diff --git a/prompb/io/prometheus/client/metrics.pb.go b/prompb/io/prometheus/client/metrics.pb.go
index 702ee62fc..17cab6081 100644
--- a/prompb/io/prometheus/client/metrics.pb.go
+++ b/prompb/io/prometheus/client/metrics.pb.go
@@ -438,11 +438,13 @@ type Histogram struct {
 	// Use either "positive_delta" or "positive_count", the former for
 	// regular histograms with integer counts, the latter for float
 	// histograms.
-	PositiveDelta        []int64   `protobuf:"zigzag64,13,rep,packed,name=positive_delta,json=positiveDelta,proto3" json:"positive_delta,omitempty"`
-	PositiveCount        []float64 `protobuf:"fixed64,14,rep,packed,name=positive_count,json=positiveCount,proto3" json:"positive_count,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
-	XXX_unrecognized     []byte    `json:"-"`
-	XXX_sizecache        int32     `json:"-"`
+	PositiveDelta []int64   `protobuf:"zigzag64,13,rep,packed,name=positive_delta,json=positiveDelta,proto3" json:"positive_delta,omitempty"`
+	PositiveCount []float64 `protobuf:"fixed64,14,rep,packed,name=positive_count,json=positiveCount,proto3" json:"positive_count,omitempty"`
+	// Only used for native histograms. These exemplars MUST have a timestamp.
+	Exemplars            []*Exemplar `protobuf:"bytes,16,rep,name=exemplars,proto3" json:"exemplars,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
+	XXX_unrecognized     []byte      `json:"-"`
+	XXX_sizecache        int32       `json:"-"`
 }
 
 func (m *Histogram) Reset()         { *m = Histogram{} }
@@ -583,6 +585,13 @@ func (m *Histogram) GetPositiveCount() []float64 {
 	return nil
 }
 
+func (m *Histogram) GetExemplars() []*Exemplar {
+	if m != nil {
+		return m.Exemplars
+	}
+	return nil
+}
+
 type Bucket struct {
 	CumulativeCount      uint64    `protobuf:"varint,1,opt,name=cumulative_count,json=cumulativeCount,proto3" json:"cumulative_count,omitempty"`
 	CumulativeCountFloat float64   `protobuf:"fixed64,4,opt,name=cumulative_count_float,json=cumulativeCountFloat,proto3" json:"cumulative_count_float,omitempty"`
@@ -973,68 +982,69 @@ func init() {
 }
 
