SolarCity and Goldman Sachs Create Largest U.S. Rooftop Solar Lease Financing Platform

Collaboration Expected to Fund more than $500 Million in Solar Projects, 110 Megawatts of Solar Capacity

SolarCity (SCTY), a leading provider of clean energy, today announced a lease financing agreement with Goldman Sachs (GS) to fund more than $500 million in solar power projects; an estimated 110 megawatts in generation capacity for homeowners and businesses.

The financing makes it possible for homeowners, businesses, government and other non-profit organizations to install solar panels with no upfront cost and pay less for clean, solar electricity than they currently pay for utility bills. The agreement was initiated in 2012 and expanded per its initial terms at the end of April.

Africa Oil Announces Etuko-1 Well Spuds in Kenya

 Africa Oil Corp. (TSX VENTURE:AOI)(NASDAQ OMX:AOI) ("Africa Oil" or the "Company") is pleased to announce that Tullow Oil Plc, the operator of Block 10BB in Kenya, has commenced drilling at the Etuko (formerly Kamba) prospect. This well will target a new play area in the Lockichar Basin where a working petroleum system has been confirmed by recent discoveries at Ngamia and Twiga. The well will focus on the 'eastern flank play' where oil was discovered in 1992 by Shell at the Loperot-1 well. The primary objectives will be the Lower Lokhone and Auwerwer sands, both of which have been shown to be high quality reservoirs containing oil in existing wells. The gross best estimate of prospective resources for the prospect are 231 million barrels of oil based on a third-party Competent Person's Report*. The well is expected to take approximately 60 days to drill and evaluate.

GASFRAC Announces First Quarter 2013 Results

MANAGEMENT'S DISCUSSION AND ANALYSIS

MARCH 31, 2013

Management's discussion and analysis ("MD&A") of the financial condition and the results of operations should be read in conjunction with the unaudited interim condensed consolidated financial statements for the three months ended March 31, 2013 and the consolidated financial statements for the year ended December 31, 2012 of GASFRAC Energy Services Inc. ("GASFRAC" or the "Company") (GFS.TO), together with the accompanying notes. The interim condensed consolidated financial statements have been prepared in accordance with International Financial Reporting Standards ("IFRS") including International Accounting Standard ("IAS") 34, "Interim Financial Reporting" as issued by the International Accounting Standards Board ("IASB").

Bankers Petroleum Announces 2013 First Quarter Financial and Operational Results

Realised Free Cash Flow and Record Production; Current Production 17,500 bopd

Bankers Petroleum Ltd. ("Bankers" or the "Company") (TSX: BNK, AIM: BNK) is pleased to provide its 2013 first quarter financial and operational results.  During the quarter, Bankers achieved several key milestones, including its first quarter of free cash flow and record production levels.

Insignia Energy Ltd. Announces Receipt of Proposal for Going Private Transaction

Insignia Energy Ltd. ("Insignia" or the "Company") (ISN.TO) today announced that the independent members of the board of directors of the Company have received a proposal (the "Proposal") from Brookfield Capital Partners Ltd. ("Brookfield") to privatize Insignia. Under the Proposal, all shareholders of Insignia, other than those participating in the Proposal, would receive $1.35 cash for each of their common shares of Insignia ("Common Shares"). The proposed offer price translates into a premium of 95% based on the weighted average trading price of the Common Shares on the Toronto Stock Exchange ("TSX") for the previous twenty (20) trading dates ended May 3, 2013.

Gran Tierra Energy Inc. Announces Record First Quarter 2013 Results

Major Oil Discovery in Peru; Production, Revenue, Net Income and Funds Flow from Operations Reach New Highs

Gran Tierra Energy Inc. ("Gran Tierra Energy") (NYSE MKT: GTE, TSX: GTE), a company focused on oil and gas exploration and production in South America, today announced its financial and operating results for the quarter ended March 31, 2013. All dollar amounts are in United States ("U.S.") dollars unless otherwise indicated.

Renewable Energy Group Reports First Quarter 2013 Financial Results

Q1 2013 Key Achievements     39 million gallons sold, up 14% compared to Q1 2012     40 million gallons produced, up 4% compared to Q1 2012     Adjusted EBITDA of $22 million     Net income of $46 million up from $14 million in Q1 2012     Demand driven by reinstated blenders tax credit, increased RVO for 2013, biodiesel RINs and new counter-seasonal demand

Renewable Energy Group, Inc. (REGI) today announced its financial results for the quarter ended March 31, 2013.

