As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Southern: Wolverine Trading LLC, Squarepoint Ops LLC, Point72 Asset Management L.P., Maven Securities LTD, Millennium Management LLC, LMR Partners LLP, Group One Trading LLC, Eisler Capital Management Ltd., Cubist Systematic Strategies LLC, Citadel Advisors LLC, Capstone Investment Advisors LLC, BNP Paribas Financial Markets, Jane Street Group LLC, Tudor Investment Corp ET AL, Parallax Volatility Advisers L.P., Two Sigma Securities LLC, Susquehanna International Group LLP, Concourse Financial Group Securities Inc., PEAK6 LLC, Walleye Trading LLC, Walleye Capital LLC, Barclays PLC, Capital Fund Management S.A., Bank of Nova Scotia, Simplex Trading LLC, Garda Capital Partners LP, and IMC Chicago LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.