2011 - Pengrowth converts its corporate structure from an energy trust to a corporation. With the availability of approximately $2.9 billion worth of tax pools, the conversion did not initally result in corporate taxes that would reduce the amount available for distribution.

2010 - Pengrowth acquires Monterey Exploration Limited for $375 million. Monterey’s concentrated, Montney resource-focused asset base in the Groundbirch area of northeast British Columbia provides Pengrowth with a new core area with a deep inventory of operated, low risk drilling opportunities.  The highlight of the asset base is it’s focused, operated 21 (19) net sections in one of the thickest and most prospective area of the Montney fairway.

2009 - Pengrowth implements an internal management structure upon expiry of the management agreement with Pengrowth Management Limited.

Pengrowth amends its U.S. tax entity classification to be reclassified as a corporation for U.S. federal income tax purposes.

Pengrowth purchases 28, 842 acres (approximately 43 net sections) of undeveloped land in the highly prospective Horn River shale gas Basin in north-eastern British Columbia. Pengrowth now holds a total of 73, 147 net acres (approximately 113 net sections) in this region, the ninth largest acreage position in the Horn River.

Pengrowth announces the retirement of Chairman and CEO James S. Kinnear. Derek Evans is announced as Pengrowth’s new President and CEO.  Mr. Kinnear receives the designation, Chairman Emeritus and remains a Director of Pengrowth Corporation.

Pengrowth announces changes to its value creation strategy.  The focus becomes investing a larger percentage of cash flow on operated, low cost, low risk, and repeatable drilling opportunities in Western Canadian Sedimentary Basin.

Pengrowth announces equity offering of approximately 26 million trust units, raising $275 million. In response to strong investor demand, Pengrowth later increase the size of the offering to almost 29 million trust units for proceeds of approximately $300 million.

2007 - Pengrowth acquires Canadian oil and gas properties and undeveloped lands from ConocoPhillips for $1.0 billion.  The transaction represented one of the largest producing property acquisitions in the energy trust sector.

2008 - Pengrowth marks its 20^th anniversary by recording a record annual cash flow and completing the largest capital development program in its history.

Pengrowth acquires Accrete Energy Inc.’s interest in the Harmattan area for $95 million.   The reserves will produce approximately 8.4 million barrels of oil equivalent (boe), with associated production of approximately 1,900 boe per day (boe/d).

2006 - Pengrowth Energy Trust combines with Esprit Energy Trust for a transaction value of $1.1 billion, adding natural gas and coalbed methane potential.

2006 - Pengrowth completes the acquisition of the high quality light crude oil assets in Carson Creek from ExxonMobil Canada for $475 million.

2003 - Pengrowth purchases Emera Offshore Energy’s 8.4 percent working interest in the SOEP facilities.

2004 - Pengrowth successfully negotiates the $550.8 million acquisition of Murphy Oil’s Alberta and Saskatchewan properties, adding further natural gas and heavy oil assets.

2000 - Pengrowth purchases 21.5 mmboe of established reserves for a total consideration of $179.6 million to replace over 175 percent of production.

2001 - Pengrowth purchases an interest in the Sable Offshore Energy Project (SOEP) for $256 million.

2002 - Pengrowth acquires British Columbia oil and natural gas assets from Calpine Canada for $346.5 million.

2002 - Pengrowth initiates the first cross border offering for a Canadian Royalty Trust and on April 10 Pengrowth Energy Trust is listed on the New York Stock Exchange.

1995 - Pengrowth implements optional distributions in US funds, an industry first.

1996 - Pengrowth competes two equity offering, raising combined proceeds of $65.6 million.

1997 - Pengrowth acquires the Judy Creek and Swan Hill properties, which at the time was the largest oil and gas property acquisition in the history of the Canadian oil patch.

1998 - Pengrowth integrates the acquisition of Judy Creek and Swan Hill properties.

1988 - Pengrowth Gas Income Fund is incorporated to provide clients with “pension fund Investment in the Oil and Gas Industry” Pengrowth’s initial public offering on the Toronto Stock Exchange raised $12.5 million in December.

1992 - Pengrowth completes property acquisitions totaling $7.9 million.

1994 - Pengrowth Gas Income Fund is listed on the Montreal Exchange