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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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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August 21, 2023

Touchstone Dynamic Allocation Fund

DEAR SHAREHOLDER,

The Touchstone Dynamic Allocation Fund ("Target Fund") Special Meeting of Shareholders ("Meeting") will be held on August 29, 2023. Shareholders are being asked to consider the approval of a Plan of Reorganization ("Plan") to reorganize the Target Fund into the Touchstone Dynamic International ETF ("Acquiring ETF"). The Acquiring ETF has the same investment goal and similar investment strategies as the Target Fund, as discussed in the Proxy Statement/Prospectus that you recently received. We continue to receive strong support for the Plan.

As of the date of this letter there are eight days until the Meeting, but there is time to submit your vote. To date, we have not received your vote. Please join your fellow shareholders by taking a few minutes to sign, date and mail the enclosed proxy card in the prepaid envelope or follow the instructions below to vote by telephone or internet.

Vote by Phone by calling 1-888-575-2251 and speaking with a proxy voting specialist today. Our representatives are available weekdays from 10am to 11pm Eastern time. You may also call the toll-free number on the enclosed card and follow the prompts.

:Vote by Internet by visiting the internet address on the enclosed card and following the instructions.

*Vote by Mail by completing, signing, and dating the enclosed card and returning it in the enclosed prepaid return envelope.

If you have any questions or need assistance in voting, please contact our proxy solicitor, Morrow Sodali Fund Solutions ("MSFS") at 1-888-575-2251. Please note that an MSFS representative may call you to assist in voting.

Thank you,

/s/E. Blake Moore, Jr.

E. BLAKE MOORE, JR.

PRESIDENT,

TOUCHSTONE STRATEGIC TRUST

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