diff --git a/EPPlus.sln b/EPPlus.sln
index 4f0be2f..02fa821 100644
--- a/EPPlus.sln
+++ b/EPPlus.sln
@@ -19,6 +19,8 @@
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EPPlusExcelCalculationDemo", "EPPlusExcelCalculationSample\EPPlusExcelCalculationDemo.csproj", "{94CBCEFC-DDBF-4F54-8AEA-4C40BBD2881B}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EPPlusSDK", "EPPlus\EPPlusSDK.csproj", "{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -107,6 +109,24 @@
 		{94CBCEFC-DDBF-4F54-8AEA-4C40BBD2881B}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
 		{94CBCEFC-DDBF-4F54-8AEA-4C40BBD2881B}.Release|Mixed Platforms.Build.0 = Release|Any CPU
 		{94CBCEFC-DDBF-4F54-8AEA-4C40BBD2881B}.Release|x86.ActiveCfg = Release|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Debug|x86.Build.0 = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release 4.0|Any CPU.ActiveCfg = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release 4.0|Any CPU.Build.0 = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release 4.0|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release 4.0|Mixed Platforms.Build.0 = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release 4.0|x86.ActiveCfg = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release 4.0|x86.Build.0 = Debug|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release|x86.ActiveCfg = Release|Any CPU
+		{256597F1-67E5-478D-B5B8-3BBB47CB3D3F}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE