POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, Thomas K. Sittema, hereby constitutes and appoints Robert W. Long and Kimberly Zeitvogel, and each of them, as his true and lawful attorney-in-fact and agent with full power of substitution and resubstitution for such attorney-in-fact in such attorney-in-fact’s name, place and stead, in any and all capacities, to sign any and all registration statements of StepStone Private Infrastructure Fund, and any amendments or supplements thereto and all instruments necessary or incidental in connection therewith, and to file the same, with all exhibits thereto and other documents in connection therewith, with the U.S. Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent or his substitutes, may lawfully do or cause to be done by virtue hereof.

Dated: May 25, 2023

/s/ Thomas K. Sittema

Thomas K. Sittema

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, Robert W. Long, hereby constitutes and appoints Kimberly Zeitvogel as his true and lawful attorney-in-fact and agent with full power of substitution and resubstitution for such attorney-in-fact in such attorney-in-fact’s name, place and stead, in any and all capacities, to sign any and all registration statements of StepStone Private Infrastructure Fund, and any amendments or supplements thereto and all instruments necessary or incidental in connection therewith, and to file the same, with all exhibits thereto and other documents in connection therewith, with the U.S. Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent or his substitutes, may lawfully do or cause to be done by virtue hereof.

Dated: May 25, 2023

/s/ Robert W. Long

Robert W. Long

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, Ron D. Sturzenegger, hereby constitutes and appoints Robert W. Long and Kimberly Zeitvogel, and each of them, as his true and lawful attorney-in-fact and agent with full power of substitution and resubstitution for such attorney-in-fact in such attorney-in-fact’s name, place and stead, in any and all capacities, to sign any and all registration statements of StepStone Private Infrastructure Fund, and any amendments or supplements thereto and all instruments necessary or incidental in connection therewith, and to file the same, with all exhibits thereto and other documents in connection therewith, with the U.S. Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent or his substitutes, may lawfully do or cause to be done by virtue hereof.

Dated: May 25, 2023

/s/ Ron D. Sturzenegger

Ron D. Sturzenegger

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, Tracy G. Schmidt, hereby constitutes and appoints Robert W. Long and Kimberly Zeitvogel, and each of them, as his true and lawful attorney-in-fact and agent with full power of substitution and resubstitution for such attorney-in-fact in such attorney-in-fact’s name, place and stead, in any and all capacities, to sign any and all registration statements of StepStone Private Infrastructure Fund, and any amendments or supplements thereto and all instruments necessary or incidental in connection therewith, and to file the same, with all exhibits thereto and other documents in connection therewith, with the U.S. Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent or his substitutes, may lawfully do or cause to be done by virtue hereof.

Dated: May 25, 2023

/s/ Tracy G. Schmidt

Tracy G. Schmidt

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, Terry Prather, hereby constitutes and appoints Robert W. Long and Kimberly Zeitvogel, and each of them, as his true and lawful attorney-in-fact and agent with full power of substitution and resubstitution for such attorney-in-fact in such attorney-in-fact’s name, place and stead, in any and all capacities, to sign any and all registration statements of StepStone Private Infrastructure Fund, and any amendments or supplements thereto and all instruments necessary or incidental in connection therewith, and to file the same, with all exhibits thereto and other documents in connection therewith, with the U.S. Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent or his substitutes, may lawfully do or cause to be done by virtue hereof.

Dated: May 23, 2024

/s/ Terry Prather

Terry Prather