diff --git a/accounting/grpc/service.pb.go b/accounting/grpc/service.pb.go
index 51b9fe3..fe193cd 100644
--- a/accounting/grpc/service.pb.go
+++ b/accounting/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: accounting/grpc/service.proto
 
 package accounting
@@ -216,7 +216,8 @@ func (x *BalanceRequest_Body) GetOwnerId() *grpc1.OwnerID {
 }
 
 // The amount of funds in GAS token for the `OwnerID`'s account requested.
-// Balance is given in the `Decimal` format to avoid precision issues with rounding.
+// Balance is given in the `Decimal` format to avoid precision issues with
+// rounding.
 type BalanceResponse_Body struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
diff --git a/accounting/grpc/service_grpc.pb.go b/accounting/grpc/service_grpc.pb.go
index 1aadfc0..cd1b2e9 100644
--- a/accounting/grpc/service_grpc.pb.go
+++ b/accounting/grpc/service_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.4
+// - protoc             v4.25.3
 // source: accounting/grpc/service.proto
 
 package accounting
diff --git a/accounting/grpc/types.pb.go b/accounting/grpc/types.pb.go
index ae09338..592aa8b 100644
--- a/accounting/grpc/types.pb.go
+++ b/accounting/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: accounting/grpc/types.proto
 
 package accounting
diff --git a/acl/grpc/types.pb.go b/acl/grpc/types.pb.go
index e245169..1b57b1a 100644
--- a/acl/grpc/types.pb.go
+++ b/acl/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: acl/grpc/types.proto
 
 package acl
@@ -32,7 +32,8 @@ const (
 	// System target rule is applied if sender is a storage node within the
 	// container or an inner ring node
 	Role_SYSTEM Role = 2
-	// Others target rule is applied if sender is neither a user nor a system target
+	// Others target rule is applied if sender is neither a user nor a system
+	// target
 	Role_OTHERS Role = 3
 )
 
@@ -472,8 +473,8 @@ func (x *EACLTable) GetRecords() []*EACLRecord {
 // used in the similar use cases, like providing authorisation to externally
 // authenticated party.
 //
-// BearerToken can be issued only by the container's owner and must be signed using
-// the key associated with the container's `OwnerID`.
+// BearerToken can be issued only by the container's owner and must be signed
+// using the key associated with the container's `OwnerID`.
 type BearerToken struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -695,8 +696,8 @@ func (x *EACLRecord_Target) GetKeys() [][]byte {
 	return nil
 }
 
-// Bearer Token body structure contains Extended ACL table issued by the container
-// owner with additional information preventing token abuse.
+// Bearer Token body structure contains Extended ACL table issued by the
+// container owner with additional information preventing token abuse.
 type BearerToken_Body struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -704,8 +705,8 @@ type BearerToken_Body struct {
 
 	// Table of Extended ACL rules to use instead of the ones attached to the
 	// container. If it contains `container_id` field, bearer token is only
-	// valid for this specific container. Otherwise, any container of the same owner
-	// is allowed.
+	// valid for this specific container. Otherwise, any container of the same
+	// owner is allowed.
 	EaclTable *EACLTable `protobuf:"bytes,1,opt,name=eacl_table,json=eaclTable,proto3" json:"eacl_table,omitempty"`
 	// `OwnerID` defines to whom the token was issued. It must match the request
 	// originator's `OwnerID`. If empty, any token bearer will be accepted.
diff --git a/audit/grpc/types.pb.go b/audit/grpc/types.pb.go
index 8f437da..57243ef 100644
--- a/audit/grpc/types.pb.go
+++ b/audit/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: audit/grpc/types.proto
 
 package audit
@@ -47,12 +47,12 @@ type DataAuditResult struct {
 	PassSg []*grpc.ObjectID `protobuf:"bytes,8,rep,name=pass_sg,json=passSG,proto3" json:"pass_sg,omitempty"`
 	// List of Storage Groups that failed audit PoR stage
 	FailSg []*grpc.ObjectID `protobuf:"bytes,9,rep,name=fail_sg,json=failSG,proto3" json:"fail_sg,omitempty"`
-	// Number of sampled objects under the audit placed in an optimal way according to
-	// the containers placement policy when checking PoP
+	// Number of sampled objects under the audit placed in an optimal way
+	// according to the containers placement policy when checking PoP
 	Hit uint32 `protobuf:"varint,10,opt,name=hit,proto3" json:"hit,omitempty"`
-	// Number of sampled objects under the audit placed in suboptimal way according to
-	// the containers placement policy, but still at a satisfactory level when
-	// checking PoP
+	// Number of sampled objects under the audit placed in suboptimal way
+	// according to the containers placement policy, but still at a satisfactory
+	// level when checking PoP
 	Miss uint32 `protobuf:"varint,11,opt,name=miss,proto3" json:"miss,omitempty"`
 	// Number of sampled objects under the audit stored inconsistently with the
 	// placement policy or not found at all when checking PoP
diff --git a/container/grpc/service.pb.go b/container/grpc/service.pb.go
index 8363e81..672e29f 100644
--- a/container/grpc/service.pb.go
+++ b/container/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: container/grpc/service.proto
 
 package container
@@ -1128,7 +1128,8 @@ type DeleteRequest_Body struct {
 
 	// Identifier of the container to delete from NeoFS
 	ContainerId *grpc1.ContainerID `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
-	// `ContainerID` signed with the container owner's key according to RFC-6979.
+	// `ContainerID` signed with the container owner's key according to
+	// RFC-6979.
 	Signature *grpc1.SignatureRFC6979 `protobuf:"bytes,2,opt,name=signature,proto3" json:"signature,omitempty"`
 }
 
@@ -1493,8 +1494,8 @@ func (x *SetExtendedACLRequest_Body) GetSignature() *grpc1.SignatureRFC6979 {
 }
 
 // `SetExtendedACLResponse` has an empty body because the operation is
-// asynchronous and the update should be reflected in `Container` smart contract's
-// storage after next block is issued in sidechain.
+// asynchronous and the update should be reflected in `Container` smart
+// contract's storage after next block is issued in sidechain.
 type SetExtendedACLResponse_Body struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1583,8 +1584,8 @@ func (x *GetExtendedACLRequest_Body) GetContainerId() *grpc1.ContainerID {
 }
 
 // Get Extended ACL Response body can be empty if the requested container does
-// not have Extended ACL Table attached or Extended ACL has not been allowed at
-// the time of container creation.
+// not have Extended ACL Table attached or Extended ACL has not been allowed
+// at the time of container creation.
 type GetExtendedACLResponse_Body struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
diff --git a/container/grpc/service_grpc.pb.go b/container/grpc/service_grpc.pb.go
index 754665f..79b0533 100644
--- a/container/grpc/service_grpc.pb.go
+++ b/container/grpc/service_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.4
+// - protoc             v4.25.3
 // source: container/grpc/service.proto
 
 package container
@@ -34,8 +34,8 @@ const (
 type ContainerServiceClient interface {
 	// `Put` invokes `Container` smart contract's `Put` method and returns
 	// response immediately. After a new block is issued in sidechain, request is
-	// verified by Inner Ring nodes. After one more block in sidechain, the container
-	// is added into smart contract storage.
+	// verified by Inner Ring nodes. After one more block in sidechain, the
+	// container is added into smart contract storage.
 	//
 	// Statuses:
 	//   - **OK** (0, SECTION_SUCCESS): \
@@ -44,8 +44,8 @@ type ContainerServiceClient interface {
 	Put(ctx context.Context, in *PutRequest, opts ...grpc.CallOption) (*PutResponse, error)
 	// `Delete` invokes `Container` smart contract's `Delete` method and returns
 	// response immediately. After a new block is issued in sidechain, request is
-	// verified by Inner Ring nodes. After one more block in sidechain, the container
-	// is added into smart contract storage.
+	// verified by Inner Ring nodes. After one more block in sidechain, the
+	// container is added into smart contract storage.
 	//
 	// Statuses:
 	//   - **OK** (0, SECTION_SUCCESS): \
@@ -69,8 +69,8 @@ type ContainerServiceClient interface {
 	//   - Common failures (SECTION_FAILURE_COMMON).
 	List(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error)
 	// Invokes 'SetEACL' method of 'Container` smart contract and returns response
-	// immediately. After one more block in sidechain, changes in an Extended ACL are
-	// added into smart contract storage.
+	// immediately. After one more block in sidechain, changes in an Extended ACL
+	// are added into smart contract storage.
 	//
 	// Statuses:
 	//   - **OK** (0, SECTION_SUCCESS): \
@@ -175,8 +175,8 @@ func (c *containerServiceClient) AnnounceUsedSpace(ctx context.Context, in *Anno
 type ContainerServiceServer interface {
 	// `Put` invokes `Container` smart contract's `Put` method and returns
 	// response immediately. After a new block is issued in sidechain, request is
-	// verified by Inner Ring nodes. After one more block in sidechain, the container
-	// is added into smart contract storage.
+	// verified by Inner Ring nodes. After one more block in sidechain, the
+	// container is added into smart contract storage.
 	//
 	// Statuses:
 	//   - **OK** (0, SECTION_SUCCESS): \
@@ -185,8 +185,8 @@ type ContainerServiceServer interface {
 	Put(context.Context, *PutRequest) (*PutResponse, error)
 	// `Delete` invokes `Container` smart contract's `Delete` method and returns
 	// response immediately. After a new block is issued in sidechain, request is
-	// verified by Inner Ring nodes. After one more block in sidechain, the container
-	// is added into smart contract storage.
+	// verified by Inner Ring nodes. After one more block in sidechain, the
+	// container is added into smart contract storage.
 	//
 	// Statuses:
 	//   - **OK** (0, SECTION_SUCCESS): \
@@ -210,8 +210,8 @@ type ContainerServiceServer interface {
 	//   - Common failures (SECTION_FAILURE_COMMON).
 	List(context.Context, *ListRequest) (*ListResponse, error)
 	// Invokes 'SetEACL' method of 'Container` smart contract and returns response
-	// immediately. After one more block in sidechain, changes in an Extended ACL are
-	// added into smart contract storage.
+	// immediately. After one more block in sidechain, changes in an Extended ACL
+	// are added into smart contract storage.
 	//
 	// Statuses:
 	//   - **OK** (0, SECTION_SUCCESS): \
diff --git a/container/grpc/types.pb.go b/container/grpc/types.pb.go
index 59780d5..c484a0d 100644
--- a/container/grpc/types.pb.go
+++ b/container/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: container/grpc/types.proto
 
 package container
@@ -24,8 +24,8 @@ const (
 
 // Container is a structure that defines object placement behaviour. Objects can
 // be stored only within containers. They define placement rule, attributes and
-// access control information. An ID of a container is a 32 byte long SHA256 hash
-// of stable-marshalled container message.
+// access control information. An ID of a container is a 32 byte long SHA256
+// hash of stable-marshalled container message.
 type Container struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -38,8 +38,8 @@ type Container struct {
 	OwnerId *grpc.OwnerID `protobuf:"bytes,2,opt,name=owner_id,json=ownerID,proto3" json:"owner_id,omitempty"`
 	// Nonce is a 16 byte UUIDv4, used to avoid collisions of `ContainerID`s
 	Nonce []byte `protobuf:"bytes,3,opt,name=nonce,proto3" json:"nonce,omitempty"`
-	// `BasicACL` contains access control rules for the owner, system and others groups,
-	// as well as permission bits for `BearerToken` and `Extended ACL`
+	// `BasicACL` contains access control rules for the owner, system and others
+	// groups, as well as permission bits for `BearerToken` and `Extended ACL`
 	BasicAcl uint32 `protobuf:"varint,4,opt,name=basic_acl,json=basicACL,proto3" json:"basic_acl,omitempty"`
 	// Attributes represent immutable container's meta data
 	Attributes []*Container_Attribute `protobuf:"bytes,5,rep,name=attributes,proto3" json:"attributes,omitempty"`
@@ -122,8 +122,8 @@ func (x *Container) GetPlacementPolicy() *grpc1.PlacementPolicy {
 }
 
