Holding(s) in Company

In brief · summary, not quotable

Canaccord Genuity Group Inc. has crossed a threshold on September 29, 2025, regarding major holdings in MyCelx Technologies Corporation. The notification, dated September 30, 2025, indicates that Canaccord Genuity's voting rights attached to shares now total 4.8755%, representing 24,363,814 voting rights. This is a decrease from the previous notification of 9.9928%. The change is due to the disposal of financial instruments. The full chain of controlled undertakings through which the voting rights are held includes Canaccord Genuity Wealth Group Holdings Limited, Canaccord Genuity Wealth Group Holdings (Jersey) Limited, Canaccord Genuity Wealth Group Limited and Canaccord Genuity Asset Management Ltd, each holding 4.8755%.

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1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ii :

MYCELX TECHNOLOGIES CORPORATION

Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)

Non-UK issuer

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

Other (please specify) iii :

Details of person subject to the notification obligation iv

Name	CANACCORD GENUITY GROUP INC
City and country of registered office (if applicable)	VANCOUVER, CANADA

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 reached vi :	29 SEPTEMBER 2025
6. Date on which issuer notified (DD/MM/YYYY):	30 SEPTEMBER 2025

Total positions of person(s) subject to the notification obligation

	% of voting rights attached to shares (total 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		4.8755	4.8755	24,363,814
Position of previous notification (if applicable)			9.9928	9.9928
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)			Number of voting rights ix	% of voting rights
Direct (DTR5.1)		Indirect (DTR5.2.1)	Direct (DTR5.1)	Indirect (DTR5.2.1)
US62847T2024			24,363,814	4.8755
SUBTOTAL 8. A			24,363,814	4.8755
B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial instrument	Expiration date x	Exercise/ Conversion Period xi	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	Physical or cash settlement xii	Number of voting rights	% of voting rights
SUBTOTAL 8.B.2
Name xv	% 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.		4.8755	4.8755
Canaccord Genuity Wealth Group Holdings Limited		4.8755	4.8755
Canaccord Genuity Wealth Group Holdings (Jersey) Limited		4.8755	4.8755
Canaccord Genuity Wealth Group Limited		4.8755	4.8755
Canaccord Genuity Asset Management Ltd		4.8755	4.8755