diff --git a/Configuration/Applications/python/ConfigBuilder.py b/Configuration/Applications/python/ConfigBuilder.py
index ee88eae5b9749..f49b314c86f1f 100644
--- a/Configuration/Applications/python/ConfigBuilder.py
+++ b/Configuration/Applications/python/ConfigBuilder.py
@@ -1808,10 +1808,16 @@ def prepare_SKIM(self, stepSpec = "all"):
             print("replacing %s process name - step SKIM:%s will use '%s'" % (stdHLTProcName, sequence, newHLTProcName))
 
         ## support @Mu+DiJet+@Electron configuration via autoSkim.py
-        from Configuration.Skimming.autoSkim import autoSkim
+        from Configuration.Skimming.autoSkim import autoSkim, autoSkimRunI
         skimlist = sequence.split('+')
         self.expandMapping(skimlist,autoSkim)
 
+        autoSkimRunIList = list(set(
+            item
+            for v in autoSkimRunI.values()
+            for item in v.split('+')
+        ))
+
         #print("dictionary for skims:", skimConfig.__dict__)
         for skim in skimConfig.__dict__:
             skimstream = getattr(skimConfig, skim)
@@ -1830,6 +1836,10 @@ def prepare_SKIM(self, stepSpec = "all"):
             shortname = skim.replace('SKIMStream','')
             if (sequence=="all"):
                 self.addExtraStream(skim,skimstream)
+            elif (sequence=="allRun1"):
+                if not shortname in autoSkimRunIList:
+                    continue
+                self.addExtraStream(skim,skimstream)
             elif (shortname in skimlist):
                 self.addExtraStream(skim,skimstream)
                 #add a DQM eventcontent for this guy
@@ -1847,7 +1857,7 @@ def prepare_SKIM(self, stepSpec = "all"):
                 for i in range(skimlist.count(shortname)):
                     skimlist.remove(shortname)
 
-        if (skimlist.__len__()!=0 and sequence!="all"):
+        if (skimlist.__len__()!=0 and sequence!="all" and sequence!="allRun1"):
             print('WARNING, possible typo with SKIM:'+'+'.join(skimlist))
             raise Exception('WARNING, possible typo with SKIM:'+'+'.join(skimlist))
 
diff --git a/Configuration/PyReleaseValidation/python/relval_production.py b/Configuration/PyReleaseValidation/python/relval_production.py
index 6b97967eea083..38e8b02f4cada 100644
--- a/Configuration/PyReleaseValidation/python/relval_production.py
+++ b/Configuration/PyReleaseValidation/python/relval_production.py
@@ -9,7 +9,7 @@
 # the name of step1 will be used
 
 ## data production test
-workflows[1000] = [ '',['RunMinBias2011A','TIER0','SKIMD','HARVESTDfst2','ALCASPLIT']]
+workflows[1000] = [ '',['RunMinBias2011A','TIER0','SKIMDRun1','HARVESTDfst2','ALCASPLIT']]
 workflows[1001] = [ '',['RunMinBias2011A','TIER0EXP','ALCAEXP','ALCAHARVDSIPIXELCALRUN1','ALCAHARVD1','ALCAHARVD2','ALCAHARVD3','ALCAHARVD4','ALCAHARVD5','ALCAHARVD7','ALCAHARVD8']]
 workflows[1001.2] = [ '',['RunZeroBias2017F','TIER0EXPRUN2','ALCAEXPRUN2','ALCAHARVDSIPIXELCAL','ALCAHARVDSIPIXELCALLA','ALCAHARVD4','ALCAHARVDSIPIXELALIHG']]
 workflows[1001.3] = [ '',['RunSingleMuon2022B','TIER0EXPRUN3','ALCAEXPRUN3','ALCAHARVDEXPRUN3']]
diff --git a/Configuration/PyReleaseValidation/python/relval_steps.py b/Configuration/PyReleaseValidation/python/relval_steps.py
index 0e6aae5c3654d..94ad758b249be 100644
--- a/Configuration/PyReleaseValidation/python/relval_steps.py
+++ b/Configuration/PyReleaseValidation/python/relval_steps.py
@@ -3878,6 +3878,13 @@ def gen2023HiMix(fragment,howMuch):
 
 steps['SKIMDreHLT'] = merge([ {'--conditions':'auto:run1_data_%s'%menu, '--hltProcess':'reHLT', '--filein':'file:step3.root'}, steps['SKIMD'] ])
 
