Exhibit 32.1

Certification of Principal Executive Officer

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 (the “Report”) of ProShares Trust II (the “Registrant”) and each of its Funds, as filed with the U.S. Securities and Exchange Commission on the date hereof, I, Todd Johnson, the Principal Executive Officer of the Registrant, hereby certify, to the best of my knowledge, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Date: May 11, 2015 |  |  |  | By: |  | /s/ Todd Johnson
|  |  |  | Name: |  | Todd Johnson
|  |  |  | Title: |  | Principal Executive Officer ProShares Trust II