Riverstone Energy Regulatory News (RSE)

Riverstone Holdings Announces Commitment to Meritage Midstream Services III, LP.

Denver, CO, New York, NY and London, UK (10 April 2015) - Meritage Midstream Services III, LP ("Meritage III"), a newly-formed, Denver-based midstream partnership today announced an equity commitment from funds managed by energy private equity firm Riverstone Holdings, LLC ("Riverstone") to pursue midstream opportunities in Western Canada's emerging resource plays. Riverstone is initially committing $100 million, which is comprised $67 million from Riverstone Global Energy and Power Fund VI and $33 million from Riverstone Energy Limited ("REL"). Riverstone has the option to commit an additional $200 million to Meritage III bringing total commitments to $300 million.

Meritage III is led by Chairman and CEO, Steven B. Huckaby and President, Nicholas O. Thomas, industry veterans who have successfully established and led multiple midstream entities, including Meritage Midstream Services II, LLC ("Meritage II"), an existing Riverstone Global Energy and Power Fund V investment. Meritage II provides oil and gas producers in the Powder River Basin with a full range of midstream services including natural gas gathering, compression, treating and processing; NGL treating and transportation; and crude oil gathering, handling and transportation.

"We are excited to expand our relationship with Riverstone and look forward to developing another midstream company together," said Steve Huckaby, chairman and CEO of Meritage II and III. "We plan to continue our long-standing tradition of building strong, strategic partnerships with oil and gas producers. Our goal is to create a leading Western Canada-focused midstream company that provides the flexibility and optionality producers need to bring their hydrocarbon products from the wellhead to the most profitable markets."

Baran Tekkora, Partner at Riverstone, said, "Our significant equity commitment to Meritage III reflects our confidence in Steve, Nick and the team they have assembled, as well as the opportunity set we see in Western Canadian midstream. We are excited to continue the Riverstone / Meritage partnership and look forward to Meritage's continued success in the midstream industry."

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About Riverstone Holdings LLC:

Riverstone is an energy and power-focused private investment firm founded in 2000 by David M. Leuschen and Pierre F. Lapeyre, Jr. with $29 billion of equity capital raised. Riverstone conducts buyout and growth capital investments in the exploration & production, midstream, oilfield services, power, and renewable sectors of the energy industry. With offices in New York, London, Houston, and Mexico City, Riverstone has committed approximately $29 billion to over 110 investments in North America, Latin America, Europe, Africa, and Asia. Visit www.riverstonellc.com for more information.

About Riverstone Energy Limited:

REL is a closed-ended investment company that invests exclusively in the global energy industry, with a particular focus on the exploration & production and midstream sectors. The company is uniquely positioned to benefit from the large number of investment opportunities being driven by the North American energy revolution and the continued growth in global energy demand. REL aims to capitalize on the opportunities presented by Riverstone's energy investment platform. REL is a member of the FTSE 250 and its ordinary shares are listed on the London Stock Exchange, trading under the symbol RSE. To date, REL has invested in 14 energy companies spanning conventional and unconventional oil and gas activities in the Gulf of Mexico, Continental U.S., Western Canada, the U.K. North Sea, the Norwegian Sea, and Mexico.

About Meritage Midstream Services III:

Based in Denver with offices opening soon in Calgary, Meritage Midstream Services III provides oil and gas producers with a full complement of midstream services with an initial focus on Western Canada. Capabilities include the gathering, compression, treating, processing, fractionation, transportation and marketing of natural gas, NGLs and condensate; crude oil gathering, blending, storage, transportation and marketing; and transportation and handling for frac sand and produced water. The company's senior management team has more than 200 years of collective experience in the midstream business. Meritage Midstream is backed by an equity commitment from Riverstone Holdings LLC. Visit www.meritagemidstream.com for more information.

Media Contacts:

For Riverstone Energy Limited:

Alfredo Marti

+44-20-3206-6300

John Cosgrove

+1-212-993-0076

Brunswick:

+44-207-404-5959

For Meritage Midstream Services III, LP:

Casey Nikoloric

TEN|10 Group

(303) 433-4397, x101 o | (303) 507-0510 m

casey.nikoloric@ten10group.com