diff --git a/include/ur_api.h b/include/ur_api.h
index 28569597c4..e504a3aa88 100644
--- a/include/ur_api.h
+++ b/include/ur_api.h
@@ -9536,6 +9536,7 @@ urEnqueueCooperativeKernelLaunchExp(
 ///     - ::UR_RESULT_ERROR_ADAPTER_SPECIFIC
 ///     - ::UR_RESULT_ERROR_INVALID_NULL_HANDLE
 ///         + `NULL == hKernel`
+///         + `NULL == hDevice`
 ///     - ::UR_RESULT_ERROR_INVALID_NULL_POINTER
 ///         + `NULL == pLocalWorkSize`
 ///         + `NULL == pGroupCountRet`
@@ -9543,6 +9544,7 @@ urEnqueueCooperativeKernelLaunchExp(
 UR_APIEXPORT ur_result_t UR_APICALL
 urKernelSuggestMaxCooperativeGroupCountExp(
     ur_kernel_handle_t hKernel,     ///< [in] handle of the kernel object
+    ur_device_handle_t hDevice,     ///< [in] handle of the device object
     uint32_t workDim,               ///< [in] number of dimensions, from 1 to 3, to specify the work-group
                                     ///< work-items
     const size_t *pLocalWorkSize,   ///< [in] pointer to an array of workDim unsigned values that specify the
@@ -11083,6 +11085,7 @@ typedef struct ur_kernel_set_specialization_constants_params_t {
 ///     allowing the callback the ability to modify the parameter's value
 typedef struct ur_kernel_suggest_max_cooperative_group_count_exp_params_t {
     ur_kernel_handle_t *phKernel;
+    ur_device_handle_t *phDevice;
     uint32_t *pworkDim;
     const size_t **ppLocalWorkSize;
     size_t *pdynamicSharedMemorySize;
diff --git a/include/ur_ddi.h b/include/ur_ddi.h
index eeb323fc58..2384a68ea1 100644
--- a/include/ur_ddi.h
+++ b/include/ur_ddi.h
@@ -651,6 +651,7 @@ typedef ur_result_t(UR_APICALL *ur_pfnGetKernelProcAddrTable_t)(
 /// @brief Function-pointer for urKernelSuggestMaxCooperativeGroupCountExp
 typedef ur_result_t(UR_APICALL *ur_pfnKernelSuggestMaxCooperativeGroupCountExp_t)(
     ur_kernel_handle_t,
+    ur_device_handle_t,
     uint32_t,
     const size_t *,
     size_t,
diff --git a/include/ur_print.hpp b/include/ur_print.hpp
index 5255a20f78..08a2fc6ce2 100644
--- a/include/ur_print.hpp
+++ b/include/ur_print.hpp
@@ -13187,6 +13187,12 @@ inline std::ostream &operator<<(std::ostream &os, [[maybe_unused]] const struct
     ur::details::printPtr(os,
                           *(params->phKernel));
 
+    os << ", ";
+    os << ".hDevice = ";
+
+    ur::details::printPtr(os,
+                          *(params->phDevice));
+
     os << ", ";
     os << ".workDim = ";
 
diff --git a/scripts/core/exp-cooperative-kernels.yml b/scripts/core/exp-cooperative-kernels.yml
index ad3ba0ffba..6020ca5f45 100644
--- a/scripts/core/exp-cooperative-kernels.yml
+++ b/scripts/core/exp-cooperative-kernels.yml
@@ -78,6 +78,9 @@ params:
     - type: $x_kernel_handle_t
       name: hKernel
       desc: "[in] handle of the kernel object"
+    - type: $x_device_handle_t
+      name: hDevice
+      desc: "[in] handle of the device object"
     - type: uint32_t
       name: workDim
       desc: "[in] number of dimensions, from 1 to 3, to specify the work-group work-items"
diff --git a/source/adapters/cuda/kernel.cpp b/source/adapters/cuda/kernel.cpp
index 46c4907d4b..340e5ff634 100644
--- a/source/adapters/cuda/kernel.cpp
+++ b/source/adapters/cuda/kernel.cpp
@@ -190,10 +190,13 @@ UR_APIEXPORT ur_result_t UR_APICALL urKernelGetNativeHandle(
 }
 
