diff --git a/LICENSE b/LICENSE.txt
similarity index 100%
rename from LICENSE
rename to LICENSE.txt
diff --git a/NOTICE.txt b/NOTICE.txt
new file mode 100644
index 0000000000..e9a483e188
--- /dev/null
+++ b/NOTICE.txt
@@ -0,0 +1,12 @@
+Simphony
+
+Copyright Simphony Contributors
+
+This product includes software originally developed as part of the Opticks project:
+http://simoncblyth.bitbucket.io/opticks/
+
+This software is licensed under the Apache License, Version 2.0.
+See LICENSE.txt for details.
+
+Historical authorship and modification history are preserved in the Git history.
+Applicable upstream copyright and license notices are preserved in the source files.