diff --git a/app/code/community/THB/ABTest/Model/Observer.php b/app/code/community/THB/ABTest/Model/Observer.php
index 2e6bcdd..2b03335 100644
--- a/app/code/community/THB/ABTest/Model/Observer.php
+++ b/app/code/community/THB/ABTest/Model/Observer.php
@@ -155,6 +155,27 @@ public function conversion_wishlist_add_product($observer)
         }
     }
 
+    /**
+     * Registers a conversion when a visitor subscribes to the newsletter
+     *
+     */
+    public function conversion_newsletter_subscribe($observer)
+    {
+        # This runs every time a visitor subscribes, regardless of whether or not
+        # an AB test is running.
+        if ( ! Mage::helper('abtest')->isRunning())
+            return;
+
+        if ($variations = Mage::helper('abtest/visitor')->getVariationsFromObserver($observer->getEvent()->getName(), 'observer_conversion'))
+        {
+            foreach ($variations as $variation)
+            {
+                # Get our table name for variations and update the row information
+                $this->_register_conversion($variation, 0); // send 0 price value for conversion
+            }
+        }
+    }
+
     /**
      * Registers a conversion when a product is sent to a friend
      *
diff --git a/app/code/community/THB/ABTest/etc/config.xml b/app/code/community/THB/ABTest/etc/config.xml
index 94525af..e538a16 100755
--- a/app/code/community/THB/ABTest/etc/config.xml
+++ b/app/code/community/THB/ABTest/etc/config.xml
@@ -211,6 +211,16 @@
 				</observers>
 			</wishlist_add_product>
 
+            <newsletter_subscriber_save_commit_after>
+                <observers>
+                    <abtest>
+                        <type>singleton</type>
+                        <class>abtest/observer</class>
+                        <method>conversion_newsletter_subscribe</method>
+                    </abtest>
+                </observers>
+            </newsletter_subscriber_save_commit_after>
+
 			<sendfriend_product>
 				<observers>
 					<abtest>
diff --git a/app/design/adminhtml/default/default/template/abtest/form/settings.phtml b/app/design/adminhtml/default/default/template/abtest/form/settings.phtml
index 10707e2..d61d150 100644
--- a/app/design/adminhtml/default/default/template/abtest/form/settings.phtml
+++ b/app/design/adminhtml/default/default/template/abtest/form/settings.phtml
@@ -115,6 +115,7 @@
                         <optgroup label="Action">
                         <option <?php if ($this->getTest()->getObserverConversion() == "checkout_cart_add_product_complete") echo 'selected="selected"'; ?>value="checkout_cart_add_product_complete">Added product to cart</option>
                         <option <?php if ($this->getTest()->getObserverConversion() == "wishlist_add_product") echo 'selected="selected"'; ?>value="wishlist_add_product">Added product to wishlist</option>
+                        <option <?php if ($this->getTest()->getObserverConversion() == "newsletter_subscriber_save_commit_after") echo 'selected="selected"'; ?>value="newsletter_subscriber_save_commit_after">Visitor Subscribed to newsletter</option>
                         <option <?php if ($this->getTest()->getObserverConversion() == "checkout_onepage_controller_success_action") echo 'selected="selected"'; ?>value="checkout_onepage_controller_success_action">Completed checkout (purchased via one-page checkout)</option>
                         <option <?php if ($this->getTest()->getObserverConversion() == "sendfriend_product") echo 'selected="selected"'; ?>value="sendfriend_product">Sent product to friend</option>
                         </optgroup>