 UR_APIEXPORT ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
-    ur_kernel_handle_t hKernel, uint32_t workDim, const size_t *pLocalWorkSize,
-    size_t dynamicSharedMemorySize, uint32_t *pGroupCountRet) {
+    ur_kernel_handle_t hKernel, ur_device_handle_t hDevice, uint32_t workDim,
+    const size_t *pLocalWorkSize, size_t dynamicSharedMemorySize,
+    uint32_t *pGroupCountRet) {
   UR_ASSERT(hKernel, UR_RESULT_ERROR_INVALID_KERNEL);
 
+  std::ignore = hDevice;
+
   size_t localWorkSize = pLocalWorkSize[0];
   localWorkSize *= (workDim >= 2 ? pLocalWorkSize[1] : 1);
   localWorkSize *= (workDim == 3 ? pLocalWorkSize[2] : 1);
diff --git a/source/adapters/hip/kernel.cpp b/source/adapters/hip/kernel.cpp
index 1ba50c4360..a5aefb1293 100644
--- a/source/adapters/hip/kernel.cpp
+++ b/source/adapters/hip/kernel.cpp
@@ -169,9 +169,11 @@ urKernelGetNativeHandle(ur_kernel_handle_t, ur_native_handle_t *) {
 }
 
 UR_APIEXPORT ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
-    ur_kernel_handle_t hKernel, uint32_t workDim, const size_t *pLocalWorkSize,
-    size_t dynamicSharedMemorySize, uint32_t *pGroupCountRet) {
+    ur_kernel_handle_t hKernel, ur_device_handle_t hDevice, uint32_t workDim,
+    const size_t *pLocalWorkSize, size_t dynamicSharedMemorySize,
+    uint32_t *pGroupCountRet) {
   std::ignore = hKernel;
+  std::ignore = hDevice;
   std::ignore = workDim;
   std::ignore = pLocalWorkSize;
   std::ignore = dynamicSharedMemorySize;
diff --git a/source/adapters/level_zero/kernel.cpp b/source/adapters/level_zero/kernel.cpp
index b15b4ce147..db9337289f 100644
--- a/source/adapters/level_zero/kernel.cpp
+++ b/source/adapters/level_zero/kernel.cpp
@@ -1054,8 +1054,9 @@ ur_result_t urKernelGetNativeHandle(
 }
 
 ur_result_t urKernelSuggestMaxCooperativeGroupCountExp(
-    ur_kernel_handle_t hKernel, uint32_t workDim, const size_t *pLocalWorkSize,
-    size_t dynamicSharedMemorySize, uint32_t *pGroupCountRet) {
+    ur_kernel_handle_t hKernel, ur_device_handle_t hDevice, uint32_t workDim,
+    const size_t *pLocalWorkSize, size_t dynamicSharedMemorySize,
+    uint32_t *pGroupCountRet) {
   (void)dynamicSharedMemorySize;
   std::shared_lock<ur_shared_mutex> Guard(hKernel->Mutex);
 
@@ -1066,8 +1067,10 @@ ur_result_t urKernelSuggestMaxCooperativeGroupCountExp(
   ZE2UR_CALL(zeKernelSetGroupSize, (hKernel->ZeKernel, WG[0], WG[1], WG[2]));
 
