ROSSLYN DATA TECHNOLOGIES PLC — Major Shareholding Notification 2026

Apr 2, 2026

National Storage Mechanism | Additional information

RNS Number : 3136Z

Rosslyn Data Technologies PLC

02 April 2026

TR-1: Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)i
1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attachedii:			ROSSLYN DATA TECHNOLOGIES PLC
1b. Please indicate if the issuer is a non-UK issuer  (please mark with an "X" if appropriate)
Non-UK issuer
2. Reason for the notification (please mark the appropriate box or boxes with an "X")
An acquisition or disposal of voting rights
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights						X
Other (please specify)iii:
3. Details of person subject to the notification obligationiv
Name			CANACCORD GENUITY GROUP INC
City and country of registered office (if applicable)			VANCOUVER, CANADA
4. Full name of shareholder(s) (if different from 3.)v
Name			DISCRETIONARY CLIENTS
City and country of registered office (if applicable)			As above
5. Date on which the threshold was crossed or reachedvi:			31 MARCH 2026
6. Date on which issuer notified (DD/MM/YYYY):			01 APRIL 2026
7. Total positions of person(s) subject to the notification obligation
	% of voting rights attached to shares (tol of 8. A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)		Total of both in % (8.A + 8.B)	Total number of voting rights held in issuer (8.A + 8.B) vii
Resulting situation on the date on which threshold was crossed or reached	16.1809			16.1809	13,169,075
Position of previous notification (if applicable)	17.9342	`		17.9342

8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)	Number of voting rightsix		% of voting rights
Direct (DTR5.1)	Indirect  (DTR5.2.1)	Direct (DTR5.1)	Indirect (DTR5.2.1)
GB00BMV2DB09		13,169,075		16.1809

SUBTOTAL 8. A		13,169,075				16.1809
B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial instrument		Expiration datex	Exercise/ Conversion Periodxi		Number of voting rights that may be acquired if the instrument is exercised/converted.			% of voting rights
			SUBTOTAL 8. B 1
B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
Type of financial instrument	Expiration datex		Exercise/ Conversion Period xi	Physical or cash settlementxii			Number of voting rights	% of voting rights
				SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuerxiii
Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv (please add additional rows as necessary)				X
Namexv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
Canaccord Genuity Group Inc.	16.1809		16.1809
Canaccord Genuity Wealth Group Holdings Limited	16.1809		16.1809
Canaccord Genuity Wealth Group Holdings (Jersey) Limited	16.1809		16.1809
Canaccord Genuity Wealth Group Limited	16.1809		16.1809
Canaccord Genuity Asset Management Limited	16.1809		16.1809
10. In case of proxy voting, please identify:
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held
11. Additional informationxvi
The change in the percentage of shares held is due to dilution caused by the issue of "Firm Placing" shares by Rosslyn Data Technologies plc, which were admitted to trading on AIM on 31/03/2026.

Place of completion	BLACKPOOL, ENGLAND
Date of completion	01 APRIL 2026

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