X0303 4 2011-06-10 1 0001372813 Animal Health International, Inc. AHII 0001381776 Charlesbank Equity Fund VI, Limited Partnership C/O CHARLESBANK CAPITAL PARTNERS LLC 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116 1 0 1 0 Common Stock 2011-06-10 4 D 0 6271892 4.25 D 0 D Deferred Stock Units 2011-06-10 4 D 0 200931 4.25 D Common Stock 200931 0 I See Footnotes Converted pursuant to the merger agreement by and among the issuer, Lextron, Inc. and Buffalo Acquisition, Inc. into the right to receive $4.25 per share in cash, without interest. Consisted of shares held directly by Charlesbank Equity Fund VI, Limited Partnership, and shares held by CB Offshore Equity Fund VI, L.P., Charlesbank Equity Coinvestment Fund VI, Limited Partnership and Charlesbank Coinvestment Partners, Limited Partnership, each an affiliated investment fund of Charlesbank Equity Fund VI, Limited Partnership. Charlesbank Capital Partners, LLC ("Charlesbank") is the general partner of Charlesbank Coinvestment Partners, Limited Partnership. Charlesbank is also the general partner of Charlesbank Equity Fund VI GP, Limited Partnership ("Charlesbank GP"), which is the general partner of Charlesbank Equity Fund VI, Limited Partnership, CB Offshore Equity Fund VI, L.P. and Charlesbank Equity Coinvestment Fund VI, Limited Partnership. Charlesbank and Charlesbank GP may be deemed to share voting and investment power with respect to all shares held by those entities and disclaims beneficial ownership of the reported securities except to the extent of their pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or any other purpose. These deferred stock units, each of which was the economic equivalent of one share of common stock in the accounts of Michael Eisenson, Mark Rosen and Brandon White, each a managing director of Charlesbank, were cancelled pursuant to the merger agreement in exchange for $4.25 per share of common stock underlying such deferred stock units in cash, without interest. The proceeds to be paid out in respect of these deferred stock units pursuant to the merger agreement will be paid (pro rata in relation to their current ownership of common stock of the Company) to Charlesbank Equity Fund VI, Limited Partnership, and CB Offshore Equity Fund VI, L.P., Charlesbank Equity Coinvestment Fund VI, Limited Partnership and Charlesbank Coinvestment Partners, Limited Partnership, each an affiliated investment fund of Charlesbank Equity Fund VI, Limited Partnership, pursuant to a contractual obligation of Messrs. Eisenson, Rosen and White to assign any fees received for service as a director. /s/ Tami E. Nason, Attorney-in-Fact 2011-06-10