Exhibit 31.3
Certification of Chief Executive Officer Pursuant to
Securities Exchange Act Rules 13a-14(a) and 15d-14(a)
as Adopted Pursuant to
Section 302 of the Sarbanes-Oxley Act of 2002
I, Marissa Mayer, certify that:
| 1. | I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K of Yahoo! Inc. for the year ended December 31, 2015; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
Dated: April 29, 2016
| By: |
/S/ MARISSA MAYER | |
| Marissa Mayer | ||
| Chief Executive Officer |