13D Filing: Champion River Ventures Ltd and Chromadex Corp (CDXC)

mutually agree upon the allocation between them of the shares to be issued in the Third Tranche. As a result, until the closing of the Third Tranche, each of Champion River and Pioneer Step may
be deemed to beneficially own the Shares beneficially owned by each other solely for such purposes. The aggregate number of Shares beneficially owned collectively by Champion River and Pioneer Step is 7,649,968, which represents approximately 16.6%
of the outstanding Shares, based upon 46,093,894 outstanding shares of the common stock of the Issuer, which represents 39,790,080 shares reported by the Issuer to be issued and outstanding as of May 10, 2017, as set forth in the Issuers
quarterly report on Form 10-Q, for the quarter ended April 1, 2017, as filed with the Securities and Exchange Commission on May 11, 2017, plus 3,782,288 shares and 2,521,526 shares issued to Champion
River Ventures Limited and Pioneer Step Holdings Limited, respectively, pursuant to the Purchase Agreement, as amended by the First Amendment.

The share
ownership reported by Champion River on this Schedule 13D does not include any Shares owned by Pioneer Step, and each of Champion River and the other Reporting Persons on this Schedule 13D disclaims beneficial ownership of any Shares owned by
Pioneer Step or any other person.

(c) Information with respect to all transactions in the Shares beneficially owned by the Reporting Persons that were
effected during the past sixty days is set forth in Item 4 and incorporated herein by reference.

(d) Not applicable.

(e) Not applicable.