“Sterling Planet, along with WGES, is committed to reinvestment that builds on the current environmental benefits and creates additional positive effects for years to come,” said Mel Jones, Sterling Planet President and Chief Executive Officer. “We vigorously support this fund and similar efforts to reduce carbon loading, increase energy efficiency and develop additional sources of renewable energy.”“This type of market-driven solution is a key ingredient to the success of the Chesapeake Bay restoration efforts,” said Beth McGee, Senior Scientist for the Chesapeake Bay Foundation. “We need creative and cost-effective ways to reduce pollution to our waterways, and this partnership is one of those solutions.” To learn more about WGES CleanSteps ® Carbon Offsets and this innovative partnership visit www.wges.com/carbonoffsets or www.cbf.org. About Washington Gas Energy Services, Inc. Washington Gas Energy Services, Inc. is one of the largest competitive providers of electricity and natural gas in the mid-Atlantic region and supplies more than 350,000 customers in Maryland, Delaware, the District of Columbia, Pennsylvania and Virginia. In 2011, The U.S. Department of Energy (DOE) named WGES the Green Power Supplier of the Year in the non-utility category. Headquartered in Herndon, VA, Washington Gas Energy Services is an affiliate of Washington Gas and a subsidiary of WGL Holdings, Inc. (NYSE:WGL). www.wges.com About The Chesapeake Bay Foundation The Chesapeake Bay Foundation (CBF) is the only independent 501(c)(3) organization dedicated solely to restoring and protecting the Chesapeake Bay and its tributary rivers. Across the six-state Chesapeake watershed, CBF sets the agenda, serves as a watchdog, and speaks out on behalf of the Chesapeake Bay to business, government, and the public. www.cbf.org About Sterling Planet Sterling Planet has been a national leader in innovative clean energy solutions since 2000. The first company with a nationwide retail offer of wind, solar, biomass and other forms of renewable energy, Sterling Planet has delivered billions of renewable energy kilowatt-hours in both voluntary and mandated markets. Clients include more than 160 utility partners, as well as multinational corporations, government agencies, educational and nonprofit institutions, and individual consumers. Sterling Planet also offers carbon offsets to counteract greenhouse gas emissions and White Tags ® energy efficiency certificates, which the company introduced to the U.S. in 2006.