Citigroup Global Markets represents the corporate banking and capital markets arm of Citigroup's broader Corporate and Investment Banking group (CIB). The investment bank provides advisory services regarding mergers and acquisitions, divestitures, and financing. It is also involved in the underwriting and trading of debt, equities, and derivatives. May 21, 2014 · Shearman & Sterling represented Citigroup Global Markets Limited in an offering of €185 million 8.500% Senior Secured Notes due 2019 (the “Notes”) by Glasstank B.V., an indirect subsidiary of Yioula Glassworks S.A.