Animal Manure is Beginning to Get Interesting

Date: February 12, 2007

Source: News Room & Human BioSystems

HBS BioEnergy Forms Joint Venture With Dairy Development Group to Convert Waste to Power in Proposed Ethanol Plant

Human BioSystems (OTCBB: HBSC) announced today that HBS BioEnergy ("HBSE"), has formed a joint venture with Visalia based Dairy Development Group and Agrimass Enviro-Energy to build an Energy Park in the San Joaquin Valley of California. The Energy Park will utilize waste from surrounding dairies to provide the power needed to fuel a proposed ethanol plant to be located on site.

"The joint venture involves developing and operating an innovative agricultural waste-to-energy park," explained Len Chapman, Founder and CEO of Agrimass Enviro-Energy and Dairy Development Group. "This is the perfect model for agricultural production because it takes a problem - manure - and turns it into power and other energy products, which then fuels the ethanol plant that produces cleaner-burning fuels. This is the kind of green industry we need in the Valley."

"To our knowledge this model for a complete vertically integrated project has never been implemented in the renewable fuel business," noted Claude Luster, President of HBS BioEnergy.

"This model could provide energy cost savings of 50 to 80 percent," Mr. Luster explained. "It will benefit the Valley and help address the environmental issues by processing the wastes, reducing emissions to acceptable levels and improving air and water quality impact and concerns normally associated with dairies."

Agrimass Enviro-Energy blends technology, engineering and dairy expertise to help Valley dairymen implement systems that help them meet increasingly stringent environmental regulations.

Dairy Development Group assists dairymen in planning, permitting, building and operating their dairies, with a focus on environmental stewardship, waste mitigation and compliance.

Mr. Chapman, Chief Executive Officer of both businesses, has more than 30 years' experience in consumer goods and foods industry companies. He is also experienced in food processing, plant engineering and construction. During the past 15 years he served as a Senior Executive in Fortune 50 companies serving as President, Executive Vice President, Operations and Vice President and Division Manager.

HBS BioEnergy is in the business of bio-fuel production, with a team focusing on locating, constructing and operating bio-fuel facilities using cutting-edge technologies. The company has offices in Fresno, California.

Mr. Luster, President of HBS BioEnergy, has more than 30 years of diversified experience in the food processing, bioconversion, energy and environmental industries. He is considered an industry expert in aseptic bulk plant operations.

"We believe that this Dairy Energy Park will put the San Joaquin Valley on the map for the entire nation - setting a new standard for integrated technologies," Mr. Chapman noted. "Dairying is an economic powerhouse in the Valley, but now we can show the nation how dairying can also be a sustainable industry in this new age of environmental concerns."

Contacts:
Dairy Development Group
Len Chapman
(559) 967-5003

Dairy Development Group
Nancy Lockwood
(559) 733-3737

Human BioSystems
Harry Masuda
(650) 323-0943

Yes International
Investor Relations
(800) 631-8127

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