0000950134-99-003250 8-K 3 19990426 5 7 19990426 ONEOK INC /NEW/ 0001039684 4923 731520922 OK 1231 8-K 34 001-13643 99601051 100 WEST 5TH ST TULSA OK 74103 9185887000 100 WEST 5TH ST TULSA OK 74103 WAI INC 19970519 8-K 1 000095013499003250-001-seq1-8-k.txt FORM 8-K EX-99.A 2 000095013499003250-002-seq2-ex-99-a.txt PRESS RELEASE DATED APRIL 26, 1999 EX-99.B 3 000095013499003250-003-seq3-ex-99-b.txt AMENDED AGREEMENT AND PLAN OF MERGER