Laboratory Corporation of America Holdings (LabCorp(R)) (NYSE: LH) reported that its Annual Meeting of Stockholders will be webcast live beginning May 1, 2012 at 9:00 a.m. Eastern Daylight Time via the Company Web site.

An archived replay of the audio webcast will be available through June 1, 2012.

Laboratory Corporation of America® Holdings, an S&P 500 company, is a pioneer in commercializing new diagnostic technologies and the first in its industry to embrace genomic testing. With annual revenues of $5.5 billion in 2011, over 31,000 employees worldwide, and more than 220,000 clients, LabCorp offers more than 4,000 tests ranging from routine blood analyses to reproductive genetics to companion diagnostics. LabCorp furthers its scientific expertise and innovative clinical testing technology through its LabCorp Specialty Testing Group: The Center for Molecular Biology and Pathology, National Genetics Institute, ViroMed Laboratories, Inc., The Center for Esoteric Testing, Litholink Corporation, Integrated Genetics, Integrated Oncology, DIANON Systems, Inc., Monogram Biosciences, Inc., Colorado Coagulation, and Endocrine Sciences. LabCorp conducts clinical trials testing through its LabCorp Clinical Trials division. LabCorp clients include physicians, government agencies, managed care organizations, hospitals, clinical labs, and pharmaceutical companies. To learn more about our organization, visit our Web site at: www.labcorp.com.

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Eduardo Menezes, executive vice president of Praxair, Inc. (NYSE: PX), and president, North American Industrial Gases business, will address the Barclays Select Series 2012 Chemical ROC Stars Conference in NYC on Thursday, May 3 at 11:15 am EDT. Menezes will discuss Praxair?s growth strategies and business outlook.

Praxair, Inc. is the largest industrial gases company in North and South America and one of the largest worldwide, with 2011 sales of $11 billion. The company produces, sells and distributes atmospheric and process gases and high-performance surface coatings. Praxair products, services and technologies are making our planet more productive by bringing efficiency and environmental benefits to a wide variety of industries, including aerospace, chemicals, food and beverage, electronics, energy, healthcare, manufacturing, metals and others. More information on Praxair is available on the Internet at www.praxair.com.

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Crown Equity Holdings Inc. (CRWE.OB)

Crown Equity Holdings Inc. (CRWE ) previously launched a new online service company CRWE Direct.

CRWE Direct is an online business-to-business marketplace for manufacturers and small to large businesses to purchase various types of merchandise. Manufacturers may start downloading their product immediately, free of charge during the next six months. Thereafter, there will be various annual fees. The listing process and image loading for both sites are user-friendly.

The 2010 U.S. Census data shows estimates for B2B revenues transacted online at approximately US $300 billion.

Crown Equity Holdings Inc. offers advertising branding and marketing services as a worldwide online multi-media publisher with its digital network of websites and focuses on the distribution of information for the purpose of bringing together a targeted audience and the advertisers that want to reach them. CRWE advertising services cover and connect a range of marketing specialties, as well as provide search engine optimization for clients interested in online media awareness.

For more information about CRWE Direct please visit http://www.crwedirect.com

For more information about Crown Equity Holdings Inc. please visit http://www.crownequityholdings.com

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Enphase Energy, Inc. (NASDAQ: ENPH) will host a conference call and webcast on Thursday, May 10, 2012, at 4:30pm Eastern Time to discuss its first quarter 2012 financial results for the period ended March 31, 2012.

The call and webcast will follow the release of first quarter financial results after market close.

Enphase Energy delivers microinverter technology for the solar industry that increases energy production, simplifies design and installation, improves system uptime and reliability, reduces fire safety risk and provides a platform for intelligent energy management. Our semiconductor-based microinverter system converts energy at the individual module level and brings a system-based, high technology approach to solar energy generation. www.enphase.com

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