If you are a Janus Henderson shareholder and have questions about your shares or need to change your shareholding details, please contact the Janus Henderson Group share registry / transfer agent:

United States

Janus Henderson Group Transfer Agent
P.O. Box 43078
Providence, RI 02940-3078

T (Toll Free): 866 638 5573
T (Non Toll Free): 781 575 2374

web.queries@computershare.com

United Kingdom

Janus Henderson Group Share Registry
The Pavilions
Bridgwater Road
Bristol BS13 8AE

T +44 (0) 370 703 0109

web.queries@computershare.co.uk

Australia

Janus Henderson Group Share Registry
GPO Box 4578
Melbourne VIC 3001

T +1300 137 981 or +61 (0)3 9415 4081
F +61 (0)3 9473 2500

web.queries@computershare.com.au

New Zealand

Janus Henderson Group Share Registry
Private Bag 92119
Auckland 1142

T +0800 888 017
F +64 (0)9 488 8787

web.queries@computershare.com.au

All other countries should use the contact details below:

If you hold stock on the NYSE:

Janus Henderson Group Transfer Agent
P.O. Box 43078
Providence, RI 02940-3078

T (Toll Free): 866 638 5573
T (Non Toll Free): 781 575 2374

web.queries@computershare.com

If you hold shares via the UK Depositary Interest (DI) or Corporate Sponsored Nominee service (CSN):

Janus Henderson Group Share Registry
The Pavilions
Bridgwater Road
Bristol BS13 8AE

T +44 (0) 370 703 0109

web.queries@computershare.co.uk

If you hold CDIs listed on the ASX:

Janus Henderson Group Share Registry
GPO Box 4578
Melbourne VIC 3001
Australia

T +61 3 9415 4081
F +61 3 9473 2500

web.queries@computershare.com.au

For global institutional investor enquiries relating to Janus Henderson Group shares, please contact:

Jim Kurtz
Head of Investor Relations

Janus Henderson Group plc
151 Detroit Street
Denver, CO 80206
USA

T +1 (303) 336 4529

jim.kurtz@janushenderson.com