diff --git a/output/block_shifts/timetable.js b/output/block_shifts/timetable.js
index 112736a..1fd3e23 100644
--- a/output/block_shifts/timetable.js
+++ b/output/block_shifts/timetable.js
@@ -445,9 +445,19 @@ $("#rota-table tr td:first-child").each((n, td) => {
 
 function viewWorker(worker) {
     ds = worker.dataset;
+    let exactShiftsText = "(none)";
+    if (ds.exactShifts) {
+        try {
+            let parsed = JSON.parse(ds.exactShifts);
+            if (Object.keys(parsed).length > 0) {
+                exactShiftsText = Object.entries(parsed).map(([s, c]) => `${s}: ${c}`).join(", ");
+            }
+        } catch(e) {}
+    }
     dlg = $(`<div class='dialog' title='${ds.worker}'>
     Site: ${ds.site}</br>
     FTE: ${ds.fte} (${ds.fte_adj})</br>
+    Exact shifts: ${exactShiftsText}</br>
     Start date: ${ds.start_date}</br>
     End date: ${ds.end_date}</br>
     Non working days: ${ds.nwds}</br>
diff --git a/output/timetable.js b/output/timetable.js
index 27e0bde..73a21fe 100644
--- a/output/timetable.js
+++ b/output/timetable.js
@@ -1783,9 +1783,19 @@ $("#rota-table tr td:first-child").each((n, td) => {
 
 function viewWorker(worker) {
     ds = worker.dataset;
+    let exactShiftsText = "(none)";
+    if (ds.exactShifts) {
+        try {
+            let parsed = JSON.parse(ds.exactShifts);
+            if (Object.keys(parsed).length > 0) {
+                exactShiftsText = Object.entries(parsed).map(([s, c]) => `${s}: ${c}`).join(", ");
+            }
+        } catch(e) {}
+    }
     dlg = $(`<div class='dialog' title='${ds.worker}'>
     Site: ${ds.site}</br>
     FTE: ${ds.fte} (${ds.fte_adj})</br>
+    Exact shifts: ${exactShiftsText}</br>
     Start date: ${ds.start_date}</br>
     End date: ${ds.end_date}</br>
     Non working days: ${ds.nwds}</br>
diff --git a/rota_generator/shifts.py b/rota_generator/shifts.py
index d73a771..2a571f2 100644
--- a/rota_generator/shifts.py
+++ b/rota_generator/shifts.py
@@ -5175,6 +5175,10 @@ class RotaBuilder(object):
             l4.extend([worker.fte for worker in self.workers])
             wr.writerow(l4)
 
+            l5 = ["Exact Shifts"]
+            l5.extend([json.dumps(getattr(worker, "exact_shifts", {})) for worker in self.workers])
+            wr.writerow(l5)
+
             for week, day in self.get_week_day_combinations():
                 d = [f"Week {week} Day {day}"]
 
@@ -5504,9 +5508,7 @@ class RotaBuilder(object):
                 # --- Highlight force assigned shifts ---
                 if force_assigned:
                     css_class += " force-assigned"
-                    title = f"{shift_name} ({d}) [FORCE ASSIGNED]"
-                else:
-                    title = f"{shift_name} ({d})"
+                    title = f"{title} [FORCE ASSIGNED]"
 
                 bank_holiday = ""
                 if d in self.bank_holidays:
@@ -5546,8 +5548,9 @@ class RotaBuilder(object):
                     if shift.has_constraint(NightConstraint):
                         css_class = " ".join((css_class, "night-shift"))
 
+                title_escaped = title.replace("'", "&apos;").replace('"', "&quot;")
                 shift_tds.append(
-                    f"<td title='{','.join(shift_names)} ({d})' class='rota-day {css_class}'"
+                    f"<td title='{title_escaped}' class='rota-day {css_class}'"
                     f" data-shift='{','.join(assigned_shift_names)}'"
                     f" data-shift-display='{','.join(shift_names)}'"
                     f" data-available='{available}'"
@@ -5758,6 +5761,7 @@ class RotaBuilder(object):
             data-weekend-sat='{weekend_sat}'
             data-weekend-sun='{weekend_sun}'
             data-previous-shifts='{previous_shifts}'
+            data-exact-shifts='{exact_shifts}'
             data-shift-diff='{shift_diff}'
             data-shift-diff-summed='{shift_diff_summed}'
             >
@@ -5781,6 +5785,7 @@ class RotaBuilder(object):
                 weekend_sun=sun_count,
                 worker_summary_html=worker_summary_html,
                 previous_shifts=json.dumps(prior_map),
+                exact_shifts=json.dumps(getattr(worker, "exact_shifts", {})),
                 pair=worker.pair,
                 shift_balance_extra=json.dumps(worker.shift_balance_extra),
                 shift_diff=json.dumps(shift_diff_dict),
diff --git a/test/test_workers.py b/test/test_workers.py
index 2bb50bd..54f66e2 100644
--- a/test/test_workers.py
+++ b/test/test_workers.py
@@ -1832,4 +1832,40 @@ def test_exact_shifts_exceed_total_warning():
     
     warnings = Rota.get_warnings("Exact shifts exceed total shifts")
     assert len(warnings) > 0
-    assert "total exact shifts (4) exceeds total required shifts" in warnings[0][1]
\ No newline at end of file
+    assert "total exact shifts (4) exceeds total required shifts" in warnings[0][1]
+
+
+def test_html_export_worker_details_and_unavailable_reason():
+    weeks_to_rota = 2
+    start_date = datetime.date(2022, 3, 7)
+
+    Rota = RotaBuilder(
+        start_date,
+        weeks_to_rota=weeks_to_rota,
+    )
+    Rota.add_workers([
+        Worker(
+            name="worker1", 
+            site="group1", 
+            grade=1, 
+            fte=100, 
+            exact_shifts={"a": 1},
+            start_date=datetime.date(2022, 3, 14)
+        ),
+    ])
+    Rota.add_shifts(
+        SingleShift(
+            sites=("group1",),
+            name="a",
+            length=12.5,
+            days=("Mon",),
+            workers_required=1,
+        ),
+    )
+    Rota.build_workers()
+    Rota.build_model()
+    
+    html = Rota.get_worker_timetable_html()
+    
+    assert 'data-exact-shifts=\'{"a": 1}\'' in html
+    assert 'title=\' (2022-03-07) / START DATE: 2022-03-14\'' in html
\ No newline at end of file