diff --git a/mdx/uk/README.md b/mdx/uk/README.md
index 64b27758..17ebb0f6 100644
--- a/mdx/uk/README.md
+++ b/mdx/uk/README.md
@@ -28,9 +28,12 @@ before being included in the `export` version consumed by interfederation partne
 
 ### Export Preview Aggregate vs. Export Aggregate
 
-Status (2017-01-27):
+Status (2017-02-08):
 
-* these two aggregates are currently identical.
+* The export preview aggregate defines the `saml` namespace prefix (used by entity attributes) on the document element
+instead of in each SAML `<Attribute>`. (2017-02-08)
+* The export preview aggregate defines the `mdattr` namespace prefix (used by entity attributes) on the document element
+instead of in each `<EntityAttributes>` element. (2017-02-08)
 
 ## Production Maturity Pipeline
 
diff --git a/mdx/uk/ns_norm_export_preview.xsl b/mdx/uk/ns_norm_export_preview.xsl
index f5c3833b..59e402e6 100644
--- a/mdx/uk/ns_norm_export_preview.xsl
+++ b/mdx/uk/ns_norm_export_preview.xsl
@@ -33,7 +33,7 @@
 	xmlns:ukfedlabel="http://ukfederation.org.uk/2006/11/label"
 	xmlns:wayf="http://sdss.ac.uk/2006/06/WAYF"
 	
-	exclude-result-prefixes="alg md mdattr saml ukfedlabel wayf"
+	exclude-result-prefixes="alg md ukfedlabel wayf"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 	xmlns="urn:oasis:names:tc:SAML:2.0:metadata">