diff --git a/src/contentScripts/communityConsole/extraInfo/injections/threadList.js b/src/contentScripts/communityConsole/extraInfo/injections/threadList.js
new file mode 100644
index 0000000..c4e807c
--- /dev/null
+++ b/src/contentScripts/communityConsole/extraInfo/injections/threadList.js
@@ -0,0 +1,71 @@
+import {MDCTooltip} from '@material/tooltip';
+
+import {parseUrl} from '../../../../common/commonUtils.js';
+import {createExtBadge} from '../../utils/common.js';
+import {kItemMetadataState, kItemMetadataStateI18n} from '../consts.js';
+import ThreadExtraInfoService from '../services/thread.js';
+
+import BaseExtraInfoInjection from './base.js';
+
+export default class ThreadListExtraInfoInjection extends
+    BaseExtraInfoInjection {
+  getInjectionDetails(li) {
+    const headerContent = li.querySelector(
+        'ec-thread-summary .main-header .header a.header-content');
+    if (headerContent === null) {
+      throw new Error(
+          `extraInfo: Header is not present in the thread item's DOM.`);
+    }
+
+    const threadInfo = parseUrl(headerContent.href);
+    if (threadInfo === false)
+      throw new Error(`extraInfo: Thread's link cannot be parsed.`);
+
+    return {
+      li,
+      threadInfo,
+      isExpanded: false,
+    };
+  }
+
+  inject(threads, injectionDetails) {
+    const thread = ThreadExtraInfoService.getThreadFromThreadList(
+        threads, injectionDetails.threadInfo);
+
+    const state = thread?.['2']?.['12']?.['1'];
+    if (!state || [1, 13, 18, 9].includes(state)) return;
+
+    const [label, badgeTooltip] = this.createLabelElement(state);
+    const authorLine = this.getAuthorLine(injectionDetails.li);
+    authorLine.prepend(label);
+
+    new MDCTooltip(badgeTooltip);
+  }
+
+  createLabelElement(state) {
+    const label = document.createElement('div');
+    label.classList.add('TWPT-label');
+
+    const [badge, badgeTooltip] = createExtBadge();
+
+    let span = document.createElement('span');
+    const stateI18nKey =
+        'inject_extrainfo_message_state_' + kItemMetadataStateI18n[state];
+    span.textContent = chrome.i18n.getMessage(stateI18nKey) ?? state;
+    span.title = kItemMetadataState[state] ?? state;
+
+    label.append(badge, span);
+
+    return [label, badgeTooltip];
+  }
+
+  getAuthorLine(li) {
+    const authorLine = li.querySelector(
+        'ec-thread-summary .header-content .top-row .author-line');
+    if (!authorLine) {
+      throw new Error(
+          `extraInfo: Author line is not present in the thread item's DOM.`);
+    }
+    return authorLine;
+  }
+}