Pengrowth Reports Lindbergh Production That Exceeds Facility Nameplate Capacity of 12,500 bbl/d and Confirms CDN $0.02 Cash Dividend Payable July 15, 2015

CALGARY, ALBERTA--(Jun 8, 2015) - Pengrowth (PGF.TO) (PGH) is pleased to report that production from the Lindbergh thermal project now exceeds the project's nameplate capacity of 12,500 barrels per day (bbl/d). With all three well pads now on SAGD (steam assisted gravity drainage) production, the project is currently producing in excess of 13,000 bbl/d with an instantaneous steam oil ratio of 1.9. Installation of the remaining downhole electric submersible pumps (ESPs) was completed at the end of May and all producing wells now have ESPs in place. Production rates from the commercial project continue to increase, tracking the performance of the two pilot well pairs which have now been on production for over three years and which have been integrated into the commercial project. The project remains on track with continued ramp-up of production expected through the remainder of 2015, ultimately achieving production rates of 16,000 bbl/d by the end of the year.

East West Petroleum Increases Revenue from Gas Production and Sets Stage for Future Oil Field Development in New Zealand

VANCOUVER, BRITISH COLUMBIA--(May 26, 2015) - International oil and gas producer East West Petroleum Corp. (TSX VENTURE:EW) is pleased to announce that it has been informed by TAG Oil Ltd. (TAO.TO), the operator of the Cheal East discovery site (TAG 70% / EW 30%) in the Taranaki Basin of New Zealand, that a pipeline connecting the Cheal East site to TAG's main production facilities (TAG 100%) has been completed and is operational.

The TAG-owned pipeline is an important milestone as it generates additional revenue through the sale of E-site natural gas, it eliminates the flaring of the gas and the associated flaring costs, and it provides the required infrastructure for future development of the target-rich Cheal East discovery area. East West's share of current estimated gas production at Cheal-E is approximately 540 mscfpd (90 boepd) net to EW.

Vanguard Natural Resources Announces Deal to Acquire Eagle Rock Energy Partners, L.P. for Approximately $614 Million and Conference Call to Discuss Transaction

HOUSTON, May 21, 2015  -- Vanguard Natural Resources, LLC (VNR) ("Vanguard" or "the Company") and Eagle Rock Energy Partners, L.P. (EROC) ("Eagle Rock") today announced that they have entered into an Agreement and Plan of Merger pursuant to which a subsidiary of Vanguard will merge into Eagle Rock for total consideration of $474 million in Vanguard common units and the assumption of Eagle Rock's net debt of $140 million as of March 31, 2015. As a result of the transaction, Eagle Rock will become a wholly-owned indirect subsidiary of Vanguard. The transaction, which has been approved by the boards of directors of both companies, will be a tax-free unit-for-unit transaction with an exchange ratio of 0.185 Vanguard common units per Eagle Rock common unit.

ALFA and Harbour Energy to acquire Pacific Rubiales for C$6.50 per common share in all-cash transaction

MONTERREY, N.L., MEXICO, May 20, 2015 - ALFA, S.A.B. de C.V. ("ALFA") and Harbour Energy Ltd. and Harbour Energy, L.P. (together, "Harbour Energy") announced today that they have entered into a definitive agreement (the "Arrangement Agreement") with Pacific Rubiales Energy Corp. ("Pacific Rubiales") (TSX:PRE.TO - News) (BVC:PREC) pursuant to which a newly-formed company (the "Purchaser") jointly owned by ALFA and Harbour Energy will acquire all of the issued and outstanding common shares ("Common Shares") of Pacific Rubiales not already owned by ALFA or its affiliates (or held by Pacific Rubiales in treasury) by way of a Plan of Arrangement under the Business Corporations Act (British Columbia) (the "Arrangement") for cash consideration of C$6.50 per share.  ALFA currently owns, directly and indirectly, 59,897,800 Common Shares, representing approximately 18.95% of the outstanding Common Shares.