diff --git a/opentelemetry-extra.cabal b/opentelemetry-extra.cabal
--- a/opentelemetry-extra.cabal
+++ b/opentelemetry-extra.cabal
@@ -2,7 +2,7 @@
 name:                opentelemetry-extra
 description:         The OpenTelemetry Haskell Client https://opentelemetry.io
 category:            OpenTelemetry
-version: 0.7.0
+version: 0.8.0
 license-file:        LICENSE
 license:             Apache-2.0
 author:              Dmitry Ivanov
diff --git a/src/OpenTelemetry/ChromeExporter.hs b/src/OpenTelemetry/ChromeExporter.hs
--- a/src/OpenTelemetry/ChromeExporter.hs
+++ b/src/OpenTelemetry/ChromeExporter.hs
@@ -47,6 +47,7 @@
         J.object
           ( spanTags
               & HM.insert "gc_us" (IntTagValue . fromIntegral $ spanNanosecondsSpentInGC `div` 1000)
+              & HM.insert "original_tid" (IntTagValue . fromIntegral $ spanThreadId)
               & ( if spanNanosecondsSpentInGC == 0
                     then id
                     else HM.insert "gc_fraction" (DoubleTagValue (fromIntegral spanNanosecondsSpentInGC / fromIntegral (spanFinishedAt - spanStartedAt)))
@@ -109,6 +110,7 @@
                 J.toByteString $
                   J.object
                     [ ("ph", J.textString "C"),
+                      ("pid", J.intNumber 1),
                       ("name", J.textString name),
                       ("ts", J.wordNumber $ fromIntegral $ div ts 1000),
                       ("args", J.object [(name, J.intNumber value)])