SEC Filing Details

Document Details

Form

DEFA14A

Filing Date

Apr 09, 2026

Document Date

Apr 09, 2026

Form Description

Additional proxy soliciting materials - definitive

Filing Group

Proxy Filings

Company

Sixth Street Specialty Lending Inc.

Issuer

SIXTH STREET SPECIALTY LENDING, INC.

Filing Formats

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^*AUM is presented as of 12/31/2025, unless otherwise noted. AUM includes the net asset value, plus outstanding leverage and asset-based financing undrawn amounts, in respect of private investment funds, certain co-investment vehicles and accounts for which Sixth Street provides investment management or advisory services, as well as capital that such funds, vehicles and accounts have the right to call from investors pursuant to the terms of their capital commitments, and additional fundraising commitments and fund, vehicle and account liquidations through 12/31/2025. In the case of Sixth Street-managed business development companies, AUM reflects their total assets (i.e., gross of any fund-level liabilities) plus asset-based financing undrawn amounts, as well as capital that such companies have the right to call from investors pursuant to the terms of their capital commitments. With respect to Sixth Street-managed collateralized loan obligations, AUM reflects the face amount of debt and equity outstanding. AUM includes capital to be managed in connection with the strategic partnership discussed in the Sixth Street press release that can be accessed here. Calculation of AUM differs from the calculation of regulatory assets under management in Form ADV filings and may differ from the AUM calculation methodologies used by other investment managers.