X0306 4 2015-11-23 1 0001583513 STG Group, Inc. STGG 0001326389 Polar Asset Management Partners Inc. SUITE 1900, P.O. BOX 19 TORONTO A6 M5H 2Y4 ONTARIO, CANADA 0 0 1 0 Common Stock 2015-11-23 4 J 0 755609 10.63 D 0 I See footnote Shares of Common Stock were redeemed pursuant to that certain Second Amended and Restated Backstop Common Stock Purchase Agreement, dated as of November 23, 2015, by and between the Issuer and Global Defense & National Security Holdings LLC, as described in the Issuer's Current Report on Form 8-K filed with the Securities and Exchange Commission on November 30, 2015. Polar Asset Management Partners Inc., a company incorporated under the laws on Ontario, Canada (the "Reporting Person"), serves as investment advisor to Polar Multi-Strategy Master Fund, a Cayman Islands exempted company ( "PMSF") and has investment discretion with respect to the securities reported herein which are held by PMSF. The Reporting Person disclaims beneficial ownership of such securities, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose, except to the extent of the Reporting Person's pecuniary interest therein. /s/ Robyn Schultz, Chief Compliance Officer 2016-02-16