POWER OF ATTORNEY The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell, M. D. Roughton, E. H. Gillum and A. S. Filean and each of them (with full power to each of them to act alone), the undersigned's true and lawful attorney-in-fact and agent, with full power of substitution to each, for and on behalf and in the name of the undersigned, to execute and file any documents relating to registration under the Securities Act of 1933 and the Investment Company Act of 1940 with respect to open-end management investment companies currently organized or to be organized in the future which are sponsored by Principal Life Insurance Company, and any and all amendments thereto and reports thereunder with all exhibits and all instruments necessary or appropriate in connection therewith, each of said attorneys-in-fact and agents and his or their substitutes being empowered to act with or without the others or other, and to have full power and authority to do or cause to be done in the name and on behalf of the undersigned each and every act and thing necessary or appropriate to be done in order to effectuate the same, as fully to all intents and purposes as the undersigned might or could do in person; hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 14th day of September, 1998. /s/R. G. Peebler ---------------- R. G. Peebler POWER OF ATTORNEY The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell, M. D. Roughton, E. H. Gillum and A. S. Filean and each of them (with full power to each of them to act alone), the undersigned's true and lawful attorney-in-fact and agent, with full power of substitution to each, for and on behalf and in the name of the undersigned, to execute and file any documents relating to registration under the Securities Act of 1933 and the Investment Company Act of 1940 with respect to open-end management investment companies currently organized or to be organized in the future which are sponsored by Principal Life Insurance Company, and any and all amendments thereto and reports thereunder with all exhibits and all instruments necessary or appropriate in connection therewith, each of said attorneys-in-fact and agents and his or their substitutes being empowered to act with or without the others or other, and to have full power and authority to do or cause to be done in the name and on behalf of the undersigned each and every act and thing necessary or appropriate to be done in order to effectuate the same, as fully to all intents and purposes as the undersigned might or could do in person; hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 14th day of September, 1998. /s/J. D. Davis ---------------- J. D. Davis POWER OF ATTORNEY The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell, M. D. Roughton, E. H. Gillum and A. S. Filean and each of them (with full power to each of them to act alone), the undersigned's true and lawful attorney-in-fact and agent, with full power of substitution to each, for and on behalf and in the name of the undersigned, to execute and file any documents relating to registration under the Securities Act of 1933 and the Investment Company Act of 1940 with respect to open-end management investment companies currently organized or to be organized in the future which are sponsored by Principal Life Insurance Company, and any and all amendments thereto and reports thereunder with all exhibits and all instruments necessary or appropriate in connection therewith, each of said attorneys-in-fact and agents and his or their substitutes being empowered to act with or without the others or other, and to have full power and authority to do or cause to be done in the name and on behalf of the undersigned each and every act and thing necessary or appropriate to be done in order to effectuate the same, as fully to all intents and purposes as the undersigned might or could do in person; hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 14th day of September, 1998. /s/B. A. Lukavsky ---------------- B. A. Lukavsky POWER OF ATTORNEY The undersigned hereby constitutes and appoints J. B. Griswell, M. D. Roughton, E. H. Gillum and A. S. Filean and each of them (with full power to each of them to act alone), the undersigned's true and lawful attorney-in-fact and agent, with full power of substitution to each, for and on behalf and in the name of the undersigned, to execute and file any documents relating to registration under the Securities Act of 1933 and the Investment Company Act of 1940 with respect to open-end management investment companies currently organized or to be organized in the future which are sponsored by Principal Life Insurance Company, and any and all amendments thereto and reports thereunder with all exhibits and all instruments necessary or appropriate in connection therewith, each of said attorneys-in-fact and agents and his or their substitutes being empowered to act with or without the others or other, and to have full power and authority to do or cause to be done in the name and on behalf of the undersigned each and every act and thing necessary or appropriate to be done in order to effectuate the same, as fully to all intents and purposes as the undersigned might or could do in person; hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 14th day of September, 1998. /s/S. L. Jones ---------------- S. L. Jones POWER OF ATTORNEY The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell, M. D. Roughton, E. H. Gillum and A. S. Filean and each of them (with full power to each of them to act alone), the undersigned's true and lawful attorney-in-fact and agent, with full power of substitution to each, for and on behalf and in the name of the undersigned, to execute and file any documents relating to registration under the Securities Act of 1933 and the Investment Company Act of 1940 with respect to open-end management investment companies currently organized or to be organized in the future which are sponsored by Principal Life Insurance Company, and any and all amendments thereto and