Form 8.3

LONDON--(BUSINESS WIRE)-- 

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE

Rule 8.3 of the Takeover Code (the “Code”)

1. KEY INFORMATION

(a) Full name of discloser:	Qube Research & Technologies Limited
(b) Owner or controller of interests and short positions disclosed, if different from 1(a): The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.
(c) Name of offeror/offeree in relation to whose relevant securities this form relates: Use a separate form for each offeror/offeree	GAMMA COMMUNICATIONS PLC
(d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree:
(e) Date position held/dealing undertaken: For an opening position disclosure, state the latest practicable date prior to the disclosure	08-07-2026
(f) In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer? If it is a cash offer or possible cash offer, state “N/A”	N/A

2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE

If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security.

(a) Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any)

Class of relevant security:	0.25p ordinary
	Interests		Short positions
	Number	%	Number	%
(1) Relevant securities owned and/or controlled:	0	0.00	0	0.00
(2) Cash-settled derivatives:	997,299	1.11	118,666	0.13
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:	0	0.00	0	0.00
TOTAL:	997,299	1.11	118,666	0.13

All interests and all short positions should be disclosed.

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

(b) Rights to subscribe for new securities (including directors’ and other employee options)

Class of relevant security in relation to which subscription right exists:	0
Details, including nature of the rights concerned and relevant percentages:	0

3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in.

The currency of all prices and other monetary amounts should be stated.

(a) Purchases and sales

Class of relevant security

Purchase/sale

Number of securities

Price per unit (GBp)

