Exhibit 12(b)

I, Samuel S. Stewart, President and I, Cindy B. Firestone, Treasurer of Wasatch Funds Trust (the “Registrant”), each certify that:

1. The N-CSR of the Registrant (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) 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 Registrant.

By: /s/ Samuel S. Stewart, Jr.

Samuel S. Stewart, Jr.

President (principal executive officer) of Wasatch Funds Trust

Date: December 3, 2015

By: /s/ Cindy B. Firestone

Cindy B. Firestone

Treasurer (principal financial officer) of Wasatch Funds Trust

Date: December 3, 2015