diff --git a/src/main/java/org/prebid/server/auction/BidResponseCreator.java b/src/main/java/org/prebid/server/auction/BidResponseCreator.java
index cbb63000c5c..0ae43405432 100644
--- a/src/main/java/org/prebid/server/auction/BidResponseCreator.java
+++ b/src/main/java/org/prebid/server/auction/BidResponseCreator.java
@@ -87,6 +87,7 @@
 import org.prebid.server.proto.openrtb.ext.response.ExtDebugTrace;
 import org.prebid.server.proto.openrtb.ext.response.ExtHttpCall;
 import org.prebid.server.proto.openrtb.ext.response.ExtIgi;
+import org.prebid.server.proto.openrtb.ext.response.ExtIgiIgb;
 import org.prebid.server.proto.openrtb.ext.response.ExtIgiIgs;
 import org.prebid.server.proto.openrtb.ext.response.ExtIgiIgsExt;
 import org.prebid.server.proto.openrtb.ext.response.ExtResponseCache;
@@ -864,13 +865,18 @@ private ExtIgi prepareExtIgi(ExtIgi igi, String bidder) {
             return null;
         }
 
-        if (StringUtils.isEmpty(igi.getImpid())) {
-            conditionalLogger.warn("ExtIgi with absent impId", logSamplingRate);
-            return null;
+        boolean shouldDropIgb = StringUtils.isEmpty(igi.getImpid());
+        if (shouldDropIgb) {
+            conditionalLogger.warn("ExtIgi with absent impId from bidder: " + bidder, logSamplingRate);
         }
 
-        final List<ExtIgiIgs> preparedIgs = prepareExtIgiIgs(igi.getIgs(), bidder);
-        return igi.toBuilder().igs(preparedIgs.isEmpty() ? null : preparedIgs).build();
+        final List<ExtIgiIgs> updatedIgs = prepareExtIgiIgs(igi.getIgs(), bidder);
+        final List<ExtIgiIgs> preparedIgs = updatedIgs.isEmpty() ? null : updatedIgs;
+        final List<ExtIgiIgb> preparedIgb = shouldDropIgb ? null : igi.getIgb();
+
+        return ObjectUtils.anyNotNull(preparedIgs, preparedIgb)
+                ? igi.toBuilder().igs(preparedIgs).igb(preparedIgb).build()
+                : null;
     }
 
     private List<ExtIgiIgs> prepareExtIgiIgs(List<ExtIgiIgs> igiIgs, String bidder) {
@@ -885,12 +891,12 @@ private List<ExtIgiIgs> prepareExtIgiIgs(List<ExtIgiIgs> igiIgs, String bidder)
             }
 
             if (StringUtils.isEmpty(extIgiIgs.getImpId())) {
-                conditionalLogger.warn("ExtIgiIgs with absent impId", logSamplingRate);
+                conditionalLogger.warn("ExtIgiIgs with absent impId from bidder: " + bidder, logSamplingRate);
                 continue;
             }
 
             if (extIgiIgs.getConfig() == null) {
-                conditionalLogger.warn("ExtIgiIgs with absent config", logSamplingRate);
+                conditionalLogger.warn("ExtIgiIgs with absent config from bidder: " + bidder, logSamplingRate);
                 continue;
             }
 
diff --git a/src/test/java/org/prebid/server/auction/BidResponseCreatorTest.java b/src/test/java/org/prebid/server/auction/BidResponseCreatorTest.java
index c3b19bcc491..0b6d4b67b9f 100644
--- a/src/test/java/org/prebid/server/auction/BidResponseCreatorTest.java
+++ b/src/test/java/org/prebid/server/auction/BidResponseCreatorTest.java
@@ -98,6 +98,7 @@
 import org.prebid.server.proto.openrtb.ext.response.ExtDebugTrace;
 import org.prebid.server.proto.openrtb.ext.response.ExtHttpCall;
 import org.prebid.server.proto.openrtb.ext.response.ExtIgi;
+import org.prebid.server.proto.openrtb.ext.response.ExtIgiIgb;
 import org.prebid.server.proto.openrtb.ext.response.ExtIgiIgs;
 import org.prebid.server.proto.openrtb.ext.response.ExtIgiIgsExt;
 import org.prebid.server.proto.openrtb.ext.response.ExtResponseCache;
@@ -3744,14 +3745,16 @@ public void shouldDefaultToOriginalPaaFormat() {
     }
 
