diff --git a/core/nwb.icephys.yaml b/core/nwb.icephys.yaml
index 7f717315..62c1e46b 100644
--- a/core/nwb.icephys.yaml
+++ b/core/nwb.icephys.yaml
@@ -286,6 +286,10 @@ groups:
   - name: stimulus
     neurodata_type_inc: TimeSeriesReferenceVectorData
     doc: Column storing the reference to the recorded stimulus for the recording (rows).
+  - name: stimulus_template
+    neurodata_type_inc: TimeSeriesReferenceVectorData
+    doc: Column storing the reference to the stimulus template for the recording (rows).
+    quantity: '?'
 
 - neurodata_type_def: IntracellularResponsesTable
   neurodata_type_inc: DynamicTable
diff --git a/docs/format/source/format_release_notes.rst b/docs/format/source/format_release_notes.rst
index f909b35f..b81520f4 100644
--- a/docs/format/source/format_release_notes.rst
+++ b/docs/format/source/format_release_notes.rst
@@ -10,6 +10,7 @@ Minor changes
 ^^^^^^^^^^^^^
 - Fixed typos in docstrings. (#560)
 - Modified `OptogeneticSeries` to allow 2D data, primarily in extensions of `OptogeneticSeries`. (#564)
+- Added optional ``stimulus_template`` column to ``IntracellularStimuliTable`` as part of the ``IntracellularRecordingsTable``. (#545)
 
 2.6.0 (January 17, 2023)
 -----------------------