diff --git a/DataLayer/Event/PurchaseWebhookEvent.php b/DataLayer/Event/PurchaseWebhookEvent.php
index a424c0e7..42e8a25b 100644
--- a/DataLayer/Event/PurchaseWebhookEvent.php
+++ b/DataLayer/Event/PurchaseWebhookEvent.php
@@ -102,6 +102,24 @@ public function purchase(OrderInterface $order)
             ]
         ];
 
+        // Additional shipping, base currency and payment data used by AdPage to
+        // calculate the actual profit (COGS, carrier rate, payment fees) per order.
+        // Purely additive: existing keys keep their name, meaning and value.
+        try {
+            $data['ecommerce'] += [
+                'shipping_method' => $order->getShippingDescription() ?? '',
+                'shipping_method_code' => $order->getShippingMethod() ?? '',
+                'shipping_excl_tax' => $this->priceFormatter->format((float)$order->getShippingAmount()),
+                'base_shipping_excl_tax' => $this->priceFormatter->format((float)$order->getBaseShippingAmount()),
+                'base_value' => $this->priceFormatter->format((float)$order->getBaseGrandTotal()),
+                'base_tax' => $this->priceFormatter->format((float)$order->getBaseTaxAmount()),
+                'base_currency' => $order->getBaseCurrencyCode() ?? '',
+                'payment_type' => $order->getPayment() ? (string)$order->getPayment()->getMethod() : ''
+            ];
+        } catch (\Exception $e) {
+            $this->debugger->debug('PurchaseWebhookEvent::purchase(): could not resolve shipping/base data: ' . $e->getMessage());
+        }
+
         try {
             $data['user_data'] = [
                 "customer_id" => $order->getCustomerId() ?? '',
diff --git a/composer.json b/composer.json
index e0eb4be4..21b4288c 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
   "name": "tagginggroup/gtm",
-  "version": "1.6.0",
+  "version": "1.7.0",
   "license": "OSL-3.0",
   "type": "magento2-module",
   "description": "AdPage tagging integration for Magento 2",