diff --git a/CHANGELOG b/CHANGELOG
index dd9b13ceac2..72ca2b529d5 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,7 +3,7 @@ Note: The upcoming release contains empty lines to reduce the number of merge co
 v 7.8.0
   - Replace highlight.js with rouge-fork rugments (Stefan Tatschner)
   - Make project search case insensitive (Hannes Rosenögger)
-  - 
+  - Include issue/mr participants in list of recipients for reassign/close/reopen emails
   - Expose description in groups API
   - 
   - 
diff --git a/app/services/issues/close_service.rb b/app/services/issues/close_service.rb
index ffed13a12e1..f670019cc63 100644
--- a/app/services/issues/close_service.rb
+++ b/app/services/issues/close_service.rb
@@ -2,9 +2,9 @@ module Issues
   class CloseService < Issues::BaseService
     def execute(issue, commit = nil)
       if issue.close
-        notification_service.close_issue(issue, current_user)
         event_service.close_issue(issue, current_user)
         create_note(issue, commit)
+        notification_service.close_issue(issue, current_user)
         execute_hooks(issue, 'close')
       end
 
diff --git a/app/services/issues/update_service.rb b/app/services/issues/update_service.rb
index 0ee9635ed99..83e413d7248 100644
--- a/app/services/issues/update_service.rb
+++ b/app/services/issues/update_service.rb
@@ -23,8 +23,8 @@ module Issues
         end
 
         if issue.previous_changes.include?('assignee_id')
-          notification_service.reassigned_issue(issue, current_user)
           create_assignee_note(issue)
+          notification_service.reassigned_issue(issue, current_user)
         end
 
         issue.notice_added_references(issue.project, current_user)
diff --git a/app/services/merge_requests/auto_merge_service.rb b/app/services/merge_requests/auto_merge_service.rb
index b5d90a74e15..378b39bb9d6 100644
--- a/app/services/merge_requests/auto_merge_service.rb
+++ b/app/services/merge_requests/auto_merge_service.rb
@@ -11,9 +11,9 @@ module MergeRequests
       if Gitlab::Satellite::MergeAction.new(current_user, merge_request).merge!(commit_message)
         merge_request.merge
 
-        notification_service.merge_mr(merge_request, current_user)
         create_merge_event(merge_request, current_user)
         create_note(merge_request)
+        notification_service.merge_mr(merge_request, current_user)
         execute_hooks(merge_request)
 
         true
diff --git a/app/services/merge_requests/close_service.rb b/app/services/merge_requests/close_service.rb
index 4249a84f382..47454f9f0c2 100644
--- a/app/services/merge_requests/close_service.rb
+++ b/app/services/merge_requests/close_service.rb
@@ -7,8 +7,8 @@ module MergeRequests
 
       if merge_request.close
         event_service.close_mr(merge_request, current_user)
-        notification_service.close_mr(merge_request, current_user)
         create_note(merge_request)
+        notification_service.close_mr(merge_request, current_user)
         execute_hooks(merge_request, 'close')
       end
 
diff --git a/app/services/merge_requests/merge_service.rb b/app/services/merge_requests/merge_service.rb
index 1e1614028f7..327ead4ff3f 100644
--- a/app/services/merge_requests/merge_service.rb
+++ b/app/services/merge_requests/merge_service.rb
@@ -9,9 +9,9 @@ module MergeRequests
     def execute(merge_request, commit_message)
       merge_request.merge
 
