diff --git a/src/PIL/ExifTags.py b/src/PIL/ExifTags.py
index 47a981e0f..cecc3f246 100644
--- a/src/PIL/ExifTags.py
+++ b/src/PIL/ExifTags.py
@@ -152,6 +152,12 @@ TAGS = {
     0x9290: "SubsecTime",
     0x9291: "SubsecTimeOriginal",
     0x9292: "SubsecTimeDigitized",
+    0x9400: "AmbientTemperature",
+    0x9401: "Humidity",
+    0x9402: "Pressure",
+    0x9403: "WaterDepth",
+    0x9404: "Acceleration",
+    0x9405: "CameraElevationAngle",
     0x9C9B: "XPTitle",
     0x9C9C: "XPComment",
     0x9C9D: "XPAuthor",