 // `Attribute` is a user-defined Key-Value metadata pair attached to the
-// container. Container attributes are immutable. They are set at the moment of
-// container creation and can never be added or updated.
+// container. Container attributes are immutable. They are set at the moment
+// of container creation and can never be added or updated.
 //
 // Key name must be a container-unique valid UTF-8 string. Value can't be
 // empty. Containers with duplicated attribute names or attributes with empty
@@ -137,15 +137,16 @@ func (x *Container) GetPlacementPolicy() *grpc1.PlacementPolicy {
 //     NNS contract.
 //   - [ __SYSTEM__ZONE ]  \
 //     (`__NEOFS__ZONE` is deprecated) \
-//     String of a zone for `__SYSTEM__NAME` (`__NEOFS__NAME` is deprecated). Used as a TLD of a domain name in NNS
-//     contract. If no zone is specified, use default zone: `container`.
+//     String of a zone for `__SYSTEM__NAME` (`__NEOFS__NAME` is deprecated).
+//     Used as a TLD of a domain name in NNS contract. If no zone is specified,
+//     use default zone: `container`.
 //   - [ __SYSTEM__DISABLE_HOMOMORPHIC_HASHING ] \
 //     (`__NEOFS__DISABLE_HOMOMORPHIC_HASHING` is deprecated) \
-//     Disables homomorphic hashing for the container if the value equals "true" string.
-//     Any other values are interpreted as missing attribute. Container could be
-//     accepted in a NeoFS network only if the global network hashing configuration
-//     value corresponds with that attribute's value. After container inclusion, network
-//     setting is ignored.
+//     Disables homomorphic hashing for the container if the value equals "true"
+//     string. Any other values are interpreted as missing attribute. Container
+//     could be accepted in a NeoFS network only if the global network hashing
+//     configuration value corresponds with that attribute's value. After
+//     container inclusion, network setting is ignored.
 //
 // And some well-known attributes used by applications only:
 //
diff --git a/lock/grpc/types.pb.go b/lock/grpc/types.pb.go
index 100d648..c2d66f1 100644
--- a/lock/grpc/types.pb.go
+++ b/lock/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: lock/grpc/types.proto
 
 package lock
@@ -23,8 +23,9 @@ const (
 
 // Lock objects protects a list of objects from being deleted. The lifetime of a
 // lock object is limited similar to regular objects in
-// `__SYSTEM__EXPIRATION_EPOCH` (`__NEOFS__EXPIRATION_EPOCH` is deprecated) attribute. Lock object MUST have expiration epoch.
-// It is impossible to delete a lock object via ObjectService.Delete RPC call.
+// `__SYSTEM__EXPIRATION_EPOCH` (`__NEOFS__EXPIRATION_EPOCH` is deprecated)
+// attribute. Lock object MUST have expiration epoch. It is impossible to delete
+// a lock object via ObjectService.Delete RPC call.
 type Lock struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
diff --git a/netmap/convert.go b/netmap/convert.go
index 0e25949..fad7380 100644
--- a/netmap/convert.go
+++ b/netmap/convert.go
@@ -142,6 +142,8 @@ func (r *Replica) ToGRPCMessage() grpc.Message {
 
 		m.SetSelector(r.selector)
 		m.SetCount(r.count)
+		m.EcDataCount = r.ecDataCount
+		m.EcParityCount = r.ecParityCount
 	}
 
 	return m
@@ -155,6 +157,8 @@ func (r *Replica) FromGRPCMessage(m grpc.Message) error {
 
 	r.selector = v.GetSelector()
 	r.count = v.GetCount()
+	r.ecDataCount = v.GetEcDataCount()
+	r.ecParityCount = v.GetEcParityCount()
 
 	return nil
 }
diff --git a/netmap/grpc/service.pb.go b/netmap/grpc/service.pb.go
index 711a3c9..7694f3f 100644
--- a/netmap/grpc/service.pb.go
+++ b/netmap/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: netmap/grpc/service.proto
 
 package netmap
diff --git a/netmap/grpc/service_grpc.pb.go b/netmap/grpc/service_grpc.pb.go
index dec7d7f..00cb8de 100644
--- a/netmap/grpc/service_grpc.pb.go
+++ b/netmap/grpc/service_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.4
+// - protoc             v4.25.3
 // source: netmap/grpc/service.proto
 
 package netmap
@@ -29,10 +29,11 @@ const (
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type NetmapServiceClient interface {
 	// Get NodeInfo structure from the particular node directly.
-	// Node information can be taken from `Netmap` smart contract. In some cases, though,
-	// one may want to get recent information directly or to talk to the node not yet
-	// present in the `Network Map` to find out what API version can be used for
-	// further communication. This can be also used to check if a node is up and running.
+	// Node information can be taken from `Netmap` smart contract. In some cases,
+	// though, one may want to get recent information directly or to talk to the
+	// node not yet present in the `Network Map` to find out what API version can
+	// be used for further communication. This can be also used to check if a node
+	// is up and running.
 	//
 	// Statuses:
 	// - **OK** (0, SECTION_SUCCESS):
@@ -95,10 +96,11 @@ func (c *netmapServiceClient) NetmapSnapshot(ctx context.Context, in *NetmapSnap
 // for forward compatibility
 type NetmapServiceServer interface {
 	// Get NodeInfo structure from the particular node directly.
-	// Node information can be taken from `Netmap` smart contract. In some cases, though,
-	// one may want to get recent information directly or to talk to the node not yet
-	// present in the `Network Map` to find out what API version can be used for
-	// further communication. This can be also used to check if a node is up and running.
+	// Node information can be taken from `Netmap` smart contract. In some cases,
+	// though, one may want to get recent information directly or to talk to the
+	// node not yet present in the `Network Map` to find out what API version can
+	// be used for further communication. This can be also used to check if a node
+	// is up and running.
 	//
 	// Statuses:
 	// - **OK** (0, SECTION_SUCCESS):
diff --git a/netmap/grpc/types.pb.go b/netmap/grpc/types.pb.go
index f4991a9..385713d 100644
--- a/netmap/grpc/types.pb.go
+++ b/netmap/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: netmap/grpc/types.proto
 
 package netmap
@@ -213,8 +213,8 @@ func (NodeInfo_State) EnumDescriptor() ([]byte, []int) {
 	return file_netmap_grpc_types_proto_rawDescGZIP(), []int{4, 0}
 }
 
-// This filter will return the subset of nodes from `NetworkMap` or another filter's
-// results that will satisfy filter's conditions.
+// This filter will return the subset of nodes from `NetworkMap` or another
+// filter's results that will satisfy filter's conditions.
 type Filter struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -401,6 +401,10 @@ type Replica struct {
 	Count uint32 `protobuf:"varint,1,opt,name=count,proto3" json:"count,omitempty"`
 	// Named selector bucket to put replicas
 	Selector string `protobuf:"bytes,2,opt,name=selector,proto3" json:"selector,omitempty"`
+	// Data shards count
+	EcDataCount uint32 `protobuf:"varint,6,opt,name=ec_data_count,json=ecDataCount,proto3" json:"ec_data_count,omitempty"`
+	// Parity shards count
+	EcParityCount uint32 `protobuf:"varint,7,opt,name=ec_parity_count,json=ecParityCount,proto3" json:"ec_parity_count,omitempty"`
 }
 
 func (x *Replica) Reset() {
@@ -449,6 +453,20 @@ func (x *Replica) GetSelector() string {
 	return ""
 }
 
+func (x *Replica) GetEcDataCount() uint32 {
+	if x != nil {
+		return x.EcDataCount
+	}
+	return 0
+}
+
+func (x *Replica) GetEcParityCount() uint32 {
+	if x != nil {
+		return x.EcParityCount
+	}
+	return 0
+}
+
 // Set of rules to select a subset of nodes from `NetworkMap` able to store
 // container's objects. The format is simple enough to transpile from different
 // storage policy definition languages.
@@ -734,7 +752,8 @@ type NetworkInfo struct {
 	CurrentEpoch uint64 `protobuf:"varint,1,opt,name=current_epoch,json=currentEpoch,proto3" json:"current_epoch,omitempty"`
 	// Magic number of the sidechain of the NeoFS network
 	MagicNumber uint64 `protobuf:"varint,2,opt,name=magic_number,json=magicNumber,proto3" json:"magic_number,omitempty"`
-	// MillisecondsPerBlock network parameter of the sidechain of the NeoFS network
+	// MillisecondsPerBlock network parameter of the sidechain of the NeoFS
+	// network
 	MsPerBlock int64 `protobuf:"varint,3,opt,name=ms_per_block,json=msPerBlock,proto3" json:"ms_per_block,omitempty"`
 	// NeoFS network configuration
 	NetworkConfig *NetworkConfig `protobuf:"bytes,4,opt,name=network_config,json=networkConfig,proto3" json:"network_config,omitempty"`
@@ -806,15 +825,15 @@ func (x *NetworkInfo) GetNetworkConfig() *NetworkConfig {
 // string. Value can't be empty.
 //
 // Attributes can be constructed into a chain of attributes: any attribute can
-// have a parent attribute and a child attribute (except the first and the last
-// one). A string representation of the chain of attributes in NeoFS Storage
-// Node configuration uses ":" and "/" symbols, e.g.:
+// have a parent attribute and a child attribute (except the first and the
+// last one). A string representation of the chain of attributes in NeoFS
+// Storage Node configuration uses ":" and "/" symbols, e.g.:
 //
 //	`NEOFS_NODE_ATTRIBUTE_1=key1:val1/key2:val2`
 //
-// Therefore the string attribute representation in the Node configuration must
-// use "\:", "\/" and "\\" escaped symbols if any of them appears in an attribute's
-// key or value.
+// Therefore the string attribute representation in the Node configuration
+// must use "\:", "\/" and "\\" escaped symbols if any of them appears in an
+// attribute's key or value.
 //
 // Node's attributes are mostly used during Storage Policy evaluation to
 // calculate object's placement and find a set of nodes satisfying policy
@@ -968,6 +987,12 @@ func (x *NodeInfo_Attribute) GetParents() []string {
 //   - **WithdrawFee** \
 //     Fee paid for withdrawal of funds paid by the account owner.
 //     Value: little-endian integer. Default: 0.
+//   - **MaxECDataCount** \
+//     Maximum number of data shards for EC placement policy.
+//     Value: little-endian integer. Default: 0.
+//   - **MaxECParityCount** \
+//     Maximum number of parity shards for EC placement policy.
+//     Value: little-endian integer. Default: 0.
 type NetworkConfig_Parameter struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1051,92 +1076,97 @@ var file_netmap_grpc_types_proto_rawDesc = []byte{
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+	0x65, 0x74, 0x6d, 0x61, 0x70, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/netmap/marshal.go b/netmap/marshal.go
index 4f2c1ce..95430da 100644
--- a/netmap/marshal.go
+++ b/netmap/marshal.go
@@ -19,8 +19,10 @@ const (
 	attributeSelectorField = 4
 	filterSelectorField    = 5
 
