diff --git a/object/convert.go b/object/convert.go
index 99047dc..6e8ecff 100644
--- a/object/convert.go
+++ b/object/convert.go
@@ -271,6 +271,7 @@ func (h *ECHeader) ToGRPCMessage() grpc.Message {
 		m.Parent = h.Parent.ToGRPCMessage().(*refsGRPC.ObjectID)
 		m.ParentSplitId = h.ParentSplitID
 		m.ParentSplitParentId = h.ParentSplitParentID.ToGRPCMessage().(*refsGRPC.ObjectID)
+		m.ParentAttributes = AttributesToGRPC(h.ParentAttributes)
 		m.Index = h.Index
 		m.Total = h.Total
 		m.Header = h.Header
@@ -318,6 +319,10 @@ func (h *ECHeader) FromGRPCMessage(m grpc.Message) error {
 		}
 	}
 
+	if h.ParentAttributes, err = AttributesFromGRPC(v.GetParentAttributes()); err != nil {
+		return err
+	}
+
 	h.Index = v.GetIndex()
 	h.Total = v.GetTotal()
 	h.Header = v.GetHeader()
diff --git a/object/grpc/types.pb.go b/object/grpc/types.pb.go
index 3cb44a3..16736e9 100644
--- a/object/grpc/types.pb.go
+++ b/object/grpc/types.pb.go
@@ -831,6 +831,8 @@ type Header_EC struct {
 	// if an object ID of its parent is presented. The field allows to determine how EC-chunk is placed
 	// in Split hierarchy.
 	ParentSplitParentId *grpc.ObjectID `protobuf:"bytes,7,opt,name=parent_split_parent_id,json=parentSplitParentID,proto3" json:"parent_split_parent_id,omitempty"`
+	// EC parent's attributes.
+	ParentAttributes []*Header_Attribute `protobuf:"bytes,8,rep,name=parent_attributes,json=parentAttributes,proto3" json:"parent_attributes,omitempty"`
 }
 
 func (x *Header_EC) Reset() {
@@ -914,6 +916,13 @@ func (x *Header_EC) GetParentSplitParentId() *grpc.ObjectID {
 	return nil
 }
 
+func (x *Header_EC) GetParentAttributes() []*Header_Attribute {
+	if x != nil {
+		return x.ParentAttributes
+	}
+	return nil
+}
+
 type ECInfo_Chunk struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1013,7 +1022,7 @@ var file_object_grpc_types_proto_rawDesc = []byte{
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@@ -1079,7 +1088,7 @@ var file_object_grpc_types_proto_rawDesc = []byte{
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@@ -1097,56 +1106,61 @@ var file_object_grpc_types_proto_rawDesc = []byte{
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+	0x74, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x3b, 0x6f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0xaa, 0x02, 0x1a,
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+	0x41, 0x50, 0x49, 0x2e, 0x4f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x33,
 }
 
 var (
@@ -1212,12 +1226,13 @@ var file_object_grpc_types_proto_depIdxs = []int32{
 	16, // 25: neo.fs.v2.object.Header.Split.children:type_name -> neo.fs.v2.refs.ObjectID
 	16, // 26: neo.fs.v2.object.Header.EC.parent:type_name -> neo.fs.v2.refs.ObjectID
 	16, // 27: neo.fs.v2.object.Header.EC.parent_split_parent_id:type_name -> neo.fs.v2.refs.ObjectID
-	16, // 28: neo.fs.v2.object.ECInfo.Chunk.id:type_name -> neo.fs.v2.refs.ObjectID
-	29, // [29:29] is the sub-list for method output_type
-	29, // [29:29] is the sub-list for method input_type
-	29, // [29:29] is the sub-list for extension type_name
-	29, // [29:29] is the sub-list for extension extendee
-	0,  // [0:29] is the sub-list for field type_name
+	7,  // 28: neo.fs.v2.object.Header.EC.parent_attributes:type_name -> neo.fs.v2.object.Header.Attribute
+	16, // 29: neo.fs.v2.object.ECInfo.Chunk.id:type_name -> neo.fs.v2.refs.ObjectID
+	30, // [30:30] is the sub-list for method output_type
+	30, // [30:30] is the sub-list for method input_type
+	30, // [30:30] is the sub-list for extension type_name
+	30, // [30:30] is the sub-list for extension extendee
+	0,  // [0:30] is the sub-list for field type_name
 }
 
 func init() { file_object_grpc_types_proto_init() }
diff --git a/object/marshal.go b/object/marshal.go
index bf8fcb9..f96b098 100644
--- a/object/marshal.go
+++ b/object/marshal.go
@@ -33,6 +33,7 @@ const (
 	ecHdrHeaderField         = 5
 	ecHdrParentSplitID       = 6
 	ecHdrParentSplitParentID = 7
+	ecHdrParentAttributes    = 8
 
 	hdrVersionField         = 1
 	hdrContainerIDField     = 2
@@ -264,7 +265,10 @@ func (h *ECHeader) StableMarshal(buf []byte) []byte {
 	offset += proto.UInt32Marshal(ecHdrHeaderLengthField, buf[offset:], h.HeaderLength)
 	offset += proto.BytesMarshal(ecHdrHeaderField, buf[offset:], h.Header)
 	offset += proto.BytesMarshal(ecHdrParentSplitID, buf[offset:], h.ParentSplitID)
-	proto.NestedStructureMarshal(ecHdrParentSplitParentID, buf[offset:], h.ParentSplitParentID)
+	offset += proto.NestedStructureMarshal(ecHdrParentSplitParentID, buf[offset:], h.ParentSplitParentID)
+	for i := range h.ParentAttributes {
+		offset += proto.NestedStructureMarshal(ecHdrParentAttributes, buf[offset:], &h.ParentAttributes[i])
+	}
 	return buf
 }
 
@@ -280,6 +284,9 @@ func (h *ECHeader) StableSize() (size int) {
 	size += proto.BytesSize(ecHdrHeaderField, h.Header)
 	size += proto.BytesSize(ecHdrParentSplitID, h.ParentSplitID)
 	size += proto.NestedStructureSize(ecHdrParentSplitParentID, h.ParentSplitParentID)
+	for i := range h.ParentAttributes {
+		size += proto.NestedStructureSize(ecHdrParentAttributes, &h.ParentAttributes[i])
+	}
 
 	return size
 }
diff --git a/object/test/generate.go b/object/test/generate.go
index 95c76e5..b1931fc 100644
--- a/object/test/generate.go
+++ b/object/test/generate.go
@@ -93,6 +93,7 @@ func GenerateECHeader(empty bool) *object.ECHeader {
 		ech.Parent = refstest.GenerateObjectID(empty)
 		ech.ParentSplitID = []byte{1, 2, 3}
 		ech.ParentSplitParentID = refstest.GenerateObjectID(empty)
+		ech.ParentAttributes = GenerateAttributes(empty)
 		ech.Index = 0
 		ech.Total = 2
 		ech.Header = []byte("chunk of ec-encoded parent header")
diff --git a/object/types.go b/object/types.go
index 7916b1e..43caf80 100644
--- a/object/types.go
+++ b/object/types.go
@@ -43,6 +43,7 @@ type ECHeader struct {
 	Parent              *refs.ObjectID
 	ParentSplitID       []byte
 	ParentSplitParentID *refs.ObjectID
+	ParentAttributes    []Attribute
 	Index               uint32
 	Total               uint32
 	Header              []byte