ShengdaTech, Inc. To Announce First Quarter 2010 Results on May 11, 2010

SHANGHAI, May 5 /PRNewswire-Asia/ -- ShengdaTech, Inc. ("ShengdaTech" or the "Company") (Nasdaq: SDTH), a leading manufacturer of nano-precipitated calcium carbonate ("NPCC") in China, today announced it will host a conference call at 9:00 a.m. Eastern Daylight Time on Tuesday, May 11, 2010, to discuss the 2010 first quarter financial results.

To participate in the conference call, please dial the following number five to ten minutes prior to the scheduled conference call time: 877-407-8031. International callers should dial +1 201-689-8031.

If you are unable to participate in the call at this time, a replay will be available shortly after the conclusion of the earnings call until Tuesday, May 18, 2010. To access the replay, dial 877-660-6853. International callers should dial +1 201-612-7415. The account number is 286 and the conference ID number for the replay is 350144.

This conference call will be broadcast live over the Internet and can be accessed by all interested parties by clicking on http://www.shengdatechinc.com . Please access the link at least fifteen minutes prior to the start of the call to register, download, and install any necessary audio software. For those unable to participate during the live broadcast, a 90-day replay will be available shortly after the call by accessing the same link.

About ShengdaTech, Inc.

ShengdaTech is engaged in the business of manufacturing, marketing and selling nano-precipitated calcium carbonate (NPCC) products. The Company converts limestone into NPCC using its proprietary and patent-protected technology. ShengdaTech is the only company possessing proprietary NPCC technology in China. NPCC products are increasingly used in tires, paper, paints, building materials, and other chemical products. In addition to its broad customer base in China, the Company currently exports to Singapore, Thailand, Malaysia, India and Israel. For more information, please log on http://www.shengdatechinc.com .

For more information, please contact:

Andrew Chen

Chief Financial Officer

ShengdaTech, Inc.

Phone: +86-21-5835-8738

Email: Andrew.chen@shengdatech.com

Kevin Theiss

Investor Relations

Grayling

Phone: +1-646-284-9409

Email: kevin.theiss@grayling.com

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