diff --git a/models/staging/exchange/base/base_exchange__currency_rates.sql b/models/staging/exchange/base/base_exchange__currency_rates.sql
index 35419c8..c38cde3 100644
--- a/models/staging/exchange/base/base_exchange__currency_rates.sql
+++ b/models/staging/exchange/base/base_exchange__currency_rates.sql
@@ -5,20 +5,34 @@ WITH currency_rates AS (
 
 
 -- LOGIC
+-- Exclude service type 'Internal Purchase'
+exclude_service_type AS (
+    
+    SELECT
+        *
+
+    FROM currency_rates
+
+    WHERE service_id NOT IN (7) -- 7 : INTERNAL PURCHASE
+    
+),
+
 currency_rates_rename AS (
 
     SELECT
-        currency_rates.id   AS currency_rate_id,
-        currency_rates.currency_id  AS quote_currency_id,
-        currency_rates.selling  AS base_to_quote_currency_exchange_rate,
-        currency_rates.payment_method_type  AS payment_method,
-        currency_rates.service_id   AS service_type,
-        currency_rates.deleted_at   AS deleted_datetime,
-        currency_rates.created_at   AS created_datetime,
-        currency_rates.updated_at   AS updated_datetime,
+        exclude_service_type.id                     AS currency_rate_id,
+        exclude_service_type.currency_id            AS quote_currency_id,
+        exclude_service_type.selling                AS base_to_quote_currency_exchange_rate,
+        exclude_service_type.payment_method_type    AS payment_method,
+        exclude_service_type.service_id             AS service_type,
+        exclude_service_type.deleted_at             AS deleted_datetime,
+        exclude_service_type.created_at             AS created_datetime,
+        exclude_service_type.updated_at             AS updated_datetime,
+
         '{{ modules.datetime.datetime.now(modules.pytz.timezone("Asia/Kuala_Lumpur")) }}' AS _dbt_ran_datetime
 
-    FROM currency_rates
+    FROM exclude_service_type
+
 ),