diff --git a/.github/workflows/postgresql-12-ppg-package.yml b/.github/workflows/postgresql-12-ppg-package.yml
index 8cb642c..eaea69f 100644
--- a/.github/workflows/postgresql-12-ppg-package.yml
+++ b/.github/workflows/postgresql-12-ppg-package.yml
@@ -44,12 +44,19 @@ jobs:
             https://repo.percona.com/apt/percona-release_latest.generic_all.deb
           sudo dpkg -i percona-release_latest.generic_all.deb
 
-      - name: Install Percona Distribution Postgresql 12
+      - name: Install Percona Distribution Postgresql 12 & Extensions
         run: |
           sudo percona-release setup ppg-12
           sudo apt-get update -y
           sudo apt-get install -y percona-postgresql-12 \
-            percona-postgresql-contrib percona-postgresql-server-dev-all
+            percona-postgresql-contrib percona-postgresql-server-dev-all \
+            percona-pgpool2 libpgpool2 percona-postgresql-12-pgaudit \
+            percona-postgresql-12-pgaudit-dbgsym percona-postgresql-12-repack \
+            percona-postgresql-12-repack-dbgsym percona-pgaudit12-set-user \
+            percona-pgaudit12-set-user-dbgsym percona-postgresql-12-postgis-3 \
+            percona-postgresql-12-postgis-3-scripts \
+            percona-postgresql-postgis-scripts percona-postgresql-postgis \
+            percona-postgis
 
       - name: Change src owner to postgres
         run: |
diff --git a/.github/workflows/postgresql-13-ppg-package.yml b/.github/workflows/postgresql-13-ppg-package.yml
index 7a9714a..03d2a9b 100644
--- a/.github/workflows/postgresql-13-ppg-package.yml
+++ b/.github/workflows/postgresql-13-ppg-package.yml
@@ -41,12 +41,19 @@ jobs:
             https://repo.percona.com/apt/percona-release_latest.generic_all.deb
           sudo dpkg -i percona-release_latest.generic_all.deb
 
-      - name: Install Percona Distribution Postgresql 13
+      - name: Install Percona Distribution Postgresql 13 & Extensions
         run: |
           sudo percona-release setup ppg-13
           sudo apt-get update -y
           sudo apt-get install -y percona-postgresql-13 \
-            percona-postgresql-contrib percona-postgresql-server-dev-all
+            percona-postgresql-contrib percona-postgresql-server-dev-all \
+            percona-pgpool2 libpgpool2 percona-postgresql-13-pgaudit \
+            percona-postgresql-13-pgaudit-dbgsym percona-postgresql-13-repack \
+            percona-postgresql-13-repack-dbgsym percona-pgaudit13-set-user \
+            percona-pgaudit13-set-user-dbgsym percona-postgresql-13-postgis-3 \
+            percona-postgresql-13-postgis-3-scripts \
+            percona-postgresql-postgis-scripts percona-postgresql-postgis \
+            percona-postgis
 
       - name: Change src owner to postgres
         run: |
diff --git a/.github/workflows/postgresql-14-ppg-package.yml b/.github/workflows/postgresql-14-ppg-package.yml
index f24fd37..6253bea 100644
--- a/.github/workflows/postgresql-14-ppg-package.yml
+++ b/.github/workflows/postgresql-14-ppg-package.yml
@@ -41,12 +41,19 @@ jobs:
             https://repo.percona.com/apt/percona-release_latest.generic_all.deb
           sudo dpkg -i percona-release_latest.generic_all.deb
 
-      - name: Install Percona Distribution Postgresql 14
+      - name: Install Percona Distribution Postgresql 14 & Extensions
         run: |
           sudo percona-release setup ppg-14
           sudo apt-get update -y
           sudo apt-get install -y percona-postgresql-14 \
-            percona-postgresql-contrib percona-postgresql-server-dev-all
+            percona-postgresql-contrib percona-postgresql-server-dev-all \
+            percona-pgpool2 libpgpool2 percona-postgresql-14-pgaudit \
+            percona-postgresql-14-pgaudit-dbgsym percona-postgresql-14-repack \
+            percona-postgresql-14-repack-dbgsym percona-pgaudit14-set-user \
+            percona-pgaudit14-set-user-dbgsym percona-postgresql-14-postgis-3 \
+            percona-postgresql-14-postgis-3-scripts \
+            percona-postgresql-postgis-scripts percona-postgresql-postgis \
+            percona-postgis
 
