0000950134-99-001792 8-K 2 19990319 5 7 19990319 ONEOK INC /NEW/ 0001039684 4923 731520922 OK 1231 8-K 34 001-13643 99568865 100 WEST 5TH ST TULSA OK 74103 9185887000 100 WEST 5TH ST TULSA OK 74103 WAI INC 19970519 8-K 1 000095013499001792-001-seq1-8-k.txt FORM 8-K EX-99.(A) 2 000095013499001792-002-seq2-ex-99-a.txt PRESS RELEASE DATED MARCH 18, 1999