diff --git a/tools/cldr-apps/js/src/views/AnnounceForm.vue b/tools/cldr-apps/js/src/views/AnnounceForm.vue
index 2a49e0a0da8..e129121a27e 100644
--- a/tools/cldr-apps/js/src/views/AnnounceForm.vue
+++ b/tools/cldr-apps/js/src/views/AnnounceForm.vue
@@ -16,6 +16,9 @@
       <a-radio-group v-model:value="formState.orgs">
         <a-radio value="Mine" title="Only your own organization">Mine</a-radio>
         <a-radio value="TC" title="All TC organizations">TC Orgs</a-radio>
+        <a-radio value="NonTC" title="Non-TC organizations"
+          >Non-TC Orgs</a-radio
+        >
         <a-radio value="All" title="All organizations">All</a-radio>
       </a-radio-group>
     </a-form-item>
@@ -42,7 +45,7 @@
     <a-form-item class="formItems" label="Locales" name="locs">
       <a-input
         v-model:value="formState.locs"
-        placeholder="Optional list of locales (like: aa fr zh) (fr implies fr_CA/etc.) (empty for all locales)"
+        placeholder="Optional list of locales (like: aa fr zh) (fr implies fr_CA/etc.) (empty for all locales, '!' for non-TC)"
         @blur="validateLocales()"
       />
     </a-form-item>
@@ -158,6 +161,8 @@ export default defineComponent({
           return "all organizations";
         case "TC":
           return "TC organizations";
+        case "NonTC":
+          return "Non-TC organizations";
         case "Mine":
           return "your organization only";
         default:
@@ -166,12 +171,14 @@ export default defineComponent({
     },
 
     describeLocs() {
+      if (this.formState.locs === "!") return "Non-TC locales";
       return this.formState.locs === "" || this.formState.locs === "*"
         ? "all locales"
         : "the following locale(s): " + this.formState.locs;
     },
 
     validateLocales() {
+      if (this.formState.locs === "!") return;
       cldrAnnounce.combineAndValidateLocales(
         this.formState.locs,
         this.updateValidatedLocales
diff --git a/tools/cldr-apps/js/src/views/AnnouncePost.vue b/tools/cldr-apps/js/src/views/AnnouncePost.vue
index 4f02d270ced..bffb6430f55 100644
--- a/tools/cldr-apps/js/src/views/AnnouncePost.vue
+++ b/tools/cldr-apps/js/src/views/AnnouncePost.vue
@@ -12,9 +12,7 @@
       <section class="announcementToFrom">
         To: {{ announcement.audience }} •
         {{ "Organization(s): " + announcement.orgs }} •
-        {{
-          announcement.locs ? "Locale(s): " + announcement.locs : "All locales"
-        }}
+        {{ localeText }}
       </section>
       <section class="announcementSubject">
         {{ announcement.subject }}
@@ -50,6 +48,11 @@ export default {
         .replaceAll("\n", "\n<br>\n")
         .replaceAll(/(http\S+)/g, "<a href='$1'>$1</a>");
     },
+    localeText() {
+      if (!this.announcement.locs) return "All locales";
+      if (this.announcement.locs === "!") return "DDL Locales";
+      return "Locale(s): " + this.announcement.locs;
+    },
   },
 };
 </script>
diff --git a/tools/cldr-apps/src/main/java/org/unicode/cldr/web/AnnouncementData.java b/tools/cldr-apps/src/main/java/org/unicode/cldr/web/AnnouncementData.java
index 061a74b921b..1682fae02ab 100644
--- a/tools/cldr-apps/src/main/java/org/unicode/cldr/web/AnnouncementData.java
+++ b/tools/cldr-apps/src/main/java/org/unicode/cldr/web/AnnouncementData.java
@@ -2,10 +2,11 @@
 
 import com.ibm.icu.dev.util.ElapsedTimer;
 import java.sql.*;
-import java.sql.Timestamp;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.stream.Collectors;
+import org.unicode.cldr.test.SubmissionLocales;
 import org.unicode.cldr.util.*;
 import org.unicode.cldr.web.api.Announcements;
 
