diff --git a/modules/ixBidAdapter.js b/modules/ixBidAdapter.js
index e791d933352..06f96edca30 100644
--- a/modules/ixBidAdapter.js
+++ b/modules/ixBidAdapter.js
@@ -195,6 +195,9 @@ function bidToVideoImp(bid) {
   // populate imp level transactionId
   imp.ext.tid = deepAccess(bid, 'ortb2Imp.ext.tid');
 
+  // AdUnit-Specific First Party Data
+  addAdUnitFPD(imp, bid)
+
   // copy all video properties to imp object
   for (const adUnitProperty in videoAdUnitRef) {
     if (VIDEO_PARAMS_ALLOW_LIST.indexOf(adUnitProperty) !== -1 && !imp.video.hasOwnProperty(adUnitProperty)) {
@@ -268,6 +271,9 @@ function bidToNativeImp(bid) {
   // populate imp level transactionId
   imp.ext.tid = deepAccess(bid, 'ortb2Imp.ext.tid');
 
+  // AdUnit-Specific First Party Data
+  addAdUnitFPD(imp, bid)
+
   _applyFloor(bid, imp, NATIVE);
 
   return imp;
@@ -956,6 +962,11 @@ function addImpressions(impressions, transactionIds, r, adUnitIndex) {
       _bannerImpression.bidfloorcur = impressionObjects[0].bidfloorcur;
     }
 
+    const adUnitFPD = impressions[transactionIds[adUnitIndex]].adUnitFPD
+    if (adUnitFPD) {
+      _bannerImpression.ext.data = adUnitFPD;
+    }
+
     r.imp.push(_bannerImpression);
   } else {
     // set imp.ext.gpid to resolved gpid for each imp
@@ -1011,6 +1022,19 @@ function addFPD(bidderRequest, r, fpd, site, user) {
   return r;
 }
 
+/**
+ * Adds First-Party Data (FPD) from the bid object to the imp object.
+ *
+ * @param {Object} imp - The imp object, representing an impression in the OpenRTB format.
+ * @param {Object} bid - The bid object, containing information about the bid request.
+ */
+function addAdUnitFPD(imp, bid) {
+  const adUnitFPD = deepAccess(bid, 'ortb2Imp.ext.data');
+  if (adUnitFPD) {
+    deepSetValue(imp, 'ext.data', adUnitFPD)
+  }
+}
+
 /**
  * addIdentifiersInfo adds indentifier info to ixDaig.
  *
@@ -1196,6 +1220,12 @@ function createBannerImps(validBidRequest, missingBannerSizes, bannerImps) {
   bannerImps[validBidRequest.transactionId].tagId = deepAccess(validBidRequest, 'params.tagId');
   bannerImps[validBidRequest.transactionId].pos = deepAccess(validBidRequest, 'mediaTypes.banner.pos');
 
+  // AdUnit-Specific First Party Data
+  const adUnitFPD = deepAccess(validBidRequest, 'ortb2Imp.ext.data');
+  if (adUnitFPD) {
+    bannerImps[validBidRequest.transactionId].adUnitFPD = adUnitFPD;
+  }
+
   const sid = deepAccess(validBidRequest, 'params.id');
   if (sid && (typeof sid === 'string' || typeof sid === 'number')) {
     bannerImps[validBidRequest.transactionId].sid = String(sid);
diff --git a/test/spec/modules/ixBidAdapter_spec.js b/test/spec/modules/ixBidAdapter_spec.js
index 8ea3b9dc522..149c4c44c21 100644
--- a/test/spec/modules/ixBidAdapter_spec.js
+++ b/test/spec/modules/ixBidAdapter_spec.js
@@ -1703,6 +1703,63 @@ describe('IndexexchangeAdapter', function () {
       expect(r.regs.gpp_sid).to.be.an('array');
       expect(r.regs.gpp_sid).to.include(1);
     });
+
+    it('should add adunit specific data to imp ext for banner', function () {
+      const AD_UNIT_CODE = '/19968336/some-adunit-path';
+      const validBids = utils.deepClone(DEFAULT_BANNER_VALID_BID);
+      validBids[0].ortb2Imp = {
+        ext: {
+          data: {
+            adserver: {
+              name: 'gam banner',
+              adslot: AD_UNIT_CODE
+            }
+          }
+        }
+      };
+      const requests = spec.buildRequests(validBids, DEFAULT_OPTION);
+      const imp = extractPayload(requests[0]).imp[0];
+      expect(deepAccess(imp, 'ext.data.adserver.name')).to.equal('gam banner');
+      expect(deepAccess(imp, 'ext.data.adserver.adslot')).to.equal(AD_UNIT_CODE);
+    });
+
+    it('should add adunit specific data to imp ext for native', function () {
+      const AD_UNIT_CODE = '/19968336/some-adunit-path';
+      const validBids = utils.deepClone(DEFAULT_NATIVE_VALID_BID);
+      validBids[0].ortb2Imp = {
+        ext: {
+          data: {
+            adserver: {
+              name: 'gam native',
+              adslot: AD_UNIT_CODE
+            }
+          }
+        }
+      };
+      const requests = spec.buildRequests(validBids, DEFAULT_OPTION);
+      const imp = extractPayload(requests[0]).imp[0];
+      expect(deepAccess(imp, 'ext.data.adserver.name')).to.equal('gam native');
+      expect(deepAccess(imp, 'ext.data.adserver.adslot')).to.equal(AD_UNIT_CODE);
+    });
+
+    it('should add adunit specific data to imp ext for video', function () {
+      const AD_UNIT_CODE = '/19968336/some-adunit-path';
+      const validBids = utils.deepClone(DEFAULT_VIDEO_VALID_BID);
+      validBids[0].ortb2Imp = {
+        ext: {
+          data: {
+            adserver: {
+              name: 'gam video',
+              adslot: AD_UNIT_CODE
+            }
+          }
+        }
+      };
+      const requests = spec.buildRequests(validBids, DEFAULT_OPTION);
+      const imp = extractPayload(requests[0]).imp[0];
+      expect(deepAccess(imp, 'ext.data.adserver.name')).to.equal('gam video');
+      expect(deepAccess(imp, 'ext.data.adserver.adslot')).to.equal(AD_UNIT_CODE);
+    });
   });
 
   describe('buildRequests', function () {