0000950172-00-000998 8-K 6 20000523 5 7 20000525 NORFOLK SOUTHERN CORP 0000702165 4011 521188014 VA 1231 8-K 34 001-08339 643529 THREE COMMERCIAL PL NORFOLK VA 23510-2191 8046292680 8-K 1 000095017200000998-001-seq1-8-k.txt 8-K EX-1 2 000095017200000998-002-seq2-ex-1.txt EXHIBIT 1.1(A) - UNDERWRITING AGREEMENT EX-1 3 000095017200000998-003-seq3-ex-1.txt EXHIBIT 1.1(B) - PRICING AGREEMENT EX-4 4 000095017200000998-004-seq4-ex-4.txt EXHIBIT 4.1 - THIRD SUPPLEMENTAL INDENTURE EX-5 5 000095017200000998-005-seq5-ex-5.txt EXHIBIT 5.1 - OPINION OF WILLIAM A. NOELL, JR. EX-5 6 000095017200000998-006-seq6-ex-5.txt EXHIBIT 5.2 - OPINION OF SASM&F