diff --git a/contracts/test/Test_compiler0.4.15.sol b/contracts/test/Test_compiler0.4.15.sol
new file mode 100644
index 0000000000..86e5f3f524
--- /dev/null
+++ b/contracts/test/Test_compiler0.4.15.sol
@@ -0,0 +1,37 @@
+pragma solidity ^0.4.15;
+
+/**
+ * @title Basic token
+ * @dev Basic version of CLO_test
+ */
+contract CLO_test {
+    string public STR = "Test Callisto NETwork";
+    address public owner;
+    
+    function CLO_test()
+    {
+        owner = msg.sender;
+    }
+    
+    function TEST_STR() constant returns (string)
+    {
+        return STR;
+    }
+    
+    function SetOwner(address _owner)
+    {
+        assert(msg.sender == owner);
+        owner = _owner;
+    }
+    
+    function SUM(uint256 _first, uint256 _second) constant returns (uint256)
+    {
+        return (_first + _second);
+    }
+    
+    function SetSTR(string _STR)
+    {
+        assert(msg.sender == owner);
+        STR = _STR;
+    }
+ }