SJW Corp. Sets Date for First Quarter Results Announcement

SAN JOSE, Calif.--(Business Wire)--
SJW Corp. (NYSE:SJW) announced today that the Company will release
its first quarter 2008 financial results after the close of the market
on Wednesday, April 30, 2008. Richard Roth, President and Chief
Executive Officer, and Angela Yip, Chief Financial Officer and
Treasurer, will review the results in a webcast presentation at 10:00
AM (PT) on Thursday, May 1, 2008.

Interested parties may access the webcast at the web site
www.sjwater.com. An archive of the webcast will be available until
July 22, 2008.

SJW Corp. is a publicly traded holding company headquartered in
San Jose, California. SJW Corp. is the parent company of San Jose
Water Company, Canyon Lake Water Service Company and SJW Land Company.
Together, San Jose Water Company and Canyon Lake Water Service Company
provide regulated and nonregulated water service to more than one
million people in San Jose, California and nearby communities and in
Canyon Lake, Texas. SJW Land Company owns and operates commercial
buildings, has a majority interest in a real estate partnership, and
has properties in the states of California, Florida, Connecticut,
Texas, Arizona and Tennessee.

This press release may contain certain forward-looking statements
including but not limited to statements relating to SJW Corp.'s plans,
strategies, objectives, expectations and intentions, which are made
pursuant to the safe harbor provisions of the U.S. Private Securities
Litigation Reform Act of 1995. These forward-looking statements
involve known and unknown risks, uncertainties and other factors which
may cause the actual results, performance or achievements of SJW Corp.
to be materially different from any future results, performance or
achievements expressed or implied by such forward-looking statements.
Certain factors that may cause actual results, performance or
achievements to materially differ are described in SJW Corp.'s most
recent reports on Form 10-K, Form 10-Q and Form 8-K filed with the
Securities and Exchange Commission. SJW Corp. undertakes no obligation
to publicly update or revise any forward-looking statement, whether as
a result of new information, future events or otherwise.

SJW Corp.
Suzy Papazian, 408-279-7961
Corporate Secretary/Attorney

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