Greenbriar Capital and Alterra Power Announce Solar Partnership

Greenbriar Capital Corp. (TSXV:GRB.V) and Alterra Power Corp. (TSX:AXY.TO) are pleased to announce they have entered into a partnership, AG Solar One, which intends to develop 100 MW of solar generation capacity in Puerto Rico under a Master Renewable Power Purchase and Operating Agreement with the Puerto Rico Electric Power Authority. The partnership, which will be owned 50/50 by Greenbriar and Alterra, acquired rights to the master agreement last week. 

Perpetual Energy Inc. announces exercise of option for Warwick Gas Storage, approval of IETP funding for Panny Bitumen Project and credit facility renewal

Perpetual Energy Inc. ("Perpetual" or the "Company") is pleased to announce:

1)     The exercise of its option to purchase an additional 20 percent interest in Warwick Gas Storage ("WGS LP"); 2)     Confirmation of funding for the Panny Bitumen Project through the Government of Alberta's Innovative Energy Technologies Program ("IETP"); and 3)     Renewal of Perpetual's credit facility with a revised borrowing base of $125 million.

Warwick Gas Storage

Winstar Resources Ltd reaches an agreement for sale of the company to Kulczyk Oil Ventures Inc

Winstar Resources Ltd ("Winstar" or the "Company") (TSX:WIX.TO ) announces today that it has entered into an Arrangement Agreement (the "Agreement") whereby Kulczyk Oil Ventures Inc. ("KOV" or the "Purchaser") will acquire all of the issued and outstanding common shares of Winstar (the "Transaction").

Under the terms of the Agreement, each Winstar shareholder will receive, for each Winstar share, at the shareholder's election: i) C$2.50 in cash (the "Cash Consideration"); or ii) 7.555 KOV ordinary shares (the "Share Consideration"), subject to a maximum of C$35 million in cash being paid to Winstar shareholders in aggregate. 

Alberta Star Completes Sale of Oil and Gas Assets for $1.875 Million

  Alberta Star Development Corp. (TSX VENTURE:ASX)(OTCBB:ASXSF)(FRANKFURT:QLD) has completed the previously announced sale of its heavy oil assets in Alberta and Saskatchewan to Petrocapita Oil and Gas L.P. ("Petrocapita") of Calgary, Alberta for total net cash consideration of $1,900,513 after taking into account initial industry standard adjustments to the agreed purchase price of $1,875,000. The effective date of this transaction is March 1, 2013, with final adjustments to be calculated 90 days following closing.

Real Goods Solar to Power 18 Stockton Unified School District Schools and Facilities with Solar Energy

5.1 MW Project Expected to Save School District $600,000 in Energy Costs in First Year Alone

RGS Energy, the commercial and utility division of Real Goods Solar, Inc (RSOL), and Smart Energy Capital (SEC), will provide Stockton Unified School District (SUSD) with 5.1 megawatts (MW) of solar power that will bring clean energy to 18 SUSD schools and facilities in California. The solar installations are expected to save the district $600,000 in the first year, which will directly benefit school programs and services district wide.

Bengal's Drilling Campaign Continues to Show 100% Success Rate - Now 10 for 10 at Cuisinier in the Cooper Basin

Bengal Energy Ltd. (TSX:BNG.TO) ("Bengal" or the "Company") is pleased to announce that the Cuisinier 8 well ("Cuisinier 8"), the second well in the 2013 Cuisinier appraisal drilling campaign on the Barta sub-block ("Barta sub-block") portion of Authority to Prospect ("ATP") 752P in the Cooper-Eromanga Basin, in Queensland, Australia, has been cased as a future oil producer.

The Cretaceous Murta member, DC70 sand was the primary target and the well encountered approximately 7.6 metres of net sandstone with a preliminary estimate of 6.8 metres net pay.

TAG Oil Targets Unconventional Discoveries with First Oil and Gas Exploration Well in New Zealand's East Coast Basin

TAG Oil Ltd. (TSX: TAO) and (OTCQX: TAOIF), is pleased to announce that drilling of the Ngapaeruru-1 exploration well is now underway in TAG's 100% controlled Petroleum Exploration Permit 38349, located in the East Coast Basin of New Zealand. The Ngapaeruru-1 exploration well, spudded at 4:30am on April 22nd, 2013 is targeting the Waipawa Black Shale and Whangai source rock formations at an anticipated depth of 1,800 meters, and will test the unconventional discovery potential in this portion of the Basin.

