diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index ffdea4c71fb..3558c60d66a 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -4202,6 +4202,11 @@ module ts {
                 if (!(node.flags & NodeFlags.Export)) {
                     emitStartOfVariableDeclarationList(node.declarationList);
                 }
+                else if (languageVersion >= ScriptTarget.ES6 && node.parent.kind === SyntaxKind.SourceFile) {
+                    // Exported ES6 module member
+                    write("export ");
+                    emitStartOfVariableDeclarationList(node.declarationList);
+                }
                 emitCommaList(node.declarationList.declarations);
                 write(";");
                 if (languageVersion < ScriptTarget.ES6 && node.parent === currentSourceFile) {
diff --git a/tests/baselines/reference/constDeclarations-access5.js b/tests/baselines/reference/constDeclarations-access5.js
index 6934658920c..313ce3db21a 100644
--- a/tests/baselines/reference/constDeclarations-access5.js
+++ b/tests/baselines/reference/constDeclarations-access5.js
@@ -49,7 +49,7 @@ m.x.toString();
 
 
 //// [constDeclarations_access_1.js]
-x = 0;
+export const x = 0;
 //// [constDeclarations_access_2.js]
 // Errors
 m.x = 1;
diff --git a/tests/baselines/reference/es6ImportDefaultBinding.js b/tests/baselines/reference/es6ImportDefaultBinding.js
index 53b122a12ca..c7a320b76aa 100644
--- a/tests/baselines/reference/es6ImportDefaultBinding.js
+++ b/tests/baselines/reference/es6ImportDefaultBinding.js
@@ -9,7 +9,7 @@ import defaultBinding from "es6ImportDefaultBinding_0";
 
 
 //// [es6ImportDefaultBinding_0.js]
-a = 10;
+export var a = 10;
 //// [es6ImportDefaultBinding_1.js]
 
 
diff --git a/tests/baselines/reference/es6ImportDefaultBindingFollowedWithNamedImport.js b/tests/baselines/reference/es6ImportDefaultBindingFollowedWithNamedImport.js
index 12f64528164..d7196f86eaa 100644
--- a/tests/baselines/reference/es6ImportDefaultBindingFollowedWithNamedImport.js
+++ b/tests/baselines/reference/es6ImportDefaultBindingFollowedWithNamedImport.js
@@ -16,9 +16,9 @@ import defaultBinding, { m,  } from "es6ImportDefaultBindingFollowedWithNamedImp
 
 
 //// [es6ImportDefaultBindingFollowedWithNamedImport_0.js]
-a = 10;
-x = a;
-m = a;
+export var a = 10;
+export var x = a;
+export var m = a;
 //// [es6ImportDefaultBindingFollowedWithNamedImport_1.js]
 
 
diff --git a/tests/baselines/reference/es6ImportDefaultBindingFollowedWithNamespaceBinding.js b/tests/baselines/reference/es6ImportDefaultBindingFollowedWithNamespaceBinding.js
index 425fc0bd778..1ba095221dc 100644
--- a/tests/baselines/reference/es6ImportDefaultBindingFollowedWithNamespaceBinding.js
+++ b/tests/baselines/reference/es6ImportDefaultBindingFollowedWithNamespaceBinding.js
@@ -9,7 +9,7 @@ import defaultBinding, * as nameSpaceBinding  from "es6ImportDefaultBindingFollo
 var x: number = nameSpaceBinding.a;
 
 //// [es6ImportDefaultBindingFollowedWithNamespaceBinding_0.js]
-a = 10;
+export var a = 10;
 //// [es6ImportDefaultBindingFollowedWithNamespaceBinding_1.js]
 import defaultBinding, * as nameSpaceBinding from "es6ImportDefaultBindingFollowedWithNamespaceBinding_0";
 var x = nameSpaceBinding.a;
diff --git a/tests/baselines/reference/es6ImportNameSpaceImport.js b/tests/baselines/reference/es6ImportNameSpaceImport.js
index 86ac02be37a..4f03e9a0ae2 100644
--- a/tests/baselines/reference/es6ImportNameSpaceImport.js
+++ b/tests/baselines/reference/es6ImportNameSpaceImport.js
@@ -9,7 +9,7 @@ import * as nameSpaceBinding from "es6ImportNameSpaceImport_0";
 