-	countReplicaField    = 1
-	selectorReplicaField = 2
+	countReplicaField         = 1
+	selectorReplicaField      = 2
+	ecDataCountReplicaField   = 3
+	ecParityCountReplicaField = 4
 
 	replicasPolicyField  = 1
 	backupPolicyField    = 2
@@ -134,7 +136,9 @@ func (r *Replica) StableMarshal(buf []byte) []byte {
 	var offset int
 
 	offset += protoutil.UInt32Marshal(countReplicaField, buf[offset:], r.count)
-	protoutil.StringMarshal(selectorReplicaField, buf[offset:], r.selector)
+	offset += protoutil.StringMarshal(selectorReplicaField, buf[offset:], r.selector)
+	offset += protoutil.UInt32Marshal(ecDataCountReplicaField, buf[offset:], r.ecDataCount)
+	protoutil.UInt32Marshal(ecParityCountReplicaField, buf[offset:], r.ecParityCount)
 
 	return buf
 }
@@ -146,6 +150,8 @@ func (r *Replica) StableSize() (size int) {
 
 	size += protoutil.UInt32Size(countReplicaField, r.count)
 	size += protoutil.StringSize(selectorReplicaField, r.selector)
+	size += protoutil.UInt32Size(ecDataCountReplicaField, r.ecDataCount)
+	size += protoutil.UInt32Size(ecParityCountReplicaField, r.ecParityCount)
 
 	return size
 }
diff --git a/netmap/types.go b/netmap/types.go
index bda9ec6..dd5db68 100644
--- a/netmap/types.go
+++ b/netmap/types.go
@@ -50,6 +50,9 @@ type Selector struct {
 type Replica struct {
 	count    uint32
 	selector string
+
+	ecDataCount   uint32
+	ecParityCount uint32
 }
 
 type Operation uint32
@@ -259,6 +262,30 @@ func (r *Replica) SetCount(count uint32) {
 	r.count = count
 }
 
+func (r *Replica) GetECDataCount() uint32 {
+	if r != nil {
+		return r.ecDataCount
+	}
+
+	return 0
+}
+
+func (r *Replica) SetECDataCount(count uint32) {
+	r.ecDataCount = count
+}
+
+func (r *Replica) GetECParityCount() uint32 {
+	if r != nil {
+		return r.ecParityCount
+	}
+
+	return 0
+}
+
+func (r *Replica) SetECParityCount(count uint32) {
+	r.ecParityCount = count
+}
+
 func (p *PlacementPolicy) GetUnique() bool {
 	if p != nil {
 		return p.unique
diff --git a/object/convert.go b/object/convert.go
index 07bf89c..8d6c73f 100644
--- a/object/convert.go
+++ b/object/convert.go
@@ -262,6 +262,51 @@ func (h *SplitHeader) FromGRPCMessage(m grpc.Message) error {
 	return nil
 }
 
+func (h *ECHeader) ToGRPCMessage() grpc.Message {
+	var m *object.Header_EC
+
+	if h != nil {
+		m = new(object.Header_EC)
+
+		m.Parent = h.Parent.ToGRPCMessage().(*refsGRPC.ObjectID)
+		m.Index = h.Index
+		m.Total = h.Total
+		m.Header = h.Header
+		m.HeaderLength = h.HeaderLength
+	}
+
+	return m
+}
+
+func (h *ECHeader) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*object.Header_EC)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	par := v.GetParent()
+	if par == nil {
+		h.Parent = nil
+	} else {
+		if h.Parent == nil {
+			h.Parent = new(refs.ObjectID)
+		}
+
+		err = h.Parent.FromGRPCMessage(par)
+		if err != nil {
+			return err
+		}
+	}
+
+	h.Index = v.GetIndex()
+	h.Total = v.GetTotal()
+	h.Header = v.GetHeader()
+	h.HeaderLength = v.GetHeaderLength()
+	return nil
+}
+
 func (h *Header) ToGRPCMessage() grpc.Message {
 	var m *object.Header
 
@@ -275,6 +320,7 @@ func (h *Header) ToGRPCMessage() grpc.Message {
 		m.SetContainerId(h.cid.ToGRPCMessage().(*refsGRPC.ContainerID))
 		m.SetSessionToken(h.sessionToken.ToGRPCMessage().(*sessionGRPC.SessionToken))
 		m.SetSplit(h.split.ToGRPCMessage().(*object.Header_Split))
+		m.Ec = h.ec.ToGRPCMessage().(*object.Header_EC)
 		m.SetAttributes(AttributesToGRPC(h.attr))
 		m.SetPayloadLength(h.payloadLen)
 		m.SetCreationEpoch(h.creatEpoch)
@@ -313,6 +359,9 @@ func (h *Header) FromGRPCMessage(m grpc.Message) error {
 	if err := h.fillSplitHeader(v); err != nil {
 		return err
 	}
+	if err := h.fillECHeader(v); err != nil {
+		return err
+	}
 
 	h.attr, err = AttributesFromGRPC(v.GetAttributes())
 	if err != nil {
@@ -417,6 +466,19 @@ func (h *Header) fillSplitHeader(v *object.Header) error {
 	return h.split.FromGRPCMessage(split)
 }
 
+func (h *Header) fillECHeader(v *object.Header) error {
+	ec := v.GetEc()
+	if ec == nil {
+		h.ec = nil
+		return nil
+	}
+
+	if h.ec == nil {
+		h.ec = new(ECHeader)
+	}
+	return h.ec.FromGRPCMessage(ec)
+}
+
 func (h *HeaderWithSignature) ToGRPCMessage() grpc.Message {
 	var m *object.HeaderWithSignature
 
@@ -591,6 +653,50 @@ func (s *SplitInfo) FromGRPCMessage(m grpc.Message) error {
 	return nil
 }
 
+func (s *ECInfo) ToGRPCMessage() grpc.Message {
+	var m *object.ECInfo
+
+	if s != nil {
+		m = new(object.ECInfo)
+
+		if s.Chunks != nil {
+			chunks := make([]*object.ECInfo_Chunk, len(s.Chunks))
+			for i := range chunks {
+				chunks[i] = &object.ECInfo_Chunk{
+					Id:    s.Chunks[i].ID.ToGRPCMessage().(*refsGRPC.ObjectID),
+					Index: s.Chunks[i].Index,
+					Total: s.Chunks[i].Total,
+				}
+			}
+			m.Chunks = chunks
+		}
+	}
+
+	return m
+}
+
+func (s *ECInfo) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*object.ECInfo)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	chunks := v.GetChunks()
+	if chunks == nil {
+		s.Chunks = nil
+	} else {
+		s.Chunks = make([]ECChunk, len(chunks))
+		for i := range chunks {
+			if err := s.Chunks[i].ID.FromGRPCMessage(chunks[i].Id); err != nil {
+				return err
+			}
+			s.Chunks[i].Index = chunks[i].Index
+			s.Chunks[i].Total = chunks[i].Total
+		}
+	}
+	return nil
+}
+
 func (r *GetRequestBody) ToGRPCMessage() grpc.Message {
 	var m *object.GetRequest_Body
 
diff --git a/object/grpc/service.pb.go b/object/grpc/service.pb.go
index d339aef..2bfb50b 100644
--- a/object/grpc/service.pb.go
+++ b/object/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: object/grpc/service.proto
 
 package object
@@ -1337,6 +1337,7 @@ type GetResponse_Body struct {
 	//	*GetResponse_Body_Init_
 	//	*GetResponse_Body_Chunk
 	//	*GetResponse_Body_SplitInfo
+	//	*GetResponse_Body_EcInfo
 	ObjectPart isGetResponse_Body_ObjectPart `protobuf_oneof:"object_part"`
 }
 
@@ -1400,6 +1401,13 @@ func (x *GetResponse_Body) GetSplitInfo() *SplitInfo {
 	return nil
 }
 
+func (x *GetResponse_Body) GetEcInfo() *ECInfo {
+	if x, ok := x.GetObjectPart().(*GetResponse_Body_EcInfo); ok {
+		return x.EcInfo
+	}
+	return nil
+}
+
 type isGetResponse_Body_ObjectPart interface {
 	isGetResponse_Body_ObjectPart()
 }
@@ -1419,12 +1427,19 @@ type GetResponse_Body_SplitInfo struct {
 	SplitInfo *SplitInfo `protobuf:"bytes,3,opt,name=split_info,json=splitInfo,proto3,oneof"`
 }
 
+type GetResponse_Body_EcInfo struct {
+	// Meta information for EC object assembly.
+	EcInfo *ECInfo `protobuf:"bytes,4,opt,name=ec_info,json=ecInfo,proto3,oneof"`
+}
+
 func (*GetResponse_Body_Init_) isGetResponse_Body_ObjectPart() {}
 
 func (*GetResponse_Body_Chunk) isGetResponse_Body_ObjectPart() {}
 
 func (*GetResponse_Body_SplitInfo) isGetResponse_Body_ObjectPart() {}
 
+func (*GetResponse_Body_EcInfo) isGetResponse_Body_ObjectPart() {}
+
 // Initial part of the `Object` structure stream. Technically it's a
 // set of all `Object` structure's fields except `payload`.
 type GetResponse_Body_Init struct {
@@ -1894,6 +1909,7 @@ type HeadResponse_Body struct {
 	//	*HeadResponse_Body_Header
 	//	*HeadResponse_Body_ShortHeader
 	//	*HeadResponse_Body_SplitInfo
+	//	*HeadResponse_Body_EcInfo
 	Head isHeadResponse_Body_Head `protobuf_oneof:"head"`
 }
 
