diff --git a/oem/ibm/libpldm/platform_oem_ibm.c b/oem/ibm/libpldm/platform_oem_ibm.c
new file mode 100644
index 0000000..1cf7e86
--- /dev/null
+++ b/oem/ibm/libpldm/platform_oem_ibm.c
@@ -0,0 +1,52 @@
+#include "platform_oem_ibm.h"
+#include "platform.h"
+#include <string.h>
+
+int encode_bios_attribute_update_event_req(uint8_t instance_id,
+					   uint8_t format_version, uint8_t tid,
+					   uint8_t num_handles,
+					   const uint8_t *list_of_handles,
+					   size_t payload_length,
+					   struct pldm_msg *msg)
+{
+	struct pldm_header_info header = {0};
+	int rc = PLDM_SUCCESS;
+
+	header.msg_type = PLDM_REQUEST;
+	header.instance = instance_id;
+	header.pldm_type = PLDM_PLATFORM;
+	header.command = PLDM_PLATFORM_EVENT_MESSAGE;
+
+	if (format_version != 1) {
+		return PLDM_ERROR_INVALID_DATA;
+	}
+
+	if (msg == NULL || list_of_handles == NULL) {
+		return PLDM_ERROR_INVALID_DATA;
+	}
+
+	if (num_handles == 0) {
+		return PLDM_ERROR_INVALID_DATA;
+	}
+
+	if (payload_length !=
+	    (PLDM_PLATFORM_EVENT_MESSAGE_MIN_REQ_BYTES + sizeof(num_handles) +
+	     (num_handles * sizeof(uint16_t)))) {
+		return PLDM_ERROR_INVALID_LENGTH;
+	}
+
+	if ((rc = pack_pldm_header(&header, &(msg->hdr))) > PLDM_SUCCESS) {
+		return rc;
+	}
+
+	struct pldm_bios_attribute_update_event_req *request =
+	    (struct pldm_bios_attribute_update_event_req *)msg->payload;
+	request->format_version = format_version;
+	request->tid = tid;
+	request->event_class = PLDM_EVENT_TYPE_OEM_EVENT_BIOS_ATTRIBUTE_UPDATE;
+	request->num_handles = num_handles;
+	memcpy(request->bios_attribute_handles, list_of_handles,
+	       num_handles * sizeof(uint16_t));
+
+	return PLDM_SUCCESS;
+}
\ No newline at end of file
diff --git a/oem/ibm/libpldm/platform_oem_ibm.h b/oem/ibm/libpldm/platform_oem_ibm.h
new file mode 100644
index 0000000..7d918e7
--- /dev/null
+++ b/oem/ibm/libpldm/platform_oem_ibm.h
@@ -0,0 +1,56 @@
+#ifndef PLATFORM_OEM_IBM_H
+#define PLATFORM_OEM_IBM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "base.h"
+#include <stddef.h>
+#include <stdint.h>
+
+enum pldm_event_types_ibm_oem {
+	PLDM_EVENT_TYPE_OEM_EVENT_BIOS_ATTRIBUTE_UPDATE = 0xF0,
+};
+
+/** @struct pldm_bios_attribute_update_event_req
+ *
+ * 	Structure representing PlatformEventMessage command request data for OEM
+ *  event type BIOS attribute update.
+ */
+struct pldm_bios_attribute_update_event_req {
+	uint8_t format_version;
+	uint8_t tid;
+	uint8_t event_class;
+	uint8_t num_handles;
+	uint8_t bios_attribute_handles[1];
+} __attribute__((packed));
+
+/** @brief Encode PlatformEventMessage request data for BIOS attribute update
+ *
+ *  @param[in] instance_id - Message's instance id
+ *  @param[in] format_version - Version of the event format
+ *  @param[in] tid - Terminus ID for the terminus that originated the event
+ *                   message
+ *  @param[in] num_handles - Number of BIOS handles with an update
+ *  @param[in] list_of_handles - Pointer to the list of BIOS attribute handles
+ *  @param[in] payload_length - Length of request message payload
+ *  @param[out] msg - Message will be written to this
+ *
+ *  @return pldm_completion_codes
+ *
+ *  @note  Caller is responsible for memory alloc and dealloc of param
+ *         'msg.payload'
+ */
+int encode_bios_attribute_update_event_req(uint8_t instance_id,
+					   uint8_t format_version, uint8_t tid,
+					   uint8_t num_handles,
+					   const uint8_t *list_of_handles,
+					   size_t payload_length,
+					   struct pldm_msg *msg);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PLATFORM_OEM_IBM_H */
\ No newline at end of file