These statements involve substantial known and unknown risks and uncertainties , certain of which are beyond Advantage 's control , including : the impact of general economic conditions ; industry conditions ; changes in laws and regulations including the adoption of new environmental laws and regulations and changes in how they are interpreted and enforced ; fluctuations in commodity prices and foreign exchange and interest rates ; stock market volatility and market valuations ; volatility in market prices for oil and natural gas ; liabilities inherent in oil and natural gas operations ; uncertainties associated with estimating oil and natural gas reserves ; competition for , among other things , capital , acquisitions of reserves , undeveloped lands and skilled personnel ; incorrect assessments of the value of acquisitions ; changes in income tax laws or changes in tax laws , royalty regimes and incentive programs relating to the oil and gas industry and income trusts ; geological , technical , drilling and processing problems and other difficulties in producing petroleum reserves ; obtaining required approvals of regulatory authorities ; and other risk factors set forth in Advantage 's Annual Information Form which is available at www.advantageincome.com and www.sedar.com.