Infinity Pharmaceuticals, Inc. (Nasdaq:INFI) will host a conference call on Tuesday, August 9, 2011 at 4:30 p.m. ET. During the call, management will provide an update on Infinity's business and discuss the company's second quarter 2011 financial results. A live webcast of the conference call can be accessed in the Investors/Media section of Infinity's website at www.infi.com. To participate in the conference call, please dial 1-877-316-5293 (domestic) and 1-631-291-4526 (international) five minutes prior to start time. An archived version of the webcast will be available on Infinity's website for 30 days.

Infinity is an innovative drug discovery and development company seeking to discover, develop and deliver to patients best-in-class medicines for difficult-to-treat diseases. For more information on Infinity, please refer to the company's website at www.infi.com.

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Cleantech Transit, Inc. (CLNO)

Cleantech Transit, Inc. is in the business of producing and conserving power. Cleantech Transit produces and sells clean electricity globally, with a focus on sustainable energies using renewable resources such as Geothermal, Solar and Wind. Cleantech Transit's goal is to use innovative technologies to reduce electricity consumption and dependence on carbon based energy. Cleantech Transit, Inc. was founded in 2006 and is based in Scottsdale, Arizona.

Biomass is material derived from living things, such as wood, grasses or manure. Sometimes it is a byproduct of some other process, but it can also be produced intentionally, such as the growing of corn for producing bioethanol. Biomass can be used to generate electricity.

The simplest way to generate electricity from biomass is to burn it. Just like burning coal, oil or gas, the heat generated turns water into high-pressure steam that is used to drive a turbine that generates electricity. Biomass can be burned on its own or along with regular fossil fuels.

Biomass can be heated in a controlled oxygen environment, so it does not burn, but instead produces a mixture of gases including methane, hydrogen and carbon monoxide. These gases can drive electricity-generating turbines or be burned to generate steam, which in turn drives the turbines.

Cleantech Transit, Inc. (CLNO) is pleased to announce it has met its funding requirement to secure the Company's ability to earn in 25% of the 500KW Merced Project.

The Company is in the final stages of closing its initial interest in the Merced Project and is currently working on completing the necessary documentation and expects closing the transaction soon. As previously announced Cleantech has the option to earn up to 40% of the Merced Project and the Company plans to continue to work towards increasing its interest in the Merced Project as they move ahead.

For more information please visit official website of CLNO: www.cleantechtransit.com.

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TeleCommunication Systems Inc. (NASDAQ:TSYS), a world leader in highly reliable and secure mobile communication technology, reported results for the second quarter ended June 30, 2011. Revenue was $100.7 million, up 9% from $92.7 million in 2010's second quarter. Services revenue was up 20% on higher volume from satcom, cyber security, and LBS technology deliverables. Gross profit was $38.1 million, up 15% from $33.2 million, and represents the company's highest quarterly gross profit to date. EBITDA (Earnings before Interest, Taxes, Depreciation, Amortization and non-cash stock-based compensation) was $14.9 million versus $15.4 million in Q2-10.

TeleCommunication Systems, Inc. develops and applies secure mobile communication technology in the United States and internationally. The company operates in two segments, Commercial and Government.

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ENGlobal Corp. (Nasdaq:ENG), a leading provider of energy-related project delivery solutions, announced that its second quarter 2011 earnings will be released before the market opening on Thursday, August 4, 2011. In conjunction with its earnings press release, ENGlobal will be discussing its second quarter results on a conference call and webcast that will be broadcast live over the Internet at 11:00 a.m. Eastern Daylight Time (10:00 a.m. CDT) the same day.

ENGlobal Corporation, through its subsidiaries, provides engineering and professional services principally to the energy sector in the United States and internationally.

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21st Century Holding Co. (Nasdaq:TCHC) announced that it will release its 2011 second quarter financial results at 2:00 PM on Thursday, August 11 2011 followed by an investor conference call at 4:30 PM (ET). The Company's CEO, Michael H. Braun, and its CFO, Peter J. Prygelski, III, will discuss the financial results and review the outlook for the Company. Messrs. Braun and Prygelski invite interested parties to participate in the conference call. A live webcast of the call will be available online at http://www.21stcenturyholding.com (in the Conference Calls section). Listeners interested in participating in the Q&A session can access the conference call by dialing toll free 866-501-5542.

21st Century Holding Company, through its subsidiaries, engages in insurance underwriting, distribution, and claims processing primarily in the United States.

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