Holding(s) in Company

In brief · summary, not quotable

Black Creek Investment Management Inc. has reduced its total voting rights in Morgan Advanced Materials PLC to 5.980945%, representing 16,558,058 voting rights, down from a previous holding of 6.030880%. This change, which occurred on January 27, 2026, involved the acquisition or disposal of voting rights, with the notification to the issuer completed on January 29, 2026. The investment management company advises multiple funds and clients, and while it exercises proxy voting rights for these holdings, a portion is managed by CI Investments Inc. on behalf of its funds.

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Issuer Details

ISIN

GB0006027295

Issuer Name

MORGAN ADVANCED MATERIALS PLC

UK or Non-UK Issuer

UK

Reason for Notification

An acquisition or disposal of voting rights

Details of person subject to the notification obligation

Name

Black Creek Investment Management Inc.

City of registered office (if applicable)

Toronto

Country of registered office (if applicable)

Canada

Details of the shareholder

City of registered office (if applicable)

Country of registered office (if applicable)

Date on which the threshold was crossed or reached

27-Jan-2026

Date on which Issuer notified

29-Jan-2026

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
Resulting situation on the date on which threshold was crossed or reached	5.980945	0.000000	5.980945	16558058
Position of previous notification (if applicable)		6.030880	0.000000	6.030880
8A. Voting rights attached to shares
Class/Type of shares ISIN code(if possible)	Number of direct voting rights (DTR5.1)	Number of indirect voting rights (DTR5.2.1)	% of direct voting rights (DTR5.1)	% of indirect voting rights (DTR5.2.1)
GB0006027295	2172349	14385709	0.784675	5.196270
Sub Total 8.A			16558058	5.980945%
8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))
Type of financial instrument	Expiration date	Exercise/conversion period	Number of voting rights that may be acquired if the instrument is exercised/converted	% of voting rights

Sub Total 8.B1

Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial instrument

Expiration date

Exercise/conversion period

Physical or cash settlement

Number of voting rights

% of voting rights

Sub Total 8.B2

Information in relation to the person subject to the notification obligation

Ultimate controlling person

Name of controlled undertaking

% 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

In case of proxy voting

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

Additional Information

The notifier is an investment management company. The shares are beneficially owned by 10 separate funds and clients which the notifier advises regarding their investment portfolios. Shares held directly are by funds for which the notifier also acts as investment fund manager. A portion of the shares are held by certain funds for which CI Investments Inc. ("CI") is the investment fund manager and trustee, and in aggregate the CI funds hold below 5% but over 4% total voting rights. The funds and clients give a proxy to the notifier who can exercise the voting rights for the shares in its own discretion for as long as the shares are held, with no expiry date.