@@ -1957,6 +1973,13 @@ func (x *HeadResponse_Body) GetSplitInfo() *SplitInfo {
 	return nil
 }
 
+func (x *HeadResponse_Body) GetEcInfo() *ECInfo {
+	if x, ok := x.GetHead().(*HeadResponse_Body_EcInfo); ok {
+		return x.EcInfo
+	}
+	return nil
+}
+
 type isHeadResponse_Body_Head interface {
 	isHeadResponse_Body_Head()
 }
@@ -1976,12 +1999,19 @@ type HeadResponse_Body_SplitInfo struct {
 	SplitInfo *SplitInfo `protobuf:"bytes,3,opt,name=split_info,json=splitInfo,proto3,oneof"`
 }
 
+type HeadResponse_Body_EcInfo struct {
+	// Meta information for EC object assembly.
+	EcInfo *ECInfo `protobuf:"bytes,4,opt,name=ec_info,json=ecInfo,proto3,oneof"`
+}
+
 func (*HeadResponse_Body_Header) isHeadResponse_Body_Head() {}
 
 func (*HeadResponse_Body_ShortHeader) isHeadResponse_Body_Head() {}
 
 func (*HeadResponse_Body_SplitInfo) isHeadResponse_Body_Head() {}
 
+func (*HeadResponse_Body_EcInfo) isHeadResponse_Body_Head() {}
+
 // Object Search request body
 type SearchRequest_Body struct {
 	state         protoimpl.MessageState
@@ -2301,6 +2331,7 @@ type GetRangeResponse_Body struct {
 	//
 	//	*GetRangeResponse_Body_Chunk
 	//	*GetRangeResponse_Body_SplitInfo
+	//	*GetRangeResponse_Body_EcInfo
 	RangePart isGetRangeResponse_Body_RangePart `protobuf_oneof:"range_part"`
 }
 
@@ -2357,6 +2388,13 @@ func (x *GetRangeResponse_Body) GetSplitInfo() *SplitInfo {
 	return nil
 }
 
+func (x *GetRangeResponse_Body) GetEcInfo() *ECInfo {
+	if x, ok := x.GetRangePart().(*GetRangeResponse_Body_EcInfo); ok {
+		return x.EcInfo
+	}
+	return nil
+}
+
 type isGetRangeResponse_Body_RangePart interface {
 	isGetRangeResponse_Body_RangePart()
 }
@@ -2371,10 +2409,17 @@ type GetRangeResponse_Body_SplitInfo struct {
 	SplitInfo *SplitInfo `protobuf:"bytes,2,opt,name=split_info,json=splitInfo,proto3,oneof"`
 }
 
+type GetRangeResponse_Body_EcInfo struct {
+	// Meta information for EC object assembly.
+	EcInfo *ECInfo `protobuf:"bytes,3,opt,name=ec_info,json=ecInfo,proto3,oneof"`
+}
+
 func (*GetRangeResponse_Body_Chunk) isGetRangeResponse_Body_RangePart() {}
 
