Sionix Corporation Ships MWTS to the Williston Basin in North Dakota

LOS ANGELES, CA--(Marketwire - Apr 20, 2012) - Sionix Corporation (OTCBB: SINX) ("Sionix" or the "Company"), a designer of patented water treatment systems, announced today that it has shipped its Mobile Water Treatment System (MWTS) to a staging area in North Dakota under the Water Treatment Agreement with McFall Incorporated announced on March 5, 2012. Designed to treat up to 9,600 barrels per day of contaminated drilling fluids at a drilling site, this MWTS will be deployed to a specific drilling rig and commence treatment operations in early May 2012. When treatment operations commence, further announcements will be made.

Accompanying the MWTS will be senior Sionix personnel including Chief Science Officer Mark J. Hayes, Chief Engineer Charles B. Oborn, and Field Service Manager Joey M. Anderson. This team will manage the installation, commissioning, and subsequent operation of the MWTS at the initial drilling site. "This group of scientists, engineers and technicians represents a dedicated and experienced team who has the education, experience, and commitment to deliver a successful installation for the Sionix Williston Basin operations," states Sionix CEO James Currier. "This installation is very important to the growth and success of Sionix. Our senior team will remain on-site for some time to ensure the proper integration of our MWTS within the operations of the drilling rig, monitoring safety practices, calibration of instrumentation, fine tuning current supervisory controls, and collecting data for continued product development and enhancement of Sionix system designs," Currier added.

Sionix has posted updated information on its website to include new data on the Williston Basin for the benefit of its shareholders. This presentation can be found at http://www.sionix.com/willistonbasinpresentation. Additional information will be added and updated from time to time.

About Sionix Corporation
Sionix designs innovative and advanced MWTS intended for use in energy, government facilities, healthcare facilities, emergency water supplies during natural disasters, housing development projects, and various industrial processes including subterranean fracturing used in oil and gas drilling. These systems can be located adjacent to contaminated water sites or as a pre-treatment for reverse osmosis and other membrane applications. Industries involved in dairy, agribusiness, meat processing, mining, poultry operations, and many others can benefit from Sionix' cost-effective, easily-maintained, portable water treatment systems. For more information about the company, go to www.sionix.com.

Forward-Looking Statements
All statements in this press release that are not statements of historical fact are forward-looking statements, including any projections of earnings, revenue, or other financial items, any statements of the plans, strategies, and objectives of management for future operations, any statements concerning proposed new products, services or developments, any statements regarding future economic conditions or performance, statements of belief and any statements of assumptions underlying any of the foregoing. These statements are based on expectations and assumptions as of the date of this press release and are subject to numerous risks and uncertainties, which could cause actual results to differ materially from those described in the forward-looking statements. The risks and uncertainties include, but are not limited to whether Sionix Corporation can raise capital as and when it needs to, whether the water purification systems will generate significant sales, whether it can compete successfully in its market and industry, and other factors beyond the control of Sionix Corporation, including those detailed from time to time in the reports filed with the Securities and Exchange Commission. Sionix Corporation assumes no obligation and does not intend to update these forward-looking statements.