Filed pursuant to Rule 424(b)(3)
Registration No. 333-256702
BLACKSTONE LONG-SHORT CREDIT INCOME FUND
Supplement No. 5, dated January 4, 2024, to the Prospectus (the Prospectus) and the Statement of Additional
Information (the SAI) dated July 30, 2021, for Common Shares of Beneficial Interest
Appointment of New Trustee, Chairman,
President and Chief Executive Officer
On December 18, 2023, the Board of Trustees elected Robert Zable to serve as Trustee,
Chairman, President and Chief Executive Officer of the Fund, effective January 1, 2024. Robert Zable is a Senior Managing Director and the Global Head of Blackstone Credits Liquid Credit Strategies group (LCS). Prior to being
appointed Global Head, Mr. Zable was Senior Portfolio Manager in charge of LCS U.S. CLO portfolios. Mr. Zable sits on the Global Syndicated Credit, US Syndicated Credit, Global Structured Credit and CLO Origination Investment
Committees. Prior to joining Blackstone Credit, then known as GSO Capital Partners, in 2007 Mr. Zable was a Vice President at FriedbergMilstein LLC, where he was responsible for credit opportunity investments and junior capital origination and
execution. Mr. Zable began his career at JP Morgan Securities Inc., where he focused on leveraged finance in New York and London. Mr. Zable received a BS from Cornell University and an M.B.A in Finance from The Wharton School at the
University of Pennsylvania. Mr. Zable was also elected to serve as Trustee, Chairman, President and Chief Executive Officer of Blackstone Floating Rate Enhanced Income Fund, Blackstone Senior Floating Rate 2027 Term Fund, and Blackstone
Strategic Credit 2027 Term Fund.
Mr. Zable replaces Daniel H. Smith as Trustee, Chairman, President and Chief Executive Officer of
the Fund.
Appointment of New Executive Vice President and Assistant Secretary
On December 18, 2023, the Board of Trustees elected Robert Post to serve as Executive Vice President and Assistant Secretary, effective
January 1, 2024. Mr. Post is a Principal and Portfolio Manager of the US leveraged loan and high yield strategies in Blackstone Credits LCS unit. Prior to joining Blackstone Credit in 2017, Mr. Post was a Junior Portfolio
Manager at BlackRock, where his responsibilities included various leveraged loan and high yield mandates. Previously, Mr. Post was an Analyst at BMO Capital Markets, where he was involved with the ongoing monitoring and structuring of leveraged
finance transactions. Mr. Post began his career at MetLife Investments as a credit analyst focused on corporate bonds. Mr. Post received a B.A. in Economics with a concentration in Financial Markets from Colby College. Mr. Post was
also elected to serve as Executive Vice President and Assistant Secretary of Blackstone Floating Rate Enhanced Income Fund, Blackstone Senior Floating Rate 2027 Term Fund, and Blackstone Strategic Credit 2027 Term Fund.
Mr. Post replaces Robert Zable as Executive Vice President and Assistant Secretary of the Fund.
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