diff --git a/modules/pubmaticBidAdapter.js b/modules/pubmaticBidAdapter.js
index ec87563d4c2..b5ecd784a6c 100644
--- a/modules/pubmaticBidAdapter.js
+++ b/modules/pubmaticBidAdapter.js
@@ -1031,6 +1031,8 @@ export const spec = {
                   br.ttl = 300;
                   br.referrer = parsedReferrer;
                   br.ad = bid.adm;
+                  br.pm_seat = seatbidder.seat || null;
+                  br.pm_dspid = bid.ext && bid.ext.dspid ? bid.ext.dspid : null
                   if (requestData.imp && requestData.imp.length > 0) {
                     requestData.imp.forEach(req => {
                       if (bid.impid === req.id) {
diff --git a/test/spec/modules/pubmaticBidAdapter_spec.js b/test/spec/modules/pubmaticBidAdapter_spec.js
index 3ad33d5f66c..cf7d98948e2 100644
--- a/test/spec/modules/pubmaticBidAdapter_spec.js
+++ b/test/spec/modules/pubmaticBidAdapter_spec.js
@@ -89,6 +89,7 @@ describe('PubMatic adapter', function () {
     bidRequests = [firstBid, secoundBid];
 
     firstResponse = {
+      'seat': 'seat-id',
       'bid': [{
         'id': '74858439-49D7-4169-BA5D-44A046315B2F',
         'impid': '23acc48ad47af5',
@@ -2589,6 +2590,8 @@ describe('PubMatic adapter', function () {
       expect(response[0].meta.clickUrl).to.equal('blackrock.com');
       expect(response[0].referrer).to.include(data.site.ref);
       expect(response[0].ad).to.equal(bidResponses.body.seatbid[0].bid[0].adm);
+      expect(response[0].pm_seat).to.equal(bidResponses.body.seatbid[0].seat);
+      expect(response[0].pm_dspid).to.equal(bidResponses.body.seatbid[0].bid[0].ext.dspid);
 
       expect(response[1].requestId).to.equal(bidResponses.body.seatbid[1].bid[0].impid);
       expect(response[1].cpm).to.equal((bidResponses.body.seatbid[1].bid[0].price).toFixed(2));
@@ -2608,6 +2611,8 @@ describe('PubMatic adapter', function () {
       expect(response[1].meta.clickUrl).to.equal('hivehome.com');
       expect(response[1].referrer).to.include(data.site.ref);
       expect(response[1].ad).to.equal(bidResponses.body.seatbid[1].bid[0].adm);
+      expect(response[1].pm_seat).to.equal(bidResponses.body.seatbid[1].seat || null);
+      expect(response[1].pm_dspid).to.equal(bidResponses.body.seatbid[1].bid[0].ext.dspid);
     });
 
     it('should check for dealChannel value selection', function () {