   uint32_t TotalGroupCount = 0;
+  ze_kernel_handle_t ZeKernel;
+  UR_CALL(getZeKernel(hDevice->ZeDevice, hKernel, &ZeKernel));
   ZE2UR_CALL(zeKernelSuggestMaxCooperativeGroupCount,
-             (hKernel->ZeKernel, &TotalGroupCount));
+             (ZeKernel, &TotalGroupCount));
   *pGroupCountRet = TotalGroupCount;
   return UR_RESULT_SUCCESS;
 }
diff --git a/source/adapters/level_zero/ur_interface_loader.hpp b/source/adapters/level_zero/ur_interface_loader.hpp
index 5bd7c904f1..f2fd6a46d4 100644
--- a/source/adapters/level_zero/ur_interface_loader.hpp
+++ b/source/adapters/level_zero/ur_interface_loader.hpp
@@ -691,8 +691,9 @@ ur_result_t urEnqueueCooperativeKernelLaunchExp(
     const size_t *pLocalWorkSize, uint32_t numEventsInWaitList,
     const ur_event_handle_t *phEventWaitList, ur_event_handle_t *phEvent);
 ur_result_t urKernelSuggestMaxCooperativeGroupCountExp(
-    ur_kernel_handle_t hKernel, uint32_t workDim, const size_t *pLocalWorkSize,
-    size_t dynamicSharedMemorySize, uint32_t *pGroupCountRet);
+    ur_kernel_handle_t hKernel, ur_device_handle_t hDevice, uint32_t workDim,
+    const size_t *pLocalWorkSize, size_t dynamicSharedMemorySize,
+    uint32_t *pGroupCountRet);
 ur_result_t urEnqueueTimestampRecordingExp(
     ur_queue_handle_t hQueue, bool blocking, uint32_t numEventsInWaitList,
     const ur_event_handle_t *phEventWaitList, ur_event_handle_t *phEvent);
diff --git a/source/adapters/level_zero/v2/api.cpp b/source/adapters/level_zero/v2/api.cpp
index c04d4cf6ca..5fa6478118 100644
--- a/source/adapters/level_zero/v2/api.cpp
+++ b/source/adapters/level_zero/v2/api.cpp
@@ -560,8 +560,9 @@ ur_result_t urCommandBufferCommandGetInfoExp(
 }
 
 ur_result_t urKernelSuggestMaxCooperativeGroupCountExp(
-    ur_kernel_handle_t hKernel, uint32_t workDim, const size_t *pLocalWorkSize,
-    size_t dynamicSharedMemorySize, uint32_t *pGroupCountRet) {
+    ur_kernel_handle_t hKernel, ur_device_handle_t hDevice, uint32_t workDim,
+    const size_t *pLocalWorkSize, size_t dynamicSharedMemorySize,
+    uint32_t *pGroupCountRet) {
   logger::error("{} function not implemented!", __FUNCTION__);
   return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
 }
diff --git a/source/adapters/mock/ur_mockddi.cpp b/source/adapters/mock/ur_mockddi.cpp
index b60be1d561..b27c4efaa1 100644
--- a/source/adapters/mock/ur_mockddi.cpp
+++ b/source/adapters/mock/ur_mockddi.cpp
@@ -10057,6 +10057,7 @@ __urdlllocal ur_result_t UR_APICALL urEnqueueCooperativeKernelLaunchExp(
 /// @brief Intercept function for urKernelSuggestMaxCooperativeGroupCountExp
 __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     ur_kernel_handle_t hKernel, ///< [in] handle of the kernel object
+    ur_device_handle_t hDevice, ///< [in] handle of the device object
     uint32_t
         workDim, ///< [in] number of dimensions, from 1 to 3, to specify the work-group
                  ///< work-items
@@ -10072,7 +10073,11 @@ __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     ur_result_t result = UR_RESULT_SUCCESS;
 
     ur_kernel_suggest_max_cooperative_group_count_exp_params_t params = {
-        &hKernel, &workDim, &pLocalWorkSize, &dynamicSharedMemorySize,
+        &hKernel,
+        &hDevice,
+        &workDim,
+        &pLocalWorkSize,
+        &dynamicSharedMemorySize,
         &pGroupCountRet};
 
     auto beforeCallback = reinterpret_cast<ur_mock_callback_t>(
diff --git a/source/adapters/opencl/kernel.cpp b/source/adapters/opencl/kernel.cpp
index df160b65eb..fb2c735adc 100644
--- a/source/adapters/opencl/kernel.cpp
+++ b/source/adapters/opencl/kernel.cpp
@@ -390,6 +390,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urKernelGetNativeHandle(
 
