13G Filing: Baker Bros. Advisors and Anacor Pharmaceuticals, Inc. (ANAC)

Page 9 of 10

Page 9 of 10 SEC Filing

Item 10. Certification.

By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired
and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and
were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Page 9 of 10 Pages

Follow Anacor Pharmaceuticals Inc. (NASDAQ:ANAC)

Page 9 of 10