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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )

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[ ] [ ] [ ] [X] [ ]			Preliminary Proxy Statement Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) Definitive Proxy Statement Definitive Additional Materials Soliciting Material Pursuant to Sec. 240.14a-11(c) or Sec. 240.14a-12

Touchstone Strategic Trust

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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May 2021

URGENT

Re: Your investment with Touchstone Dynamic Diversified Income Fund.

Dear Shareholder,

We have attempted to contact you regarding an important matter pertaining to your investment in Touchstone Dynamic Diversified Income Fund.

Please contact us immediately at 833-501-4214 Monday through Friday between the hours of 9:00 a.m. to 10:00 p.m. Eastern Time; or Saturday and Sunday between the hours of 10:00 a.m. to 6 p.m.

This matter is very important and will only take a moment of your time.

Broadridge Financial Solutions has been engaged by Touchstone Dynamic Diversified Income Fund to contact you.

Thank you in advance for your assistance with this matter.

Sincerely,

Michael Collins

Vice President and General Manager