diff --git a/contrib/try_convert/data/tt_uuid.data b/contrib/try_convert/data/tt_uuid.data
new file mode 100644
index 0000000000..6680d6384b
--- /dev/null
+++ b/contrib/try_convert/data/tt_uuid.data
@@ -0,0 +1,6 @@
+a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11
+A0EEBC99-9C0B-4EF8-BB6D-6BB9BD380A11
+{a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11}
+a0eebc999c0b4ef8bb6d6bb9bd380a11
+a0ee-bc99-9c0b-4ef8-bb6d-6bb9-bd38-0a11
+{a0eebc99-9c0b4ef8-bb6d6bb9-bd380a11}
\ No newline at end of file
diff --git a/contrib/try_convert/generate_test.py b/contrib/try_convert/generate_test.py
index da271b9395..b8cceb1336 100644
--- a/contrib/try_convert/generate_test.py
+++ b/contrib/try_convert/generate_test.py
@@ -38,7 +38,7 @@
     # # 'tsquery',
     # # 'tsvector',
     # # 'txid_snapshot',
-    # 'uuid',
+    'uuid',
 
     'citext',
 ]
@@ -103,10 +103,11 @@ def remove_empty_lines(t):
 
 supported_extension_types_count = 0
 for name in extension_types:
-    if name in extension_types:
+    if name in supported_types:
         supported_extension_types_count += 1
 
-print(f'Types found: {len(type_id_name)}, supported: {supported_types_count}, from ext: {len(extension_types)}, from ext sup {supported_extension_types_count}')
+print(f'Types found: {len(type_id_name)}, supported: {supported_types_count}')
+print(f'Extensions types found: {len(extension_types)}, supported: {supported_extension_types_count}')
 
 
 ### GET CONVERTS
@@ -124,7 +125,13 @@ def remove_empty_lines(t):
     if type_id_name[int(source)] in supported_types and type_id_name[int(target)] in supported_types:
             supported_cast_count += 1
 
+supported_extension_casts_count = 0
+for s, t in extension_casts:
+     if s in supported_types and t in supported_types:
+        supported_extension_casts_count += 1
+
 print(f'Casts found: {len(casts)}, supported: {supported_cast_count}')
+print(f'Extensions casts found: {len(extension_casts)}, supported: {supported_extension_casts_count}')
 
 
 ### HEADER & FOOTER
@@ -133,6 +140,8 @@ def remove_empty_lines(t):
     f'-- SCRIPT-GENERATED TEST for TRY_CONVERT\n' \
     f'-- Tests {supported_types_count} types of {len(type_id_name)} from pg_types.h\n' \
     f'-- Tests {supported_cast_count} cast of {len(casts)} from pg_cast.h\n' \
+    f'-- Tests {supported_extension_types_count} types of {len(extension_types)} from extensions\n' \
+        f'-- Tests {supported_extension_casts_count} casts of {len(extension_casts)} from extensions\n' \
     f'\n' \
     f'create schema tryconvert;\n' \
     f'set search_path = tryconvert;\n' \
diff --git a/contrib/try_convert/input/try_convert.source b/contrib/try_convert/input/try_convert.source
index b29e8671b1..aab8a1e720 100644
--- a/contrib/try_convert/input/try_convert.source
+++ b/contrib/try_convert/input/try_convert.source
@@ -1,6 +1,8 @@
 -- SCRIPT-GENERATED TEST for TRY_CONVERT
--- Tests 21 types of 91 from pg_types.h
+-- Tests 22 types of 91 from pg_types.h
 -- Tests 64 cast of 206 from pg_cast.h
+-- Tests 1 types of 1 from extensions
+-- Tests 3 casts of 8 from extensions
 
