diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae1fe9d..f84d6e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,9 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 
-## [0.2.0] - Unreleased
+## [0.2.0] - Unreleased (``master`` branch)
 - ``Metro-Byzantium`` compatible
 - Block reward reduction
+- Added gas costs for curve operation precompiles (``ecAddGas``, ``ecMulGas``,...)
+- Added ``modexpGquaddivisor`` (modexp precompile)
 
 [0.2.0]: https://github.com/ethereumjs/common/compare/v0.1.0...v0.2.0
 
diff --git a/params.json b/params.json
index 807fe54..3d5179c 100644
--- a/params.json
+++ b/params.json
@@ -205,17 +205,29 @@
     "v": 3,
     "d": ""
   },
-  "minerReward": {
-    "v": "5000000000000000000",
-    "d": "the amount a miner get rewarded for mining a block"
+  "modexpGquaddivisor": {
+    "v": 20,
+    "d": "Gquaddivisor from modexp precompile for gas calculation."
+  },
+  "ecAddGas": {
+    "v": 500,
+    "d": "Gas costs for curve addition precompile."
+  },
+  "ecMulGas": {
+    "v": 40000,
+    "d": "Gas costs for curve multiplication precompile."
   },
-  "ommerReward": {
-    "v": "625000000000000000",
-    "d": "The amount of wei a miner of an uncle block gets for being inculded in the blockchain"
+  "ecPairingGas": {
+    "v": 100000,
+    "d": "Base gas costs for curve pairing precompile."
+  },
+  "ecPairingWordGas": {
+    "v": 80000,
+    "d": "Gas costs regarding curve pairing precompile input length."
   },
-  "niblingReward": {
-    "v": "156250000000000000",
-    "d": "the amount a miner gets for inculding a uncle"
+  "minerReward": {
+    "v": "3000000000000000000",
+    "d": "the amount a miner get rewarded for mining a block"
   },
   "homeSteadForkNumber": {
     "v": 1150000,