 func (*GetRangeResponse_Body_SplitInfo) isGetRangeResponse_Body_RangePart() {}
 
+func (*GetRangeResponse_Body_EcInfo) isGetRangeResponse_Body_RangePart() {}
+
 // Get hash of object's payload part request body.
 type GetRangeHashRequest_Body struct {
 	state         protoimpl.MessageState
@@ -2640,7 +2685,7 @@ var file_object_grpc_service_proto_rawDesc = []byte{
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@@ -2654,7 +2699,7 @@ var file_object_grpc_service_proto_rawDesc = []byte{
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@@ -3111,12 +3166,13 @@ var file_object_grpc_service_proto_goTypes = []interface{}{
 	(*grpc1.Signature)(nil),                 // 42: neo.fs.v2.refs.Signature
 	(*grpc1.Address)(nil),                   // 43: neo.fs.v2.refs.Address
 	(*SplitInfo)(nil),                       // 44: neo.fs.v2.object.SplitInfo
-	(*grpc1.ObjectID)(nil),                  // 45: neo.fs.v2.refs.ObjectID
-	(*ShortHeader)(nil),                     // 46: neo.fs.v2.object.ShortHeader
-	(*grpc1.ContainerID)(nil),               // 47: neo.fs.v2.refs.ContainerID
-	(MatchType)(0),                          // 48: neo.fs.v2.object.MatchType
-	(grpc1.ChecksumType)(0),                 // 49: neo.fs.v2.refs.ChecksumType
-	(*Object)(nil),                          // 50: neo.fs.v2.object.Object
+	(*ECInfo)(nil),                          // 45: neo.fs.v2.object.ECInfo
+	(*grpc1.ObjectID)(nil),                  // 46: neo.fs.v2.refs.ObjectID
+	(*ShortHeader)(nil),                     // 47: neo.fs.v2.object.ShortHeader
+	(*grpc1.ContainerID)(nil),               // 48: neo.fs.v2.refs.ContainerID
+	(MatchType)(0),                          // 49: neo.fs.v2.object.MatchType
+	(grpc1.ChecksumType)(0),                 // 50: neo.fs.v2.refs.ChecksumType
+	(*Object)(nil),                          // 51: neo.fs.v2.object.Object
 }
 var file_object_grpc_service_proto_depIdxs = []int32{
 	18, // 0: neo.fs.v2.object.GetRequest.body:type_name -> neo.fs.v2.object.GetRequest.Body
@@ -3172,53 +3228,56 @@ var file_object_grpc_service_proto_depIdxs = []int32{
 	43, // 50: neo.fs.v2.object.GetRequest.Body.address:type_name -> neo.fs.v2.refs.Address
 	20, // 51: neo.fs.v2.object.GetResponse.Body.init:type_name -> neo.fs.v2.object.GetResponse.Body.Init
 	44, // 52: neo.fs.v2.object.GetResponse.Body.split_info:type_name -> neo.fs.v2.object.SplitInfo
-	45, // 53: neo.fs.v2.object.GetResponse.Body.Init.object_id:type_name -> neo.fs.v2.refs.ObjectID
-	42, // 54: neo.fs.v2.object.GetResponse.Body.Init.signature:type_name -> neo.fs.v2.refs.Signature
-	41, // 55: neo.fs.v2.object.GetResponse.Body.Init.header:type_name -> neo.fs.v2.object.Header
-	22, // 56: neo.fs.v2.object.PutRequest.Body.init:type_name -> neo.fs.v2.object.PutRequest.Body.Init
-	45, // 57: neo.fs.v2.object.PutRequest.Body.Init.object_id:type_name -> neo.fs.v2.refs.ObjectID
-	42, // 58: neo.fs.v2.object.PutRequest.Body.Init.signature:type_name -> neo.fs.v2.refs.Signature
-	41, // 59: neo.fs.v2.object.PutRequest.Body.Init.header:type_name -> neo.fs.v2.object.Header
-	45, // 60: neo.fs.v2.object.PutResponse.Body.object_id:type_name -> neo.fs.v2.refs.ObjectID
-	43, // 61: neo.fs.v2.object.DeleteRequest.Body.address:type_name -> neo.fs.v2.refs.Address
-	43, // 62: neo.fs.v2.object.DeleteResponse.Body.tombstone:type_name -> neo.fs.v2.refs.Address
-	43, // 63: neo.fs.v2.object.HeadRequest.Body.address:type_name -> neo.fs.v2.refs.Address
-	7,  // 64: neo.fs.v2.object.HeadResponse.Body.header:type_name -> neo.fs.v2.object.HeaderWithSignature
-	46, // 65: neo.fs.v2.object.HeadResponse.Body.short_header:type_name -> neo.fs.v2.object.ShortHeader
-	44, // 66: neo.fs.v2.object.HeadResponse.Body.split_info:type_name -> neo.fs.v2.object.SplitInfo
-	47, // 67: neo.fs.v2.object.SearchRequest.Body.container_id:type_name -> neo.fs.v2.refs.ContainerID
-	29, // 68: neo.fs.v2.object.SearchRequest.Body.filters:type_name -> neo.fs.v2.object.SearchRequest.Body.Filter
-	48, // 69: neo.fs.v2.object.SearchRequest.Body.Filter.match_type:type_name -> neo.fs.v2.object.MatchType
-	45, // 70: neo.fs.v2.object.SearchResponse.Body.id_list:type_name -> neo.fs.v2.refs.ObjectID
-	43, // 71: neo.fs.v2.object.GetRangeRequest.Body.address:type_name -> neo.fs.v2.refs.Address
-	11, // 72: neo.fs.v2.object.GetRangeRequest.Body.range:type_name -> neo.fs.v2.object.Range
-	44, // 73: neo.fs.v2.object.GetRangeResponse.Body.split_info:type_name -> neo.fs.v2.object.SplitInfo
-	43, // 74: neo.fs.v2.object.GetRangeHashRequest.Body.address:type_name -> neo.fs.v2.refs.Address
-	11, // 75: neo.fs.v2.object.GetRangeHashRequest.Body.ranges:type_name -> neo.fs.v2.object.Range
-	49, // 76: neo.fs.v2.object.GetRangeHashRequest.Body.type:type_name -> neo.fs.v2.refs.ChecksumType
-	49, // 77: neo.fs.v2.object.GetRangeHashResponse.Body.type:type_name -> neo.fs.v2.refs.ChecksumType
-	50, // 78: neo.fs.v2.object.PutSingleRequest.Body.object:type_name -> neo.fs.v2.object.Object
-	0,  // 79: neo.fs.v2.object.ObjectService.Get:input_type -> neo.fs.v2.object.GetRequest
-	2,  // 80: neo.fs.v2.object.ObjectService.Put:input_type -> neo.fs.v2.object.PutRequest
-	4,  // 81: neo.fs.v2.object.ObjectService.Delete:input_type -> neo.fs.v2.object.DeleteRequest
-	6,  // 82: neo.fs.v2.object.ObjectService.Head:input_type -> neo.fs.v2.object.HeadRequest
-	9,  // 83: neo.fs.v2.object.ObjectService.Search:input_type -> neo.fs.v2.object.SearchRequest
-	12, // 84: neo.fs.v2.object.ObjectService.GetRange:input_type -> neo.fs.v2.object.GetRangeRequest
-	14, // 85: neo.fs.v2.object.ObjectService.GetRangeHash:input_type -> neo.fs.v2.object.GetRangeHashRequest
-	16, // 86: neo.fs.v2.object.ObjectService.PutSingle:input_type -> neo.fs.v2.object.PutSingleRequest
-	1,  // 87: neo.fs.v2.object.ObjectService.Get:output_type -> neo.fs.v2.object.GetResponse
-	3,  // 88: neo.fs.v2.object.ObjectService.Put:output_type -> neo.fs.v2.object.PutResponse
-	5,  // 89: neo.fs.v2.object.ObjectService.Delete:output_type -> neo.fs.v2.object.DeleteResponse
-	8,  // 90: neo.fs.v2.object.ObjectService.Head:output_type -> neo.fs.v2.object.HeadResponse
-	10, // 91: neo.fs.v2.object.ObjectService.Search:output_type -> neo.fs.v2.object.SearchResponse
-	13, // 92: neo.fs.v2.object.ObjectService.GetRange:output_type -> neo.fs.v2.object.GetRangeResponse
-	15, // 93: neo.fs.v2.object.ObjectService.GetRangeHash:output_type -> neo.fs.v2.object.GetRangeHashResponse
-	17, // 94: neo.fs.v2.object.ObjectService.PutSingle:output_type -> neo.fs.v2.object.PutSingleResponse
-	87, // [87:95] is the sub-list for method output_type
-	79, // [79:87] is the sub-list for method input_type
-	79, // [79:79] is the sub-list for extension type_name
-	79, // [79:79] is the sub-list for extension extendee
-	0,  // [0:79] is the sub-list for field type_name
+	45, // 53: neo.fs.v2.object.GetResponse.Body.ec_info:type_name -> neo.fs.v2.object.ECInfo
+	46, // 54: neo.fs.v2.object.GetResponse.Body.Init.object_id:type_name -> neo.fs.v2.refs.ObjectID
+	42, // 55: neo.fs.v2.object.GetResponse.Body.Init.signature:type_name -> neo.fs.v2.refs.Signature
+	41, // 56: neo.fs.v2.object.GetResponse.Body.Init.header:type_name -> neo.fs.v2.object.Header
+	22, // 57: neo.fs.v2.object.PutRequest.Body.init:type_name -> neo.fs.v2.object.PutRequest.Body.Init
+	46, // 58: neo.fs.v2.object.PutRequest.Body.Init.object_id:type_name -> neo.fs.v2.refs.ObjectID
+	42, // 59: neo.fs.v2.object.PutRequest.Body.Init.signature:type_name -> neo.fs.v2.refs.Signature
+	41, // 60: neo.fs.v2.object.PutRequest.Body.Init.header:type_name -> neo.fs.v2.object.Header
+	46, // 61: neo.fs.v2.object.PutResponse.Body.object_id:type_name -> neo.fs.v2.refs.ObjectID
+	43, // 62: neo.fs.v2.object.DeleteRequest.Body.address:type_name -> neo.fs.v2.refs.Address
+	43, // 63: neo.fs.v2.object.DeleteResponse.Body.tombstone:type_name -> neo.fs.v2.refs.Address
+	43, // 64: neo.fs.v2.object.HeadRequest.Body.address:type_name -> neo.fs.v2.refs.Address
+	7,  // 65: neo.fs.v2.object.HeadResponse.Body.header:type_name -> neo.fs.v2.object.HeaderWithSignature
+	47, // 66: neo.fs.v2.object.HeadResponse.Body.short_header:type_name -> neo.fs.v2.object.ShortHeader
+	44, // 67: neo.fs.v2.object.HeadResponse.Body.split_info:type_name -> neo.fs.v2.object.SplitInfo
+	45, // 68: neo.fs.v2.object.HeadResponse.Body.ec_info:type_name -> neo.fs.v2.object.ECInfo
+	48, // 69: neo.fs.v2.object.SearchRequest.Body.container_id:type_name -> neo.fs.v2.refs.ContainerID
+	29, // 70: neo.fs.v2.object.SearchRequest.Body.filters:type_name -> neo.fs.v2.object.SearchRequest.Body.Filter
+	49, // 71: neo.fs.v2.object.SearchRequest.Body.Filter.match_type:type_name -> neo.fs.v2.object.MatchType
+	46, // 72: neo.fs.v2.object.SearchResponse.Body.id_list:type_name -> neo.fs.v2.refs.ObjectID
+	43, // 73: neo.fs.v2.object.GetRangeRequest.Body.address:type_name -> neo.fs.v2.refs.Address
+	11, // 74: neo.fs.v2.object.GetRangeRequest.Body.range:type_name -> neo.fs.v2.object.Range
+	44, // 75: neo.fs.v2.object.GetRangeResponse.Body.split_info:type_name -> neo.fs.v2.object.SplitInfo
+	45, // 76: neo.fs.v2.object.GetRangeResponse.Body.ec_info:type_name -> neo.fs.v2.object.ECInfo
+	43, // 77: neo.fs.v2.object.GetRangeHashRequest.Body.address:type_name -> neo.fs.v2.refs.Address
+	11, // 78: neo.fs.v2.object.GetRangeHashRequest.Body.ranges:type_name -> neo.fs.v2.object.Range
+	50, // 79: neo.fs.v2.object.GetRangeHashRequest.Body.type:type_name -> neo.fs.v2.refs.ChecksumType
+	50, // 80: neo.fs.v2.object.GetRangeHashResponse.Body.type:type_name -> neo.fs.v2.refs.ChecksumType
+	51, // 81: neo.fs.v2.object.PutSingleRequest.Body.object:type_name -> neo.fs.v2.object.Object
+	0,  // 82: neo.fs.v2.object.ObjectService.Get:input_type -> neo.fs.v2.object.GetRequest
+	2,  // 83: neo.fs.v2.object.ObjectService.Put:input_type -> neo.fs.v2.object.PutRequest
+	4,  // 84: neo.fs.v2.object.ObjectService.Delete:input_type -> neo.fs.v2.object.DeleteRequest
+	6,  // 85: neo.fs.v2.object.ObjectService.Head:input_type -> neo.fs.v2.object.HeadRequest
+	9,  // 86: neo.fs.v2.object.ObjectService.Search:input_type -> neo.fs.v2.object.SearchRequest
+	12, // 87: neo.fs.v2.object.ObjectService.GetRange:input_type -> neo.fs.v2.object.GetRangeRequest
+	14, // 88: neo.fs.v2.object.ObjectService.GetRangeHash:input_type -> neo.fs.v2.object.GetRangeHashRequest
+	16, // 89: neo.fs.v2.object.ObjectService.PutSingle:input_type -> neo.fs.v2.object.PutSingleRequest
+	1,  // 90: neo.fs.v2.object.ObjectService.Get:output_type -> neo.fs.v2.object.GetResponse
+	3,  // 91: neo.fs.v2.object.ObjectService.Put:output_type -> neo.fs.v2.object.PutResponse
+	5,  // 92: neo.fs.v2.object.ObjectService.Delete:output_type -> neo.fs.v2.object.DeleteResponse
+	8,  // 93: neo.fs.v2.object.ObjectService.Head:output_type -> neo.fs.v2.object.HeadResponse
+	10, // 94: neo.fs.v2.object.ObjectService.Search:output_type -> neo.fs.v2.object.SearchResponse
+	13, // 95: neo.fs.v2.object.ObjectService.GetRange:output_type -> neo.fs.v2.object.GetRangeResponse
+	15, // 96: neo.fs.v2.object.ObjectService.GetRangeHash:output_type -> neo.fs.v2.object.GetRangeHashResponse
+	17, // 97: neo.fs.v2.object.ObjectService.PutSingle:output_type -> neo.fs.v2.object.PutSingleResponse
+	90, // [90:98] is the sub-list for method output_type
+	82, // [82:90] is the sub-list for method input_type
+	82, // [82:82] is the sub-list for extension type_name
+	82, // [82:82] is the sub-list for extension extendee
+	0,  // [0:82] is the sub-list for field type_name
 }
 
 func init() { file_object_grpc_service_proto_init() }
@@ -3677,6 +3736,7 @@ func file_object_grpc_service_proto_init() {
 		(*GetResponse_Body_Init_)(nil),
 		(*GetResponse_Body_Chunk)(nil),
 		(*GetResponse_Body_SplitInfo)(nil),
+		(*GetResponse_Body_EcInfo)(nil),
 	}
 	file_object_grpc_service_proto_msgTypes[21].OneofWrappers = []interface{}{
 		(*PutRequest_Body_Init_)(nil),
@@ -3686,10 +3746,12 @@ func file_object_grpc_service_proto_init() {
 		(*HeadResponse_Body_Header)(nil),
 		(*HeadResponse_Body_ShortHeader)(nil),
 		(*HeadResponse_Body_SplitInfo)(nil),
+		(*HeadResponse_Body_EcInfo)(nil),
 	}
 	file_object_grpc_service_proto_msgTypes[32].OneofWrappers = []interface{}{
 		(*GetRangeResponse_Body_Chunk)(nil),
 		(*GetRangeResponse_Body_SplitInfo)(nil),
+		(*GetRangeResponse_Body_EcInfo)(nil),
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
diff --git a/object/grpc/service_grpc.pb.go b/object/grpc/service_grpc.pb.go
index 985b991..1edf647 100644
--- a/object/grpc/service_grpc.pb.go
+++ b/object/grpc/service_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.4
+// - protoc             v4.25.3
 // source: object/grpc/service.proto
 
 package object
diff --git a/object/grpc/types.pb.go b/object/grpc/types.pb.go
index c6f2c7a..8f4f383 100644
--- a/object/grpc/types.pb.go
+++ b/object/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: object/grpc/types.proto
 
 package object
@@ -279,6 +279,8 @@ type Header struct {
 	Attributes []*Header_Attribute `protobuf:"bytes,10,rep,name=attributes,proto3" json:"attributes,omitempty"`
 	// Position of the object in the split hierarchy
 	Split *Header_Split `protobuf:"bytes,11,opt,name=split,proto3" json:"split,omitempty"`
+	// Erasure code chunk information.
+	Ec *Header_EC `protobuf:"bytes,12,opt,name=ec,proto3" json:"ec,omitempty"`
 }
 
 func (x *Header) Reset() {
@@ -390,6 +392,13 @@ func (x *Header) GetSplit() *Header_Split {
 	return nil
 }
 
+func (x *Header) GetEc() *Header_EC {
+	if x != nil {
+		return x.Ec
+	}
+	return nil
+}
+
 // Object structure. Object is immutable and content-addressed. It means
 // `ObjectID` will change if the header or the payload changes. It's calculated
 // as a hash of header field which contains hash of the object's payload.
@@ -544,6 +553,55 @@ func (x *SplitInfo) GetLink() *grpc.ObjectID {
 	return nil
 }
 