+steps['SKIMDRun1']={'-s':'SKIM:allRun1',
+                '--conditions':'auto:run1_data',
+                '--data':'',
+                '--scenario':'pp',
+                '--filein':'file:step2.root',
+                '--secondfilein':'filelist:step1_dasquery.log'}
+
 steps['SKIMCOSD']={'-s':'SKIM:all',
                    '--conditions':'auto:run1_data',
                    '--data':'',
diff --git a/Configuration/Skimming/python/PbPb_EWSkim_cff.py b/Configuration/Skimming/python/PbPb_EWSkim_cff.py
new file mode 100644
index 0000000000000..4caa5a817c5e2
--- /dev/null
+++ b/Configuration/Skimming/python/PbPb_EWSkim_cff.py
@@ -0,0 +1,41 @@
+import FWCore.ParameterSet.Config as cms
+
+# primary vertex filter
+primaryVertexFilterForPbPbEWSkim = cms.EDFilter("VertexSelector",
+    src = cms.InputTag("offlinePrimaryVertices"),
+    cut = cms.string("!isFake && abs(z) <= 25 && position.Rho <= 2"), 
+    filter = cms.bool(True),
+)
+
+# lepton filter
+goodMuonsForPbPbEWSkim = cms.EDFilter("PATMuonSelector",
+    src = cms.InputTag("slimmedMuons"),
+    cut = cms.string("pt >= 15.0 && passed('CutBasedIdLoose')")
+)
+goodElectronsForPbPbEWSkim = cms.EDFilter("PATElectronSelector",
+    src = cms.InputTag("slimmedElectrons"),
+    cut = cms.string("pt >= 15.0")
+)
+oneLeptonForPbPbEWSkim = cms.EDFilter("PATLeptonCountFilter",
+    electronSource = cms.InputTag("goodElectronsForPbPbEWSkim"),
+    muonSource     = cms.InputTag("goodMuonsForPbPbEWSkim"),
+    tauSource      = cms.InputTag(""),
+    countElectrons = cms.bool(True),
+    countMuons     = cms.bool(True),
+    countTaus      = cms.bool(False),
+    minNumber = cms.uint32(1),
+    maxNumber = cms.uint32(1000000),
+)
+
+# skim sequence
+EWSkimSequence = cms.Sequence(
+    primaryVertexFilterForPbPbEWSkim *
+    goodMuonsForPbPbEWSkim *
+    goodElectronsForPbPbEWSkim *
+    oneLeptonForPbPbEWSkim
+)
+
+# skim content
+from Configuration.EventContent.EventContent_cff import MINIAODEventContent
+EWSkimContent = MINIAODEventContent.clone()
+EWSkimContent.outputCommands.append("drop *_*_*_SKIM")
diff --git a/Configuration/Skimming/python/Skims_PbPb_cff.py b/Configuration/Skimming/python/Skims_PbPb_cff.py
index d873b2ce0fdc5..ee8b4b6946d41 100644
--- a/Configuration/Skimming/python/Skims_PbPb_cff.py
+++ b/Configuration/Skimming/python/Skims_PbPb_cff.py
@@ -63,3 +63,16 @@
     )
 
 #####################      
+
+from Configuration.Skimming.PbPb_EWSkim_cff import *
+EWSkimPathPbPb = cms.Path( EWSkimSequence )
+SKIMStreamPbPbEW = cms.FilteredStream(
+    responsible = 'HI PAG',
+    name = 'PbPbEW',
+    paths = (EWSkimPathPbPb),
+    content = EWSkimContent.outputCommands,
+    selectEvents = cms.untracked.PSet(),
+    dataTier = cms.untracked.string('MINIAOD')
+    )
+
+#####################
diff --git a/Configuration/Skimming/python/autoSkim.py b/Configuration/Skimming/python/autoSkim.py
index 06aa87197e2f8..e9b5528f17922 100644
--- a/Configuration/Skimming/python/autoSkim.py
+++ b/Configuration/Skimming/python/autoSkim.py
@@ -47,7 +47,7 @@
 
 # For 2023 PbPb skims
 for i_split in range(32):
-    autoSkim[f'HIPhysicsRawPrime{i_split}'] = 'PbPbEMu+PbPbZEE+PbPbZMM+LogError+LogErrorMonitor'
+    autoSkim[f'HIPhysicsRawPrime{i_split}'] = 'PbPbEW'
 
 autoSkimRunII = {
  'BTagCSV' : 'LogError+LogErrorMonitor',