Form S-1 •fable of Contents SIGNATURES Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant has duly caused this Registration Statement or amendment thereto to be signed on its behalf by the undersigned, thereunto duly authorized, in Wilton, State of Connecticut. on the 10th day of June. 2015. Blue Buffalo Pet Products. Inc. By: /s/ Kurt Schmidt Name: Kun Schmidt Tide: Chief Executive Officer POWER OF ATTORNEY Know all men by these presents, that each person whose signature appears below hereby constitutes and appoints Richard MacLean and Karen McCarthy, and each of them, any of whom may act without joinder of the other, the individual's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the person and in his or her name, place and stead, in any and all capacities, to sign this Registration Statement and any or all amendments, including post-effective amendments to the Registration Statement, including a prospectus or an amended prospectus therein and any Registration Statement for the same offering that is to be effective upon filing pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and all other documents in connection therewith to be filed with the Securities and Exchange Commission. granting unto said attorneys-in-fact and agents. and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person. hereby ratifying and confirming all that said attorneys-in-fact as agents or any of them, or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof. Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement or amendment thereto has been signet by the following persons in the capacities indicated on the 10th day