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+	0xd3, 0xbb, 0x58, 0xad, 0x9c, 0x9f, 0x0c, 0x68, 0xeb, 0x4d, 0xd1, 0x67, 0xd0, 0x08, 0xf8, 0x1c,
+	0xb1, 0x0d, 0x91, 0x66, 0xbf, 0xda, 0x43, 0x31, 0x6a, 0xd4, 0x33, 0x96, 0x9a, 0xea, 0xfe, 0x8a,
+	0x3e, 0x05, 0xf3, 0x26, 0xed, 0xbd, 0x24, 0x3b, 0x3f, 0xd6, 0xa0, 0x39, 0x11, 0x33, 0xf3, 0xff,
+	0xf9, 0xfa, 0x00, 0x1a, 0x1e, 0x9f, 0x72, 0x6a, 0x42, 0xbd, 0x59, 0x2d, 0x16, 0x83, 0x10, 0x4b,
+	0x26, 0xfa, 0x04, 0x5a, 0x4b, 0x39, 0xf8, 0x94, 0xe5, 0x83, 0x6a, 0x91, 0x9a, 0x8e, 0x58, 0xb3,
+	0xb9, 0x30, 0x93, 0xc3, 0x44, 0xf5, 0xec, 0x2d, 0x42, 0x35, 0x71, 0xb0, 0x66, 0x73, 0x61, 0x2e,
+	0xbb, 0xb5, 0x68, 0x45, 0x5b, 0x85, 0xaa, 0xa5, 0x63, 0xcd, 0x46, 0x9f, 0x83, 0xb9, 0xd6, 0x4d,
+	0x5c, 0xb4, 0xa0, 0xad, 0xf1, 0x14, 0xbd, 0x1e, 0x97, 0x0a, 0xde, 0xf6, 0x8b, 0xc4, 0xdd, 0x30,
+	0x13, 0x7d, 0xae, 0x86, 0x3b, 0x05, 0x36, 0xc9, 0x9c, 0x5f, 0x0c, 0xd8, 0x91, 0xcf, 0xe1, 0x11,
+	0x09, 0xfd, 0xe0, 0xa2, 0xf2, 0x07, 0x03, 0x41, 0x7d, 0x4d, 0x83, 0x44, 0xfd, 0x5f, 0x88, 0x6b,
+	0x74, 0x0f, 0xea, 0xdc, 0xa3, 0x88, 0x70, 0x77, 0x5b, 0xc7, 0x90, 0x3b, 0xcf, 0x2e, 0x12, 0x8a,
+	0x05, 0x9b, 0x0f, 0x06, 0xf9, 0xa7, 0x64, 0xd7, 0xaf, 0x1b, 0x0c, 0x52, 0xa7, 0x07, 0x83, 0x54,
+	0x70, 0x17, 0x79, 0xe4, 0x33, 0x11, 0xa1, 0x89, 0xc5, 0xf5, 0x7b, 0x0b, 0x80, 0xf2, 0x0c, 0xd4,
+	0x81, 0xd6, 0x83, 0x67, 0xf3, 0xa7, 0xb3, 0x33, 0x6c, 0xdd, 0x42, 0x26, 0x34, 0xc6, 0x27, 0xf3,
+	0xf1, 0x99, 0x65, 0x70, 0x7c, 0x3a, 0x9f, 0x4c, 0x4e, 0xf0, 0x0b, 0xeb, 0x36, 0x5f, 0xcc, 0x9f,
+	0xce, 0x5e, 0x3c, 0x3f, 0x7b, 0x68, 0xd5, 0x50, 0x17, 0xcc, 0xc7, 0x5f, 0x4e, 0x67, 0xcf, 0xc6,
+	0xf8, 0x64, 0x62, 0xd5, 0xd1, 0x1b, 0x70, 0x47, 0x68, 0xdc, 0x12, 0x6c, 0x9c, 0x3a, 0xaf, 0x2e,
+	0x0f, 0x8d, 0xdf, 0x2e, 0x0f, 0x8d, 0x3f, 0x2f, 0x0f, 0x8d, 0x6f, 0x7a, 0x7e, 0xec, 0x96, 0x86,
+	0x5d, 0x69, 0x78, 0xd1, 0x14, 0x6f, 0xfb, 0x47, 0x7f, 0x07, 0x00, 0x00, 0xff, 0xff, 0x1c, 0xe1,
+	0xcf, 0xb8, 0x1d, 0x0a, 0x00, 0x00,
 }
 
 func (m *LabelPair) Marshal() (dAtA []byte, err error) {
@@ -1328,6 +1338,22 @@ func (m *Histogram) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
+	if len(m.Exemplars) > 0 {
+		for iNdEx := len(m.Exemplars) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.Exemplars[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintMetrics(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0x1
+			i--
+			dAtA[i] = 0x82
+		}
+	}
 	if m.CreatedTimestamp != nil {
 		{
 			size, err := m.CreatedTimestamp.MarshalToSizedBuffer(dAtA[:i])
@@ -2006,6 +2032,12 @@ func (m *Histogram) Size() (n int) {
 		l = m.CreatedTimestamp.Size()
 		n += 1 + l + sovMetrics(uint64(l))
 	}
+	if len(m.Exemplars) > 0 {
+		for _, e := range m.Exemplars {
+			l = e.Size()
+			n += 2 + l + sovMetrics(uint64(l))
+		}
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -3291,6 +3323,40 @@ func (m *Histogram) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 16:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Exemplars", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Exemplars = append(m.Exemplars, &Exemplar{})
+			if err := m.Exemplars[len(m.Exemplars)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipMetrics(dAtA[iNdEx:])
diff --git a/prompb/io/prometheus/client/metrics.proto b/prompb/io/prometheus/client/metrics.proto
index 06dcc34af..fe55638bb 100644
--- a/prompb/io/prometheus/client/metrics.proto
+++ b/prompb/io/prometheus/client/metrics.proto
@@ -112,6 +112,9 @@ message Histogram {
   // histograms.
   repeated sint64 positive_delta = 13; // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
   repeated double positive_count = 14; // Absolute count of each bucket.
+
+  // Only used for native histograms. These exemplars MUST have a timestamp.
+  repeated Exemplar exemplars = 16;
 }
 
 message Bucket {