-      notification_service.merge_mr(merge_request, current_user)
       create_merge_event(merge_request, current_user)
       create_note(merge_request)
+      notification_service.merge_mr(merge_request, current_user)
       execute_hooks(merge_request, 'merge')
 
       true
diff --git a/app/services/merge_requests/reopen_service.rb b/app/services/merge_requests/reopen_service.rb
index a2a9c933f63..8279ad2001b 100644
--- a/app/services/merge_requests/reopen_service.rb
+++ b/app/services/merge_requests/reopen_service.rb
@@ -3,8 +3,8 @@ module MergeRequests
     def execute(merge_request)
       if merge_request.reopen
         event_service.reopen_mr(merge_request, current_user)
-        notification_service.reopen_mr(merge_request, current_user)
         create_note(merge_request)
+        notification_service.reopen_mr(merge_request, current_user)
         execute_hooks(merge_request, 'reopen')
         merge_request.reload_code
         merge_request.mark_as_unchecked
diff --git a/app/services/merge_requests/update_service.rb b/app/services/merge_requests/update_service.rb
index 56c8510e0ae..10c401756eb 100644
--- a/app/services/merge_requests/update_service.rb
+++ b/app/services/merge_requests/update_service.rb
@@ -33,8 +33,8 @@ module MergeRequests
         end
 
         if merge_request.previous_changes.include?('assignee_id')
-          notification_service.reassigned_merge_request(merge_request, current_user)
           create_assignee_note(merge_request)
+          notification_service.reassigned_merge_request(merge_request, current_user)
         end
 
         merge_request.notice_added_references(merge_request.project, current_user)
diff --git a/app/services/notification_service.rb b/app/services/notification_service.rb
index 72c9149378e..2fc63b9f4b7 100644
--- a/app/services/notification_service.rb
+++ b/app/services/notification_service.rb
@@ -314,15 +314,7 @@ class NotificationService
   end
 
   def new_resource_email(target, project, method)
-    if target.respond_to?(:participants)
-      recipients = target.participants
-    else
-      recipients = []
-    end
-
-    recipients = reject_muted_users(recipients, project)
-    recipients = reject_mention_users(recipients, project)
-    recipients = recipients.concat(project_watchers(project)).uniq
+    recipients = build_recipients(target, project)
     recipients.delete(target.author)
 
     recipients.each do |recipient|
@@ -331,9 +323,7 @@ class NotificationService
   end
 
   def close_resource_email(target, project, current_user, method)
-    recipients = reject_muted_users([target.author, target.assignee], project)
-    recipients = reject_mention_users(recipients, project)
-    recipients = recipients.concat(project_watchers(project)).uniq
+    recipients = build_recipients(target, project)
     recipients.delete(current_user)
 
     recipients.each do |recipient|
@@ -343,17 +333,7 @@ class NotificationService
 
   def reassign_resource_email(target, project, current_user, method)
     assignee_id_was = previous_record(target, "assignee_id")
-
-    recipients = User.where(id: [target.assignee_id, assignee_id_was])
-
-    # Add watchers to email list
-    recipients = recipients.concat(project_watchers(project))
-
-    # reject users with disabled notifications
-    recipients = reject_muted_users(recipients, project)
-    recipients = reject_mention_users(recipients, project)
-
-    # Reject me from recipients if I reassign an item
+    recipients = build_recipients(target, project)
     recipients.delete(current_user)
 
     recipients.each do |recipient|
@@ -362,9 +342,7 @@ class NotificationService
   end
 
   def reopen_resource_email(target, project, current_user, method, status)
-    recipients = reject_muted_users([target.author, target.assignee], project)
-    recipients = reject_mention_users(recipients, project)
-    recipients = recipients.concat(project_watchers(project)).uniq
+    recipients = build_recipients(target, project)
     recipients.delete(current_user)
 
     recipients.each do |recipient|
@@ -372,6 +350,20 @@ class NotificationService
     end
   end
 
+  def build_recipients(target, project)
+    recipients =
+      if target.respond_to?(:participants)
+        target.participants
+      else
+        [target.author, target.assignee]
+      end
+
+    recipients = reject_muted_users(recipients, project)
+    recipients = reject_mention_users(recipients, project)
+    recipients = recipients.concat(project_watchers(project)).uniq
+    recipients
+  end
+
   def mailer
     Notify.delay
   end
diff --git a/spec/services/issues/update_service_spec.rb b/spec/services/issues/update_service_spec.rb
index 347560414e7..36030577835 100644
--- a/spec/services/issues/update_service_spec.rb
+++ b/spec/services/issues/update_service_spec.rb
@@ -22,6 +22,7 @@ describe Issues::UpdateService do
         }
 
