of the report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Unregistered Sales of Equity Securities The information provided under

Other Events. On May 29, 2026, StepStone Group Inc., a Delaware corporation (the “Company”) and StepStone Group LP, a Delaware limited partnership (the “Partnership”), completed the third exchange (the “2026 Exchange”) as part of the previously announced transactions to acquire equity interests of StepStone Group Real Estate LP, a Delaware limited partnership (“SRE”), StepStone Group Real Assets LP, a Delaware limited partnership (“SRA”) and StepStone Group Private Debt AG, a private company…

as if fully set forth herein. The information included in, or furnished with, this report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

of the report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

of the report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Material Modification to Rights of Security Holders. The information set forth under

Material Modification to Rights of Security Holders. The information set forth under

of the report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Unregistered Sales of Equity Securities. The information provided under

Other Events. On May 30, 2025, StepStone Group Inc., a Delaware corporation (the “Company”) and StepStone Group LP, a Delaware limited partnership (the “Partnership”), completed the second exchange (the “2025 Exchange”) as part of the previously announced transactions to acquire equity interests of StepStone Group Real Estate LP, a Delaware limited partnership (“SRE”), StepStone Group Real Assets LP, a Delaware limited partnership (“SRA”) and StepStone Group Private Debt AG, a private company…

as if fully set forth herein. The information included in, or furnished with, this report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

of the report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

of the report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information included in

Entry into a Material Definitive Agreement. On October 22, 2024, StepStone Group LP (the “ Partnership ”), the operating subsidiary of StepStone Group Inc., issued $175,000,000 aggregate principal amount of its 5.52% Series A senior notes due October 22, 2029 (the “ Notes ”), pursuant to a note purchase agreement, dated as of October 22, 2024 (the “ Note Purchase Agreement ”), by the Partnership and accepted and agreed to by the purchasers party thereto in a private placement exempt from regi…

Other Events. On September 9, 2024, StepStone Group Inc. (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) by and among the Company, StepStone Group LP, a Delaware limited partnership (the “Partnership”), and Goldman Sachs & Co. LLC, as underwriter (the “Underwriter”), providing for the offer and sale by the Company (the “Offering”) of 4,099,997 shares of the Company’s Class A common stock, par value $0.001 per share (“Class A Common Stock”) at a public off…

of the report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

by reference. The Class A Common Stock and Class D Units issued at the closing of the 2024 Exchange are not registered under the Securities Act of 1933, as amended (the “ Securities Act ”), or other applicable securities laws, in reliance upon the exemption set forth in Section 4(a)(2) under the Securities Act. The Class A Common Stock issued to SPD Seller at the closing of the 2024 Exchange are subject to certain transfer restrictions set forth in the SPD Transaction Agreement. One share of…

Entry into a Material Definitive Agreement. On May 31, 2024, StepStone Group Inc., a Delaware corporation (the “ Company ”) and StepStone Group LP, a Delaware limited partnership (the “ Partnership ”), completed the first annual exchange (the “ 2024 Exchange ”) as part of the previously announced transactions to acquire equity interests of StepStone Group Real Estate LP, a Delaware limited partnership (“ SRE ”), StepStone Group Real Assets LP, a Delaware limited partnership (“ SIRA ”) and Ste…

as if fully set forth herein. The information included in, or furnished with, this report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Entry Into a Material Definitive Agreement. On May 16, 2024, StepStone Group LP (the “Borrower”), a subsidiary of StepStone Group Inc., a Delaware corporation (the “Company”), entered into an Amended and Restated Credit Agreement, among the Borrower, JPMorgan Chase Bank, N.A., as administrative agent and collateral agent, and certain other lenders party thereto (the “A&R Credit Agreement”). The Credit Agreement amends and restates that certain Credit Agreement, dated as of September 20, 2021,…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth in