Attached files

file filename
EX-32 - EX-32 - NORFOLK SOUTHERN CORPnsc033121exhibit32.htm
EX-31.B - EX-31.B - NORFOLK SOUTHERN CORPnsc033121exhibit31b.htm
EX-31.A - EX-31.A - NORFOLK SOUTHERN CORPnsc033121exhibit31a.htm
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