EX-2.2 4 ecl_tpiv13dex22.htm EXHIBIT 2-2

CUSIP No. 876033408 Exhibit 2.2

Form of Amended Series D-1 Warrant to Purchase Common Stock (Incorporated herein by reference to Exhibit 4.7 to the Issuer’s Form 8-K filed with the U.S. Securities and Exchange Commission on August 11, 2016)