Tredegar (TG) 10-K 2016 FY Annual report

Exhibit 23.3

CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the following Registration Statements of Tredegar Corporation:

(1) Registration Statement (Form S-8 No. 333-120132 pertaining to the Retirement Savings Plan)

(2) Registration Statement (Form S-8 No. 333-115423 pertaining to the 2004 Equity Incentive Plan)

(3) Registration Statement (Form S-8 No. 033-64647 pertaining to the Savings Plan for the Employees of Tredegar Industries, Inc.)

(4) Registration Statement (Form S-8 No. 333-66562 pertaining to the Retirement Savings Plan)

(5) Registration Statement (Form S-3 No. 033-57268)

of our report dated February 17, 2017, with respect to the consolidated financial statements of kaleo, Inc. and subsidiary, included as an Exhibit in this Annual Report (Form 10-K) for the year ended December 31, 2016.

/s/ Ernst & Young LLP

Richmond, VA

February 22, 2017