reports thereunder with all exhibits and all instruments necessary or appropriate in connection therewith, each of said attorneys-in-fact and agents and his or their substitutes being empowered to act with or without the others or other, and to have full power and authority to do or cause to be done in the name and on behalf of the undersigned each and every act and thing necessary or appropriate to be done in order to effectuate the same, as fully to all intents and purposes as the undersigned might or could do in person; hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 14th day of September, 1998. /s/R. W. Gilbert ---------------- R. W. Gilbert POWER OF ATTORNEY The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell, M. D. Roughton, E. H. Gillum and A. S. Filean and each of them (with full power to each of them to act alone), the undersigned's true and lawful attorney-in-fact and agent, with full power of substitution to each, for and on behalf and in the name of the undersigned, to execute and file any documents relating to registration under the Securities Act of 1933 and the Investment Company Act of 1940 with respect to open-end management investment companies currently organized or to be organized in the future which are sponsored by Principal Life Insurance Company, and any and all amendments thereto and reports thereunder with all exhibits and all instruments necessary or appropriate in connection therewith, each of said attorneys-in-fact and agents and his or their substitutes being empowered to act with or without the others or other, and to have full power and authority to do or cause to be done in the name and on behalf of the undersigned each and every act and thing necessary or appropriate to be done in order to effectuate the same, as fully to all intents and purposes as the undersigned might or could do in person; hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 14th day of September, 1998. /s/P. A. Ferguson ---------------- P. A. Ferguson POWER OF ATTORNEY The undersigned hereby constitutes and appoints S. L. Jones, M. D. Roughton, E. H. Gillum and A. S. Filean and each of them (with full power to each of them to act alone), the undersigned's true and lawful attorney-in-fact and agent, with full power of substitution to each, for and on behalf and in the name of the undersigned, to execute and file any documents relating to registration under the Securities Act of 1933 and the Investment Company Act of 1940 with respect to open-end management investment companies currently organized or to be organized in the future which are sponsored by Principal Life Insurance Company, and any and all amendments thereto and reports thereunder with all exhibits and all instruments necessary or appropriate in connection therewith, each of said attorneys-in-fact and agents and his or their substitutes being empowered to act with or without the others or other, and to have full power and authority to do or cause to be done in the name and on behalf of the undersigned each and every act and thing necessary or appropriate to be done in order to effectuate the same, as fully to all intents and purposes as the undersigned might or could do in person; hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 14th day of September, 1998. /s/J. B. Griswell ---------------- J. B. Griswell POWER OF ATTORNEY The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell, M. D. Roughton, E. H. Gillum and A. S. Filean and each of them (with full power to each of them to act alone), the undersigned's true and lawful attorney-in-fact and agent, with full power of substitution to each, for and on behalf and in the name of the undersigned, to execute and file any documents relating to registration under the Securities Act of 1933 and the Investment Company Act of 1940 with respect to open-end management investment companies currently organized or to be organized in the future which are sponsored by Principal Life Insurance Company, and any and all amendments thereto and reports thereunder with all exhibits and all instruments necessary or appropriate in connection therewith, each of said attorneys-in-fact and agents and his or their substitutes being empowered to act with or without the others or other, and to have full power and authority to do or cause to be done in the name and on behalf of the undersigned each and every act and thing necessary or appropriate to be done in order to effectuate the same, as fully to all intents and purposes as the undersigned might or could do in person; hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 14th day of September, 1998. /s/J. E. Aschenbrenner ------------------- J. E. Aschenbrenner POWER OF ATTORNEY The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell, M. D. Roughton, E. H. Gillum and A. S. Filean and each of them (with full power to each of them to act alone), the undersigned's true and lawful attorney-in-fact and agent, with full power of substitution to each, for and on behalf and in the name of the undersigned, to execute and file any documents relating to registration under the Securities Act of 1933 and the Investment Company Act of 1940 with respect to open-end management investment companies currently organized or to be organized in the future which are sponsored by Principal Life Insurance Company, and any and all amendments thereto and reports thereunder with all exhibits and all instruments necessary or appropriate in connection therewith, each of said attorneys-in-fact and agents and his or their substitutes being empowered to act with or without the others or other, and to have full power and authority to do or cause to be done in the name and on behalf of the undersigned each and every act and thing necessary or appropriate to be done in order to effectuate the same, as fully to all intents and purposes as the undersigned might or could do in person; hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 14th day of September, 1998. /s/D. P. Francis ---------------- D. P. Francis