+// Meta information for the erasure-encoded object.
+type ECInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Chunk stored on the node.
+	Chunks []*ECInfo_Chunk `protobuf:"bytes,1,rep,name=chunks,proto3" json:"chunks,omitempty"`
+}
+
+func (x *ECInfo) Reset() {
+	*x = ECInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_object_grpc_types_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ECInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ECInfo) ProtoMessage() {}
+
+func (x *ECInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_object_grpc_types_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ECInfo.ProtoReflect.Descriptor instead.
+func (*ECInfo) Descriptor() ([]byte, []int) {
+	return file_object_grpc_types_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *ECInfo) GetChunks() []*ECInfo_Chunk {
+	if x != nil {
+		return x.Chunks
+	}
+	return nil
+}
+
 // `Attribute` is a user-defined Key-Value metadata pair attached to an
 // object.
 //
@@ -559,7 +617,8 @@ func (x *SplitInfo) GetLink() *grpc.ObjectID {
 //     Marks smaller parts of a split bigger object
 //   - [ __SYSTEM__EXPIRATION_EPOCH ] \
 //     (`__NEOFS__EXPIRATION_EPOCH` is deprecated) \
-//     Tells GC to delete object after that epoch
+//     The epoch after which object with no LOCKs on it becomes unavailable.
+//     Locked object continues to be available until each of the LOCKs expire.
 //   - [ __SYSTEM__TICK_EPOCH ] \
 //     (`__NEOFS__TICK_EPOCH` is deprecated) \
 //     Decimal number that defines what epoch must produce
@@ -604,7 +663,7 @@ type Header_Attribute struct {
 func (x *Header_Attribute) Reset() {
 	*x = Header_Attribute{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_object_grpc_types_proto_msgTypes[4]
+		mi := &file_object_grpc_types_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -617,7 +676,7 @@ func (x *Header_Attribute) String() string {
 func (*Header_Attribute) ProtoMessage() {}
 
 func (x *Header_Attribute) ProtoReflect() protoreflect.Message {
-	mi := &file_object_grpc_types_proto_msgTypes[4]
+	mi := &file_object_grpc_types_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -675,7 +734,7 @@ type Header_Split struct {
 func (x *Header_Split) Reset() {
 	*x = Header_Split{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_object_grpc_types_proto_msgTypes[5]
+		mi := &file_object_grpc_types_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -688,7 +747,7 @@ func (x *Header_Split) String() string {
 func (*Header_Split) ProtoMessage() {}
 
 func (x *Header_Split) ProtoReflect() protoreflect.Message {
-	mi := &file_object_grpc_types_proto_msgTypes[5]
+	mi := &file_object_grpc_types_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -746,6 +805,159 @@ func (x *Header_Split) GetSplitId() []byte {
 	return nil
 }
 
+// Erasure code can be applied to any object.
+// Information about encoded object structure is stored in `EC` header.
+// All objects belonging to a single EC group have the same `parent` field.
+type Header_EC struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Identifier of the origin object. Known to all chunks.
+	Parent *grpc.ObjectID `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Index of this chunk.
+	Index uint32 `protobuf:"varint,2,opt,name=index,proto3" json:"index,omitempty"`
+	// Total number of chunks in this split.
+	Total uint32 `protobuf:"varint,3,opt,name=total,proto3" json:"total,omitempty"`
+	// Total length of a parent header. Used to trim padding zeroes.
+	HeaderLength uint32 `protobuf:"varint,4,opt,name=header_length,json=headerLength,proto3" json:"header_length,omitempty"`
+	// Chunk of a parent header.
+	Header []byte `protobuf:"bytes,5,opt,name=header,proto3" json:"header,omitempty"`
+}
+
+func (x *Header_EC) Reset() {
+	*x = Header_EC{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_object_grpc_types_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Header_EC) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Header_EC) ProtoMessage() {}
+
+func (x *Header_EC) ProtoReflect() protoreflect.Message {
+	mi := &file_object_grpc_types_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Header_EC.ProtoReflect.Descriptor instead.
+func (*Header_EC) Descriptor() ([]byte, []int) {
+	return file_object_grpc_types_proto_rawDescGZIP(), []int{1, 2}
+}
+
+func (x *Header_EC) GetParent() *grpc.ObjectID {
+	if x != nil {
+		return x.Parent
+	}
+	return nil
+}
+
+func (x *Header_EC) GetIndex() uint32 {
+	if x != nil {
+		return x.Index
+	}
+	return 0
+}
+
+func (x *Header_EC) GetTotal() uint32 {
+	if x != nil {
+		return x.Total
+	}
+	return 0
+}
+
+func (x *Header_EC) GetHeaderLength() uint32 {
+	if x != nil {
+		return x.HeaderLength
+	}
+	return 0
+}
+
+func (x *Header_EC) GetHeader() []byte {
+	if x != nil {
+		return x.Header
+	}
+	return nil
+}
+
+type ECInfo_Chunk struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Object ID of the chunk.
+	Id *grpc.ObjectID `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	// Index of the chunk.
+	Index uint32 `protobuf:"varint,2,opt,name=index,proto3" json:"index,omitempty"`
+	// Total number of chunks in this split.
+	Total uint32 `protobuf:"varint,3,opt,name=total,proto3" json:"total,omitempty"`
+}
+
+func (x *ECInfo_Chunk) Reset() {
+	*x = ECInfo_Chunk{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_object_grpc_types_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ECInfo_Chunk) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ECInfo_Chunk) ProtoMessage() {}
+
+func (x *ECInfo_Chunk) ProtoReflect() protoreflect.Message {
+	mi := &file_object_grpc_types_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ECInfo_Chunk.ProtoReflect.Descriptor instead.
+func (*ECInfo_Chunk) Descriptor() ([]byte, []int) {
+	return file_object_grpc_types_proto_rawDescGZIP(), []int{4, 0}
+}
+
+func (x *ECInfo_Chunk) GetId() *grpc.ObjectID {
+	if x != nil {
+		return x.Id
+	}
+	return nil
+}
+
+func (x *ECInfo_Chunk) GetIndex() uint32 {
+	if x != nil {
+		return x.Index
+	}
+	return 0
+}
+
+func (x *ECInfo_Chunk) GetTotal() uint32 {
+	if x != nil {
+		return x.Total
+	}
+	return 0
+}
+
 var File_object_grpc_types_proto protoreflect.FileDescriptor
 
 var file_object_grpc_types_proto_rawDesc = []byte{
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-	0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
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+	0x12, 0x28, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x18, 0x2e, 0x6e,
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+	0x64, 0x65, 0x78, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x05, 0x69, 0x6e, 0x64, 0x65, 0x78,
+	0x12, 0x14, 0x0a, 0x05, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0d, 0x52,
+	0x05, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x2a, 0x32, 0x0a, 0x0a, 0x4f, 0x62, 0x6a, 0x65, 0x63, 0x74,
+	0x54, 0x79, 0x70, 0x65, 0x12, 0x0b, 0x0a, 0x07, 0x52, 0x45, 0x47, 0x55, 0x4c, 0x41, 0x52, 0x10,
+	0x00, 0x12, 0x0d, 0x0a, 0x09, 0x54, 0x4f, 0x4d, 0x42, 0x53, 0x54, 0x4f, 0x4e, 0x45, 0x10, 0x01,
+	0x12, 0x08, 0x0a, 0x04, 0x4c, 0x4f, 0x43, 0x4b, 0x10, 0x03, 0x2a, 0x73, 0x0a, 0x09, 0x4d, 0x61,
+	0x74, 0x63, 0x68, 0x54, 0x79, 0x70, 0x65, 0x12, 0x1a, 0x0a, 0x16, 0x4d, 0x41, 0x54, 0x43, 0x48,
+	0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x55, 0x4e, 0x53, 0x50, 0x45, 0x43, 0x49, 0x46, 0x49, 0x45,
+	0x44, 0x10, 0x00, 0x12, 0x10, 0x0a, 0x0c, 0x53, 0x54, 0x52, 0x49, 0x4e, 0x47, 0x5f, 0x45, 0x51,
+	0x55, 0x41, 0x4c, 0x10, 0x01, 0x12, 0x14, 0x0a, 0x10, 0x53, 0x54, 0x52, 0x49, 0x4e, 0x47, 0x5f,
+	0x4e, 0x4f, 0x54, 0x5f, 0x45, 0x51, 0x55, 0x41, 0x4c, 0x10, 0x02, 0x12, 0x0f, 0x0a, 0x0b, 0x4e,
+	0x4f, 0x54, 0x5f, 0x50, 0x52, 0x45, 0x53, 0x45, 0x4e, 0x54, 0x10, 0x03, 0x12, 0x11, 0x0a, 0x0d,
+	0x43, 0x4f, 0x4d, 0x4d, 0x4f, 0x4e, 0x5f, 0x50, 0x52, 0x45, 0x46, 0x49, 0x58, 0x10, 0x04, 0x42,
+	0x61, 0x5a, 0x42, 0x67, 0x69, 0x74, 0x2e, 0x66, 0x72, 0x6f, 0x73, 0x74, 0x66, 0x73, 0x2e, 0x69,
+	0x6e, 0x66, 0x6f, 0x2f, 0x54, 0x72, 0x75, 0x65, 0x43, 0x6c, 0x6f, 0x75, 0x64, 0x4c, 0x61, 0x62,
+	0x2f, 0x66, 0x72, 0x6f, 0x73, 0x74, 0x66, 0x73, 0x2d, 0x61, 0x70, 0x69, 0x2d, 0x67, 0x6f, 0x2f,
+	0x76, 0x32, 0x2f, 0x6f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x3b, 0x6f,
+	0x62, 0x6a, 0x65, 0x63, 0x74, 0xaa, 0x02, 0x1a, 0x4e, 0x65, 0x6f, 0x2e, 0x46, 0x69, 0x6c, 0x65,
+	0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x2e, 0x41, 0x50, 0x49, 0x2e, 0x4f, 0x62, 0x6a, 0x65,
+	0x63, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -897,7 +1132,7 @@ func file_object_grpc_types_proto_rawDescGZIP() []byte {
 }
 
