LAS VEGAS, Aug. 10 /PRNewswire/ -- The Southwest Gas Corporation (NYSE: SWX) Annual Meeting of Shareholders was held at the Company headquarters in Las Vegas, Nevada on August 10, 1999. The shareholders approved all nominees for the Board of Directors and the retention of Arthur Andersen LLP as the Company's independent public accountants. In addition, the principal terms of the merger of a wholly owned subsidiary of ONEOK, Inc. (NYSE: OKE) and Southwest Gas Corporation have been approved by a majority of the Company's outstanding common shares. Approximately 79 percent of the shares voted at the meeting were in support of the merger.

Approval of the Arizona Corporation Commission and the California Public Utilities Commission must still be obtained in order for the merger to be complete. The Company currently anticipates that the merger will be consummated in the fourth quarter of 1999.
SOURCE Southwest Gas Corporation
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CONTACT: Media: Lew Phelps, 310-788-2850, or Mike Geczi, 212-573-6100, both of Sitrick and Company, for Southwest Gas Corporation; or Shareholders: Laura Hobbs of Southwest Gas Corporation, 702-876-7237