diff --git a/src/aare/gui/models/user_sample_model.py b/src/aare/gui/models/user_sample_model.py
index 0d25a5ce..78699887 100644
--- a/src/aare/gui/models/user_sample_model.py
+++ b/src/aare/gui/models/user_sample_model.py
@@ -43,7 +43,19 @@ def get_entry(sample: SampleShortInfo, column: int):
         return sample.screening_count
     elif column == 10:
         return sample.rotation_count
+    # Data-collection params straight from the AareDB spreadsheet (filled by
+    # spreadsheetupdater). Nullable: samples without params show blank.
     elif column == 11:
+        return sample.aaredb_params.oscillation if sample.aaredb_params else None
+    elif column == 12:
+        return sample.aaredb_params.exposure if sample.aaredb_params else None
+    elif column == 13:
+        return sample.aaredb_params.totalangle if sample.aaredb_params else None
+    elif column == 14:
+        # Model holds a 0-1 fraction; users think in spreadsheet percent.
+        t = sample.aaredb_params.transmission if sample.aaredb_params else None
+        return None if t is None else round(t * 100, 1)
+    elif column == 15:
         return sample.comment
     return ""
 
@@ -74,6 +86,10 @@ class UserSampleSpreadsheet(QAbstractTableModel):
             # collected, so Screening sits left of Rotation.
             "Screening count",
             "Rotation count",
+            "Oscillation (°)",
+            "Exposure (s)",
+            "Total range (°)",
+            "Transmission (%)",
             "Comment",
         ]
         self.current_sample = current_sample
@@ -261,10 +277,16 @@ class UserSampleSpreadsheet(QAbstractTableModel):
                 ),  # Reverse for descending order
             )
         else:
-            # Sort the samples based on the specified column and order
+            # Sort the samples based on the specified column and order.
+            # Nullable columns (params, comment): None sorts last, never
+            # compared against a real value (None < float raises).
+            def _key(row):
+                v = get_entry(row, self._sort_col)
+                return (v is None, "" if v is None else v)
+
             self._sorted_samples = sorted(
                 filtered,
-                key=lambda row: get_entry(row, self._sort_col),
+                key=_key,
                 reverse=(
                     self._sort_order == Qt.SortOrder.DescendingOrder
                 ),  # Reverse for descending order
diff --git a/tests/unit/gui/test_models.py b/tests/unit/gui/test_models.py
index 95c634bc..e36b10df 100644
--- a/tests/unit/gui/test_models.py
+++ b/tests/unit/gui/test_models.py
@@ -263,3 +263,28 @@ def test_mime_data_round_trips_for_chip_drops(status_model):
     samples = SampleShortInfoList.model_validate_json(payload.text())
     assert len(samples.s) == 2
     assert samples.s[0].db_id == model.get_id(0).db_id
+
+
+def test_spreadsheet_param_columns(status_model):
+    from aarecommon.models.models import DataCollectionParameters
+
+    model = status_model
+    hdr = model.header
+    osc, exp, tot, trans = (
+        hdr.index("Oscillation (°)"),
+        hdr.index("Exposure (s)"),
+        hdr.index("Total range (°)"),
+        hdr.index("Transmission (%)"),
+    )
+    model.get_id(_row_of(model, 1)).aaredb_params = DataCollectionParameters(
+        oscillation=0.1, exposure=0.01, totalangle=360, transmission=0.125
+    )
+    row = _row_of(model, 1)
+    d = lambda c: model.data(model.index(row, c), Qt.ItemDataRole.DisplayRole)
+    assert (d(osc), d(exp), d(tot), d(trans)) == (0.1, 0.01, 360, 12.5)
+    # No params -> blank, and sorting a mostly-None column must not raise;
+    # the real value sorts first.
+    assert model.data(model.index(_row_of(model, 2), osc), Qt.ItemDataRole.DisplayRole) is None
+    model.sort(osc, Qt.SortOrder.AscendingOrder)
+    assert model.get_id(0).db_id == 1
+    assert model.headerData(hdr.index("Comment"), Qt.Orientation.Horizontal, 0) == "Comment"