 var file_object_grpc_types_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_object_grpc_types_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
+var file_object_grpc_types_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
 var file_object_grpc_types_proto_goTypes = []interface{}{
 	(ObjectType)(0),            // 0: neo.fs.v2.object.ObjectType
 	(MatchType)(0),             // 1: neo.fs.v2.object.MatchType
@@ -905,46 +1140,53 @@ var file_object_grpc_types_proto_goTypes = []interface{}{
 	(*Header)(nil),             // 3: neo.fs.v2.object.Header
 	(*Object)(nil),             // 4: neo.fs.v2.object.Object
 	(*SplitInfo)(nil),          // 5: neo.fs.v2.object.SplitInfo
-	(*Header_Attribute)(nil),   // 6: neo.fs.v2.object.Header.Attribute
-	(*Header_Split)(nil),       // 7: neo.fs.v2.object.Header.Split
-	(*grpc.Version)(nil),       // 8: neo.fs.v2.refs.Version
-	(*grpc.OwnerID)(nil),       // 9: neo.fs.v2.refs.OwnerID
-	(*grpc.Checksum)(nil),      // 10: neo.fs.v2.refs.Checksum
-	(*grpc.ContainerID)(nil),   // 11: neo.fs.v2.refs.ContainerID
-	(*grpc1.SessionToken)(nil), // 12: neo.fs.v2.session.SessionToken
-	(*grpc.ObjectID)(nil),      // 13: neo.fs.v2.refs.ObjectID
-	(*grpc.Signature)(nil),     // 14: neo.fs.v2.refs.Signature
+	(*ECInfo)(nil),             // 6: neo.fs.v2.object.ECInfo
+	(*Header_Attribute)(nil),   // 7: neo.fs.v2.object.Header.Attribute
+	(*Header_Split)(nil),       // 8: neo.fs.v2.object.Header.Split
+	(*Header_EC)(nil),          // 9: neo.fs.v2.object.Header.EC
+	(*ECInfo_Chunk)(nil),       // 10: neo.fs.v2.object.ECInfo.Chunk
+	(*grpc.Version)(nil),       // 11: neo.fs.v2.refs.Version
+	(*grpc.OwnerID)(nil),       // 12: neo.fs.v2.refs.OwnerID
+	(*grpc.Checksum)(nil),      // 13: neo.fs.v2.refs.Checksum
+	(*grpc.ContainerID)(nil),   // 14: neo.fs.v2.refs.ContainerID
+	(*grpc1.SessionToken)(nil), // 15: neo.fs.v2.session.SessionToken
+	(*grpc.ObjectID)(nil),      // 16: neo.fs.v2.refs.ObjectID
+	(*grpc.Signature)(nil),     // 17: neo.fs.v2.refs.Signature
 }
 var file_object_grpc_types_proto_depIdxs = []int32{
-	8,  // 0: neo.fs.v2.object.ShortHeader.version:type_name -> neo.fs.v2.refs.Version
-	9,  // 1: neo.fs.v2.object.ShortHeader.owner_id:type_name -> neo.fs.v2.refs.OwnerID
+	11, // 0: neo.fs.v2.object.ShortHeader.version:type_name -> neo.fs.v2.refs.Version
+	12, // 1: neo.fs.v2.object.ShortHeader.owner_id:type_name -> neo.fs.v2.refs.OwnerID
 	0,  // 2: neo.fs.v2.object.ShortHeader.object_type:type_name -> neo.fs.v2.object.ObjectType
-	10, // 3: neo.fs.v2.object.ShortHeader.payload_hash:type_name -> neo.fs.v2.refs.Checksum
-	10, // 4: neo.fs.v2.object.ShortHeader.homomorphic_hash:type_name -> neo.fs.v2.refs.Checksum
-	8,  // 5: neo.fs.v2.object.Header.version:type_name -> neo.fs.v2.refs.Version
-	11, // 6: neo.fs.v2.object.Header.container_id:type_name -> neo.fs.v2.refs.ContainerID
-	9,  // 7: neo.fs.v2.object.Header.owner_id:type_name -> neo.fs.v2.refs.OwnerID
-	10, // 8: neo.fs.v2.object.Header.payload_hash:type_name -> neo.fs.v2.refs.Checksum
+	13, // 3: neo.fs.v2.object.ShortHeader.payload_hash:type_name -> neo.fs.v2.refs.Checksum
+	13, // 4: neo.fs.v2.object.ShortHeader.homomorphic_hash:type_name -> neo.fs.v2.refs.Checksum
+	11, // 5: neo.fs.v2.object.Header.version:type_name -> neo.fs.v2.refs.Version
+	14, // 6: neo.fs.v2.object.Header.container_id:type_name -> neo.fs.v2.refs.ContainerID
+	12, // 7: neo.fs.v2.object.Header.owner_id:type_name -> neo.fs.v2.refs.OwnerID
+	13, // 8: neo.fs.v2.object.Header.payload_hash:type_name -> neo.fs.v2.refs.Checksum
 	0,  // 9: neo.fs.v2.object.Header.object_type:type_name -> neo.fs.v2.object.ObjectType
-	10, // 10: neo.fs.v2.object.Header.homomorphic_hash:type_name -> neo.fs.v2.refs.Checksum
-	12, // 11: neo.fs.v2.object.Header.session_token:type_name -> neo.fs.v2.session.SessionToken
-	6,  // 12: neo.fs.v2.object.Header.attributes:type_name -> neo.fs.v2.object.Header.Attribute
-	7,  // 13: neo.fs.v2.object.Header.split:type_name -> neo.fs.v2.object.Header.Split
-	13, // 14: neo.fs.v2.object.Object.object_id:type_name -> neo.fs.v2.refs.ObjectID
-	14, // 15: neo.fs.v2.object.Object.signature:type_name -> neo.fs.v2.refs.Signature
-	3,  // 16: neo.fs.v2.object.Object.header:type_name -> neo.fs.v2.object.Header
-	13, // 17: neo.fs.v2.object.SplitInfo.last_part:type_name -> neo.fs.v2.refs.ObjectID
-	13, // 18: neo.fs.v2.object.SplitInfo.link:type_name -> neo.fs.v2.refs.ObjectID
-	13, // 19: neo.fs.v2.object.Header.Split.parent:type_name -> neo.fs.v2.refs.ObjectID
-	13, // 20: neo.fs.v2.object.Header.Split.previous:type_name -> neo.fs.v2.refs.ObjectID
-	14, // 21: neo.fs.v2.object.Header.Split.parent_signature:type_name -> neo.fs.v2.refs.Signature
-	3,  // 22: neo.fs.v2.object.Header.Split.parent_header:type_name -> neo.fs.v2.object.Header
-	13, // 23: neo.fs.v2.object.Header.Split.children:type_name -> neo.fs.v2.refs.ObjectID
-	24, // [24:24] is the sub-list for method output_type
-	24, // [24:24] is the sub-list for method input_type
-	24, // [24:24] is the sub-list for extension type_name
-	24, // [24:24] is the sub-list for extension extendee
-	0,  // [0:24] is the sub-list for field type_name
+	13, // 10: neo.fs.v2.object.Header.homomorphic_hash:type_name -> neo.fs.v2.refs.Checksum
+	15, // 11: neo.fs.v2.object.Header.session_token:type_name -> neo.fs.v2.session.SessionToken
+	7,  // 12: neo.fs.v2.object.Header.attributes:type_name -> neo.fs.v2.object.Header.Attribute
+	8,  // 13: neo.fs.v2.object.Header.split:type_name -> neo.fs.v2.object.Header.Split
+	9,  // 14: neo.fs.v2.object.Header.ec:type_name -> neo.fs.v2.object.Header.EC
+	16, // 15: neo.fs.v2.object.Object.object_id:type_name -> neo.fs.v2.refs.ObjectID
+	17, // 16: neo.fs.v2.object.Object.signature:type_name -> neo.fs.v2.refs.Signature
+	3,  // 17: neo.fs.v2.object.Object.header:type_name -> neo.fs.v2.object.Header
+	16, // 18: neo.fs.v2.object.SplitInfo.last_part:type_name -> neo.fs.v2.refs.ObjectID
+	16, // 19: neo.fs.v2.object.SplitInfo.link:type_name -> neo.fs.v2.refs.ObjectID
+	10, // 20: neo.fs.v2.object.ECInfo.chunks:type_name -> neo.fs.v2.object.ECInfo.Chunk
+	16, // 21: neo.fs.v2.object.Header.Split.parent:type_name -> neo.fs.v2.refs.ObjectID
+	16, // 22: neo.fs.v2.object.Header.Split.previous:type_name -> neo.fs.v2.refs.ObjectID
+	17, // 23: neo.fs.v2.object.Header.Split.parent_signature:type_name -> neo.fs.v2.refs.Signature
+	3,  // 24: neo.fs.v2.object.Header.Split.parent_header:type_name -> neo.fs.v2.object.Header
+	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.ECInfo.Chunk.id:type_name -> neo.fs.v2.refs.ObjectID
+	28, // [28:28] is the sub-list for method output_type
+	28, // [28:28] is the sub-list for method input_type
+	28, // [28:28] is the sub-list for extension type_name
+	28, // [28:28] is the sub-list for extension extendee
+	0,  // [0:28] is the sub-list for field type_name
 }
 
 func init() { file_object_grpc_types_proto_init() }
@@ -1002,7 +1244,7 @@ func file_object_grpc_types_proto_init() {
 			}
 		}
 		file_object_grpc_types_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Header_Attribute); i {
+			switch v := v.(*ECInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1014,6 +1256,18 @@ func file_object_grpc_types_proto_init() {
 			}
 		}
 		file_object_grpc_types_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Header_Attribute); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_object_grpc_types_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Header_Split); i {
 			case 0:
 				return &v.state
@@ -1025,6 +1279,30 @@ func file_object_grpc_types_proto_init() {
 				return nil
 			}
 		}
+		file_object_grpc_types_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Header_EC); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_object_grpc_types_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ECInfo_Chunk); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -1032,7 +1310,7 @@ func file_object_grpc_types_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_object_grpc_types_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   6,
+			NumMessages:   9,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/object/marshal.go b/object/marshal.go
index ddd5746..989dd43 100644
--- a/object/marshal.go
+++ b/object/marshal.go
@@ -26,6 +26,12 @@ const (
 	splitHdrChildrenField        = 5
 	splitHdrSplitIDField         = 6
 
+	ecHdrParentField       = 1
+	ecHdrIndexField        = 2
+	ecHdrTotalField        = 3
+	ecHdrHeaderLengthField = 4
+	ecHdrHeaderField       = 5
+
 	hdrVersionField         = 1
 	hdrContainerIDField     = 2
 	hdrOwnerIDField         = 3
@@ -37,6 +43,7 @@ const (
 	hdrSessionTokenField    = 9
 	hdrAttributesField      = 10
 	hdrSplitField           = 11
+	hdrECField              = 12
 
 	hdrWithSigHeaderField    = 1
 	hdrWithSigSignatureField = 2
@@ -229,6 +236,43 @@ func (h *SplitHeader) Unmarshal(data []byte) error {
 	return message.Unmarshal(h, data, new(object.Header_Split))
 }
 
