diff --git a/.github/extensions/external-plugin-review-board/public/app.js b/.github/extensions/external-plugin-review-board/public/app.js
index d06bfc8fa..6cb15e984 100644
--- a/.github/extensions/external-plugin-review-board/public/app.js
+++ b/.github/extensions/external-plugin-review-board/public/app.js
@@ -146,7 +146,7 @@ function findItem(number) {
 
 function pendingReviewCount() {
     return board
-        ? board.items.filter((item) => !item.decision && item.reviewStatus !== "reviewed" && item.reviewStatus !== "queued").length
+        ? board.items.filter((item) => !item.decision && !item.pendingDecision && item.reviewStatus !== "reviewed" && item.reviewStatus !== "queued").length
         : 0;
 }
 
diff --git a/eng/board-bulk-actions.test.mjs b/eng/board-bulk-actions.test.mjs
index 38a751af0..197cf0da4 100644
--- a/eng/board-bulk-actions.test.mjs
+++ b/eng/board-bulk-actions.test.mjs
@@ -127,6 +127,18 @@ for (const boardName of ["open-pr-board", "external-plugin-review-board"]) {
     });
 }
 
+test("external-plugin-review-board: pending review count excludes posted decisions", async () => {
+    const ui = await createUI("external-plugin-review-board", [
+        { number: 1, reviewStatus: "unreviewed" },
+        { number: 2, reviewStatus: "unreviewed", pendingDecision: { kind: "approve" } },
+        { number: 3, reviewStatus: "reviewed" },
+        { number: 4, reviewStatus: "queued" },
+        { number: 5, decision: { kind: "reject" } },
+    ]);
+
+    assert.equal(ui.context.pendingReviewCount(), 1);
+});
+
 test("PR bulk close requires and posts the staged reason", async () => {
     const ui = await createUI("open-pr-board", [{ number: 1, column: "close", review: { suggestedComment: "Duplicate" } }]);
     await ui.context.bulkAction("close", "close");