 
 //// [es6ImportNameSpaceImport_0.js]
-a = 10;
+export var a = 10;
 //// [es6ImportNameSpaceImport_1.js]
 
 
diff --git a/tests/baselines/reference/es6ImportNamedImport.js b/tests/baselines/reference/es6ImportNamedImport.js
index 76627d4aaff..7993af7fb07 100644
--- a/tests/baselines/reference/es6ImportNamedImport.js
+++ b/tests/baselines/reference/es6ImportNamedImport.js
@@ -20,11 +20,11 @@ import { a1 as a11, x1 as x11 } from "es6ImportNamedImport_0";
 
 
 //// [es6ImportNamedImport_0.js]
-a = 10;
-x = a;
-m = a;
-a1 = 10;
-x1 = 10;
+export var a = 10;
+export var x = a;
+export var m = a;
+export var a1 = 10;
+export var x1 = 10;
 //// [es6ImportNamedImport_1.js]
 
 
diff --git a/tests/baselines/reference/es6ImportNamedImportParsingError.js b/tests/baselines/reference/es6ImportNamedImportParsingError.js
index 8c971cc77d2..81f141b3dd8 100644
--- a/tests/baselines/reference/es6ImportNamedImportParsingError.js
+++ b/tests/baselines/reference/es6ImportNamedImportParsingError.js
@@ -13,9 +13,9 @@ import , { a } from "es6ImportNamedImportParsingError_0";
 import { a }, from "es6ImportNamedImportParsingError_0";
 
 //// [es6ImportNamedImportParsingError_0.js]
-a = 10;
-x = a;
-m = a;
+export var a = 10;
+export var x = a;
+export var m = a;
 //// [es6ImportNamedImportParsingError_1.js]
 from;
 "es6ImportNamedImportParsingError_0";
diff --git a/tests/baselines/reference/es6ImportWithoutFromClause.js b/tests/baselines/reference/es6ImportWithoutFromClause.js
index 194ce8f9715..9666409b924 100644
--- a/tests/baselines/reference/es6ImportWithoutFromClause.js
+++ b/tests/baselines/reference/es6ImportWithoutFromClause.js
@@ -9,7 +9,7 @@ import "es6ImportWithoutFromClause_0";
 
 
 //// [es6ImportWithoutFromClause_0.js]
-a = 10;
+export var a = 10;
 //// [es6ImportWithoutFromClause_1.js]
 import "es6ImportWithoutFromClause_0";
 