     @Test
-    public void shouldDropExtIgiIfAvailableAndExtIgiImpIdIsAbsent() {
+    public void shouldDropExtIgiIgbIfAvailableAndExtIgiImpIdIsAbsent() {
         // given
+        given(bidderCatalog.resolveBaseBidder("bidder1")).willReturn("adapter1");
         final Imp imp = givenImp("impId").toBuilder()
                 .ext(mapper.createObjectNode().put("ae", 1))
                 .build();
         final BidRequest bidRequest = givenBidRequest(identity(), ext -> ext.paaFormat(PaaFormat.IAB), imp);
         final ExtIgi igi = ExtIgi.builder()
                 .igs(singletonList(ExtIgiIgs.builder().impId("impId").config(mapper.createObjectNode()).build()))
+                .igb(singletonList(ExtIgiIgb.builder().build()))
                 .build();
 
         final Bid bid = Bid.builder().id("bidId1").price(BigDecimal.valueOf(2.37)).impid("impId").build();
@@ -3774,7 +3777,16 @@ public void shouldDropExtIgiIfAvailableAndExtIgiImpIdIsAbsent() {
         // then
         assertThat(bidResponse.getExt())
                 .extracting(ExtBidResponse::getIgi)
-                .isNull();
+                .asList()
+                .containsExactly(
+                        ExtIgi.builder()
+                                .igs(singletonList(
+                                        ExtIgiIgs.builder()
+                                                .impId("impId")
+                                                .config(mapper.createObjectNode())
+                                                .ext(ExtIgiIgsExt.of("bidder1", "adapter1"))
+                                                .build()))
+                                .build());
     }
 
     @Test
@@ -3787,6 +3799,7 @@ public void shouldDropExtIgiIgsIfAvailableAndExtIgiIgsImpIdIsAbsent() {
         final ExtIgi igi = ExtIgi.builder()
                 .impid("impId")
                 .igs(singletonList(ExtIgiIgs.builder().config(mapper.createObjectNode()).build()))
+                .igb(singletonList(ExtIgiIgb.builder().build()))
                 .build();
 
         final Bid bid = Bid.builder().id("bidId1").price(BigDecimal.valueOf(2.37)).impid("impId").build();
@@ -3810,7 +3823,11 @@ public void shouldDropExtIgiIgsIfAvailableAndExtIgiIgsImpIdIsAbsent() {
         assertThat(bidResponse.getExt())
                 .extracting(ExtBidResponse::getIgi)
                 .asList()
-                .containsExactly(ExtIgi.builder().impid("impId").build());
+                .containsExactly(
+                        ExtIgi.builder()
+                                .impid("impId")
+                                .igb(singletonList(ExtIgiIgb.builder().build()))
+                                .build());
     }
 
     @Test
@@ -3823,6 +3840,7 @@ public void shouldDropExtIgiIgsIfAvailableAndExtIgiIgsConfigIsAbsent() {
         final ExtIgi igi = ExtIgi.builder()
                 .impid("impId")
                 .igs(singletonList(ExtIgiIgs.builder().impId("impId").build()))
+                .igb(singletonList(ExtIgiIgb.builder().build()))
                 .build();
 
         final Bid bid = Bid.builder().id("bidId1").price(BigDecimal.valueOf(2.37)).impid("impId").build();
@@ -3846,7 +3864,45 @@ public void shouldDropExtIgiIgsIfAvailableAndExtIgiIgsConfigIsAbsent() {
         assertThat(bidResponse.getExt())
                 .extracting(ExtBidResponse::getIgi)
                 .asList()
-                .containsExactly(ExtIgi.builder().impid("impId").build());
+                .containsExactly(
+                        ExtIgi.builder()
+                                .impid("impId")
+                                .igb(singletonList(ExtIgiIgb.builder().build()))
+                                .build());
+    }
+
+    @Test
+    public void shouldDropExtIgiIfAvailableAndExtIgiIgsAndExtIgiIgbAreAbsent() {
+        // given
+        final Imp imp = givenImp("impId").toBuilder()
+                .ext(mapper.createObjectNode().put("ae", 1))
+                .build();
+        final BidRequest bidRequest = givenBidRequest(identity(), ext -> ext.paaFormat(PaaFormat.IAB), imp);
+        final ExtIgi igi = ExtIgi.builder()
+                .impid("impId")
+                .build();
+
+        final Bid bid = Bid.builder().id("bidId1").price(BigDecimal.valueOf(2.37)).impid("impId").build();
+        final List<BidderResponse> bidderResponses = singletonList(
+                BidderResponse.of("bidder1",
+                        BidderSeatBid.builder()
+                                .bids(List.of(BidderBid.of(bid, banner, "USD")))
+                                .igi(singletonList(igi))
+                                .build(), 100));
+
+        final AuctionContext auctionContext = givenAuctionContext(
+                bidRequest,
+                contextBuilder -> contextBuilder.auctionParticipations(toAuctionParticipant(bidderResponses)));
+
+        // when
+        final BidResponse bidResponse = target
+                .create(auctionContext, CACHE_INFO, MULTI_BIDS)
+                .result();
+
+        // then
+        assertThat(bidResponse.getExt())
+                .extracting(ExtBidResponse::getIgi)
+                .isNull();
     }
 
     @Test