diff --git a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncClientBuilder.java b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncClientBuilder.java
index 619efcac4..0a7e02d48 100644
--- a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncClientBuilder.java
+++ b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncClientBuilder.java
@@ -176,7 +176,7 @@ private ResponseInterceptorEntry(final ResponseInterceptorEntry.Postion postion,
 
     private static class ExecInterceptorEntry {
 
-        enum Postion { BEFORE, AFTER, REPLACE }
+        enum Postion { BEFORE, AFTER, REPLACE, FIRST, LAST }
 
         final ExecInterceptorEntry.Postion postion;
         final String name;
@@ -430,6 +430,26 @@ public final HttpAsyncClientBuilder replaceExecInterceptor(final String existing
         return this;
     }
 
+    /**
+     * Add an interceptor to the head of the processing list.
+     */
+    public final HttpAsyncClientBuilder addExecInterceptorFirst(final String name, final AsyncExecChainHandler interceptor) {
+        Args.notNull(name, "Name");
+        Args.notNull(interceptor, "Interceptor");
+        execInterceptors.add(new ExecInterceptorEntry(ExecInterceptorEntry.Postion.FIRST, name, interceptor, null));
+        return this;
+    }
+
+    /**
+     * Add an interceptor to the tail of the processing list.
+     */
+    public final HttpAsyncClientBuilder addExecInterceptorLast(final String name, final AsyncExecChainHandler interceptor) {
+        Args.notNull(name, "Name");
+        Args.notNull(interceptor, "Interceptor");
+        execInterceptors.add(new ExecInterceptorEntry(ExecInterceptorEntry.Postion.LAST, name, interceptor, null));
+        return this;
+    }
+
     /**
      * Adds this protocol interceptor to the head of the protocol processing list.
      */
@@ -913,6 +933,12 @@ public void execute(final IOSession ioSession) {
                     case BEFORE:
                         execChainDefinition.addBefore(entry.existing, entry.interceptor, entry.name);
                         break;
+                    case FIRST:
+                        execChainDefinition.addFirst(entry.interceptor, entry.name);
+                        break;
+                    case LAST:
+                        execChainDefinition.addLast(entry.interceptor, entry.name);
+                        break;
                 }
             }
         }
diff --git a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/sync/HttpClientBuilder.java b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/sync/HttpClientBuilder.java
index 4ec65a4d2..af94d360c 100644
--- a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/sync/HttpClientBuilder.java
+++ b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/sync/HttpClientBuilder.java
@@ -163,7 +163,7 @@ private ResponseInterceptorEntry(final Postion postion, final HttpResponseInterc
 
     private static class ExecInterceptorEntry {
 
-        enum Postion { BEFORE, AFTER, REPLACE }
+        enum Postion { BEFORE, AFTER, REPLACE, FIRST, LAST }
 
         final Postion postion;
         final String name;
@@ -443,6 +443,26 @@ public final HttpClientBuilder replaceExecInterceptor(final String existing, fin
         return this;
     }
 
+    /**
+     * Add an interceptor to the head of the processing list.
+     */
+    public final HttpClientBuilder addExecInterceptorFirst(final String name, final ExecChainHandler interceptor) {
+        Args.notNull(name, "Name");
+        Args.notNull(interceptor, "Interceptor");
+        execInterceptors.add(new ExecInterceptorEntry(ExecInterceptorEntry.Postion.FIRST, name, interceptor, null));
+        return this;
+    }
+
+    /**
+     * Add an interceptor to the tail of the processing list.
+     */
+    public final HttpClientBuilder addExecInterceptorLast(final String name, final ExecChainHandler interceptor) {
+        Args.notNull(name, "Name");
+        Args.notNull(interceptor, "Interceptor");
+        execInterceptors.add(new ExecInterceptorEntry(ExecInterceptorEntry.Postion.LAST, name, interceptor, null));
+        return this;
+    }
+
     /**
      * Disables state (cookie) management.
      */
@@ -902,6 +922,12 @@ public boolean keepAlive(
                     case REPLACE:
                         execChainDefinition.replace(entry.existing, entry.interceptor);
                         break;
+                    case FIRST:
+                        execChainDefinition.addFirst(entry.interceptor, entry.name);
+                        break;
+                    case LAST:
+                        execChainDefinition.addLast(entry.interceptor, entry.name);
+                        break;
                 }
             }
         }