@@ -148,6 +149,7 @@ private static void emailNotify(
         }
         String subject = "CLDR Survey Tool announcement: " + request.subject;
         String locs = (request.locs == null || request.locs.isEmpty()) ? "All" : request.locs;
+        if (locs.equals(Announcements.LOCS_NON_TC)) locs = "(DDL Locales)";
         String body =
                 "From: "
                         + poster.name
@@ -223,7 +225,16 @@ private static void addRecipientIfPasses(
         AnnouncementFilter aFilter = new AnnouncementFilter(user);
         Announcements.Announcement a =
                 new Announcements.Announcement(0, poster.id, null, null, null);
-        a.setFilters(request.locs, request.orgs, request.audience);
+        String filterLocs = request.locs;
+        if (filterLocs != null && filterLocs.equals(Announcements.LOCS_NON_TC)) {
+            // expand the filter
+            filterLocs =
+                    SurveyMain.getLocalesSet().stream()
+                            .filter(loc -> !SubmissionLocales.isTcLocale(loc))
+                            .map(l -> l.getBaseName())
+                            .collect(Collectors.joining(" "));
+        }
+        a.setFilters(filterLocs, request.orgs, request.audience);
         if (aFilter.passes(a)) {
             logger.fine("In AnnouncementData.addRecipientIfPasses, adding recipient: " + user.id);
             recipients.add(user.id);
@@ -470,6 +481,8 @@ private boolean matchOrg(String orgs, int posterId) {
                 return true;
             } else if (Announcements.ORGS_TC.equals(orgs)) {
                 return user.getOrganization().isTCOrg();
+            } else if (Announcements.ORGS_NON_TC.equals(orgs)) {
+                return !user.getOrganization().isTCOrg();
             } else if (Announcements.ORGS_MINE.equals(orgs)) {
                 UserRegistry.User posterUser = CookieSession.sm.reg.getInfo(posterId);
                 return posterUser != null && posterUser.isSameOrg(user);
diff --git a/tools/cldr-apps/src/main/java/org/unicode/cldr/web/api/Announcements.java b/tools/cldr-apps/src/main/java/org/unicode/cldr/web/api/Announcements.java
index 1688aefb68e..6d2af1b6713 100644
--- a/tools/cldr-apps/src/main/java/org/unicode/cldr/web/api/Announcements.java
+++ b/tools/cldr-apps/src/main/java/org/unicode/cldr/web/api/Announcements.java
@@ -26,14 +26,17 @@ public class Announcements {
 
     public static final String ORGS_MINE = "Mine";
     public static final String ORGS_TC = "TC";
+    public static final String ORGS_NON_TC = "NonTC";
     public static final String ORGS_ALL = "All";
 
+    public static final String LOCS_NON_TC = "!";
+
     private static final Set<String> validAudiences =
             new HashSet<>(
                     Arrays.asList(
                             AUDIENCE_TC, AUDIENCE_MANAGERS, AUDIENCE_VETTERS, AUDIENCE_EVERYONE));
     private static final Set<String> validOrgs =
-            new HashSet<>(Arrays.asList(ORGS_MINE, ORGS_TC, ORGS_ALL));
+            new HashSet<>(Arrays.asList(ORGS_MINE, ORGS_NON_TC, ORGS_TC, ORGS_ALL));
 
     @GET
     @Produces(MediaType.APPLICATION_JSON)
@@ -250,7 +253,7 @@ public boolean isValid() {
         }
 
         public void normalize() {
-            if (locs != null) {
+            if (locs != null && !locs.equals(LOCS_NON_TC)) {
                 String normalized = LocaleNormalizer.normalizeQuietly(locs);
                 LocaleSet locSet = LocaleNormalizer.setFromStringQuietly(normalized, null);
                 LocaleSet langSet = locSet.combineRegionalVariants();