diff --git a/tests/baselines/reference/es6ModuleConst.js b/tests/baselines/reference/es6ModuleConst.js
new file mode 100644
index 00000000000..51df62059a3
--- /dev/null
+++ b/tests/baselines/reference/es6ModuleConst.js
@@ -0,0 +1,37 @@
+//// [es6ModuleConst.ts]
+export const a = "hello";
+export const x: string = a, y = x;
+const b = y;
+const c: string = b, d = c;
+export module m1 {
+    export const k = a;
+    export const l: string = b, m = k;
+    const n = m1.k;
+    const o: string = n, p = k;
+}
+module m2 {
+    export const k = a;
+    export const l: string = b, m = k;
+    const n = m1.k;
+    const o: string = n, p = k;
+}
+
+//// [es6ModuleConst.js]
+export const a = "hello";
+export const x = a, y = x;
+const b = y;
+const c = b, d = c;
+var m1;
+(function (m1) {
+    m1.k = a;
+    m1.l = b, m1.m = m1.k;
+    const n = m1.k;
+    const o = n, p = m1.k;
+})(m1 = m1 || (m1 = {}));
+var m2;
+(function (m2) {
+    m2.k = a;
+    m2.l = b, m2.m = m2.k;
+    const n = m1.k;
+    const o = n, p = m2.k;
+})(m2 || (m2 = {}));
diff --git a/tests/baselines/reference/es6ModuleConst.types b/tests/baselines/reference/es6ModuleConst.types
new file mode 100644
index 00000000000..cceb74a5e1e
--- /dev/null
+++ b/tests/baselines/reference/es6ModuleConst.types
@@ -0,0 +1,70 @@
+=== tests/cases/compiler/es6ModuleConst.ts ===
+export const a = "hello";
+>a : string
+
+export const x: string = a, y = x;
+>x : string
+>a : string
+>y : string
+>x : string
+
+const b = y;
+>b : string
+>y : string
+
+const c: string = b, d = c;
+>c : string
+>b : string
+>d : string
+>c : string
+
+export module m1 {
+>m1 : typeof m1
+
+    export const k = a;
+>k : string
+>a : string
+
+    export const l: string = b, m = k;
+>l : string
+>b : string
+>m : string
+>k : string
+
+    const n = m1.k;
+>n : string
+>m1.k : string
+>m1 : typeof m1
+>k : string
+
+    const o: string = n, p = k;
+>o : string
+>n : string
+>p : string
+>k : string
+}
+module m2 {
+>m2 : typeof m2
+
+    export const k = a;
+>k : string
+>a : string
+
+    export const l: string = b, m = k;
+>l : string
+>b : string
+>m : string
+>k : string
+
+    const n = m1.k;
+>n : string
+>m1.k : string
+>m1 : typeof m1
+>k : string
+
+    const o: string = n, p = k;
+>o : string
+>n : string
+>p : string
+>k : string
+}
diff --git a/tests/baselines/reference/es6ModuleLet.js b/tests/baselines/reference/es6ModuleLet.js
new file mode 100644
index 00000000000..36633087332
--- /dev/null
+++ b/tests/baselines/reference/es6ModuleLet.js
@@ -0,0 +1,37 @@
+//// [es6ModuleLet.ts]
+export let a = "hello";
+export let x: string = a, y = x;
+let b = y;
+let c: string = b, d = c;
+export module m1 {
+    export let k = a;
+    export let l: string = b, m = k;
+    let n = m1.k;
+    let o: string = n, p = k;
+}
+module m2 {
+    export let k = a;
+    export let l: string = b, m = k;
+    let n = m1.k;
+    let o: string = n, p = k;
+}
+
+//// [es6ModuleLet.js]
+export let a = "hello";
+export let x = a, y = x;
+let b = y;
+let c = b, d = c;
+var m1;
+(function (m1) {
+    m1.k = a;
+    m1.l = b, m1.m = m1.k;
+    let n = m1.k;
+    let o = n, p = m1.k;
+})(m1 = m1 || (m1 = {}));
+var m2;
+(function (m2) {
+    m2.k = a;
+    m2.l = b, m2.m = m2.k;
+    let n = m1.k;
+    let o = n, p = m2.k;
+})(m2 || (m2 = {}));
diff --git a/tests/baselines/reference/es6ModuleLet.types b/tests/baselines/reference/es6ModuleLet.types
new file mode 100644
index 00000000000..4b30c89cc81
--- /dev/null
+++ b/tests/baselines/reference/es6ModuleLet.types
@@ -0,0 +1,70 @@
+=== tests/cases/compiler/es6ModuleLet.ts ===
+export let a = "hello";
+>a : string
+
+export let x: string = a, y = x;
+>x : string
+>a : string
+>y : string
+>x : string
+
+let b = y;
+>b : string
+>y : string
+
+let c: string = b, d = c;
+>c : string
+>b : string
+>d : string
+>c : string
+
+export module m1 {
+>m1 : typeof m1
+
+    export let k = a;
+>k : string
+>a : string
+
+    export let l: string = b, m = k;
+>l : string
+>b : string
+>m : string
+>k : string
+
+    let n = m1.k;
+>n : string
+>m1.k : string
+>m1 : typeof m1
+>k : string
+
+    let o: string = n, p = k;
+>o : string
+>n : string
+>p : string
+>k : string
+}
+module m2 {
+>m2 : typeof m2
+
+    export let k = a;
+>k : string
+>a : string
+
+    export let l: string = b, m = k;
+>l : string
+>b : string
+>m : string
+>k : string
+
+    let n = m1.k;
+>n : string
+>m1.k : string
