Class D and Class U Common Shares of Beneficial Interest

StepStone Private Infrastructure Fund

128 S. TRYON ST., CHARLOTTE, NC, 28202

Items 5(a)-(c) are hereby amended and restated as follows. As of the date hereof, the Reporting Person directly holds 2,014.252 Class U Shares, representing 1.83% of the Class U Shares outstanding. As of the date hereof, the Reporting Person no longer beneficially owns any Class D Shares and is no longer the beneficial owner of more than 5% of the Class U Shares. This filing represents an exit filing for the Reporting Person with respect to the Class D Shares and Class U Shares.

See 5(a) above. Except as set forth in this Schedule 13D, the Reporting Person has not effected any transaction in the Common Shares since the filing of the initial Schedule 13D on June 5, 2026.

Item 5(c) is hereby amended and restated as follows: On June 16, 2026, 1,007.20 Class D Shares were redeemed by the Issuer at a price of $15.57 per share.

Item 5(e) is hereby amended and restated as follows: As of June 8, 2026, the Reporting Person has ceased to be the beneficial ownership of more than five percent of the Issuer's Class U Shares. As of June 16, 2026, the Reporting Person has ceased to be the beneficial owner of more than five percent of the Issuer's Class D Shares. This filing on Schedule 13D constitutes an exit filing for the Reporting Person with respect to the Class U Shares and Class D Shares.