 UR_APIEXPORT ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     [[maybe_unused]] ur_kernel_handle_t hKernel,
+    [[maybe_unused]] ur_device_handle_t hDevice,
     [[maybe_unused]] uint32_t workDim,
     [[maybe_unused]] const size_t *pLocalWorkSize,
     [[maybe_unused]] size_t dynamicSharedMemorySize,
diff --git a/source/loader/layers/tracing/ur_trcddi.cpp b/source/loader/layers/tracing/ur_trcddi.cpp
index 55f8d00bea..3e8043a258 100644
--- a/source/loader/layers/tracing/ur_trcddi.cpp
+++ b/source/loader/layers/tracing/ur_trcddi.cpp
@@ -8633,6 +8633,7 @@ __urdlllocal ur_result_t UR_APICALL urEnqueueCooperativeKernelLaunchExp(
 /// @brief Intercept function for urKernelSuggestMaxCooperativeGroupCountExp
 __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     ur_kernel_handle_t hKernel, ///< [in] handle of the kernel object
+    ur_device_handle_t hDevice, ///< [in] handle of the device object
     uint32_t
         workDim, ///< [in] number of dimensions, from 1 to 3, to specify the work-group
                  ///< work-items
@@ -8654,7 +8655,11 @@ __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     }
 
     ur_kernel_suggest_max_cooperative_group_count_exp_params_t params = {
-        &hKernel, &workDim, &pLocalWorkSize, &dynamicSharedMemorySize,
+        &hKernel,
+        &hDevice,
+        &workDim,
+        &pLocalWorkSize,
+        &dynamicSharedMemorySize,
         &pGroupCountRet};
     uint64_t instance = getContext()->notify_begin(
         UR_FUNCTION_KERNEL_SUGGEST_MAX_COOPERATIVE_GROUP_COUNT_EXP,
@@ -8664,7 +8669,7 @@ __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     logger.info("   ---> urKernelSuggestMaxCooperativeGroupCountExp\n");
 
     ur_result_t result = pfnSuggestMaxCooperativeGroupCountExp(
-        hKernel, workDim, pLocalWorkSize, dynamicSharedMemorySize,
+        hKernel, hDevice, workDim, pLocalWorkSize, dynamicSharedMemorySize,
         pGroupCountRet);
 
     getContext()->notify_end(
diff --git a/source/loader/layers/validation/ur_valddi.cpp b/source/loader/layers/validation/ur_valddi.cpp
index 6e48f79edc..d13df673cd 100644
--- a/source/loader/layers/validation/ur_valddi.cpp
+++ b/source/loader/layers/validation/ur_valddi.cpp
@@ -9656,6 +9656,7 @@ __urdlllocal ur_result_t UR_APICALL urEnqueueCooperativeKernelLaunchExp(
 /// @brief Intercept function for urKernelSuggestMaxCooperativeGroupCountExp
 __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     ur_kernel_handle_t hKernel, ///< [in] handle of the kernel object
+    ur_device_handle_t hDevice, ///< [in] handle of the device object
     uint32_t
         workDim, ///< [in] number of dimensions, from 1 to 3, to specify the work-group
                  ///< work-items
@@ -9681,6 +9682,10 @@ __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
             return UR_RESULT_ERROR_INVALID_NULL_HANDLE;
         }
 
+        if (NULL == hDevice) {
+            return UR_RESULT_ERROR_INVALID_NULL_HANDLE;
+        }
+
         if (NULL == pLocalWorkSize) {
             return UR_RESULT_ERROR_INVALID_NULL_POINTER;
         }
@@ -9695,8 +9700,13 @@ __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
         getContext()->refCountContext->logInvalidReference(hKernel);
     }
 
+    if (getContext()->enableLifetimeValidation &&
+        !getContext()->refCountContext->isReferenceValid(hDevice)) {
+        getContext()->refCountContext->logInvalidReference(hDevice);
+    }
+
     ur_result_t result = pfnSuggestMaxCooperativeGroupCountExp(
-        hKernel, workDim, pLocalWorkSize, dynamicSharedMemorySize,
+        hKernel, hDevice, workDim, pLocalWorkSize, dynamicSharedMemorySize,
         pGroupCountRet);
 