       - name: Change src owner to postgres
         run: |
diff --git a/.github/workflows/postgresql-15-ppg-package.yml b/.github/workflows/postgresql-15-ppg-package.yml
index 27c9454..55ae03e 100644
--- a/.github/workflows/postgresql-15-ppg-package.yml
+++ b/.github/workflows/postgresql-15-ppg-package.yml
@@ -41,12 +41,19 @@ jobs:
             https://repo.percona.com/apt/percona-release_latest.generic_all.deb
           sudo dpkg -i percona-release_latest.generic_all.deb
 
-      - name: Install Percona Distribution Postgresql 15
+      - name: Install Percona Distribution Postgresql 15 & Extensions
         run: |
           sudo percona-release setup ppg-15
           sudo apt-get update -y
           sudo apt-get install -y percona-postgresql-15 \
-            percona-postgresql-contrib percona-postgresql-server-dev-all
+            percona-postgresql-contrib percona-postgresql-server-dev-all \
+            percona-pgpool2 libpgpool2 percona-postgresql-15-pgaudit \
+            percona-postgresql-15-pgaudit-dbgsym percona-postgresql-15-repack \
+            percona-postgresql-15-repack-dbgsym percona-pgaudit15-set-user \
+            percona-pgaudit15-set-user-dbgsym percona-postgresql-15-postgis-3 \
+            percona-postgresql-15-postgis-3-scripts \
+            percona-postgresql-postgis-scripts percona-postgresql-postgis \
+            percona-postgis
 
       - name: Change src owner to postgres
         run: |
diff --git a/.github/workflows/postgresql-16-ppg-package.yml b/.github/workflows/postgresql-16-ppg-package.yml
index 707c14e..226fd06 100644
--- a/.github/workflows/postgresql-16-ppg-package.yml
+++ b/.github/workflows/postgresql-16-ppg-package.yml
@@ -41,12 +41,19 @@ jobs:
             https://repo.percona.com/apt/percona-release_latest.generic_all.deb
           sudo dpkg -i percona-release_latest.generic_all.deb
 
-      - name: Install Percona Distribution Postgresql 16
+      - name: Install Percona Distribution Postgresql 16 & Extensions
         run: |
           sudo percona-release setup ppg-16
           sudo apt-get update -y
           sudo apt-get install -y percona-postgresql-16 \
-            percona-postgresql-contrib percona-postgresql-server-dev-all
+            percona-postgresql-contrib percona-postgresql-server-dev-all \
+            percona-pgpool2 libpgpool2 percona-postgresql-16-pgaudit \
+            percona-postgresql-16-pgaudit-dbgsym percona-postgresql-16-repack \
+            percona-postgresql-16-repack-dbgsym percona-pgaudit16-set-user \
+            percona-pgaudit16-set-user-dbgsym percona-postgresql-16-postgis-3 \
+            percona-postgresql-16-postgis-3-scripts \
+            percona-postgresql-postgis-scripts percona-postgresql-postgis \
+            percona-postgis
 