ABB to Acquire Power-One to Become a Global Leader in Solar Photovoltaic (PV) Inverters The boards of ABB and Power-One have agreed to a transaction in which ABB will acquire Power-One at $6.35 per share or approximately $1 billion equity value, which includes Power-One's net cash of $266 million Combination creates global leader in the most attractive and "intelligent" part of the PV value chain Deal gives Power-One access to ABB's substantial R&D, global service and sales capabilities and complements ABB's growing inverter business and leadership in power electronics Right time: Solar PV industry is set for 10 percent-plus annual growth as PV-generated power rapidly approaches grid parity in many countries and will change the energy mix in the long term Management continuity ensured Integration with proven approach into the Discrete Automation and Motion division Transaction expected to close in 2H 2013, subject to shareholder and regulatory approvals

ABB (ABB), the leading power and automation technology group, and Power-One, Inc. (PWER), a leading provider of renewable energy and of energy-efficient power conversion and power management solutions, today announced that their boards of directors have agreed to a transaction in which ABB will acquire Power-One for $6.35 per share in cash or $1,028 million equity value.

Quattro, Announces the Closing of the Acquisition of 39 boe/d of Oil and Gas Production in Alberta and Welcomes the Addition of Jeff Boyd, P.Eng to our Management Team

Quattro Exploration And Production Ltd. (TSX VENTURE:QXP) ("Quattro" or the "Company") is pleased to announce that it has entered into an arms-length agreement with a private Alberta-based oil and gas exploration and production company to acquire certain oil and gas interests in eastern Alberta.

The acquisition is comprised of a 100% interest in a package of gas producing properties, currently producing an aggregate 39 boe/d (of which 4% is natural gas liquids), and additional associated undeveloped lands in east central Alberta.

Vanoil Energy Ltd.: Fluormin Transaction Update and Entry Into Transfer Agreement in Respect of Block L9 Kenya

Vanoil Energy Ltd. (TSX VENTURE:VEL), a TSX-V-listed oil and gas company with a portfolio of assets in East Africa ("Vanoil"), is pleased to announce that, following the announcement on 26 March 2013, confirming its intention to acquire the entire issued and to be issued share capital of AIM-listed Fluormin PLC (AIM: FLOR) ("Fluormin"), it has received confirmation of Fluormin's shareholders having passed by the necessary majorities, the resolutions proposed at the Court Meeting (convened by order of the High Court of Justice in connection with the scheme of arrangement) and at the general meeting held yesterday.

Africa Oil Confirms Lower Lokhone Oil Discovery in Ngamia-1 Well and Provides Operational Update

Africa Oil Corp. (TSX VENTURE:AOI)(NASDAQ OMX:AOI) ("Africa Oil" or the "Company") is pleased to provide the following operational update on its projects in East Africa.

The first of six drill stem tests at the Ngamia-1 well has been concluded. This test was in the Lower Lokhone formation where up to 43m of potential pay had previously been identified by logging and MDT sampling. The well flowed 281 barrels of 30 degree API oil per day with the assistance of a Progressive Cavity Pump (PCP). The remaining 5 tests will be conducted in the Auwerwer (formerly Upper Lokhone) sandstones which are the highest quality reservoirs penetrated in the Ngamia well and which produced very well in the recent tests at the Twiga South-1 well. Results of these remaining Ngamia tests are expected to be announced by early June.

Petrobakken Announces Q1 2013 Operations Update With Average Production of 49,100 Boepd

PetroBakken Energy Ltd. ("PetroBakken" or the "Company") (TSX:PBN) is pleased to provide an update on our first quarter operations. Note that all well counts contained in this press release are net numbers.

Consistent with our capital plan, the first quarter of 2013 was very active as we drilled 53 wells, placed 40 wells on production and exited the quarter with an inventory of 30 wells waiting to be brought on-stream. Although well activity decreased from the fourth quarter of 2012, production continued to grow and averaged 49,079 barrels of oil equivalent per day ("boepd") (82% light oil and liquids weighted) during the first quarter.

DeeThree Exploration Ltd. Announces a 1580 bbl/d Brazeau Belly River Oil Test

NOT FOR DISTRIBUTION TO U.S. NEWS WIRE SERVICES OR DISSEMINATION IN THE UNITED STATES

DEETHREE EXPLORATION LTD. ("DeeThree" or the "Company") (TSX:DTX)(OTCQX:DTHRF) is pleased to announce the results of a four day production test of its most recent horizontal Belly River oil well in its Brazeau property. The Company has a 100% working interest in the well.

After fracture stimulation, the well continued to flow for four days up the 4 1/2" frac string at an average rate of 1770 bbls/d of 44° API reservoir oil and 1.6 mmscf/d of natural gas with a final rate of approximately 1,580 bbls/d of oil and 1.8 mmscf/d of natural gas (on a 1.5" choke at a wellhead pressure of 40 psi).