     return result;
diff --git a/source/loader/ur_ldrddi.cpp b/source/loader/ur_ldrddi.cpp
index c74b9d6caf..480678d598 100644
--- a/source/loader/ur_ldrddi.cpp
+++ b/source/loader/ur_ldrddi.cpp
@@ -8844,6 +8844,7 @@ __urdlllocal ur_result_t UR_APICALL urEnqueueCooperativeKernelLaunchExp(
 /// @brief Intercept function for urKernelSuggestMaxCooperativeGroupCountExp
 __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     ur_kernel_handle_t hKernel, ///< [in] handle of the kernel object
+    ur_device_handle_t hDevice, ///< [in] handle of the device object
     uint32_t
         workDim, ///< [in] number of dimensions, from 1 to 3, to specify the work-group
                  ///< work-items
@@ -8871,9 +8872,12 @@ __urdlllocal ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     // convert loader handle to platform handle
     hKernel = reinterpret_cast<ur_kernel_object_t *>(hKernel)->handle;
 
+    // convert loader handle to platform handle
+    hDevice = reinterpret_cast<ur_device_object_t *>(hDevice)->handle;
+
     // forward to device-platform
     result = pfnSuggestMaxCooperativeGroupCountExp(
-        hKernel, workDim, pLocalWorkSize, dynamicSharedMemorySize,
+        hKernel, hDevice, workDim, pLocalWorkSize, dynamicSharedMemorySize,
         pGroupCountRet);
 
     return result;
diff --git a/source/loader/ur_libapi.cpp b/source/loader/ur_libapi.cpp
index e257366a7f..fc24d9347b 100644
--- a/source/loader/ur_libapi.cpp
+++ b/source/loader/ur_libapi.cpp
@@ -8935,12 +8935,14 @@ ur_result_t UR_APICALL urEnqueueCooperativeKernelLaunchExp(
 ///     - ::UR_RESULT_ERROR_ADAPTER_SPECIFIC
 ///     - ::UR_RESULT_ERROR_INVALID_NULL_HANDLE
 ///         + `NULL == hKernel`
+///         + `NULL == hDevice`
 ///     - ::UR_RESULT_ERROR_INVALID_NULL_POINTER
 ///         + `NULL == pLocalWorkSize`
 ///         + `NULL == pGroupCountRet`
 ///     - ::UR_RESULT_ERROR_INVALID_KERNEL
 ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     ur_kernel_handle_t hKernel, ///< [in] handle of the kernel object
+    ur_device_handle_t hDevice, ///< [in] handle of the device object
     uint32_t
         workDim, ///< [in] number of dimensions, from 1 to 3, to specify the work-group
                  ///< work-items
@@ -8961,7 +8963,7 @@ ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     }
 
     return pfnSuggestMaxCooperativeGroupCountExp(
-        hKernel, workDim, pLocalWorkSize, dynamicSharedMemorySize,
+        hKernel, hDevice, workDim, pLocalWorkSize, dynamicSharedMemorySize,
         pGroupCountRet);
 } catch (...) {
     return exceptionToResult(std::current_exception());
diff --git a/source/ur_api.cpp b/source/ur_api.cpp
index 793045bcb4..eb3f20c77b 100644
--- a/source/ur_api.cpp
+++ b/source/ur_api.cpp
@@ -7578,12 +7578,14 @@ ur_result_t UR_APICALL urEnqueueCooperativeKernelLaunchExp(
 ///     - ::UR_RESULT_ERROR_ADAPTER_SPECIFIC
 ///     - ::UR_RESULT_ERROR_INVALID_NULL_HANDLE
 ///         + `NULL == hKernel`
+///         + `NULL == hDevice`
 ///     - ::UR_RESULT_ERROR_INVALID_NULL_POINTER
 ///         + `NULL == pLocalWorkSize`
 ///         + `NULL == pGroupCountRet`
 ///     - ::UR_RESULT_ERROR_INVALID_KERNEL
 ur_result_t UR_APICALL urKernelSuggestMaxCooperativeGroupCountExp(
     ur_kernel_handle_t hKernel, ///< [in] handle of the kernel object
+    ur_device_handle_t hDevice, ///< [in] handle of the device object
     uint32_t
         workDim, ///< [in] number of dimensions, from 1 to 3, to specify the work-group
                  ///< work-items