diff --git a/conformance_tests/sysman/test_sysman_ras/src/test_sysman_ras.cpp b/conformance_tests/sysman/test_sysman_ras/src/test_sysman_ras.cpp
index 7aee4613..5cc71feb 100644
--- a/conformance_tests/sysman/test_sysman_ras/src/test_sysman_ras.cpp
+++ b/conformance_tests/sysman/test_sysman_ras/src/test_sysman_ras.cpp
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -41,6 +41,25 @@ void validate_ras_state(zes_ras_state_t detailedThresholds) {
   EXPECT_GE(detailedThresholds.category[ZES_RAS_ERROR_CAT_RESET], 0);
 }
 
+void validate_ras_state_exp(zes_ras_state_exp_t ras_state) {
+  std::vector<zes_ras_error_category_exp_t> error_category = {
+      ZES_RAS_ERROR_CATEGORY_EXP_RESET,
+      ZES_RAS_ERROR_CATEGORY_EXP_PROGRAMMING_ERRORS,
+      ZES_RAS_ERROR_CATEGORY_EXP_DRIVER_ERRORS,
+      ZES_RAS_ERROR_CATEGORY_EXP_COMPUTE_ERRORS,
+      ZES_RAS_ERROR_CATEGORY_EXP_NON_COMPUTE_ERRORS,
+      ZES_RAS_ERROR_CATEGORY_EXP_CACHE_ERRORS,
+      ZES_RAS_ERROR_CATEGORY_EXP_DISPLAY_ERRORS,
+      ZES_RAS_ERROR_CATEGORY_EXP_MEMORY_ERRORS,
+      ZES_RAS_ERROR_CATEGORY_EXP_SCALE_ERRORS,
+      ZES_RAS_ERROR_CATEGORY_EXP_L3FABRIC_ERRORS};
+
+  EXPECT_NE(error_category.end(),
+            std::find(error_category.begin(), error_category.end(),
+                      ras_state.category));
+  EXPECT_GE(ras_state.errorCounter, 0);
+}
+
 void validate_ras_config(zes_ras_config_t rasConfig) {
   EXPECT_LT(rasConfig.totalThreshold, UINT64_MAX);
   EXPECT_GE(rasConfig.totalThreshold, 0);
@@ -240,4 +259,57 @@ TEST_F(
     }
   }
 }
+
+TEST_F(RAS_TEST,
+       GivenValidRASHandleWhenRetrievingStateExpThenValidStateExpIsReturned) {
+  for (auto device : devices) {
+    uint32_t count = 0;
+    auto ras_handles = lzt::get_ras_handles(device, count);
+    if (count == 0) {
+      FAIL() << "No handles found: "
+             << _ze_result_t(ZE_RESULT_ERROR_UNSUPPORTED_FEATURE);
+    }
+
+    for (auto ras_handle : ras_handles) {
+      ASSERT_NE(nullptr, ras_handle);
+      auto ras_states = lzt::ras_get_state_exp(ras_handle);
+      for (auto state : ras_states) {
+        validate_ras_state_exp(state);
+      }
+    }
+  }
+}
+
+TEST_F(
+    RAS_TEST,
+    GivenValidRASHandleWhenRetrievingStateExpAfterInvokingClearstateExpThenUpdatedStateExpIsReturned) {
+  for (auto device : devices) {
+    uint32_t count = 0;
+    auto ras_handles = lzt::get_ras_handles(device, count);
+    if (count == 0) {
+      FAIL() << "No handles found: "
+             << _ze_result_t(ZE_RESULT_ERROR_UNSUPPORTED_FEATURE);
+    }
+
+    for (auto ras_handle : ras_handles) {
+      ASSERT_NE(nullptr, ras_handle);
+      uint32_t initial_errors = 0;
+      uint32_t errors_after_clear = 0;
+      auto ras_states = lzt::ras_get_state_exp(ras_handle);
+
+      for (auto state : ras_states) {
+        validate_ras_state_exp(state);
+        initial_errors += state.errorCounter;
+        lzt::ras_clear_state_exp(ras_handle, state.category);
+      }
+
+      ras_states = lzt::ras_get_state_exp(ras_handle);
+      for (auto state : ras_states) {
+        validate_ras_state_exp(state);
+        errors_after_clear += state.errorCounter;
+      }
+      EXPECT_LE(errors_after_clear, initial_errors);
+    }
+  }
+}
 } // namespace
diff --git a/utils/test_harness/sysman/include/test_harness_sysman_ras.hpp b/utils/test_harness/sysman/include/test_harness_sysman_ras.hpp
index ff77f818..65cd7827 100644
--- a/utils/test_harness/sysman/include/test_harness_sysman_ras.hpp
+++ b/utils/test_harness/sysman/include/test_harness_sysman_ras.hpp
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright (C) 2020 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -20,6 +20,9 @@ zes_ras_config_t get_ras_config(zes_ras_handle_t rasHandle);
 void set_ras_config(zes_ras_handle_t rasHandle, zes_ras_config_t rasConfig);
 zes_ras_state_t get_ras_state(zes_ras_handle_t rasHandle, ze_bool_t clear);
 uint64_t sum_of_ras_errors(zes_ras_state_t state);
+std::vector<zes_ras_state_exp_t> ras_get_state_exp(zes_ras_handle_t ras_handle);
+void ras_clear_state_exp(zes_ras_handle_t ras_handle,
+                         zes_ras_error_category_exp_t category);
 } // namespace level_zero_tests
 
 #endif
diff --git a/utils/test_harness/sysman/src/test_harness_sysman_ras.cpp b/utils/test_harness/sysman/src/test_harness_sysman_ras.cpp
index 11f1a203..c3df11cb 100644
--- a/utils/test_harness/sysman/src/test_harness_sysman_ras.cpp
+++ b/utils/test_harness/sysman/src/test_harness_sysman_ras.cpp
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright (C) 2020 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -65,4 +65,18 @@ zes_ras_state_t get_ras_state(zes_ras_handle_t rasHandle, ze_bool_t clear) {
   EXPECT_EQ(ZE_RESULT_SUCCESS, zesRasGetState(rasHandle, clear, &state));
   return state;
 }
+std::vector<zes_ras_state_exp_t>
+ras_get_state_exp(zes_ras_handle_t ras_handle) {
+  uint32_t count = 0;
+  EXPECT_EQ(ZE_RESULT_SUCCESS, zesRasGetStateExp(ras_handle, &count, NULL));
+  EXPECT_GT(count, 0);
+  std::vector<zes_ras_state_exp_t> states(count);
+  EXPECT_EQ(ZE_RESULT_SUCCESS,
+            zesRasGetStateExp(ras_handle, &count, states.data()));
+  return states;
+}
+void ras_clear_state_exp(zes_ras_handle_t ras_handle,
+                         zes_ras_error_category_exp_t category) {
+  EXPECT_EQ(ZE_RESULT_SUCCESS, zesRasClearStateExp(ras_handle, category));
+}
 } // namespace level_zero_tests