diff --git a/src/registrar/migrations/0043_domain_expiration_date.py b/src/registrar/migrations/0043_domain_expiration_date.py
new file mode 100644
index 000000000..51d2d384a
--- /dev/null
+++ b/src/registrar/migrations/0043_domain_expiration_date.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.2.6 on 2023-10-27 19:13
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("registrar", "0042_create_groups_v03"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="domain",
+            name="expiration_date",
+            field=models.DateField(
+                help_text="Duplication of registry's expiration date saved for ease of reporting",
+                null=True,
+            ),
+        ),
+    ]
diff --git a/src/registrar/models/domain.py b/src/registrar/models/domain.py
index 942647ef1..344ef5a00 100644
--- a/src/registrar/models/domain.py
+++ b/src/registrar/models/domain.py
@@ -5,6 +5,7 @@ import re
 from datetime import date
 from string import digits
 from typing import Optional
+
 from django_fsm import FSMField, transition, TransitionNotAllowed  # type: ignore
 
 from django.db import models
@@ -29,6 +30,7 @@ from epplibwrapper import (
 
 from registrar.models.utility.contact_error import ContactError, ContactErrorCodes
 
+from django.db.models import DateField
 from .utility.domain_field import DomainField
 from .utility.domain_helper import DomainHelper
 from .utility.time_stamped_model import TimeStampedModel
@@ -209,12 +211,12 @@ class Domain(TimeStampedModel, DomainHelper):
         return self._get_property("up_date")
 
     @Cache
-    def expiration_date(self) -> date:
+    def registry_expiration_date(self) -> date:
         """Get or set the `ex_date` element from the registry."""
         return self._get_property("ex_date")
 
-    @expiration_date.setter  # type: ignore
-    def expiration_date(self, ex_date: date):
+    @registry_expiration_date.setter  # type: ignore
+    def registry_expiration_date(self, ex_date: date):
         pass
 
     @Cache
@@ -944,6 +946,13 @@ class Domain(TimeStampedModel, DomainHelper):
         help_text="Very basic info about the lifecycle of this domain object",
     )
 
+    expiration_date = DateField(
+        null=True,
+        help_text=(
+            "Duplication of registry's expiration" "date saved for ease of reporting"
+        ),
+    )
+
     def isActive(self):
         return self.state == Domain.State.CREATED
 
diff --git a/src/registrar/templates/domain_users.html b/src/registrar/templates/domain_users.html
index f66eef5a6..7d522a515 100644
--- a/src/registrar/templates/domain_users.html
+++ b/src/registrar/templates/domain_users.html
@@ -12,11 +12,13 @@
   email, and DNS name servers.
   </p>
 
-  <ul>
+  <ul class="usa-list">
     <li>There is no limit to the number of domain managers you can add.</li>
     <li>After adding a domain manager, an email invitation will be sent to that user with
       instructions on how to set up an account.</li>
-    <li>To remove a domain manager, <a href="{% public_site_url 'contact/' %}" class="usa-link">contact us</a> for assistance.
+    <li>To remove a domain manager, <a href="{% public_site_url 'contact/' %}"
+      target="_blank" rel="noopener noreferrer" class="usa-link">contact us</a> for
+      assistance.</li>
   </ul>
 
   {% if domain.permissions %}
diff --git a/src/registrar/tests/test_models_domain.py b/src/registrar/tests/test_models_domain.py
index 1d87c6b1c..c6b2b7ce9 100644
--- a/src/registrar/tests/test_models_domain.py
+++ b/src/registrar/tests/test_models_domain.py
@@ -56,7 +56,7 @@ class TestDomainCache(MockEppLib):
         self.assertFalse("avail" in domain._cache.keys())
 
         # using a setter should clear the cache
-        domain.expiration_date = datetime.date.today()
+        domain.registry_expiration_date = datetime.date.today()
         self.assertEquals(domain._cache, {})
 
         # send should have been called only once