 create schema tryconvert;
 set search_path = tryconvert;
@@ -223,6 +225,16 @@ $func$
         -- do nothing: _out already carries default
     END
 $func$;
+CREATE OR REPLACE FUNCTION try_convert_by_sql(_in uuid, INOUT _out ANYELEMENT)
+  LANGUAGE plpgsql AS
+$func$
+    BEGIN
+        EXECUTE format('SELECT %L::%s', $1, source_type)
+        INTO  _out;
+        EXCEPTION WHEN others THEN
+        -- do nothing: _out already carries default
+    END
+$func$;
 CREATE OR REPLACE FUNCTION try_convert_by_sql(_in citext, INOUT _out ANYELEMENT)
   LANGUAGE plpgsql AS
 $func$
@@ -300,6 +312,9 @@ INSERT INTO tt_text(id, v) SELECT row_number() OVER(), v::text from tt_temp;
 CREATE TABLE tt_money (id serial, v money) DISTRIBUTED BY (id);
 DELETE FROM tt_temp;COPY tt_temp from '@abs_srcdir@/data/tt_money.data';
 INSERT INTO tt_money(id, v) SELECT row_number() OVER(), v::money from tt_temp;
+CREATE TABLE tt_uuid (id serial, v uuid) DISTRIBUTED BY (id);
+DELETE FROM tt_temp;COPY tt_temp from '@abs_srcdir@/data/tt_uuid.data';
+INSERT INTO tt_uuid(id, v) SELECT row_number() OVER(), v::uuid from tt_temp;
 CREATE TABLE tt_citext (id serial, v citext) DISTRIBUTED BY (id);
 DELETE FROM tt_temp;COPY tt_temp from '@abs_srcdir@/data/tt_citext.data';
 INSERT INTO tt_citext(id, v) SELECT row_number() OVER(), v::citext from tt_temp;
@@ -389,6 +404,10 @@ select * from (select try_convert(v, NULL::text) as v1, try_convert_by_sql(v, NU
 DELETE FROM tt_temp; COPY tt_temp from '@abs_srcdir@/data/tt_money.data';
 select * from (select try_convert(v, NULL::money) as v1, try_convert_by_sql(v, NULL::money) as v2 from tt_temp) as t(v1, v2) where not (v1 = v2);
 select * from (select try_convert(v, NULL::money) as v1, try_convert_by_sql(v, NULL::money) as v2 from (select ('!@#%^&*' || v || '!@#%^&*') from tt_temp) as t(v)) as t(v1, v2) where not (v1 = v2);
+select * from (select try_convert(v, NULL::text) as v1, try_convert_by_sql(v, NULL::text) as v2 from tt_uuid) as t(v1, v2) where not (v1 = v2);
+DELETE FROM tt_temp; COPY tt_temp from '@abs_srcdir@/data/tt_uuid.data';
+select * from (select try_convert(v, NULL::uuid) as v1, try_convert_by_sql(v, NULL::uuid) as v2 from tt_temp) as t(v1, v2) where not (v1 = v2);
+select * from (select try_convert(v, NULL::uuid) as v1, try_convert_by_sql(v, NULL::uuid) as v2 from (select ('!@#%^&*' || v || '!@#%^&*') from tt_temp) as t(v)) as t(v1, v2) where not (v1 = v2);
 select * from (select try_convert(v, NULL::text) as v1, try_convert_by_sql(v, NULL::text) as v2 from tt_citext) as t(v1, v2) where not (v1 = v2);
 DELETE FROM tt_temp; COPY tt_temp from '@abs_srcdir@/data/tt_citext.data';
 select * from (select try_convert(v, NULL::citext) as v1, try_convert_by_sql(v, NULL::citext) as v2 from tt_temp) as t(v1, v2) where not (v1 = v2);
@@ -477,6 +496,10 @@ select * from (select try_convert(v, NULL::citext) as v1, try_convert_by_sql(v,
 DELETE FROM tt_temp_citext; COPY tt_temp_citext from '@abs_srcdir@/data/tt_money.data';
 select * from (select try_convert(v, NULL::money) as v1, try_convert_by_sql(v, NULL::money) as v2 from tt_temp_citext) as t(v1, v2) where not (v1 = v2);
 select * from (select try_convert(v, NULL::money) as v1, try_convert_by_sql(v, NULL::money) as v2 from (select ('!@#%^&*' || v || '!@#%^&*') from tt_temp_citext) as t(v)) as t(v1, v2) where not (v1 = v2);
+select * from (select try_convert(v, NULL::citext) as v1, try_convert_by_sql(v, NULL::citext) as v2 from tt_uuid) as t(v1, v2) where not (v1 = v2);
+DELETE FROM tt_temp_citext; COPY tt_temp_citext from '@abs_srcdir@/data/tt_uuid.data';
+select * from (select try_convert(v, NULL::uuid) as v1, try_convert_by_sql(v, NULL::uuid) as v2 from tt_temp_citext) as t(v1, v2) where not (v1 = v2);
+select * from (select try_convert(v, NULL::uuid) as v1, try_convert_by_sql(v, NULL::uuid) as v2 from (select ('!@#%^&*' || v || '!@#%^&*') from tt_temp_citext) as t(v)) as t(v1, v2) where not (v1 = v2);
 select * from (select try_convert(v, NULL::citext) as v1, try_convert_by_sql(v, NULL::citext) as v2 from tt_citext) as t(v1, v2) where not (v1 = v2);
 DELETE FROM tt_temp_citext; COPY tt_temp_citext from '@abs_srcdir@/data/tt_citext.data';
 select * from (select try_convert(v, NULL::citext) as v1, try_convert_by_sql(v, NULL::citext) as v2 from tt_temp_citext) as t(v1, v2) where not (v1 = v2);
diff --git a/contrib/try_convert/output/try_convert.source b/contrib/try_convert/output/try_convert.source
index 4b7526e786..b0ebd9e2ac 100644
--- a/contrib/try_convert/output/try_convert.source
+++ b/contrib/try_convert/output/try_convert.source
@@ -1,6 +1,8 @@
 -- SCRIPT-GENERATED TEST for TRY_CONVERT
--- Tests 21 types of 91 from pg_types.h
+-- Tests 22 types of 91 from pg_types.h
 -- Tests 64 cast of 206 from pg_cast.h
+-- Tests 1 types of 1 from extensions
+-- Tests 3 casts of 8 from extensions
 create schema tryconvert;
 set search_path = tryconvert;
 -- start_ignore
@@ -219,6 +221,16 @@ $func$
         -- do nothing: _out already carries default
     END
 $func$;
+CREATE OR REPLACE FUNCTION try_convert_by_sql(_in uuid, INOUT _out ANYELEMENT)
+  LANGUAGE plpgsql AS
+$func$
+    BEGIN
+        EXECUTE format('SELECT %L::%s', $1, source_type)
+        INTO  _out;
+        EXCEPTION WHEN others THEN
+        -- do nothing: _out already carries default
+    END
+$func$;
 CREATE OR REPLACE FUNCTION try_convert_by_sql(_in citext, INOUT _out ANYELEMENT)
   LANGUAGE plpgsql AS
 $func$
@@ -295,6 +307,9 @@ INSERT INTO tt_text(id, v) SELECT row_number() OVER(), v::text from tt_temp;
 CREATE TABLE tt_money (id serial, v money) DISTRIBUTED BY (id);
 DELETE FROM tt_temp;COPY tt_temp from '@abs_srcdir@/data/tt_money.data';
 INSERT INTO tt_money(id, v) SELECT row_number() OVER(), v::money from tt_temp;
+CREATE TABLE tt_uuid (id serial, v uuid) DISTRIBUTED BY (id);
+DELETE FROM tt_temp;COPY tt_temp from '@abs_srcdir@/data/tt_uuid.data';
+INSERT INTO tt_uuid(id, v) SELECT row_number() OVER(), v::uuid from tt_temp;
 CREATE TABLE tt_citext (id serial, v citext) DISTRIBUTED BY (id);
 DELETE FROM tt_temp;COPY tt_temp from '@abs_srcdir@/data/tt_citext.data';
 INSERT INTO tt_citext(id, v) SELECT row_number() OVER(), v::citext from tt_temp;
@@ -635,6 +650,22 @@ select * from (select try_convert(v, NULL::money) as v1, try_convert_by_sql(v, N
 ----+----
 (0 rows)
 
