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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`SUN PHARMACEUTICAL INDUSTRIES LTD.,
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`SUN PHARMA GLOBAL FZE and
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`AMNEAL PHARMACEUTICALS LLC,
`Petitioners
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`V.
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`ASTRAZENECA AB,
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`Patent Owner
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`Case No.2 Unassigned
`Patent No.: RE-44,186
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`PETITIONER AMNEAL PHARMACEUTICAL LLC’S
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`POWER OF ATTORNEY
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`Mail Stop “PA TENT BOARD”
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
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`P.O. Box 1450
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`Alexandria, VA 223 13-1450
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`Pursuant
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`to 37 C.F.R. § -42.10, Petitioner Arnneal Pharmaceuticals LLC
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`hereby appoints the following practitioners as its attorneys to prosecute and
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`transact all business in the Patent Trial and Appeal Board of the United States
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`Patent and Trademark Office in connection with a petition for inter partes review
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`of U.S. Patent No. RE44’186:
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`
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`Lead Counsel
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`Backup Counsel
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`Samuel S. Park (Reg. #59,656)
`Email: sparl<@winston.coII1
`WINSTON & STRAWN LLP
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`Andrew R. Sommer (Reg. #53332)
`Email: asommer@winston.com
`WINSTON & STRAWN LLP
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`35 W. Wacker Drive
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`1700 K Street NW
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`Chicago, IL 60601
`Telephone: (312) 558-7931
`Fax: (312) 558-5700
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`Washington, D.C. 20006-3817
`Telephone: (202) 282-5000
`Fax: (202) 282-5100
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`The undersigned is authorized to sign this Power of Attorney on behalf of
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`Petitioner Amneal Pharmaceuticals LLC.