diff --git a/src/Nethermind/Nethermind.Consensus.Test/ExecutionRequestProcessorTests.cs b/src/Nethermind/Nethermind.Consensus.Test/ExecutionRequestProcessorTests.cs
index 4b29c44121d..e7731326ea9 100644
--- a/src/Nethermind/Nethermind.Consensus.Test/ExecutionRequestProcessorTests.cs
+++ b/src/Nethermind/Nethermind.Consensus.Test/ExecutionRequestProcessorTests.cs
@@ -123,6 +123,6 @@ .. executionConsolidationRequests
             Assert.That(processedRequest.RequestData, Is.EqualTo(expectedRequest.RequestData));
         }
 
-        Assert.That(block.Header.RequestsHash, Is.EqualTo(block.ExecutionRequests.CalculateHash()));
+        Assert.That(block.Header.RequestsHash, Is.EqualTo(block.ExecutionRequests.ToArray().CalculateHash()));
     }
 }
diff --git a/src/Nethermind/Nethermind.Consensus/ExecutionRequests/ExecutionRequestProcessor.cs b/src/Nethermind/Nethermind.Consensus/ExecutionRequests/ExecutionRequestProcessor.cs
index c933ba71b83..9827bc6b4c0 100644
--- a/src/Nethermind/Nethermind.Consensus/ExecutionRequests/ExecutionRequestProcessor.cs
+++ b/src/Nethermind/Nethermind.Consensus/ExecutionRequests/ExecutionRequestProcessor.cs
@@ -129,9 +129,9 @@ private IEnumerable<ExecutionRequest> ReadRequests(Block block, IWorldState stat
 
     }
 
-    public Hash256 CalculateRequestsHash(Block block, IWorldState state, TxReceipt[] receipts, IReleaseSpec spec, out ExecutionRequest[] requests)
+    public Hash256 CalculateRequestsHash(Block block, IWorldState state, TxReceipt[] receipts, IReleaseSpec spec, out ArrayPoolList<ExecutionRequest> requests)
     {
-        List<ExecutionRequest> requestsList = new();
+        ArrayPoolList<ExecutionRequest> requestsList = new ArrayPoolList<ExecutionRequest>(0);
         using (SHA256 sha256 = SHA256.Create())
         {
             using (SHA256 sha256Inner = SHA256.Create())
@@ -162,7 +162,7 @@ public Hash256 CalculateRequestsHash(Block block, IWorldState state, TxReceipt[]
 
                 // Complete the final hash computation
                 sha256.TransformFinalBlock(new byte[0], 0, 0);
-                requests = requestsList.ToArray();
+                requests = requestsList;
                 return new Hash256(sha256.Hash!);
             }
         }
@@ -172,7 +172,7 @@ public void ProcessExecutionRequests(Block block, IWorldState state, TxReceipt[]
     {
         if (!spec.RequestsEnabled)
             return;
-        block.Header.RequestsHash = CalculateRequestsHash(block, state, receipts, spec, out ExecutionRequest[] requests);
+        block.Header.RequestsHash = CalculateRequestsHash(block, state, receipts, spec, out ArrayPoolList<ExecutionRequest> requests);
         block.ExecutionRequests = requests;
     }
 }
diff --git a/src/Nethermind/Nethermind.Core.Test/Builders/BlockBuilder.cs b/src/Nethermind/Nethermind.Core.Test/Builders/BlockBuilder.cs
index e8b68230935..ee80f1bb81a 100644
--- a/src/Nethermind/Nethermind.Core.Test/Builders/BlockBuilder.cs
+++ b/src/Nethermind/Nethermind.Core.Test/Builders/BlockBuilder.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Linq;
+using Nethermind.Core.Collections;
 using Nethermind.Core.Crypto;
 using Nethermind.Core.ExecutionRequest;
 using Nethermind.Core.Specs;
@@ -251,7 +252,7 @@ public BlockBuilder WithReceiptsRoot(Hash256 keccak)
         public BlockBuilder WithEmptyRequestsHash()
         {
             TestObjectInternal.Header.RequestsHash = Array.Empty<ExecutionRequest.ExecutionRequest>().CalculateHash();
-            TestObjectInternal.ExecutionRequests = Array.Empty<ExecutionRequest.ExecutionRequest>();
+            TestObjectInternal.ExecutionRequests = new ArrayPoolList<ExecutionRequest.ExecutionRequest>(0);
             return this;
         }
 
diff --git a/src/Nethermind/Nethermind.Core/Block.cs b/src/Nethermind/Nethermind.Core/Block.cs
index 57ebf3b5726..935a1b0b900 100644
--- a/src/Nethermind/Nethermind.Core/Block.cs
+++ b/src/Nethermind/Nethermind.Core/Block.cs
@@ -118,7 +118,7 @@ public Transaction[] Transactions
     public Hash256? RequestsHash => Header.RequestsHash; // do not add setter here
 
