Dear Valued Shareholder,

This is [agent] with Alliance Advisors, on behalf of your Janus Henderson ETF.

Your fund's board has unanimously approved a new investment advisory agreement to permit Janus Henderson to continue managing your fund following the proposed acquisition of Janus Henderson by Trian and General Catalyst.

At the meeting, shareholders are being asked to vote to approve the new investment advisory agreement.

You may submit your vote online or call 1-855-206-2309 for assistance.

[Individual Link here]

To review the meeting proposal, please click the following link:

https://www.sec.gov/Archives/edgar/data/1500604/000119312526085616/d24816ddef14a.htm

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