diff --git a/lineage_notes.txt b/lineage_notes.txt
index ffd13a9d..99e8de12 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -2944,6 +2944,7 @@ EG.1.8	Alias of XBB.1.9.2.1.8, S:S640F, ORF1b:D161G, ORF1b:P2321L, China
 EG.2	Alias of XBB.1.9.2.2, S:478R, Indonesia
 EG.2.1	Alias of XBB.1.9.2.2.1, S:F456L (T22930A), S:V327I, Indonesia
 EG.2.2	Alias of XBB.1.9.2.2.2, S:K304N, Indonesia/Japan
+EG.2.3	Alias of XBB.1.9.2.2.3, S:I742V, Indonesia/Singapore
 EG.3	Alias of XBB.1.9.2.3, ORF1a:L2778F on N:L219F branch
 EG.4	Alias of XBB.1.9.2.4, C28651T
 EG.4.1	Alias of XBB.1.9.2.4.1, S:I870V, N:A119S
diff --git a/lineages.csv b/lineages.csv
index a0c84063..cc62440a 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2457807,3 +2457807,78 @@ Japan/PG-554183/2023,EG.2.2
 Japan/PG-550609/2023,EG.2.2
 Japan/PG-544726/2023,EG.2.2
 Japan/PG-554177/2023,EG.2.2
+Indonesia/JK-GSILab-1152039/2023,EG.2.3
+Indonesia/JK-NIHRD-W01994/2023,EG.2.3
+Indonesia/JI-ITD-61187NT/2023,EG.2.3
+Indonesia/JK-NIHRD-C00015/2023,EG.2.3
+Indonesia/JK-NIHRD-W02362/2023,EG.2.3
+Indonesia/JK-NIHRD-W01934/2023,EG.2.3
+SouthKorea/KDCA235416/2023,EG.2.3
+USA/NJ-GBW-H20-311-1634/2023,EG.2.3
+USA/NJ-GBW-H10-012-4940/2023,EG.2.3
+SouthKorea/KDCA256770/2023,EG.2.3
+SouthKorea/KDCA249288/2023,EG.2.3
+SouthKorea/KDCA256265/2023,EG.2.3
+SouthKorea/KDCA256266/2023,EG.2.3
+SouthKorea/KDCA256479/2023,EG.2.3
+Japan/PG-550469/2023,EG.2.3
+Singapore/R49MR102/2023,EG.2.3
+Singapore/R52MR1/2023,EG.2.3
+Singapore/R54MR83/2023,EG.2.3
+Singapore/R54MR61/2023,EG.2.3
+Singapore/R53MR41/2023,EG.2.3
+Singapore/R55MR20/2023,EG.2.3
+Singapore/R53MR34/2023,EG.2.3
+Singapore/R60MR8/2023,EG.2.3
+Singapore/R53MR67/2023,EG.2.3
+Singapore/R60MR94/2023,EG.2.3
+Singapore/R60MR13/2023,EG.2.3
+Singapore/R60MR95/2023,EG.2.3
+Singapore/R60MR42/2023,EG.2.3
+Singapore/R39MR20/2023,EG.2.3
+Singapore/R53MR26/2023,EG.2.3
+Australia/QLD0x01368A/2023,EG.2.3
+Singapore/R48MR3/2023,EG.2.3
+Singapore/R43MR84/2023,EG.2.3
+Singapore/R45MR80/2023,EG.2.3
+Singapore/R49MR49/2023,EG.2.3
+Singapore/R48MR76/2023,EG.2.3
+Singapore/R49MR62/2023,EG.2.3
+Singapore/R49MR27/2023,EG.2.3
+Singapore/R48MR71/2023,EG.2.3
+Singapore/R48MR22/2023,EG.2.3
+Singapore/R49MR81/2023,EG.2.3
+Singapore/R50MR92/2023,EG.2.3
+Singapore/R50MR113/2023,EG.2.3
+Singapore/R50MR9/2023,EG.2.3
+Singapore/R50MR100/2023,EG.2.3
+Singapore/R51MR13/2023,EG.2.3
+Singapore/R43MR80/2023,EG.2.3
+Singapore/R46MR71/2023,EG.2.3
+Singapore/R60MR51/2023,EG.2.3
+Singapore/R54MR44/2023,EG.2.3
+Singapore/R50MR31/2023,EG.2.3
+Singapore/R48MR113/2023,EG.2.3
+Singapore/R55MR43/2023,EG.2.3
+Singapore/R53MR23/2023,EG.2.3
+Singapore/R59MR12/2023,EG.2.3
+Singapore/R54MR22/2023,EG.2.3
+Singapore/R59MR27/2023,EG.2.3
+Singapore/R60MR32/2023,EG.2.3
+Singapore/R52MR48/2023,EG.2.3
+Singapore/R51MR54/2023,EG.2.3
+Singapore/R54MR39/2023,EG.2.3
+Singapore/R53MR47/2023,EG.2.3
+Singapore/R50MR145/2023,EG.2.3
+Singapore/R54MR24/2023,EG.2.3
+Singapore/R54MR60/2023,EG.2.3
+Singapore/R54MR47/2023,EG.2.3
+Singapore/R52MR78/2023,EG.2.3
+Singapore/R54MR37/2023,EG.2.3
+Singapore/R54MR85/2023,EG.2.3
+Singapore/R54MR75/2023,EG.2.3
+Singapore/R55MR16/2023,EG.2.3
+Singapore/R55MR7/2023,EG.2.3
+Singapore/R51MR52/2023,EG.2.3
+Singapore/R55MR42/2023,EG.2.3
+(Indonesia/JK-GSILab-1152039/2023,EG.2.3