+>m1 : typeof m1
+>k : string
+
+    let o: string = n, p = k;
+>o : string
+>n : string
+>p : string
+>k : string
+}
diff --git a/tests/baselines/reference/es6ModuleVariableStatement.js b/tests/baselines/reference/es6ModuleVariableStatement.js
new file mode 100644
index 00000000000..aefb8720e9c
--- /dev/null
+++ b/tests/baselines/reference/es6ModuleVariableStatement.js
@@ -0,0 +1,37 @@
+//// [es6ModuleVariableStatement.ts]
+export var a = "hello";
+export var x: string = a, y = x;
+var b = y;
+var c: string = b, d = c;
+export module m1 {
+    export var k = a;
+    export var l: string = b, m = k;
+    var n = m1.k;
+    var o: string = n, p = k;
+}
+module m2 {
+    export var k = a;
+    export var l: string = b, m = k;
+    var n = m1.k;
+    var o: string = n, p = k;
+}
+
+//// [es6ModuleVariableStatement.js]
+export var a = "hello";
+export var x = a, y = x;
+var b = y;
+var c = b, d = c;
+var m1;
+(function (m1) {
+    m1.k = a;
+    m1.l = b, m1.m = m1.k;
+    var n = m1.k;
+    var o = n, p = m1.k;
+})(m1 = m1 || (m1 = {}));
+var m2;
+(function (m2) {
+    m2.k = a;
+    m2.l = b, m2.m = m2.k;
+    var n = m1.k;
+    var o = n, p = m2.k;
+})(m2 || (m2 = {}));
diff --git a/tests/baselines/reference/es6ModuleVariableStatement.types b/tests/baselines/reference/es6ModuleVariableStatement.types
new file mode 100644
index 00000000000..a10d8f6cacb
--- /dev/null
+++ b/tests/baselines/reference/es6ModuleVariableStatement.types
@@ -0,0 +1,70 @@
+=== tests/cases/compiler/es6ModuleVariableStatement.ts ===
+export var a = "hello";
+>a : string
+
+export var x: string = a, y = x;
+>x : string
+>a : string
+>y : string
+>x : string
+
+var b = y;
+>b : string
+>y : string
+
+var c: string = b, d = c;
+>c : string
+>b : string
+>d : string
+>c : string
+
+export module m1 {
+>m1 : typeof m1
+
+    export var k = a;
+>k : string
+>a : string
+
+    export var l: string = b, m = k;
+>l : string
+>b : string
+>m : string
+>k : string
+
+    var n = m1.k;
+>n : string
+>m1.k : string
+>m1 : typeof m1
+>k : string
+
+    var o: string = n, p = k;
+>o : string
+>n : string
+>p : string
+>k : string
+}
+module m2 {
+>m2 : typeof m2
+
+    export var k = a;
+>k : string
+>a : string
+
+    export var l: string = b, m = k;
+>l : string
+>b : string
+>m : string
+>k : string
+
+    var n = m1.k;
+>n : string
+>m1.k : string
+>m1 : typeof m1
+>k : string
+
+    var o: string = n, p = k;
+>o : string
+>n : string
+>p : string
+>k : string
+}
diff --git a/tests/cases/compiler/es6ModuleConst.ts b/tests/cases/compiler/es6ModuleConst.ts
new file mode 100644
index 00000000000..42bf24698a9
--- /dev/null
+++ b/tests/cases/compiler/es6ModuleConst.ts
@@ -0,0 +1,17 @@
+// @target: ES6
+export const a = "hello";
+export const x: string = a, y = x;
+const b = y;
+const c: string = b, d = c;
+export module m1 {
+    export const k = a;
+    export const l: string = b, m = k;
+    const n = m1.k;
+    const o: string = n, p = k;
+}
+module m2 {
+    export const k = a;
+    export const l: string = b, m = k;
+    const n = m1.k;
+    const o: string = n, p = k;
+}
\ No newline at end of file
diff --git a/tests/cases/compiler/es6ModuleLet.ts b/tests/cases/compiler/es6ModuleLet.ts
new file mode 100644
index 00000000000..fc5dfc94bd5
--- /dev/null
+++ b/tests/cases/compiler/es6ModuleLet.ts
@@ -0,0 +1,17 @@
+// @target: ES6
+export let a = "hello";
+export let x: string = a, y = x;
+let b = y;
+let c: string = b, d = c;
+export module m1 {
+    export let k = a;
+    export let l: string = b, m = k;
+    let n = m1.k;
+    let o: string = n, p = k;
+}
+module m2 {
+    export let k = a;
+    export let l: string = b, m = k;
+    let n = m1.k;
+    let o: string = n, p = k;
+}
\ No newline at end of file
diff --git a/tests/cases/compiler/es6ModuleVariableStatement.ts b/tests/cases/compiler/es6ModuleVariableStatement.ts
new file mode 100644
index 00000000000..a3ae29fbe6a
--- /dev/null
+++ b/tests/cases/compiler/es6ModuleVariableStatement.ts
@@ -0,0 +1,17 @@
+// @target: ES6
+export var a = "hello";
+export var x: string = a, y = x;
+var b = y;
+var c: string = b, d = c;
+export module m1 {
+    export var k = a;
+    export var l: string = b, m = k;
+    var n = m1.k;
+    var o: string = n, p = k;
+}
+module m2 {
+    export var k = a;
+    export var l: string = b, m = k;
+    var n = m1.k;
+    var o: string = n, p = k;
+}
\ No newline at end of file