DelSite's New Stock Symbol is DSII.OB

IRVING, Texas, July 31, 2008 (PRIME NEWSWIRE) -- DelSite, Inc. (OTCBB:CARN)
(OTCBB:DSII), a drug and vaccine delivery technology company, said its common
shares will trade on the OTCBB under the new symbol DSII.OB, effective today.

The shares were previously traded under the symbol CARN.OB on the OTCBB. On June
30, 2008, the Company changed its name from Carrington Laboratories, Inc.,
pursuant to shareholder approval on June 26, 2008.

About DelSite

DelSite, Inc. is an ISO 9001-certified, research-based, biopharmaceutical and
consumer products company with a core technology based on naturally-occurring
complex carbohydrates. DelSite also manufactures and markets consumer products
and manufactures quality products for other companies. Manufacturing operations
comply with cGMP standards. DelSite is developing its proprietary GelSite(r)
technology designed to provide controlled release of peptide and protein-based
drugs. Its technology is protected by more than 130 patents in 26 countries. For
more information, visit www.delsite.com.

Certain statements in this release concerning DelSite may be forward-looking.
Actual events will be dependent upon a number of factors and risks including,
but not limited to: subsequent changes in plans by the Company's management;
delays or problems in formulation, manufacturing, distribution, production
and/or launch of new finished products; changes in the regulatory process;
changes in market trends; and a number of other factors and risks described from
time to time in the Company's filings with the Securities & Exchange Commission.

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CONTACT: DelSite, Inc.
Carlton E. Turner, Chief Executive Officer
(972) 518-1300