       - name: Change src owner to postgres
         run: |
diff --git a/t/032_multiple_extensions.pl b/t/032_multiple_extensions.pl
new file mode 100644
index 0000000..a6f92d7
--- /dev/null
+++ b/t/032_multiple_extensions.pl
@@ -0,0 +1,113 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use File::Basename;
+use File::Compare;
+use File::Copy;
+use Test::More;
+use lib 't';
+use pgsm;
+
+# Get file name and CREATE out file name and dirs WHERE requried
+PGSM::setup_files_dir(basename($0));
+
+my $PG_VERSION_STRING = `pg_config --version`;
+
+if (index(lc($PG_VERSION_STRING), lc("percona")) == -1)
+{
+    plan skip_all => "pg_stat_monitor test case only for PPG server package install with extensions.";
+}
+
+# CREATE new PostgreSQL node and do initdb
+my $node = PGSM->pgsm_init_pg();
+my $pgdata = $node->data_dir;
+
+# UPDATE postgresql.conf to include/load pg_stat_monitor library
+open my $conf, '>>', "$pgdata/postgresql.conf";
+print $conf "shared_preload_libraries = 'pg_stat_monitor, pgaudit, set_user, pg_repack'\n";
+print $conf "pg_stat_monitor.pgsm_bucket_time = 360000\n";
+print $conf "pg_stat_monitor.pgsm_normalized_query = 'yes'\n";
+close $conf;
+
+# Start server
+my $rt_value = $node->start;
+ok($rt_value == 1, "Start Server");
+
+# Create PGSM extension
+my ($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION pg_stat_monitor;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE PGSM EXTENSION");
+PGSM::append_to_debug_file($stdout);
+
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'SELECT pg_stat_monitor_reset();', extra_params => ['-a', '-Pformat=aligned','-Ptuples_only=off']);
+ok($cmdret == 0, "Reset PGSM EXTENSION");
+PGSM::append_to_debug_file($stdout);
+
+# Create Other extensions
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS pgaudit;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE pgaudit EXTENSION");
+PGSM::append_to_debug_file($stdout);
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS set_user;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE set_user EXTENSION");
+PGSM::append_to_debug_file($stdout);
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS pg_repack;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE pg_repack EXTENSION");
+PGSM::append_to_debug_file($stdout);
+($cmdret, $stdout, $stderr) = $node->psql('postgres', "SET pgaudit.log = 'none'; CREATE EXTENSION IF NOT EXISTS postgis; SET pgaudit.log = 'all';", extra_params => ['-a']);
+ok($cmdret == 0, "CREATE postgis EXTENSION");
+PGSM::append_to_debug_file($stdout);
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS postgis_raster;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE postgis_raster EXTENSION");
+PGSM::append_to_debug_file($stdout);
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS postgis_sfcgal;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE postgis_sfcgal EXTENSION");
+PGSM::append_to_debug_file($stdout);
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS fuzzystrmatch;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE fuzzystrmatch EXTENSION");
+PGSM::append_to_debug_file($stdout);
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS address_standardizer;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE address_standardizer EXTENSION");
+PGSM::append_to_debug_file($stdout);
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS address_standardizer_data_us;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE address_standardizer_data_us EXTENSION");
+PGSM::append_to_debug_file($stdout);
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS postgis_tiger_geocoder;', extra_params => ['-a']);
+ok($cmdret == 0, "CREATE postgis_tiger_geocoder EXTENSION");
+PGSM::append_to_debug_file($stdout);
+
+# Print PGSM settings 
+($cmdret, $stdout, $stderr) = $node->psql('postgres', "SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_query_shared_buffer';", extra_params => ['-a', '-Pformat=aligned','-Ptuples_only=off']);
+ok($cmdret == 0, "Print PGSM EXTENSION Settings");
+PGSM::append_to_debug_file($stdout);
+
+# Create example database and run pgbench init
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE database example;', extra_params => ['-a']);
+print "cmdret $cmdret\n";
+ok($cmdret == 0, "CREATE Database example");
+PGSM::append_to_debug_file($stdout);
+
+my $port = $node->port;
+print "port $port \n";
+
+my $out = system ("pgbench -i -s 20 -p $port example");
+print " out: $out \n";
+ok($cmdret == 0, "Perform pgbench init");
+
+$out = system ("pgbench -c 10 -j 2 -t 5000 -p $port example");
+print " out: $out \n";
+ok($cmdret == 0, "Run pgbench");
+
+($cmdret, $stdout, $stderr) = $node->psql('postgres', 'SELECT datname, substr(query,0,150) AS query, SUM(calls) AS calls FROM pg_stat_monitor GROUP BY datname, query ORDER BY datname, query, calls;', extra_params => ['-a', '-Pformat=aligned','-Ptuples_only=off']);
+ok($cmdret == 0, "SELECT XXX FROM pg_stat_monitor");
+PGSM::append_to_debug_file($stdout);
+
+# DROP EXTENSION
+$stdout = $node->safe_psql('postgres', 'DROP EXTENSION pg_stat_monitor;', extra_params => ['-a']);
+ok($cmdret == 0, "DROP PGSM EXTENSION");
+PGSM::append_to_debug_file($stdout);
+
+# Stop the server
+$node->stop;
+
+# Done testing for this testcase file.
+done_testing();
diff --git a/t/expected/007_settings_pgsm_query_shared_buffer.out.15 b/t/expected/007_settings_pgsm_query_shared_buffer.out.15
old mode 100755
new mode 100644