+func (h *ECHeader) StableMarshal(buf []byte) []byte {
+	if h == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, h.StableSize())
+	}
+
+	var offset int
+
+	offset += proto.NestedStructureMarshal(ecHdrParentField, buf[offset:], h.Parent)
+	offset += proto.UInt32Marshal(ecHdrIndexField, buf[offset:], h.Index)
+	offset += proto.UInt32Marshal(ecHdrTotalField, buf[offset:], h.Total)
+	offset += proto.UInt32Marshal(ecHdrHeaderLengthField, buf[offset:], h.HeaderLength)
+	proto.BytesMarshal(ecHdrHeaderField, buf[offset:], h.Header)
+	return buf
+}
+
+func (h *ECHeader) StableSize() (size int) {
+	if h == nil {
+		return 0
+	}
+
+	size += proto.NestedStructureSize(ecHdrParentField, h.Parent)
+	size += proto.UInt32Size(ecHdrIndexField, h.Index)
+	size += proto.UInt32Size(ecHdrTotalField, h.Total)
+	size += proto.UInt32Size(ecHdrHeaderLengthField, h.HeaderLength)
+	size += proto.BytesSize(ecHdrHeaderField, h.Header)
+
+	return size
+}
+
+func (h *ECHeader) Unmarshal(data []byte) error {
+	return message.Unmarshal(h, data, new(object.Header_EC))
+}
+
 func (h *Header) StableMarshal(buf []byte) []byte {
 	if h == nil {
 		return []byte{}
@@ -255,6 +299,7 @@ func (h *Header) StableMarshal(buf []byte) []byte {
 	}
 
 	proto.NestedStructureMarshal(hdrSplitField, buf[offset:], h.split)
+	proto.NestedStructureMarshal(hdrECField, buf[offset:], h.ec)
 
 	return buf
 }
@@ -277,6 +322,7 @@ func (h *Header) StableSize() (size int) {
 		size += proto.NestedStructureSize(hdrAttributesField, &h.attr[i])
 	}
 	size += proto.NestedStructureSize(hdrSplitField, h.split)
+	size += proto.NestedStructureSize(hdrECField, h.ec)
 
 	return size
 }
diff --git a/object/message_test.go b/object/message_test.go
index a111c60..e675f49 100644
--- a/object/message_test.go
+++ b/object/message_test.go
@@ -16,6 +16,7 @@ func TestMessageConvert(t *testing.T) {
 		func(empty bool) message.Message { return objecttest.GenerateHeader(empty) },
 		func(empty bool) message.Message { return objecttest.GenerateObject(empty) },
 		func(empty bool) message.Message { return objecttest.GenerateSplitInfo(empty) },
+		func(empty bool) message.Message { return objecttest.GenerateECInfo(empty) },
 		func(empty bool) message.Message { return objecttest.GenerateGetRequestBody(empty) },
 		func(empty bool) message.Message { return objecttest.GenerateGetRequest(empty) },
 		func(empty bool) message.Message { return objecttest.GenerateGetObjectPartInit(empty) },
diff --git a/object/test/generate.go b/object/test/generate.go
index 085880c..b107023 100644
--- a/object/test/generate.go
+++ b/object/test/generate.go
@@ -137,6 +137,31 @@ func GenerateSplitInfo(empty bool) *object.SplitInfo {
 	return m
 }
 
+func GenerateECInfo(empty bool) *object.ECInfo {
+	m := new(object.ECInfo)
+
+	if !empty {
+		m.Chunks = make([]object.ECChunk, 2)
+		for i := range m.Chunks {
+			m.Chunks[i] = *GenerateECChunk(false)
+		}
+	}
+
+	return m
+}
+
+func GenerateECChunk(empty bool) *object.ECChunk {
+	m := new(object.ECChunk)
+
+	if !empty {
+		m.ID = *refstest.GenerateObjectID(false)
+		m.Index = 4
+		m.Total = 7
+	}
+
+	return m
+}
+
 func GenerateGetRequestBody(empty bool) *object.GetRequestBody {
 	m := new(object.GetRequestBody)
 
diff --git a/object/types.go b/object/types.go
index f9e2ed6..3af08b6 100644
--- a/object/types.go
+++ b/object/types.go
@@ -39,6 +39,15 @@ type SplitHeader struct {
 	splitID []byte
 }
 
+type ECHeader struct {
+	Parent       *refs.ObjectID
+	Index        uint32
+	Total        uint32
+	Header       []byte
+	HeaderLength uint32
+	Signature    []byte
+}
+
 type Header struct {
 	version *refs.Version
 
@@ -59,6 +68,8 @@ type Header struct {
 	attr []Attribute
 
 	split *SplitHeader
+
+	ec *ECHeader
 }
 
 type HeaderWithSignature struct {
@@ -88,6 +99,16 @@ type SplitInfo struct {
 	link *refs.ObjectID
 }
 
+type ECChunk struct {
+	ID    refs.ObjectID
+	Index uint32
+	Total uint32
+}
+
+type ECInfo struct {
+	Chunks []ECChunk
+}
+
 type GetRequestBody struct {
 	addr *refs.Address
 
@@ -655,6 +676,17 @@ func (h *Header) SetSplit(v *SplitHeader) {
 	h.split = v
 }
 
+func (h *Header) GetEC() *ECHeader {
+	if h != nil {
+		return h.ec
+	}
+	return nil
+}
+
+func (h *Header) SetEC(v *ECHeader) {
+	h.ec = v
+}
+
 func (h *HeaderWithSignature) GetHeader() *Header {
 	if h != nil {
 		return h.header
diff --git a/refs/grpc/types.pb.go b/refs/grpc/types.pb.go
index cfb51ea..681bb0d 100644
--- a/refs/grpc/types.pb.go
+++ b/refs/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: refs/grpc/types.proto
 
 package refs
@@ -20,7 +20,8 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// Signature scheme describes digital signing scheme used for (key, signature) pair.
+// Signature scheme describes digital signing scheme used for (key, signature)
+// pair.
 type SignatureScheme int32
 
 const (
@@ -193,8 +194,8 @@ func (x *Address) GetObjectId() *ObjectID {
 //
 // `ObjectID` is a 32 byte long
 // [SHA256](https://csrc.nist.gov/publications/detail/fips/180/4/final) hash of
-// the object's `header` field, which, in it's turn, contains the hash of the object's
-// payload.
+// the object's `header` field, which, in it's turn, contains the hash of the
+// object's payload.
 //
 // String presentation is a
 // [base58](https://tools.ietf.org/html/draft-msporny-base58-02) encoded string.
@@ -381,7 +382,8 @@ func (x *OwnerID) GetValue() []byte {
 // API version used by a node.
 //
 // String presentation is a Semantic Versioning 2.0.0 compatible version string
-// with 'v' prefix. i.e. `vX.Y`, where `X` is the major number, `Y` is the minor number.
+// with 'v' prefix. i.e. `vX.Y`, where `X` is the major number, `Y` is the minor
+// number.
 type Version struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
diff --git a/session/grpc/service.pb.go b/session/grpc/service.pb.go
index c01bfa8..a6fa504 100644
--- a/session/grpc/service.pb.go
+++ b/session/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: session/grpc/service.proto
 
 package session
diff --git a/session/grpc/service_grpc.pb.go b/session/grpc/service_grpc.pb.go
index a67c47a..bdcc3ba 100644
--- a/session/grpc/service_grpc.pb.go
+++ b/session/grpc/service_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.4
+// - protoc             v4.25.3
 // source: session/grpc/service.proto
 
 package session
diff --git a/session/grpc/types.pb.go b/session/grpc/types.pb.go
index 23e46c7..e16a7c6 100644
--- a/session/grpc/types.pb.go
+++ b/session/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: session/grpc/types.proto
 
 package session
@@ -342,15 +342,15 @@ func (x *SessionToken) GetSignature() *grpc.Signature {
 	return nil
 }
 
-// Extended headers for Request/Response. They may contain any user-defined headers
-// to be interpreted on application level.
+// Extended headers for Request/Response. They may contain any user-defined
+// headers to be interpreted on application level.
 //
-// Key name must be a unique valid UTF-8 string. Value can't be empty. Requests or
-// Responses with duplicated header names or headers with empty values will be
-// considered invalid.
+// Key name must be a unique valid UTF-8 string. Value can't be empty. Requests
+// or Responses with duplicated header names or headers with empty values will
+// be considered invalid.
 //
-// There are some "well-known" headers starting with `__SYSTEM__` (`__NEOFS__` is deprecated) prefix that
-// affect system behaviour:
+// There are some "well-known" headers starting with `__SYSTEM__` (`__NEOFS__`
+// is deprecated) prefix that affect system behaviour:
 //
 //   - [ __SYSTEM__NETMAP_EPOCH ] \
 //     (`__NEOFS__NETMAP_EPOCH` is deprecated) \
@@ -361,8 +361,8 @@ func (x *SessionToken) GetSignature() *grpc.Signature {
 //     (`__NEOFS__NETMAP_LOOKUP_DEPTH` is deprecated) \
 //     If object can't be found using current epoch's netmap, this header limits
 //     how many past epochs the node can look up through. The `value` is string
-//     encoded `uint64` in decimal presentation. If set to '0' or not set, only the
-//     current epoch will be used.
+//     encoded `uint64` in decimal presentation. If set to '0' or not set, only
+//     the current epoch will be used.
 type XHeader struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
diff --git a/status/grpc/types.pb.go b/status/grpc/types.pb.go
index ddbaa6c..0972805 100644
--- a/status/grpc/types.pb.go
+++ b/status/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: status/grpc/types.proto
 
 package status
diff --git a/tombstone/grpc/types.pb.go b/tombstone/grpc/types.pb.go
index 109a131..6a064dc 100644
--- a/tombstone/grpc/types.pb.go
+++ b/tombstone/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: tombstone/grpc/types.proto
 
 package tombstone
@@ -28,9 +28,10 @@ type Tombstone struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Last NeoFS epoch number of the tombstone lifetime. It's set by the tombstone
-	// creator depending on the current NeoFS network settings. A tombstone object
-	// must have the same expiration epoch value in `__SYSTEM__EXPIRATION_EPOCH` (`__NEOFS__EXPIRATION_EPOCH` is deprecated)
+	// Last NeoFS epoch number of the tombstone lifetime. It's set by the
+	// tombstone creator depending on the current NeoFS network settings. A
+	// tombstone object must have the same expiration epoch value in
+	// `__SYSTEM__EXPIRATION_EPOCH` (`__NEOFS__EXPIRATION_EPOCH` is deprecated)
 	// attribute. Otherwise, the tombstone will be rejected by a storage node.
 	ExpirationEpoch uint64 `protobuf:"varint,1,opt,name=expiration_epoch,json=expirationEpoch,proto3" json:"expiration_epoch,omitempty"`
 	// 16 byte UUID used to identify the split object hierarchy parts. Must be
diff --git a/util/proto/test/test.pb.go b/util/proto/test/test.pb.go
index 2fa2d4e..0b9f43d 100644
--- a/util/proto/test/test.pb.go
+++ b/util/proto/test/test.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.4
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: util/proto/test/test.proto
 
 package test