do
+               xml.send("t:RequestServerVersion", "Version" => 'Exchange2010_SP1')
+             end
+             xml.send("soap:Body") do
+               xml.send("m:GetRoomLists")
+             end
+           end
+        end
+      end
+    end   
+          
+    class Response < Operation::Response
+      def items
+        to_xml.xpath(".//m:RoomLists", NS).children.map do |node|
+          item_klass = Exchanger.const_get(node.name)
+          item_klass.new_from_xml(node)
+        end
+      end
+    end
+  
+  end               
+
+end
diff --git a/spec/exchanger/get_room_lists_spec.rb b/spec/exchanger/get_room_lists_spec.rb
new file mode 100644
index 0000000..797fcbb
--- /dev/null
+++ b/spec/exchanger/get_room_lists_spec.rb
@@ -0,0 +1,26 @@
+require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
+
+describe Exchanger::GetRoomLists do
+
+  before do
+    @response = VCR.use_cassette('get_room_lists') do
+      Exchanger::GetRoomLists.run(@valid_attributes)
+    end
+    @items = @response.items
+  end
+
+  it "should be sucessfull with default values" do
+    VCR.use_cassette('get_room_lists_default') do
+      Exchanger::GetRoomLists.run().status.should == 200
+    end
+  end
+
+  it "should be sucessfull with valid data" do
+    @response.status.should == 200
+  end
+
+  it "should response have Room items" do
+    @items.all?{ |i| i.class.name == "Exchanger::Room" }.should be_true
+  end
+
+end