diff --git a/ext/opentelemetry-ext-azure-monitor/CHANGELOG.md b/ext/opentelemetry-ext-azure-monitor/CHANGELOG.md
new file mode 100644
index 00000000000..5838fb403b7
--- /dev/null
+++ b/ext/opentelemetry-ext-azure-monitor/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## Unreleased
+
+## 0.1a.0
+Released 2019-09-30
+
+- Initial release
diff --git a/ext/opentelemetry-ext-http-requests/CHANGELOG.md b/ext/opentelemetry-ext-http-requests/CHANGELOG.md
new file mode 100644
index 00000000000..5838fb403b7
--- /dev/null
+++ b/ext/opentelemetry-ext-http-requests/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## Unreleased
+
+## 0.1a.0
+Released 2019-09-30
+
+- Initial release
diff --git a/ext/opentelemetry-ext-wsgi/CHANGELOG.md b/ext/opentelemetry-ext-wsgi/CHANGELOG.md
new file mode 100644
index 00000000000..5838fb403b7
--- /dev/null
+++ b/ext/opentelemetry-ext-wsgi/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## Unreleased
+
+## 0.1a.0
+Released 2019-09-30
+
+- Initial release
diff --git a/opentelemetry-api/CHANGELOG.md b/opentelemetry-api/CHANGELOG.md
index 09e4c38c763..b63bb4eb141 100644
--- a/opentelemetry-api/CHANGELOG.md
+++ b/opentelemetry-api/CHANGELOG.md
@@ -2,3 +2,8 @@
 
 ## Unreleased
 - Initial release
+
+## 0.1a.0
+Released 2019-09-30
+
+- Initial release
diff --git a/opentelemetry-sdk/CHANGELOG.md b/opentelemetry-sdk/CHANGELOG.md
index 09e4c38c763..5838fb403b7 100644
--- a/opentelemetry-sdk/CHANGELOG.md
+++ b/opentelemetry-sdk/CHANGELOG.md
@@ -1,4 +1,8 @@
 # Changelog
 
 ## Unreleased
+
+## 0.1a.0
+Released 2019-09-30
+
 - Initial release