diff --git a/src/main/java/org/prebid/server/bidder/gumgum/GumgumBidder.java b/src/main/java/org/prebid/server/bidder/gumgum/GumgumBidder.java
index 0d18952c98e..a1d3c563cdf 100644
--- a/src/main/java/org/prebid/server/bidder/gumgum/GumgumBidder.java
+++ b/src/main/java/org/prebid/server/bidder/gumgum/GumgumBidder.java
@@ -45,6 +45,8 @@
 
 public class GumgumBidder implements Bidder<BidRequest> {
 
+    private static final String REQUEST_EXT_PRODUCT = "product";
+
     private static final TypeReference<ExtPrebid<?, ExtImpGumgum>> GUMGUM_EXT_TYPE_REFERENCE =
             new TypeReference<>() {
             };
@@ -116,6 +118,13 @@ private ExtImpGumgum parseImpExt(Imp imp) {
 
     private Imp modifyImp(Imp imp, ExtImpGumgum extImp) {
         final Imp.ImpBuilder impBuilder = imp.toBuilder();
+
+        final String product = extImp.getProduct();
+        if (StringUtils.isNotEmpty(product)) {
+            final ObjectNode productExt = mapper.mapper().createObjectNode().put(REQUEST_EXT_PRODUCT, product);
+            impBuilder.ext(productExt);
+        }
+
         final Banner banner = imp.getBanner();
         if (banner != null) {
             final Banner resolvedBanner = resolveBanner(banner, extImp);
@@ -133,7 +142,6 @@ private Imp modifyImp(Imp imp, ExtImpGumgum extImp) {
                 impBuilder.video(resolvedVideo);
             }
         }
-
         return impBuilder.build();
     }
 
@@ -256,3 +264,4 @@ private static String resolveAdm(String bidAdm, BigDecimal price) {
         return StringUtils.isNotBlank(bidAdm) ? bidAdm.replace("${AUCTION_PRICE}", String.valueOf(price)) : bidAdm;
     }
 }
+
diff --git a/src/main/java/org/prebid/server/proto/openrtb/ext/request/gumgum/ExtImpGumgum.java b/src/main/java/org/prebid/server/proto/openrtb/ext/request/gumgum/ExtImpGumgum.java
index a2bba63f1d0..6f0803c9a6e 100644
--- a/src/main/java/org/prebid/server/proto/openrtb/ext/request/gumgum/ExtImpGumgum.java
+++ b/src/main/java/org/prebid/server/proto/openrtb/ext/request/gumgum/ExtImpGumgum.java
@@ -19,4 +19,6 @@ public class ExtImpGumgum {
     String irisId;
 
     Long slot;
+
+    String product;
 }
diff --git a/src/main/resources/static/bidder-params/gumgum.json b/src/main/resources/static/bidder-params/gumgum.json
index a44e9b045b2..957229af298 100644
--- a/src/main/resources/static/bidder-params/gumgum.json
+++ b/src/main/resources/static/bidder-params/gumgum.json
@@ -20,6 +20,10 @@
     "slot": {
       "type": "integer",
       "description": "A slot id used to identify a slot placement mapped to a GumGum zone or publisher"
+    },
+    "product": {
+      "type": "string",
+      "description": "A product"
     }
   },
   "anyOf": [
@@ -35,4 +39,3 @@
     }
   ]
 }
-
diff --git a/src/test/java/org/prebid/server/bidder/gumgum/GumgumBidderTest.java b/src/test/java/org/prebid/server/bidder/gumgum/GumgumBidderTest.java
index ff046f32bfe..2bb2a0bb7ba 100644
--- a/src/test/java/org/prebid/server/bidder/gumgum/GumgumBidderTest.java
+++ b/src/test/java/org/prebid/server/bidder/gumgum/GumgumBidderTest.java
@@ -96,7 +96,7 @@ public void makeHttpRequestsShouldReturnErrorIfVideoFieldsAreNotValid() {
                 .imp(singletonList(Imp.builder()
                         .video(Video.builder().w(0).build())
                         .ext(mapper.valueToTree(ExtPrebid.of(null,
-                                ExtImpGumgum.of("zone", BigInteger.TEN, "irisId", null))))
+                                ExtImpGumgum.of("zone", BigInteger.TEN, "irisId", null, null))))
                         .build()))
                 .build();
 
@@ -124,7 +124,7 @@ public void makeHttpRequestsShouldModifyVideoExtOfIrisIdIsPresent() {
                                 .linearity(233)
                                 .build())
                         .ext(mapper.valueToTree(ExtPrebid.of(null,
-                                ExtImpGumgum.of("zone", BigInteger.TEN, "irisId", null))))
+                                ExtImpGumgum.of("zone", BigInteger.TEN, "irisId", null, null))))
                         .build()))
                 .build();
 
@@ -231,7 +231,7 @@ public void makeHttpRequestsShouldSetSiteIdFromLastValidImpExtZone() {
                         givenImp(impBuilder -> impBuilder
                                 .banner(Banner.builder().build())
                                 .ext(mapper.valueToTree(ExtPrebid.of(null,
-                                        ExtImpGumgum.of("ignored zone", BigInteger.TEN, "irisId", null))))),
+                                        ExtImpGumgum.of("ignored zone", BigInteger.TEN, "irisId", null, null))))),
                         givenImp(identity())))
                 .build();
 
@@ -259,14 +259,14 @@ public void makeHttpRequestsShouldNotModifyBannerExtIfSlotIsZeroOrNull() {
                                         .format(singletonList(Format.builder().w(1).h(1).build()))
                                         .build())
                                 .ext(mapper.valueToTree(ExtPrebid.of(null, ExtImpGumgum.of("ignored zone",
-                                        BigInteger.TEN, "irisId", 0L))))),
+                                        BigInteger.TEN, "irisId", 0L, null))))),
                         givenImp(impBuilder -> impBuilder
                                 .id("345")
                                 .banner(Banner.builder()
                                         .format(singletonList(Format.builder().w(1).h(1).build()))
                                         .build())
                                 .ext(mapper.valueToTree(ExtPrebid.of(null,
-                                        ExtImpGumgum.of("ignored zone", BigInteger.TEN, "irisId", null))))
+                                        ExtImpGumgum.of("ignored zone", BigInteger.TEN, "irisId", null, null))))
                         )))
                 .build();
 
@@ -295,7 +295,7 @@ public void makeHttpRequestsShouldSetBannerExtWithBiggestBannerFormatIfSlotIsNot
                                 Format.builder().w(100).h(100).build()))
                         .build())
                 .ext(mapper.valueToTree(ExtPrebid.of(null, ExtImpGumgum.of("ignored zone",
-                        BigInteger.TEN, "irisId", 42L)))));
+                        BigInteger.TEN, "irisId", 42L, null)))));
 
         // when
         final Result<List<HttpRequest<BidRequest>>> result = target.makeHttpRequests(bidRequest);
@@ -441,7 +441,7 @@ private static Imp givenImp(Function<Imp.ImpBuilder, Imp.ImpBuilder> impCustomiz
                         .id("123")
                         .banner(Banner.builder().id("banner_id").build())
                         .ext(mapper.valueToTree(ExtPrebid.of(null,
-                                ExtImpGumgum.of("zone", BigInteger.TEN, "irisId", 1L)))))
+                                ExtImpGumgum.of("zone", BigInteger.TEN, "irisId", 1L, null)))))
                 .build();
     }
 
@@ -461,3 +461,4 @@ private static BidderCall<BidRequest> givenHttpCall(BidRequest bidRequest, Strin
                 null);
     }
 }
+