EXHIBIT 32.2
CERTIFICATION OF CHIEF FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. 1350,
AS ADOPTED PURSUANT TOSECTION 906
OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Quarterly Report of GrubHub Inc. (the “Company”) on Form 10-Q for the fiscal quarter ended September 30, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Adam DeWitt, Chief Financial Officer and Treasurer of the Company, certify, as of the date hereof and solely for purposes of and pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:
| 1. | The Report fully complies with the requirements of section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and |
| 2. | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company at the dates and for the periods indicated. |
By: |
| /S/ Adam DeWitt |
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| Adam DeWitt |
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| President and Chief Financial Officer |
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Date: November 6, 2018