By resolution of the Board of Directors at a meeting held on October 30, 2006, the trading unit of the shares of Shizuoka Gas Company is to be revised, as detailed below.

Reason for change:
To facilitate an expansion in the Company's shareholder base, principally to encompass more shareholding by individuals, and to further increase the market liquidity of the Company's stock.

Specifics of change:
The unit for transactions involving the Company's shares will be reduced from 1,000 shares to 500 shares.

Effective date of change:
The change will take effect as of the start of trading on the Tokyo Stock Exchange on December 1, 2006.