         @issue = Issues::UpdateService.new(project, user, opts).execute(issue)
+        @issue.reload
       end
 
       it { @issue.should be_valid }
diff --git a/spec/services/merge_requests/update_service_spec.rb b/spec/services/merge_requests/update_service_spec.rb
index c8f40f48bab..0cd822bcdae 100644
--- a/spec/services/merge_requests/update_service_spec.rb
+++ b/spec/services/merge_requests/update_service_spec.rb
@@ -21,12 +21,14 @@ describe MergeRequests::UpdateService do
           state_event: 'close'
         }
       end
+
       let(:service) { MergeRequests::UpdateService.new(project, user, opts) }
 
       before do
         service.stub(:execute_hooks)
 
         @merge_request = service.execute(merge_request)
+        @merge_request.reload
       end
 
       it { @merge_request.should be_valid }
@@ -46,7 +48,7 @@ describe MergeRequests::UpdateService do
       end
 
       it 'should create system note about merge_request reassign' do
-        note = @merge_request.notes.last
+        note = @merge_request.notes.reload.last
         note.note.should include "Reassigned to \@#{user2.username}"
       end
     end
diff --git a/spec/services/notification_service_spec.rb b/spec/services/notification_service_spec.rb
index e305536f7ee..2ba1e3372b9 100644
--- a/spec/services/notification_service_spec.rb
+++ b/spec/services/notification_service_spec.rb
@@ -187,7 +187,7 @@ describe NotificationService do
   end
 
   describe 'Issues' do
-    let(:issue) { create :issue, assignee: create(:user) }
+    let(:issue) { create :issue, assignee: create(:user), description: 'cc @participant' }
 
     before do
       build_team(issue.project)
@@ -197,6 +197,7 @@ describe NotificationService do
       it do
         should_email(issue.assignee_id)
         should_email(@u_watcher.id)
+        should_email(@u_participant_mentioned.id)
         should_not_email(@u_mentioned.id)
         should_not_email(@u_participating.id)
         should_not_email(@u_disabled.id)
@@ -222,6 +223,7 @@ describe NotificationService do
       it 'should email new assignee' do
         should_email(issue.assignee_id)
         should_email(@u_watcher.id)
+        should_email(@u_participant_mentioned.id)
         should_not_email(@u_participating.id)
         should_not_email(@u_disabled.id)
 
@@ -242,6 +244,7 @@ describe NotificationService do
         should_email(issue.assignee_id)
         should_email(issue.author_id)
         should_email(@u_watcher.id)
+        should_email(@u_participant_mentioned.id)
         should_not_email(@u_participating.id)
         should_not_email(@u_disabled.id)
 
@@ -262,6 +265,7 @@ describe NotificationService do
         should_email(issue.assignee_id)
         should_email(issue.author_id)
         should_email(@u_watcher.id)
+        should_email(@u_participant_mentioned.id)
         should_not_email(@u_participating.id)
         should_not_email(@u_disabled.id)
 
@@ -404,6 +408,7 @@ describe NotificationService do
   def build_team(project)
     @u_watcher = create(:user, notification_level: Notification::N_WATCH)
     @u_participating = create(:user, notification_level: Notification::N_PARTICIPATING)
+    @u_participant_mentioned = create(:user, username: 'participant', notification_level: Notification::N_PARTICIPATING)
     @u_disabled = create(:user, notification_level: Notification::N_DISABLED)
     @u_mentioned = create(:user, username: 'mention', notification_level: Notification::N_MENTION)
     @u_committer = create(:user, username: 'committer')