diff --git a/src/exchangedb/common-0001.sql b/src/exchangedb/common-0001.sql
index 1bf3e6308..a96b91fa1 100644
--- a/src/exchangedb/common-0001.sql
+++ b/src/exchangedb/common-0001.sql
@@ -106,6 +106,10 @@ BEGIN
       ',reserve_pub BYTEA PRIMARY KEY CHECK(LENGTH(reserve_pub)=32)'
       ',current_balance_val INT8 NOT NULL'
       ',current_balance_frac INT4 NOT NULL'
+      ',purses_active INT8 NOT NULL DEFAULT(0)'
+      ',purses_allowed INT8 NOT NULL DEFAULT(0)'
+      ',kyc_required BOOLEAN NOT NULL DEFAULT(FALSE)'
+      ',kyc_passed BOOLEAN NOT NULL DEFAULT(FALSE)'
       ',expiration_date INT8 NOT NULL'
       ',gc_date INT8 NOT NULL'
     ') %s ;'
@@ -2331,7 +2335,7 @@ BEGIN
     DROP CONSTRAINT IF EXISTS wads_in_pkey CASCADE
     ,DROP CONSTRAINT IF EXISTS wads_in_wad_id_origin_exchange_url_key
   ;
-  
+
   ALTER TABLE IF EXISTS wad_in_entries
     DROP CONSTRAINT IF EXISTS wad_in_entries_pkey CASCADE
   ;
diff --git a/src/exchangedb/exchange-0001-part.sql b/src/exchangedb/exchange-0001-part.sql
index b3e62a1e6..0a333880b 100644
--- a/src/exchangedb/exchange-0001-part.sql
+++ b/src/exchangedb/exchange-0001-part.sql
@@ -99,7 +99,15 @@ COMMENT ON TABLE reserves
 COMMENT ON COLUMN reserves.reserve_pub
   IS 'EdDSA public key of the reserve. Knowledge of the private key implies ownership over the balance.';
 COMMENT ON COLUMN reserves.current_balance_val
-  IS 'Current balance remaining with the reserve';
+  IS 'Current balance remaining with the reserve.';
+COMMENT ON COLUMN reserves.purses_active
+  IS 'Number of purses that were created by this reserve that are not expired and not fully paid.';
+COMMENT ON COLUMN reserves.purses_allowed
+  IS 'Number of purses that this reserve is allowed to have active at most.';
+COMMENT ON COLUMN reserves.kyc_required
+  IS 'True if a KYC check must have been passed before withdrawing from this reserve. Set to true once a reserve received a P2P payment.';
+COMMENT ON COLUMN reserves.kyc_passed
+  IS 'True once KYC was passed for this reserve. The KYC details are then available via the wire_targets table under the key of wire_target_h_payto which is to be derived from the reserve_pub and the base URL of this exchange.';
 COMMENT ON COLUMN reserves.expiration_date
   IS 'Used to trigger closing of reserves that have not been drained after some time';
 COMMENT ON COLUMN reserves.gc_date
diff --git a/src/lib/exchange_api_purse_create_with_merge.c b/src/lib/exchange_api_purse_create_with_merge.c
index 61d4e545d..acf60ceee 100644
--- a/src/lib/exchange_api_purse_create_with_merge.c
+++ b/src/lib/exchange_api_purse_create_with_merge.c
@@ -345,7 +345,7 @@ TALER_EXCHANGE_purse_create_with_merge (
     GNUNET_free (pcm);
     return NULL;
   }
-  TALER_wallet_purse_create_sign (purse_expiration,
+  TALER_wallet_purse_create_sign (pcm->purse_expiration,
                                   &pcm->h_contract_terms,
                                   &merge_pub,
                                   min_age,
@@ -359,7 +359,7 @@ TALER_EXCHANGE_purse_create_with_merge (
                                  &merge_sig);
   TALER_wallet_account_merge_sign (merge_timestamp,
                                    &pcm->purse_pub,
-                                   purse_expiration,
+                                   pcm->purse_expiration,
                                    &pcm->h_contract_terms,
                                    &pcm->purse_value_after_fees,
                                    min_age,
@@ -416,7 +416,7 @@ TALER_EXCHANGE_purse_create_with_merge (
     GNUNET_JSON_pack_timestamp ("merge_timestamp",
                                 merge_timestamp),
     GNUNET_JSON_pack_timestamp ("purse_expiration",
-                                purse_expiration));
+                                pcm->purse_expiration));
   GNUNET_assert (NULL != create_with_merge_obj);
   GNUNET_free (econtract);
   eh = TALER_EXCHANGE_curl_easy_get_ (pcm->url);