X0306 4 2013-12-13 0 0001303849 Avantair, Inc AAIR 0001353316 Hound Partners, LLC 101 PARK AVENUE 48TH FLOOR NEW YORK NY 10178 0 0 1 0 0001375882 Hound Performance, LLC 101 PARK AVENUE 48TH FLOOR NEW YORK NY 10178 0 0 1 0 0001176208 AUERBACH JONATHAN A G 101 PARK AVENUE 48TH FLOOR NEW YORK NY 10178 0 0 1 0 Common Stock $.0001 par value per share 2013-12-13 2013-12-13 4 S 0 692263 .0024 D 368421 I By Hound Partners Offshore Fund, LP Common Stock $.0001 par value per share 2013-12-13 2013-12-13 4 S 0 119756 .0024 D 0 I By Hound Partners, LLC The securities are held in the account of Hound Partners Offshore Fund, LP and may be deemed to be beneficially owned by (a) Hound Performance, LLC, the general partner of Hound Partners Offshore Fund, LP; (b) Hound Partners, LLC, the investment manager of Hound Partners Offshore Fund, LP and (c) Jonathan Auerbach, the managing member of Hound Performance, LLC and Hound Partners, LLC. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of his or its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. The securities sold include securities that were previously held by Hound Partners, LP, a private fund that now invests through Hound Partners Offshore Fund, LP. The securities are held in a separately managed account managed by Hound Partners, LLC and may be deemed to be beneficially owned by (a) Hound Partners, LLC and (b) Jonathan Auerbach, the managing member of Hound Partners, LLC. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of his or its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Hound Partners, LLC, By: /s/ Jonathan Auerbach, Managing Member 2013-12-17 Hound Performance, LLC, By: /s/ Jonathan Auerbach, Managing Member 2013-12-17 /s/ Jonathan Auerbach 2013-12-17