Exhibit (q)

NORTHERN INSTITUTIONAL FUNDS

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, being a Trustee of Northern Institutional Funds (the “Funds”), a statutory trust organized under the laws of the State of Delaware, does hereby make, constitute and appoint Peter K. Ewing, Randal E. Rein and Joshua B. Deringer, and each of them, attorneys-in-fact and agents of the undersigned with full power and authority of substitution and resubstitution, in any and all capacities, to execute for and on behalf of the undersigned any and all filings and amendments to the Registration Statement on Form N-1A relating to shares of the Funds and any other documents and instruments incidental thereto, and to deliver and file the same, with all exhibits thereto, and all documents and instruments in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing that said attorneys-in-fact and agents, and each of them, deem advisable or necessary to enable the Funds to effectuate the intents and purposes hereof, and the undersigned hereby fully ratifies and confirms all that said attorneys-in-fact and agents, or any of them, or their or his or her substitute or substitutes, shall do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has subscribed his or her name this 23rd day of December, 2020.

/s/ Therese M. Bobek

Therese M. Bobek

NORTHERN INSTITUTIONAL FUNDS

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, being a Trustee of Northern Institutional Funds (the “Funds”), a statutory trust organized under the laws of the State of Delaware, does hereby make, constitute and appoint Peter K. Ewing, Randal E. Rein and Joshua B. Deringer, and each of them, attorneys-in-fact and agents of the undersigned with full power and authority of substitution and resubstitution, in any and all capacities, to execute for and on behalf of the undersigned any and all filings and amendments to the Registration Statement on Form N-1A relating to shares of the Funds and any other documents and instruments incidental thereto, and to deliver and file the same, with all exhibits thereto, and all documents and instruments in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing that said attorneys-in-fact and agents, and each of them, deem advisable or necessary to enable the Funds to effectuate the intents and purposes hereof, and the undersigned hereby fully ratifies and confirms all that said attorneys-in-fact and agents, or any of them, or their or his or her substitute or substitutes, shall do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has subscribed his or her name this 23rd day of December, 2020.

/s/ Ingrid LaMae A. de Jongh

Ingrid LaMae A. de Jongh

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NORTHERN INSTITUTIONAL FUNDS

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, being a Trustee of Northern Institutional Funds (the “Funds”), a statutory trust organized under the laws of the State of Delaware, does hereby make, constitute and appoint Peter K. Ewing, Randal E. Rein and Joshua B. Deringer, and each of them, attorneys-in-fact and agents of the undersigned with full power and authority of substitution and resubstitution, in any and all capacities, to execute for and on behalf of the undersigned any and all filings and amendments to the Registration Statement on Form N-1A relating to shares of the Funds and any other documents and instruments incidental thereto, and to deliver and file the same, with all exhibits thereto, and all documents and instruments in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing that said attorneys-in-fact and agents, and each of them, deem advisable or necessary to enable the Funds to effectuate the intents and purposes hereof, and the undersigned hereby fully ratifies and confirms all that said attorneys-in-fact and agents, or any of them, or their or his or her substitute or substitutes, shall do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has subscribed his or her name this 28th day of December, 2020.

/s/ Mark G. Doll

Mark G. Doll

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NORTHERN INSTITUTIONAL FUNDS

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, being a Trustee of Northern Institutional Funds (the “Funds”), a statutory trust organized under the laws of the State of Delaware, does hereby make, constitute and appoint Peter K. Ewing, Randal E. Rein and Joshua B. Deringer, and each of them, attorneys-in-fact and agents of the undersigned with full power and authority of substitution and resubstitution, in any and all capacities, to execute for and on behalf of the undersigned any and all filings and amendments to the Registration Statement on Form N-1A relating to shares of the Funds and any other documents and instruments incidental thereto, and to deliver and file the same, with all exhibits thereto, and all documents and instruments in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing that said attorneys-in-fact and agents, and each of them, deem advisable or necessary to enable the Funds to effectuate the intents and purposes hereof, and the undersigned hereby fully ratifies and confirms all that said attorneys-in-fact and agents, or any of them, or their or his or her substitute or substitutes, shall do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has subscribed his or her name this 22nd day of December, 2020.

