0000950172-00-001661 8-K 3 20000926 5 7 20000926 NORFOLK SOUTHERN CORP 0000702165 4011 521188014 VA 1231 8-K 34 001-08339 729147 THREE COMMERCIAL PL NORFOLK VA 23510-2191 8046292680 8-K 1 0001.txt 8-K EX-4 2 0002.txt EXHIBIT 4 - RIGHTS AGREEMENT EX-99 3 0003.txt EXHIBIT 99.1 - PRESS RELEASE