     [JsonIgnore]
-    public ExecutionRequest.ExecutionRequest[]? ExecutionRequests { get; set; }
+    public ArrayPoolList<ExecutionRequest.ExecutionRequest>? ExecutionRequests { get; set; }
 
     [JsonIgnore]
     public ArrayPoolList<AddressAsKey>? AccountChanges { get; set; }
diff --git a/src/Nethermind/Nethermind.Merge.Plugin.Test/EngineModuleTests.V4.cs b/src/Nethermind/Nethermind.Merge.Plugin.Test/EngineModuleTests.V4.cs
index dfaf9444a88..9d37c53446c 100644
--- a/src/Nethermind/Nethermind.Merge.Plugin.Test/EngineModuleTests.V4.cs
+++ b/src/Nethermind/Nethermind.Merge.Plugin.Test/EngineModuleTests.V4.cs
@@ -228,7 +228,7 @@ public async Task can_progress_chain_one_by_one_v4_with_requests(int count)
         last!.IsGenesis.Should().BeTrue();
 
         Block? head = chain.BlockTree.Head;
-        head!.ExecutionRequests!.Length.Should().Be(ExecutionRequestsProcessorMock.Requests.Length);
+        head!.ExecutionRequests!.ToArray().Length.Should().Be(ExecutionRequestsProcessorMock.Requests.Length);
     }
 
     private async Task<IReadOnlyList<ExecutionPayload>> ProduceBranchV4(IEngineRpcModule rpc,
diff --git a/src/Nethermind/Nethermind.Merge.Plugin.Test/ExecutionRequestsProcessorMock.cs b/src/Nethermind/Nethermind.Merge.Plugin.Test/ExecutionRequestsProcessorMock.cs
index efb14cac6cf..4217bec0535 100644
--- a/src/Nethermind/Nethermind.Merge.Plugin.Test/ExecutionRequestsProcessorMock.cs
+++ b/src/Nethermind/Nethermind.Merge.Plugin.Test/ExecutionRequestsProcessorMock.cs
@@ -3,6 +3,7 @@
 
 using Nethermind.Consensus.ExecutionRequests;
 using Nethermind.Core;
+using Nethermind.Core.Collections;
 using Nethermind.Core.ExecutionRequest;
 using Nethermind.Core.Specs;
 using Nethermind.Core.Test.Builders;
@@ -30,7 +31,11 @@ public void ProcessExecutionRequests(Block block, IWorldState state, TxReceipt[]
         if (block.IsGenesis)
             return;
 
-        block.ExecutionRequests = Requests;
+        block.ExecutionRequests = new ArrayPoolList<ExecutionRequest>(Requests.Length);
+        foreach (var request in Requests)
+        {
+            block.ExecutionRequests.Add(request);
+        }
         block.Header.RequestsHash = Requests.CalculateHash();
     }
 }
diff --git a/src/Nethermind/Nethermind.Merge.Plugin/Handlers/GetPayloadV4Handler.cs b/src/Nethermind/Nethermind.Merge.Plugin/Handlers/GetPayloadV4Handler.cs
index 45f51c5df35..5969ce68965 100644
--- a/src/Nethermind/Nethermind.Merge.Plugin/Handlers/GetPayloadV4Handler.cs
+++ b/src/Nethermind/Nethermind.Merge.Plugin/Handlers/GetPayloadV4Handler.cs
@@ -23,7 +23,7 @@ public class GetPayloadV4Handler(
 {
     protected override GetPayloadV4Result GetPayloadResultFromBlock(IBlockProductionContext context)
     {
-        return new(context.CurrentBestBlock!, context.BlockFees, new BlobsBundleV1(context.CurrentBestBlock!), context.CurrentBestBlock!.ExecutionRequests!)
+        return new(context.CurrentBestBlock!, context.BlockFees, new BlobsBundleV1(context.CurrentBestBlock!), context.CurrentBestBlock!.ExecutionRequests!.ToArray())
         {
             ShouldOverrideBuilder = censorshipDetector?.GetCensoredBlocks().Contains(new BlockNumberHash(context.CurrentBestBlock!)) ?? false
         };