EX-23 4 ex23-3form40f_2007.txt EXHIBIT 23.3 EXHIBIT 23.3 ------------ March 28, 2008 CONSENT OF INDEPENDENT ENGINEERS We refer to our report entitled "Evaluation of the P&NG Reserves of Advantage Energy Income Fund (As of December 31, 2007)", dated February 21, 2008 (the "Report"). We hereby consent to the use of our name and references to excerpts from the Report in the Annual Report on Form 40-F of Advantage Energy Income Fund for the year ended December 31, 2007. Sincerely, SPROULE ASSOCIATES LIMITED ORIGINAL SIGNED BY CAMERON P. SIX Cameron P. Six, P.Eng Manager, Engineering