diff --git a/api/db/changelog/db.changelog-255-backfill-user-initial-credits-expiration.xml b/api/db/changelog/db.changelog-255-backfill-user-initial-credits-expiration.xml
new file mode 100644
index 00000000000..148c82ee25c
--- /dev/null
+++ b/api/db/changelog/db.changelog-255-backfill-user-initial-credits-expiration.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<databaseChangeLog
+        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+                      http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
+    <changeSet author="eric" id="db.changelog-255-backfill-user-initial-credits-expiration">
+        <sql>
+            INSERT INTO user_initial_credits_expiration (user_id, credit_start_time, expiration_time)
+                SELECT ua.user_id, '2025-02-18 00:00:00', '2025-06-18 00:00:00'
+                    FROM user_access_tier AS ua
+                INNER JOIN access_tier AS a
+                    ON ua.access_tier_id = a.access_tier_id
+                WHERE a.short_name ="registered"
+                    AND ua.first_enabled IS NOT NULL
+                    AND ua.user_id NOT IN (SELECT user_id FROM user_initial_credits_expiration);
+        </sql>
+    </changeSet>
+</databaseChangeLog>
diff --git a/api/db/changelog/db.changelog-master.xml b/api/db/changelog/db.changelog-master.xml
index 4eb8280ab4b..5aad48fd10f 100644
--- a/api/db/changelog/db.changelog-master.xml
+++ b/api/db/changelog/db.changelog-master.xml
@@ -262,6 +262,7 @@
   <include file="changelog/db.changelog-252-add-vwb-tier-group-access-tier-table.xml"/>
   <include file="changelog/db.changelog-253-rm-needs-v8-genomic-extraction-workflow.xml"/>
   <include file="changelog/db.changelog-254-remove-initial-credits-expired.xml"/>
+  <include file="changelog/db.changelog-255-backfill-user-initial-credits-expiration.xml"/>
   <!--
    Note: to update the DB locally, do the following:
    - Migrate schema changes: `./project.rb run-local-all-migrations`