QUESTAR BOARD DECLARES 223rd DIVIDEND WITHOUT A REDUCTION

SALT LAKE CITY — Questar Corp.'s (NYSE:STR) board of directors today approved a $.17 (17 cent) quarterly common stock dividend. The dividend — payable Sept. 11, 2000, to shareholders of record on Aug. 18, 2000 — is the same as the previous quarter's and one-half cent higher than a year earlier (16.5 cents). This is the company's 223rd consecutive quarterly dividend without a reduction.

Questar is a $2.3 billion diversified natural gas company headquartered in Salt Lake City. Through subsidiaries, it engages in energy development and production; gas gathering and processing; wholesale gas, electricity and liquids trading; retail energy services; interstate gas transmission and storage; retail gas distribution; and information systems and technologies.

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