diff --git a/src/main/java/GraphMLFileWriter.java b/src/main/java/GraphMLFileWriter.java
index 4b4b0ff..8546061 100644
--- a/src/main/java/GraphMLFileWriter.java
+++ b/src/main/java/GraphMLFileWriter.java
@@ -56,6 +56,9 @@ public class GraphMLFileWriter {
         }
         String wellPopulationsString = populationsStringBuilder.toString();
         ga.put("well populations", DefaultAttribute.createAttribute(wellPopulationsString));
+        ga.put("read depth", DefaultAttribute.createAttribute(data.getReadDepth().toString()));
+        ga.put("read error rate", DefaultAttribute.createAttribute(data.getReadErrorRate().toString()));
+        ga.put("error collision rate", DefaultAttribute.createAttribute(data.getErrorCollisionRate().toString()));
         return ga;
     }
 
@@ -75,6 +78,7 @@ public class GraphMLFileWriter {
                 attributes.put("type", DefaultAttribute.createAttribute(v.getType().name()));
                 attributes.put("sequence", DefaultAttribute.createAttribute(v.getSequence()));
                 attributes.put("occupancy", DefaultAttribute.createAttribute(v.getOccupancy()));
+                attributes.put("read count", DefaultAttribute.createAttribute(v.getReadCount()));
                 return attributes;
             });
             //register the attributes
@@ -84,6 +88,7 @@ public class GraphMLFileWriter {
             exporter.registerAttribute("type", AttributeCategory.NODE, AttributeType.STRING);
             exporter.registerAttribute("sequence", AttributeCategory.NODE, AttributeType.STRING);
             exporter.registerAttribute("occupancy", AttributeCategory.NODE, AttributeType.STRING);
+            exporter.registerAttribute("read count", AttributeCategory.NODE, AttributeType.STRING);
             //export the graph
             exporter.exportGraph(graph, writer);
         } catch(IOException ex){