South Street Securities Sponsoring Absolute Collateral's New York Capital Markets Event, Featuring CEO James Tabacchi on UST Clearing Mandates Panel

South Street Securities LLC is excited to announce that we are sponsoring the upcoming Absolute Collateral New York Capital Markets Event. CEO of South Street Securities Holdings, James Tabacchi, will join a panel discussing UST clearing mandates with BOA Clearing and more, moderated by StoneX.

Event Details:

Date: Tuesday, September 15, 2026

Time: 1:00 PM - 6:00 PM ET

Location: New York (Venue TBC)

Register: https://absolutecollateral.com/ny-15sep26

Following a series of successful regional events, Absolute Collateral is bringing an afternoon of market dialogue to New York City. The event will convene global buy- and sell-side participants, with a focus on repos, securities lending, collateral management, post-trade operations, and innovation at the intersection of traditional and digital finance.

As a sponsor, South Street Securities is proud to participate in the event, joining industry peers to discuss UST clearing and its implications for the broader collateral landscape.

Absolute Collateral is a market coordination platform that shapes how liquidity, collateral, and access are structured across modern capital markets. They operate at the intersection of trading, collateral, clearing, and digital infrastructure-helping institutions move from fragmented participation to connected, resilient market design.

To view the full agenda and register, visit https://absolutecollateral.com/.

About South Street Securities LLC

South Street Securities LLC is a leading independent provider of specialized financing, servicing capital markets institutional asset managers (including traditional and hedge fund managers), real estate investment trusts ("REITs"), tri-party investors, mortgage lenders, midsize and middle market securities broker dealers, and corporate and government issuers. South Street Securities is a FICC Tier 1 member and a member of several major regulatory agencies, including FINRA, SIPC and NFA. The company operates from its New York headquarters and specializes in the following services: Repo dealer financing US Treasuries, Agency MBS, TBA Mortgage Origination Hedging and Algorithmic Trade Execution.

About South Street Securities Holdings Inc.

South Street Securities Holdings Inc. operates through its subsidiaries. Affiliates include South Street Securities LLC, a broker-dealer focused on repo dealer financing US Treasuries, Agency MBS, TBA Mortgage Origination Hedging and Algorithmic Trade Execution, Matrix Applications LLC, a technology and back-office services company, AmeriVet Securities, Inc., a Service-Disabled Veteran-Owned broker-dealer, and GX2 Systems LLC, a fintech software development company that engineers electronic trading solutions for the fixed income and futures markets.