diff --git a/StateTests/stRefundTest.json b/StateTests/stRefundTest.json
index c558a2292b76..08ae1fac837b 100644
--- a/StateTests/stRefundTest.json
+++ b/StateTests/stRefundTest.json
@@ -1,4 +1,275 @@
 {
+    "refund500" : {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "256",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : 1,
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "logs" : [
+        ],
+        "out" : "0x",
+        "post" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x600154506002545060ff60020a600a553031600b55600060015560006002556000600355600060045560006005556000600655",
+                "nonce" : "0",
+                "storage" : {
+                    "0x0a" : "0x8000000000000000000000000000000000000000000000000000000000000000",
+                    "0x0b" : "0x0de0b6b3a7640000"
+                }
+            },
+            "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "592",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "9408",
+                "code" : "0x",
+                "nonce" : "1",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x600154506002545060ff60020a600a553031600b55600060015560006002556000600355600060045560006005556000600655",
+                "nonce" : "0",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01",
+                    "0x03" : "0x01",
+                    "0x04" : "0x01",
+                    "0x05" : "0x01",
+                    "0x06" : "0x01"
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" : {
+            "data" : "",
+            "gasLimit" : "10000",
+            "gasPrice" : "1",
+            "nonce" : "0",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "0"
+        }
+    },
+    "refund50_1" : {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "256",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : 1,
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "logs" : [
+        ],
+        "out" : "0x",
+        "post" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x60006001556000600255600060035560006004556000600555",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "255",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "9745",
+                "code" : "0x",
+                "nonce" : "1",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x60006001556000600255600060035560006004556000600555",
+                "nonce" : "0",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01",
+                    "0x03" : "0x01",
+                    "0x04" : "0x01",
+                    "0x05" : "0x01"
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" : {
+            "data" : "",
+            "gasLimit" : "10000",
+            "gasPrice" : "1",
+            "nonce" : "0",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "0"
+        }
+    },
+    "refund50_2" : {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "256",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : 1,
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "logs" : [
+        ],
+        "out" : "0x",
+        "post" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x6001600a556001600b5560006001556000600255600060035560006004556000600555",
+                "nonce" : "0",
+                "storage" : {
+                    "0x0a" : "0x01",
+                    "0x0b" : "0x01"
+                }
+            },
+            "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "614",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "9386",
+                "code" : "0x",
+                "nonce" : "1",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x6001600a556001600b5560006001556000600255600060035560006004556000600555",
+                "nonce" : "0",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01",
+                    "0x03" : "0x01",
+                    "0x04" : "0x01",
+                    "0x05" : "0x01"
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" : {
+            "data" : "",
+            "gasLimit" : "10000",
+            "gasPrice" : "1",
+            "nonce" : "0",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "0"
+        }
+    },
+    "refund600" : {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "256",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : 1,
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "logs" : [
+        ],
+        "out" : "0x",
+        "post" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x600154506002545061ffff60020a600a553031600b55600060015560006002556000600355600060045560006005556000600655",
+                "nonce" : "0",
+                "storage" : {
+                    "0x0b" : "0x0de0b6b3a7640000"
+                }
+            },
+            "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "492",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "9508",
+                "code" : "0x",
+                "nonce" : "1",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x600154506002545061ffff60020a600a553031600b55600060015560006002556000600355600060045560006005556000600655",
+                "nonce" : "0",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01",
+                    "0x03" : "0x01",
+                    "0x04" : "0x01",
+                    "0x05" : "0x01",
+                    "0x06" : "0x01"
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "10000",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" : {
+            "data" : "",
+            "gasLimit" : "10000",
+            "gasPrice" : "1",
+            "nonce" : "0",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "0"
+        }
+    },
     "refund_NoOOG_1" : {
         "env" : {
             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",