diff --git a/openapi/openapiv2.json b/openapi/openapiv2.json
index 40ad5b28..d24fdd85 100644
--- a/openapi/openapiv2.json
+++ b/openapi/openapiv2.json
@@ -8466,6 +8466,9 @@
             "type": "object",
             "$ref": "#/definitions/v1PendingNexusOperationInfo"
           }
+        },
+        "workflowExtendedInfo": {
+          "$ref": "#/definitions/v1WorkflowExecutionExtendedInfo"
         }
       }
     },
@@ -12901,6 +12904,36 @@
         }
       }
     },
+    "v1WorkflowExecutionExtendedInfo": {
+      "type": "object",
+      "properties": {
+        "executionExpirationTime": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Workflow execution expiration time is defined as workflow start time plus expiration timeout.\nWorkflow start time may change after workflow reset."
+        },
+        "runExpirationTime": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Workflow run expiration time is defined as current workflow run start time plus workflow run timeout."
+        },
+        "cancelRequested": {
+          "type": "boolean",
+          "title": "indicates if the workflow received a cancel request"
+        },
+        "lastResetTime": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Last workflow reset time. Nil if the workflow was never reset."
+        },
+        "originalStartTime": {
+          "type": "string",
+          "format": "date-time",
+          "description": "Original workflow start time."
+        }
+      },
+      "description": "Holds all the extra information about workflow execution that is not part of Visibility."
+    },
     "v1WorkflowExecutionFailedEventAttributes": {
       "type": "object",
       "properties": {
@@ -13015,7 +13048,8 @@
           "$ref": "#/definitions/v1WorkflowExecutionVersioningInfo",
           "description": "Absent value means the workflow execution is not versioned. When present, the execution might\nbe versioned or unversioned, depending on `versioning_info.behavior` and `versioning_info.versioning_override`.\nExperimental. Versioning info is experimental and might change in the future."
         }
-      }
+      },
+      "description": "Hold basic information about a workflow execution.\nThis structure is a part of visibility, and thus contain a limited subset of information."
     },
     "v1WorkflowExecutionOptions": {
       "type": "object",
diff --git a/openapi/openapiv3.yaml b/openapi/openapiv3.yaml
index 41c80f14..01547435 100644
--- a/openapi/openapiv3.yaml
+++ b/openapi/openapiv3.yaml
@@ -6157,6 +6157,8 @@ components:
           type: array
           items:
             $ref: '#/components/schemas/PendingNexusOperationInfo'
+        workflowExtendedInfo:
+          $ref: '#/components/schemas/WorkflowExecutionExtendedInfo'
     Endpoint:
       type: object
       properties:
@@ -10390,6 +10392,31 @@ components:
           description: |-
             If this is set, the new execution inherits the Build ID of the current execution. Otherwise,
              the assignment rules will be used to independently assign a Build ID to the new execution.
+    WorkflowExecutionExtendedInfo:
+      type: object
+      properties:
+        executionExpirationTime:
+          type: string
+          description: |-
+            Workflow execution expiration time is defined as workflow start time plus expiration timeout.
+             Workflow start time may change after workflow reset.
+          format: date-time
+        runExpirationTime:
+          type: string
+          description: Workflow run expiration time is defined as current workflow run start time plus workflow run timeout.
+          format: date-time
+        cancelRequested:
+          type: boolean
+          description: indicates if the workflow received a cancel request
+        lastResetTime:
+          type: string
+          description: Last workflow reset time. Nil if the workflow was never reset.
+          format: date-time
+        originalStartTime:
+          type: string
+          description: Original workflow start time.
+          format: date-time
+      description: Holds all the extra information about workflow execution that is not part of Visibility.
     WorkflowExecutionFailedEventAttributes:
       type: object
       properties:
@@ -10526,6 +10553,9 @@ components:
             Absent value means the workflow execution is not versioned. When present, the execution might
              be versioned or unversioned, depending on `versioning_info.behavior` and `versioning_info.versioning_override`.
              Experimental. Versioning info is experimental and might change in the future.
+      description: |-
+        Hold basic information about a workflow execution.
+         This structure is a part of visibility, and thus contain a limited subset of information.
     WorkflowExecutionOptions:
       type: object
       properties:
diff --git a/temporal/api/workflow/v1/message.proto b/temporal/api/workflow/v1/message.proto
index e272b817..ec5162fa 100644
--- a/temporal/api/workflow/v1/message.proto
+++ b/temporal/api/workflow/v1/message.proto
@@ -43,6 +43,9 @@ import "temporal/api/failure/v1/message.proto";
 import "temporal/api/taskqueue/v1/message.proto";
 import "temporal/api/sdk/v1/user_metadata.proto";
 
+
+// Hold basic information about a workflow execution.
+// This structure is a part of visibility, and thus contain a limited subset of information.
 message WorkflowExecutionInfo {
     temporal.api.common.v1.WorkflowExecution execution = 1;
     temporal.api.common.v1.WorkflowType type = 2;
@@ -109,6 +112,25 @@ message WorkflowExecutionInfo {
     WorkflowExecutionVersioningInfo versioning_info = 22;
 }
 
+// Holds all the extra information about workflow execution that is not part of Visibility.
+message WorkflowExecutionExtendedInfo {
+    // Workflow execution expiration time is defined as workflow start time plus expiration timeout.
+    // Workflow start time may change after workflow reset.
+    google.protobuf.Timestamp execution_expiration_time = 1;
+
+    // Workflow run expiration time is defined as current workflow run start time plus workflow run timeout.
+    google.protobuf.Timestamp run_expiration_time = 2;
+
+    // indicates if the workflow received a cancel request
+    bool cancel_requested = 3;
+
+    // Last workflow reset time. Nil if the workflow was never reset.
+    google.protobuf.Timestamp last_reset_time = 4;
+
+    // Original workflow start time.
+    google.protobuf.Timestamp original_start_time = 5;
+}
+
 // Holds all the information about versioning for a workflow execution.
 // Experimental. Versioning info is experimental and might change in the future.
 message WorkflowExecutionVersioningInfo {
diff --git a/temporal/api/workflowservice/v1/request_response.proto b/temporal/api/workflowservice/v1/request_response.proto
index e4036133..f84e3e2c 100644
--- a/temporal/api/workflowservice/v1/request_response.proto
+++ b/temporal/api/workflowservice/v1/request_response.proto
@@ -982,6 +982,7 @@ message DescribeWorkflowExecutionResponse {
     temporal.api.workflow.v1.PendingWorkflowTaskInfo pending_workflow_task = 5;
     repeated temporal.api.workflow.v1.CallbackInfo callbacks = 6;
     repeated temporal.api.workflow.v1.PendingNexusOperationInfo pending_nexus_operations = 7;
+    temporal.api.workflow.v1.WorkflowExecutionExtendedInfo workflow_extended_info = 8;
 }
 
 // (-- api-linter: core::0203::optional=disabled