/s/ Thomas A. Kloet

Thomas A. Kloet

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NORTHERN INSTITUTIONAL FUNDS

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, being a Trustee of Northern Institutional Funds (the “Funds”), a statutory trust organized under the laws of the State of Delaware, does hereby make, constitute and appoint Peter K. Ewing, Randal E. Rein and Joshua B. Deringer, and each of them, attorneys-in-fact and agents of the undersigned with full power and authority of substitution and resubstitution, in any and all capacities, to execute for and on behalf of the undersigned any and all filings and amendments to the Registration Statement on Form N-1A relating to shares of the Funds and any other documents and instruments incidental thereto, and to deliver and file the same, with all exhibits thereto, and all documents and instruments in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing that said attorneys-in-fact and agents, and each of them, deem advisable or necessary to enable the Funds to effectuate the intents and purposes hereof, and the undersigned hereby fully ratifies and confirms all that said attorneys-in-fact and agents, or any of them, or their or his or her substitute or substitutes, shall do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has subscribed his or her name this 23rd day of December, 2020.

/s/ David R. Martin

David R. Martin

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NORTHERN INSTITUTIONAL FUNDS

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, being a Trustee of Northern Institutional Funds (the “Funds”), a statutory trust organized under the laws of the State of Delaware, does hereby make, constitute and appoint Peter K. Ewing, Randal E. Rein and Joshua B. Deringer, and each of them, attorneys-in-fact and agents of the undersigned with full power and authority of substitution and resubstitution, in any and all capacities, to execute for and on behalf of the undersigned any and all filings and amendments to the Registration Statement on Form N-1A relating to shares of the Funds and any other documents and instruments incidental thereto, and to deliver and file the same, with all exhibits thereto, and all documents and instruments in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing that said attorneys-in-fact and agents, and each of them, deem advisable or necessary to enable the Funds to effectuate the intents and purposes hereof, and the undersigned hereby fully ratifies and confirms all that said attorneys-in-fact and agents, or any of them, or their or his or her substitute or substitutes, shall do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has subscribed his or her name this 28th day of December, 2020.

/s/ Cynthia R. Plouché

Cynthia R. Plouché

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NORTHERN INSTITUTIONAL FUNDS

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, being a Trustee of Northern Institutional Funds (the “Funds”), a statutory trust organized under the laws of the State of Delaware, does hereby make, constitute and appoint Peter K. Ewing, Randal E. Rein and Joshua B. Deringer, and each of them, attorneys-in-fact and agents of the undersigned with full power and authority of substitution and resubstitution, in any and all capacities, to execute for and on behalf of the undersigned any and all filings and amendments to the Registration Statement on Form N-1A relating to shares of the Funds and any other documents and instruments incidental thereto, and to deliver and file the same, with all exhibits thereto, and all documents and instruments in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing that said attorneys-in-fact and agents, and each of them, deem advisable or necessary to enable the Funds to effectuate the intents and purposes hereof, and the undersigned hereby fully ratifies and confirms all that said attorneys-in-fact and agents, or any of them, or their or his or her substitute or substitutes, shall do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has subscribed his or her name this 30th day of December, 2020.

/s/ Mary Jacobs Skinner

Mary Jacobs Skinner

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NORTHERN INSTITUTIONAL FUNDS

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, being a Trustee of Northern Institutional Funds (the “Funds”), a statutory trust organized under the laws of the State of Delaware, does hereby make, constitute and appoint Peter K. Ewing, Randal E. Rein and Joshua B. Deringer, and each of them, attorneys-in-fact and agents of the undersigned with full power and authority of substitution and resubstitution, in any and all capacities, to execute for and on behalf of the undersigned any and all filings and amendments to the Registration Statement on Form N-1A relating to shares of the Funds and any other documents and instruments incidental thereto, and to deliver and file the same, with all exhibits thereto, and all documents and instruments in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing that said attorneys-in-fact and agents, and each of them, deem advisable or necessary to enable the Funds to effectuate the intents and purposes hereof, and the undersigned hereby fully ratifies and confirms all that said attorneys-in-fact and agents, or any of them, or their or his or her substitute or substitutes, shall do or cause to be done by virtue thereof.

IN WITNESS WHEREOF, the undersigned has subscribed his or her name this 28th day of December, 2020.

/s/ Darek Wojnar

Darek Wojnar

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