DALLAS, July 25, 2013 /PRNewswire/ -- Summit Midstream Partners, LP (NYSE: SMLP) announced today that the board of directors of its general partner, Summit Midstream GP, LLC, has declared a quarterly cash distribution of $0.4350 per unit on all of its outstanding common and subordinated units, or $1.74 per unit on an annualized basis, for the quarter ended June 30, 2013. The distribution will be paid on August 14, 2013 to unitholders of record as of the close of business on August 7, 2013. (Logo: http://photos.prnewswire.com/prnh/20120927/MM82470LOGO) This quarterly distribution represents an increase of $0.015 per unit, or 3.6%, over the $0.42 per unit distribution paid for the quarter ended March 31, 2013. This release is intended to be a qualified notice under Treasury Regulation Section 1.1446-4(b). Brokers and nominees should treat one hundred percent (100.0%) of SMLP's distributions to foreign investors as being attributable to income that is effectively connected with a United States trade or business. Accordingly, SMLP's distributions to foreign investors are subject to federal income tax withholding at the highest applicable effective tax rate. About Summit Midstream Partners, LP SMLP is a growth-oriented limited partnership focused on owning and operating midstream energy infrastructure assets that are strategically located in the core producing areas of unconventional resource basins, primarily shale formations, in North America. SMLP currently provides primarily fee-based natural gas gathering and compression services in four unconventional resource basins: (i) the Piceance Basin, which includes the Mesaverde formation as well as the Mancos and Niobrara shale formations in western Colorado; (ii) the Fort Worth Basin, which includes the Barnett Shale formation in north-central Texas; (iii) the Williston Basin, which includes the Bakken and Three Forks shale formations in northwestern North Dakota; and (iv) the Appalachian Basin, which includes the Marcellus Shale formation in northern West Virginia. SMLP owns and operates 747 miles of pipeline and 180,600 horsepower of compression. SMLP is headquartered in Dallas, TX with offices in Houston, TX, Denver, CO and Atlanta, GA.About Summit Midstream Partners, LLC Summit Midstream Partners, LLC ("Summit Investments") owns a 71.6% limited partner interest in SMLP and owns and controls the general partner of SMLP, Summit Midstream GP, LLC, which has sole responsibility for conducting the business and managing the operations of SMLP. Summit Investments also owns, operates and is developing various crude oil, natural gas, and water-related midstream energy infrastructure assets in the Bakken Shale Play in North Dakota, the DJ Niobrara Shale Play in Colorado, the Uinta Basin in Utah, and the Piceance Basin in western Colorado. Summit Investments is a privately held company owned by members of management, funds controlled by Energy Capital Partners II, LLC, and GE Energy Financial Services, Inc. and certain of its affiliates. Forward-Looking Statements This press release includes certain statements concerning expectations for the future that are forward-looking within the meaning of the federal securities laws. Forward-looking statements contain known and unknown risks and uncertainties (many of which are difficult to predict and beyond management's control) that may cause our actual results in future periods to differ materially from anticipated or projected results. An extensive list of specific material risks and uncertainties affecting us is contained in our 2012 Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 18, 2013 and as amended and updated from time to time. Any forward-looking statements in this press release are made as of the date of this press release and SMLP undertakes no obligation to update or revise any forward-looking statements to reflect new information or events.