Head Office

Janus Henderson Investors
201 Bishopsgate
London
EC2M 3AE
United Kingdom

T +44 (0)20 7818 1818
F +44 (0)20 7818 1819

Transfer Agent (Share Registrar)

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
Computershare
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
Queensway House
Hilgrove Street
St Helier
Jersey JE1 1ES

T +44 1534 281842
F +44 0370 873 5851

info@computershare.co.je

Australia

Janus Henderson Group Share Registry
GPO Box 4578
Melbourne VIC 8060

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
Computershare
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):

Henderson Group Share Registry
Queensway House
Hilgrove Street
St Helier
Jersey JE1 1ES
United Kingdom

T +44 1534 281842
F +44 0370 873 5851

web.queries@computershare.co.uk

If you hold CDIs listed on the ASX:

Janus Henderson Group Share Registry
GPO Box 4578
Melbourne VIC 8060
St Helier
Australia

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

web.queries@computershare.com.au

Investor Relations

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

Jim Kurtz
US Investor Relations Manager

Janus Henderson Group plc
151 Detroit Street
Denver, CO 80220
USA

T +1 (303) 336 4529

jim.kurtz@janushenderson.com
Melanie Horton
Non-US Investor Relations Manager

Janus Henderson Group plc
201 Bishopsgate
London EC2M 3AE
United Kingdom

T +44 (0)20 7818 2905

melanie.horton@janushenderson.com