diff --git a/gsi/gsi-pubsign-release.sh b/gsi/gsi-pubsign-release.sh
new file mode 100755
index 000000000..8d4874ad6
--- /dev/null
+++ b/gsi/gsi-pubsign-release.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+set -ex
+
+function usage {
+  cat <<EOF
+Usage: $0 src_product target_product src_dir [dist_dir]
+
+Create artifacts for |target_product| from the artifacts of |src_product|.
+
+src_product
+        Product name to copy artifacts from. e.g. aosp_arm64
+
+target_product
+        Product name to copy artifacts to. e.g. aosp_arm64_pubsign
+
+src_dir
+        Directory containing source artifacts.
+
+dist_dir
+        Optional. If given then generate any artifact under dist_dir.
+        Otherwise generate under environment variable DIST_DIR.
+EOF
+}
+
+if [[ $# -lt 3 ]]; then
+  usage
+  exit 1
+fi
+
+SRC_PRODUCT="$1"
+TARGET_PRODUCT="$2"
+SRC_DIR="$3"
+
+if [[ $# -ge 4 ]]; then
+  DIST_DIR="$4"
+fi
+
+readonly SRC_PRODUCT
+readonly TARGET_PRODUCT
+readonly SRC_DIR
+readonly DIST_DIR
+
+if [[ -z "${DIST_DIR}" ]]; then
+  echo >&2 '$DIST_DIR is not specified'
+  exit 1
+fi
+
+# Create output directory if not already present
+mkdir -p "${DIST_DIR}" || true
+
+if [[ ! -d "${DIST_DIR}" ]]; then
+  echo >&2 'Cannot create $DIST_DIR or $DIST_DIR is non-existence'
+  exit 1
+fi
+
+# Show the artifacts to be copied in the log
+echo "Artifacts to copy:"
+find "${SRC_DIR}" || true
+echo
+
+# Don't copy logs/ and files whose name starts with $SRC_PRODUCT
+rsync --verbose --archive --copy-links --exclude='logs' \
+  --exclude='*.zip' "${SRC_DIR}/" "${DIST_DIR}"
+
+# Rename ${SRC_PRODUCT}-xxx.zip to ${TARGET_PRODUCT}-xxx.zip
+ZIP_PATHNAMES="$(find -L "${SRC_DIR}" -type f -name '*.zip')"
+
+echo "ZIP files to be copied and renamed:"
+echo "${ZIP_PATHNAMES}"
+echo
+
+for SRC_PATHNAME in ${ZIP_PATHNAMES} ; do
+  SRC_FILENAME="$(basename ${SRC_PATHNAME})"
+  TARGET_FILENAME="${SRC_FILENAME/${SRC_PRODUCT}/${TARGET_PRODUCT}}"
+  cp --verbose --archive --dereference "${SRC_PATHNAME}" "${DIST_DIR}/${TARGET_FILENAME}"
+done