diff --git a/CHANGELOG.md b/CHANGELOG.md
index f29f8524a9f..f2a4e7f95c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -62,6 +62,10 @@ release.
 
 ### SDK Configuration
 
+- Mark `OTEL_METRIC_EXPORT_INTERVAL`, `OTEL_METRIC_EXPORT_TIMEOUT`
+  environment variables as Stable
+  ([#2658](https://github.com/open-telemetry/opentelemetry-specification/pull/2658))
+
 ### Telemetry Schemas
 
 ### Common
diff --git a/spec-compliance-matrix.md b/spec-compliance-matrix.md
index 8eaf2b6c833..c327bfc94c1 100644
--- a/spec-compliance-matrix.md
+++ b/spec-compliance-matrix.md
@@ -288,6 +288,8 @@ Note: Support for environment variables is optional.
 |OTEL_TRACES_SAMPLER_ARG                           | + | +    |   | +    | +  | +    |   | -  | - | -  |     |
 |OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT                 | + | -    |   | +    | +  | -    |   |    |   | -  |     |
 |OTEL_ATTRIBUTE_COUNT_LIMIT                        | + | -    |   | +    | +  | -    |   |    |   | -  |     |
+|OTEL_METRIC_EXPORT_INTERVAL                       | - | +    |   |      |    |      | + |    |   | -  |     |
+|OTEL_METRIC_EXPORT_TIMEOUT                        | - | -    |   |      |    |      | + |    |   | -  |     |
 |OTEL_METRICS_EXEMPLAR_FILTER                      | - | +    |   |      |    |      |   |    |   | -  |     |
 |OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE | - | +    |   | +    |    |      |   |    |   | -  |     |
 
diff --git a/specification/sdk-environment-variables.md b/specification/sdk-environment-variables.md
index e5925975b46..7820caf07b0 100644
--- a/specification/sdk-environment-variables.md
+++ b/specification/sdk-environment-variables.md
@@ -237,7 +237,7 @@ Known values for `OTEL_LOGS_EXPORTER` are:
 
 ## Metrics SDK Configuration
 
-**Status**: [Experimental](document-status.md)
+**Status**: [Mixed](document-status.md)
 
 | Name            | Description | Default | Notes |
 |-----------------|---------|-------------|---------|
@@ -251,6 +251,11 @@ Known values for `OTEL_METRICS_EXEMPLAR_FILTER` are:
 
 ### Periodic exporting MetricReader
 
+**Status**: [Stable](document-status.md)
+
+Environment variables specific for the push metrics exporters (OTLP, stdout, in-memory)
+that use [periodic exporting MetricReader](metrics/sdk.md#periodic-exporting-metricreader).
+
 | Name                          | Description                                                                   | Default | Notes |
 | ----------------------------- | ----------------------------------------------------------------------------- | ------- | ----- |
 | `OTEL_METRIC_EXPORT_INTERVAL` | The time interval (in milliseconds) between the start of two export attempts. | 60000   |       |