+select * from (select try_convert(v, NULL::text) as v1, try_convert_by_sql(v, NULL::text) as v2 from tt_uuid) as t(v1, v2) where not (v1 = v2);
+ v1 | v2 
+----+----
+(0 rows)
+
+DELETE FROM tt_temp; COPY tt_temp from '@abs_srcdir@/data/tt_uuid.data';
+select * from (select try_convert(v, NULL::uuid) as v1, try_convert_by_sql(v, NULL::uuid) as v2 from tt_temp) as t(v1, v2) where not (v1 = v2);
+ v1 | v2 
+----+----
+(0 rows)
+
+select * from (select try_convert(v, NULL::uuid) as v1, try_convert_by_sql(v, NULL::uuid) as v2 from (select ('!@#%^&*' || v || '!@#%^&*') from tt_temp) as t(v)) as t(v1, v2) where not (v1 = v2);
+ v1 | v2 
+----+----
+(0 rows)
+
 select * from (select try_convert(v, NULL::text) as v1, try_convert_by_sql(v, NULL::text) as v2 from tt_citext) as t(v1, v2) where not (v1 = v2);
  v1 | v2 
 ----+----
@@ -987,6 +1018,22 @@ select * from (select try_convert(v, NULL::money) as v1, try_convert_by_sql(v, N
 ----+----
 (0 rows)
 
+select * from (select try_convert(v, NULL::citext) as v1, try_convert_by_sql(v, NULL::citext) as v2 from tt_uuid) as t(v1, v2) where not (v1 = v2);
+ v1 | v2 
+----+----
+(0 rows)
+
+DELETE FROM tt_temp_citext; COPY tt_temp_citext from '@abs_srcdir@/data/tt_uuid.data';
+select * from (select try_convert(v, NULL::uuid) as v1, try_convert_by_sql(v, NULL::uuid) as v2 from tt_temp_citext) as t(v1, v2) where not (v1 = v2);
+ v1 | v2 
+----+----
+(0 rows)
+
+select * from (select try_convert(v, NULL::uuid) as v1, try_convert_by_sql(v, NULL::uuid) as v2 from (select ('!@#%^&*' || v || '!@#%^&*') from tt_temp_citext) as t(v)) as t(v1, v2) where not (v1 = v2);
+ v1 | v2 
+----+----
+(0 rows)
+
 select * from (select try_convert(v, NULL::citext) as v1, try_convert_by_sql(v, NULL::citext) as v2 from tt_citext) as t(v1, v2) where not (v1 = v2);
  v1 | v2 
 ----+----
diff --git a/contrib/try_convert/try_convert--1.0.sql b/contrib/try_convert/try_convert--1.0.sql
index 8511fa2e56..e7b6195fcd 100644
--- a/contrib/try_convert/try_convert--1.0.sql
+++ b/contrib/try_convert/try_convert--1.0.sql
@@ -48,6 +48,8 @@ select add_type_for_try_convert('bool'::regtype);
 
 select add_type_for_try_convert('money'::regtype);
 
+select add_type_for_try_convert('uuid'::regtype);
+
 -- IP/MAC
 select add_type_for_try_convert('cidr'::regtype);
 select add_type_for_try_convert('inet'::regtype);