(b) Cash-settled derivative transactions

Class of relevant security	Product description e.g. call option	Nature of dealing e.g. opening/closing a long/short position, increasing/reducing a long/short position	Number of securities	Exercise price per unit (GBp)
0.25p ordinary	equity swap	decreasing a long position	294	812.50
0.25p ordinary	equity swap	decreasing a long position	291	813.50
0.25p ordinary	equity swap	decreasing a long position	926	814.00
0.25p ordinary	equity swap	decreasing a long position	6097	814.50
0.25p ordinary	equity swap	decreasing a long position	4912	815.00
0.25p ordinary	equity swap	decreasing a long position	135	816.00
0.25p ordinary	equity swap	decreasing a long position	642	817.00
0.25p ordinary	equity swap	decreasing a long position	410	817.50
0.25p ordinary	equity swap	decreasing a long position	50	818.00
0.25p ordinary	equity swap	decreasing a long position	1135	818.50
0.25p ordinary	equity swap	decreasing a long position	407	819.00
0.25p ordinary	equity swap	decreasing a long position	104	819.50
0.25p ordinary	equity swap	decreasing a long position	1106	819.75
0.25p ordinary	equity swap	decreasing a long position	76	820.50
0.25p ordinary	equity swap	decreasing a long position	99	823.00
0.25p ordinary	equity swap	decreasing a long position	198	825.50
0.25p ordinary	equity swap	decreasing a long position	40	826.50
0.25p ordinary	equity swap	decreasing a long position	245	828.00
0.25p ordinary	equity swap	decreasing a long position	180	829.00
0.25p ordinary	equity swap	decreasing a long position	54544	886.00
0.25p ordinary	equity swap	decreasing a long position	1589	886.50
0.25p ordinary	equity swap	decreasing a long position	365	886.75
0.25p ordinary	equity swap	decreasing a long position	582	887.25
0.25p ordinary	equity swap	decreasing a long position	386	887.50
0.25p ordinary	equity swap	decreasing a long position	432	889.75
0.25p ordinary	equity swap	decreasing a short position	565	808.50
0.25p ordinary	equity swap	decreasing a short position	73	809.00
0.25p ordinary	equity swap	decreasing a short position	56	809.50
0.25p ordinary	equity swap	decreasing a short position	65	813.00
0.25p ordinary	equity swap	decreasing a short position	18485	815.50
0.25p ordinary	equity swap	decreasing a short position	44	815.75
0.25p ordinary	equity swap	decreasing a short position	44	816.25
0.25p ordinary	equity swap	decreasing a short position	273	816.50
0.25p ordinary	equity swap	decreasing a short position	77	816.75
0.25p ordinary	equity swap	decreasing a short position	482	817.50
0.25p ordinary	equity swap	decreasing a short position	76	818.50
0.25p ordinary	equity swap	decreasing a short position	386	819.00
0.25p ordinary	equity swap	decreasing a short position	76	827.00
0.25p ordinary	equity swap	decreasing a short position	72	829.25
0.25p ordinary	equity swap	decreasing a short position	72	831.00
0.25p ordinary	equity swap	decreasing a short position	100	831.50
0.25p ordinary	equity swap	decreasing a short position	76	831.75
0.25p ordinary	equity swap	decreasing a short position	281	833.00
0.25p ordinary	equity swap	decreasing a short position	141	842.00
0.25p ordinary	equity swap	decreasing a short position	428	843.00
0.25p ordinary	equity swap	decreasing a short position	517	862.50
0.25p ordinary	equity swap	decreasing a short position	72	864.00
0.25p ordinary	equity swap	decreasing a short position	7603	864.50
0.25p ordinary	equity swap	decreasing a short position	243	865.00
0.25p ordinary	equity swap	decreasing a short position	205	865.50
0.25p ordinary	equity swap	decreasing a short position	638	867.50
0.25p ordinary	equity swap	decreasing a short position	121	869.50
0.25p ordinary	equity swap	decreasing a short position	15	870.00
0.25p ordinary	equity swap	decreasing a short position	1490	873.50
0.25p ordinary	equity swap	decreasing a short position	2915	875.00
0.25p ordinary	equity swap	decreasing a short position	285	878.00
0.25p ordinary	equity swap	decreasing a short position	98	881.00
0.25p ordinary	equity swap	decreasing a short position	110	884.50
0.25p ordinary	equity swap	decreasing a short position	1595	886.00
0.25p ordinary	equity swap	decreasing a short position	29	886.50
0.25p ordinary	equity swap	decreasing a short position	227	889.00
0.25p ordinary	equity swap	decreasing a short position	80	890.00
0.25p ordinary	equity swap	decreasing a short position	109	891.00
0.25p ordinary	equity swap	decreasing a short position	2915	894.00
0.25p ordinary	equity swap	increasing a long position	368	807.25
0.25p ordinary	equity swap	increasing a long position	301	807.50
0.25p ordinary	equity swap	increasing a long position	460	808.00
0.25p ordinary	equity swap	increasing a long position	749	814.25
0.25p ordinary	equity swap	increasing a long position	2668	815.50
0.25p ordinary	equity swap	increasing a long position	312	816.00
0.25p ordinary	equity swap	increasing a long position	431	816.25
0.25p ordinary	equity swap	increasing a long position	440	817.00
0.25p ordinary	equity swap	increasing a long position	278	817.50
0.25p ordinary	equity swap	increasing a long position	549	890.00
0.25p ordinary	equity swap	increasing a long position	1115	894.00
0.25p ordinary	equity swap	increasing a short position	530	806.50
0.25p ordinary	equity swap	increasing a short position	183	809.50
0.25p ordinary	equity swap	increasing a short position	408	810.00
0.25p ordinary	equity swap	increasing a short position	44	811.50
0.25p ordinary	equity swap	increasing a short position	73	814.25
0.25p ordinary	equity swap	increasing a short position	4265	815.00
0.25p ordinary	equity swap	increasing a short position	77	817.00
0.25p ordinary	equity swap	increasing a short position	72	818.25
0.25p ordinary	equity swap	increasing a short position	281	819.00
0.25p ordinary	equity swap	increasing a short position	76	819.50
0.25p ordinary	equity swap	increasing a short position	73	825.50
0.25p ordinary	equity swap	increasing a short position	2481	826.00
0.25p ordinary	equity swap	increasing a short position	95	827.00
0.25p ordinary	equity swap	increasing a short position	188	828.00
0.25p ordinary	equity swap	increasing a short position	105	865.00
0.25p ordinary	equity swap	increasing a short position	2092	866.50
0.25p ordinary	equity swap	increasing a short position	686	868.00
0.25p ordinary	equity swap	increasing a short position	5436	872.50
0.25p ordinary	equity swap	increasing a short position	200	873.50
0.25p ordinary	equity swap	increasing a short position	15017	886.00
0.25p ordinary	equity swap	increasing a short position	168	888.00
0.25p ordinary	equity swap	increasing a short position	46	890.00
0.25p ordinary	equity swap	increasing a short position	40	891.25
0.25p ordinary	equity swap	increasing a short position	411	892.00
0.25p ordinary	equity swap	increasing a short position	529	896.50

(c) Stock-settled derivative transactions (including options)

(i) Writing, selling, purchasing or varying

Class of relevant security

Product description e.g. call option

Writing, purchasing, selling, varying etc.

Number of securities to which option relates

Exercise price per unit (CCY0)

Type e.g. American, European etc.

Expiry date

Option money paid/ received per unit (CCY0)

(ii) Exercise

Class of relevant security	Product description e.g. call option	Exercising/ exercised against	Number of securities	Exercise price per unit
0	0	0	0	0

(d) Other dealings (including subscribing for new securities)

Class of relevant security	Nature of dealing e.g. subscription, conversion	Details	Price per unit (if applicable)
0	0	0	0

4. OTHER INFORMATION

(a) Indemnity and other dealing arrangements

Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the disclosure and any party to the offer or any person acting in concert with a party to the offer: Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state “none”

None

(b) Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and any other person relating to: (i) the voting rights of any relevant securities under any option; or (ii) the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced: If there are no such agreements, arrangements or understandings, state “none”

None

(c) Attachments

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:	09-07-2026
Contact name:	Janice Falcao
Telephone number:	00442033140679

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.

The Panel’s Market Surveillance Unit is available for consultation in relation to the Code’s disclosure requirements on [phone]. The Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk.