0000950134-99-003503 8-K 2 19990503 5 7 19990503 ONEOK INC /NEW/ 0001039684 4923 731520922 OK 0831 8-K 34 001-13643 99608844 100 WEST 5TH ST TULSA OK 74103 9185887000 100 WEST 5TH ST TULSA OK 74103 WAI INC 19970519 8-K 1 000095013499003503-001-seq1-8-k.txt FORM 8-K EX-99.A 2 000095013499003503-002-seq2-ex-99-a.txt PRESS RELEASE DATED APRIL 30, 1999