POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, That I
Thomas L. Aller
hereby constitute and appoint James J. Volker and James R. Casperson, and each of them individually, my true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign my name as a director of Whiting Petroleum Corporation (the “Company”) to the Registration Statement on Form S-8, any amendments (including post-effective amendments) or supplements thereto and any additional registration statement pursuant to Rule 462(b) of the Securities Act of 1933, as amended, relating to the shares of the Company’s common stock to be issued by the Company pursuant to the Whiting Petroleum Corporation 2003 Equity Incentive Plan, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission in connection with the registration of the above-referenced shares of common stock under the Securities Act of 1933, as amended.
I hereby ratify and confirm all that said attorneys-in-fact and agents, or each of them, have done or shall lawfully do by virtue of this Power of Attorney.
WITNESS my hand this 30th day of November, 2003.
| /s/ Thomas L. Aller | |
| Thomas L. Aller |
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, That I
Graydon D. Hubbard
hereby constitute and appoint James J. Volker and James R. Casperson, and each of them individually, my true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign my name as a director of Whiting Petroleum Corporation (the “Company”) to the Registration Statement on Form S-8, any amendments (including post-effective amendments) or supplements thereto and any additional registration statement pursuant to Rule 462(b) of the Securities Act of 1933, as amended, relating to the shares of the Company’s common stock to be issued by the Company pursuant to the Whiting Petroleum Corporation 2003 Equity Incentive Plan, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission in connection with the registration of the above-referenced shares of common stock under the Securities Act of 1933, as amended.
I hereby ratify and confirm all that said attorneys-in-fact and agents, or each of them, have done or shall lawfully do by virtue of this Power of Attorney.
WITNESS my hand this 30th day of November, 2003.
| /s/ Graydon D. Hubbard | |
| Graydon D. Hubbard |
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, That I
J. B. Ladd
hereby constitute and appoint James J. Volker and James R. Casperson, and each of them individually, my true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign my name as a director of Whiting Petroleum Corporation (the “Company”) to the Registration Statement on Form S-8, any amendments (including post-effective amendments) or supplements thereto and any additional registration statement pursuant to Rule 462(b) of the Securities Act of 1933, as amended, relating to the shares of the Company’s common stock to be issued by the Company pursuant to the Whiting Petroleum Corporation 2003 Equity Incentive, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission in connection with the registration of the above-referenced shares of common stock under the Securities Act of 1933, as amended.
I hereby ratify and confirm all that said attorneys-in-fact and agents, or each of them, have done or shall lawfully do by virtue of this Power of Attorney.
WITNESS my hand this 30th day of November, 2003.
| /s/ J. B. Ladd | |
| J. B. Ladd |
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, That I
Kenneth R. Whiting
hereby constitute and appoint James J. Volker and James R. Casperson, and each of them individually, my true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for me and in my name, place and stead, in any and all capacities, to sign my name as a director of Whiting Petroleum Corporation (the “Company”) to the Registration Statement on Form S-8, any amendments (including post-effective amendments) or supplements thereto and any additional registration statement pursuant to Rule 462(b) of the Securities Act of 1933, as amended, relating to the shares of the Company’s common stock to be issued by the Company pursuant to the Whiting Petroleum Corporation 2003 Equity Incentive Plan, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission in connection with the registration of the above-referenced shares of common stock under the Securities Act of 1933, as amended.
I hereby ratify and confirm all that said attorneys-in-fact and agents, or each of them, have done or shall lawfully do by virtue of this Power of Attorney.
WITNESS my hand this 30th day of November, 2003.
| /s/ Kenneth R. Whiting | |
| Kenneth R. Whiting |
