diff --git a/src/System.Private.CoreLib/shared/System/String.cs b/src/System.Private.CoreLib/shared/System/String.cs
index 10f75225c00d..177d5e1f17b1 100644
--- a/src/System.Private.CoreLib/shared/System/String.cs
+++ b/src/System.Private.CoreLib/shared/System/String.cs
@@ -472,6 +472,13 @@ public static bool IsNullOrWhiteSpace(string value)
             return true;
         }
 
+        /// <summary>
+        /// Returns a reference to the first element of the String. If the string is null, an access will throw a NullReferenceException.
+        /// </summary>
+        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [NonVersionable]
+        public ref readonly char GetPinnableReference() => ref _firstChar;
+
         internal ref char GetRawStringData() => ref _firstChar;
 
         // Helper for encodings so they can talk to our buffer directly