CALGARY, ALBERTA - EnerVest Oil Sands Management Inc. (TSX:EOS.UN) is pleased to announce a distribution to Unitholders of EnerVest Energy and Oil Sands Total Return Trust ("EnerVest"). The record date for the distribution is February 28, 2007 and the payment date will be March 15, 2007.

EnerVest will distribute $0.0417 per unit which represents a current yield of 7.2% based on the closing price of $6.98 per unit on February 14, 2007.

EnerVest's net asset value per unit was $7.60 for February 14, 2007.

EnerVest is an actively managed closed-end trust which invests in a diversified portfolio of: (i) companies and income trusts involved directly and indirectly in the Canadian oil sands; and (ii) traditional oil and gas royalty trusts. EnerVest's investment objectives are to maximize total return through capital appreciation in the portfolio and to provide Unitholders with a consistent monthly cash distribution.

Source: EnerVest Oil Sands Management Inc., http://www.enervest.com/files/news/EOSFebD.pdf