diff --git a/RecoEcal/EgammaClusterProducers/python/particleFlowSuperClusterECAL_cfi.py b/RecoEcal/EgammaClusterProducers/python/particleFlowSuperClusterECAL_cfi.py
index e15dda00ca50a..a16bb50e22573 100644
--- a/RecoEcal/EgammaClusterProducers/python/particleFlowSuperClusterECAL_cfi.py
+++ b/RecoEcal/EgammaClusterProducers/python/particleFlowSuperClusterECAL_cfi.py
@@ -28,3 +28,9 @@
                                 thresh_PFClusterSeedBarrel = 0.5,
                                 thresh_PFClusterSeedEndcap = 0.5)
 
+from Configuration.Eras.Era_Run3_2023_UPC_cff import Run3_2023_UPC
+(egamma_lowPt_exclusive & Run3_2023_UPC).toModify(particleFlowSuperClusterECAL, regressionConfig = dict(
+    regressionKeyEB  = 'pfscecal_ebCorrection_offline_v2',
+    uncertaintyKeyEB = 'pfscecal_ebUncertainty_offline_v2',
+    regressionKeyEE  = 'pfscecal_eeCorrection_offline_v2',
+    uncertaintyKeyEE = 'pfscecal_eeUncertainty_offline_v2'))
diff --git a/RecoEgamma/EgammaElectronProducers/python/lowPtGsfElectrons_cfi.py b/RecoEgamma/EgammaElectronProducers/python/lowPtGsfElectrons_cfi.py
index ed420bdc39921..27a80fe92e1d3 100644
--- a/RecoEgamma/EgammaElectronProducers/python/lowPtGsfElectrons_cfi.py
+++ b/RecoEgamma/EgammaElectronProducers/python/lowPtGsfElectrons_cfi.py
@@ -39,6 +39,41 @@
     ),
 )
 
+from RecoEgamma.EgammaTools.regressionModifier_cfi import regressionModifier103XLowPtPho
+_lowPtRegressionModifierUPC = regressionModifier103XLowPtPho.clone(
+    eleRegs = dict(
+        ecalOnlyMean = dict(
+            ebLowEtForestName = ":lowPtElectron_eb_ecalOnly_1To20_0p2To2_mean",
+            ebHighEtForestName = ":lowPtElectron_eb_ecalOnly_1To20_0p2To2_mean",
+            eeLowEtForestName = ":lowPtElectron_ee_ecalOnly_1To20_0p2To2_mean",
+            eeHighEtForestName = ":lowPtElectron_ee_ecalOnly_1To20_0p2To2_mean",
+            ),
+        ecalOnlySigma = dict(
+            ebLowEtForestName = ":lowPtElectron_eb_ecalOnly_1To20_0p0002To0p5_sigma",
+            ebHighEtForestName = ":lowPtElectron_eb_ecalOnly_1To20_0p0002To0p5_sigma",
+            eeLowEtForestName = ":lowPtElectron_ee_ecalOnly_1To20_0p0002To0p5_sigma",
+            eeHighEtForestName = ":lowPtElectron_ee_ecalOnly_1To20_0p0002To0p5_sigma",
+            ),
+        epComb = dict(
+            ecalTrkRegressionConfig = dict(
+                ebLowEtForestName = ":lowPtElectron_eb_ecalTrk_1To20_0p2To2_mean",
+                ebHighEtForestName = ":lowPtElectron_eb_ecalTrk_1To20_0p2To2_mean",
+                eeLowEtForestName = ":lowPtElectron_ee_ecalTrk_1To20_0p2To2_mean",
+                eeHighEtForestName = ":lowPtElectron_ee_ecalTrk_1To20_0p2To2_mean",
+                ),
+            ecalTrkRegressionUncertConfig = dict(
+                ebLowEtForestName = ":lowPtElectron_eb_ecalTrk_1To20_0p0002To0p5_sigma",
+                ebHighEtForestName = ":lowPtElectron_eb_ecalTrk_1To20_0p0002To0p5_sigma",
+                eeLowEtForestName = ":lowPtElectron_ee_ecalTrk_1To20_0p0002To0p5_sigma",
+                eeHighEtForestName = ":lowPtElectron_ee_ecalTrk_1To20_0p0002To0p5_sigma",
+                ),
+        )
+    ),
+)
+from Configuration.Eras.Era_Run3_2023_UPC_cff import Run3_2023_UPC
+from Configuration.ProcessModifiers.egamma_lowPt_exclusive_cff import egamma_lowPt_exclusive
+(egamma_lowPt_exclusive & Run3_2023_UPC).toReplaceWith(lowPtRegressionModifier,_lowPtRegressionModifierUPC)
+
 from RecoEgamma.EgammaElectronProducers.lowPtGsfElectronFinalizer_cfi import lowPtGsfElectronFinalizer
 lowPtGsfElectrons = lowPtGsfElectronFinalizer.clone(
     previousGsfElectronsTag = "lowPtGsfElectronsPreRegression",
diff --git a/RecoEgamma/EgammaTools/python/regressionModifier_cfi.py b/RecoEgamma/EgammaTools/python/regressionModifier_cfi.py
index bcf66c37c06bf..b780871bb1e2e 100644
--- a/RecoEgamma/EgammaTools/python/regressionModifier_cfi.py
+++ b/RecoEgamma/EgammaTools/python/regressionModifier_cfi.py
@@ -266,5 +266,21 @@
 from Configuration.Eras.Modifier_run3_egamma_cff import run3_egamma
 run3_egamma.toReplaceWith(regressionModifier,regressionModifierRun3)
 
+from Configuration.Eras.Modifier_run3_egamma_2023_cff import run3_egamma_2023
+run3_egamma_2023.toModify(regressionModifier103XLowPtPho,
+    eleRegs = dict(
+        ecalOnlyMean = dict(
+            rangeMinHighEt = 0.2,
+            rangeMaxHighEt = 2.0
+        )
+    ),
+    phoRegs = dict(
+        ecalOnlyMean = dict(
+            rangeMinHighEt = 0.2,
+            rangeMaxHighEt = 2.0
+        )
+    )
+)
+
 from Configuration.ProcessModifiers.egamma_lowPt_exclusive_cff import egamma_lowPt_exclusive
 egamma_lowPt_exclusive.toReplaceWith(regressionModifier,regressionModifier103XLowPtPho)