diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
index e41de38..66ea6db 100644
--- a/Source/WebKit/ChangeLog
+++ b/Source/WebKit/ChangeLog
@@ -1,3 +1,17 @@
+2019-10-21  Daniel Bates  <dabates@apple.com>
+
+        Add some PencilKit extension points
+        https://bugs.webkit.org/show_bug.cgi?id=202962
+        <rdar://problem/56269759>
+
+        Reviewed by Andy Estes.
+
+        This is the WebKit part corresponding to <rdar://problem/56261392>.
+
+        * UIProcess/ios/WKContentViewInteraction.mm:
+        (-[WKContentView setupInteraction]): Call extension point.
+        (-[WKContentView cleanupInteraction]): Ditto.
+
 2019-10-21  Chris Dumez  <cdumez@apple.com>
 
         Add more release logging for "Unexpectedly resumed" assertion
diff --git a/Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm b/Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm
index bda6cca..22a34eb 100644
--- a/Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm
+++ b/Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm
@@ -146,6 +146,10 @@
 #import <WebKitAdditions/WKPlatformFileUploadPanel.mm>
 #endif
 
+#if HAVE(PENCILKIT_ADDITIONS)
+#import <WebKitAdditions/WebKitPencilAdditions.h>
+#endif
+
 #if ENABLE(POINTER_EVENTS)
 #import "RemoteScrollingCoordinatorProxy.h"
 #import <WebCore/TouchAction.h>
@@ -796,6 +800,10 @@
     [self setupDragAndDropInteractions];
 #endif
 
+#if HAVE(PENCILKIT_ADDITIONS)
+    [self setupPencilInteraction];
+#endif
+
     _twoFingerSingleTapGestureRecognizer = adoptNS([[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(_twoFingerSingleTapGestureRecognized:)]);
     [_twoFingerSingleTapGestureRecognizer setAllowableMovement:60];
     [_twoFingerSingleTapGestureRecognizer _setAllowableSeparation:150];
@@ -949,6 +957,10 @@
     [self teardownDragAndDropInteractions];
 #endif
 
+#if HAVE(PENCILKIT_ADDITIONS)
+    [self cleanupPencilInteraction];
+#endif
+
     _inspectorNodeSearchEnabled = NO;
     if (_inspectorNodeSearchGestureRecognizer) {
         [_inspectorNodeSearchGestureRecognizer setDelegate:nil];