diff --git a/composer.json b/composer.json
index 92c3f21..487cd66 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "googleads/data-manager-util",
     "description": "Utilities and code samples for working with the Data Manager API and PHP.",
     "type": "library",
-    "version": "0.1.0",
+    "version": "0.2.0",
     "license": "Apache-2.0",
     "autoload": {
         "psr-4": {
diff --git a/src/Google/Ads/DataManagerUtil/Formatter.php b/src/Google/Ads/DataManagerUtil/Formatter.php
index 8a5d098..6a9e75d 100644
--- a/src/Google/Ads/DataManagerUtil/Formatter.php
+++ b/src/Google/Ads/DataManagerUtil/Formatter.php
@@ -59,6 +59,9 @@ public function formatEmailAddress(string $email): string
             // "Create variations of your email address" at:
             // https://support.google.com/a/users/answer/9282734
 
+            // Removes plus sign (+) and all characters that follow it.
+            $user = explode('+', $user)[0];
+
             // Removes all periods (.).
             $user = str_replace('.', '', $user);
             if (strlen($user) === 0) {
diff --git a/tests/Google/Ads/DataManagerUtil/FormatterTest.php b/tests/Google/Ads/DataManagerUtil/FormatterTest.php
index 7d44427..e9ed4ba 100644
--- a/tests/Google/Ads/DataManagerUtil/FormatterTest.php
+++ b/tests/Google/Ads/DataManagerUtil/FormatterTest.php
@@ -45,6 +45,9 @@ public static function validEmailAddressProvider(): array
             'case normalized domain' => ['QuinnY@EXAMPLE.com', 'quinny@example.com'],
             'periods stripped from gmail.com' => ['Jefferson.Loves.hiking@gmail.com', 'jeffersonloveshiking@gmail.com'],
             'periods stripped from googlemail.com' => ['Jefferson.LOVES.Hiking@googlemail.com', 'jeffersonloveshiking@googlemail.com'],
+            'plus signs not stripped from non-google' => ['user.name+NYC@Example.com', 'user.name+nyc@example.com'],
+            'plus signs stripped from gmail.com' => ['Cloudy.SanFrancisco+shopping@gmail.com', 'cloudysanfrancisco@gmail.com'],
+            'plus signs stripped from googlemail.com' => ['Cloudy.SanFrancisco+shopping@googlemail.com', 'cloudysanfrancisco@googlemail.com'],
         ];
     }