GERDAU S.A. (NYSE:XGGB) announced that the Form 20-F related to the fiscal year ended December 31, 2010 was filed with the U.S. Securities and Exchange Commission (SEC) and the Securities and Exchange Commission of Brazil (CVM) and is available at the Company's Investor Relations Website (www.gerdau.com/investidores). Shareholders may request a free copy of the Form 20-F from the IR team by sending an email to inform@gerdau.com.br or by calling +55 51 3323-2703. GERDAU - Investor Relations. Phone: +55 51 3323.2703.

Gerdau S.A. engages in the production and sale of steel products in Brazil and internationally.

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HONDO MINERALS CORP (HMNC)

Demand for silver is built on three main pillars: industrial and decorative uses, photography, and jewelry & silverware. Together, these three categories represent more than 95 percent of annual silver consumption. In 2007, 455.5 million ounces of silver were used for industrial applications, while over 128 million ounces of silver were committed to the photographic sector, 163.4 million ounces were consumed in the jewelry market, and 58.8 million ounces were used in the silverware market.

Why is this indispensable metal in such demand? The reasons are simple. Silver has a number of unique properties including its strength, malleability and ductility, its electrical and thermal conductivity, its sensitivity to and high reflectance of light and the ability to endure extreme temperature ranges. Silver's unique properties restrict its substitution in most applications

Hondo Minerals Corporation is engaged in the acquisition of mines, mining claims and mining real estate in the United States, Canada and Mexico with mineral reserves of precious metals or non-ferrous metals.

Hondo owns the Tennessee and Schuylkill Mines in Chloride, Arizona. The Tennessee Mine was the largest producing silver mine in Arizona history. The Tennessee Mine operated from the late 1800's until 1947 producing lead, zinc, gold and silver. The Company also owns numerous other mining claims in the US Southwest, which are being evaluated for additional reserves.

Hondo Minerals Corporation (HMNC), is pleased to announce that, as planned, it has completed the operation to produce ionized water which is the critical substance needed for the extraction of minerals as required by our process.

The ionized water will be produced in a nearby offsite to be stored and available for immediate use following the anticipated Mining Safety and Health Administration (MSHA) training, inspection and site review at the Tennessee Mine. The full mineral extraction process onsite will begin immediately following the MSHA regulatory and safety training certification.

William R. Miertschin Chairman and CEO of Hondo Minerals says, "With machinery in place to load and crush our tailings and electric generation to power our processing equipment, we await regulatory inspections for final approvals for our site and facilities."

Hondo's initial independent testing has indicated the Tennessee Mine tailings and dumps could produce an average of 1 oz. to 3 oz. of gold and about 30 oz. or more of silver per ton using our exclusive environmentally friendly technology. At the Tennessee Mine there are approximately a million tons of metal rich tailings and dump material.

For more information please visit: http://www.hondominerals.com

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SIGA RESOURCES, INC. (SGAE)

Gold is found in the pure state, is very easy to work and was probably the first metal used by humans. Today, most of the gold that is newly mined or recycled is used in the manufacture of jewelry. Pure gold is too soft to stand up to the stresses applied to many jewelry items. Craftsmen learned that alloying gold with other metals such as copper, silver, and platinum would increase its durability. Since then most gold used to make jewelry is an alloy of gold with one or more other metals. About 78% of the gold consumed each year is used in the manufacture of jewelry.

Gold conducts electricity, does not tarnish, is very easy to work, can be drawn into wire, can be hammered into thin sheets, alloys with many other metals, can be melted and cast into highly detailed shapes, has a wonderful color and a brilliant luster. Gold is a memorable metal that occupies a special place in the human mind.

SIGA RESOURCES, INC. (SGAE) founded in 2007, is based in South Lake Tahoe, California. Siga is a mineral resource exploration and development company.

SIGA RESOURCES, INC. (SGAE) strategy targets properties that have the potential for near term production and early positive cash flow. Siga's general geographical interest is North and South America.

Siga Resources, Inc., a pre-exploration stage company, engages in the exploration and development of mineral resources principally gold properties. The company primarily holds a 100% interest in the Valolo Gold Claim covering an area of approximately 72.5 hectares located in the Republic of Fiji.

Siga Resources Inc recently announced that Siga has come to an agreement with Big Rock Resources Ltd. whereby the two companies will develop the Lucky Thirteen gold placer under a 50/50 joint venture.

Big Rock Resources Ltd. (1BR.F, ISIN CA0894851066, WKN A1JJYB www.bigrockresources.com) has agreed to fund the initial evaluation program for $400,000 USD, and provide funding up to $8.5 million USD to place the property in full production.

The partners will operate Lucky Thirteen under a Joint Venture company, Lucky 13 Mining Company Ltd., owned 50/50 by Siga and Big Rock. Lucky 13 Mining Company Ltd. will be the operator.

Siga has already secured the initial operating permits for the necessary rail crossing and initial test mining. Siga is currently constructing the washing and initial process plant to be used in the evaluation program.

Siga's President Ed Morrow said that "Siga is most pleased to have Big Rock Resources as a Joint Venture Partner. The combined power of the partnership will facilitate the rapid development of a production operation at Lucky thirteen."

For more information visit their website http://sigaresourcesinc.com

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Nordion Inc. (NYSE:NDZ) will present at the Jefferies 2011 Global Healthcare Conference on Thursday, June 9, 2011. Peter Dans, Chief Financial Officer, will make a formal presentation on the company at 9:30 a.m. Eastern time. A live audio webcast of the presentation will be accessible through Nordion's web site at www.nordion.com/investors/webcasts_and_presentations.asp.

Nordion Inc., a health science company, provides various products and services used for the prevention, diagnosis, and treatment of diseases worldwide. It involves in the processing, packaging, and delivery of medical isotopes for cardiology, oncology, and neurology.

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Health Management Associates, Inc. (NYSE:HMA) announced the appointment of Pascal J. Goldschmidt, M.D. to its Board of Directors. This appointment increases the number of board members from nine to ten. Pascal J. Goldschmidt, M.D., an internationally renowned cardiologist and cardiovascular researcher, is senior vice president for medical affairs and dean of the University of Miami Leonard M. Miller School of Medicine. He also serves as chief executive officer of the University of Miami Health System, which includes three hospitals and more than two dozen outpatient facilities in Miami-Dade, Broward, Palm Beach, Monroe and Collier counties, with more than 1,200 physicians and 8,000 staff.

Health Management Associates, Inc., through its subsidiaries, engages in the operation of general acute care hospitals and other health care facilities in non-urban communities in the United States.

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