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	08-04-2026
(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:	837,152	0.92	0	0.00
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:	0	0.00	0	0.00
TOTAL:	837,152	0.92	0	0.00

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	131	803.00
0.25p ordinary	equity swap	decreasing a long position	198	803.50
0.25p ordinary	equity swap	decreasing a long position	48	806.50
0.25p ordinary	equity swap	decreasing a long position	340	814.40
0.25p ordinary	equity swap	decreasing a long position	1000	815.00
0.25p ordinary	equity swap	decreasing a long position	195	816.20
0.25p ordinary	equity swap	decreasing a long position	68	816.60
0.25p ordinary	equity swap	decreasing a long position	146	819.30
0.25p ordinary	equity swap	decreasing a long position	2407	821.00
0.25p ordinary	equity swap	decreasing a long position	47	822.50
0.25p ordinary	equity swap	decreasing a long position	391	823.40
0.25p ordinary	equity swap	decreasing a long position	272	823.80
0.25p ordinary	equity swap	decreasing a long position	232	823.90
0.25p ordinary	equity swap	decreasing a long position	1381	824.00
0.25p ordinary	equity swap	decreasing a long position	290	824.10
0.25p ordinary	equity swap	decreasing a long position	116	824.20
0.25p ordinary	equity swap	decreasing a long position	47	824.30
0.25p ordinary	equity swap	decreasing a long position	887	824.40
0.25p ordinary	equity swap	decreasing a long position	260	824.50
0.25p ordinary	equity swap	decreasing a long position	6427	825.00
0.25p ordinary	equity swap	decreasing a long position	441	825.10
0.25p ordinary	equity swap	decreasing a long position	47	825.20
0.25p ordinary	equity swap	decreasing a long position	661	825.40
0.25p ordinary	equity swap	decreasing a long position	296	825.70
0.25p ordinary	equity swap	decreasing a long position	278	826.10
0.25p ordinary	equity swap	decreasing a long position	257	826.50
0.25p ordinary	equity swap	decreasing a long position	400	826.60
0.25p ordinary	equity swap	decreasing a long position	155	826.80
0.25p ordinary	equity swap	decreasing a long position	1329	827.00
0.25p ordinary	equity swap	decreasing a long position	34	827.20
0.25p ordinary	equity swap	decreasing a long position	287	827.30
0.25p ordinary	equity swap	decreasing a long position	373	827.40
0.25p ordinary	equity swap	decreasing a long position	555	827.60
0.25p ordinary	equity swap	decreasing a long position	1386	828.00
0.25p ordinary	equity swap	decreasing a long position	298	828.10
0.25p ordinary	equity swap	decreasing a long position	237	828.20
0.25p ordinary	equity swap	decreasing a long position	1039	828.40
0.25p ordinary	equity swap	decreasing a long position	276	828.50
0.25p ordinary	equity swap	decreasing a long position	693	828.60
0.25p ordinary	equity swap	decreasing a long position	289	828.70
0.25p ordinary	equity swap	decreasing a long position	366	828.80
0.25p ordinary	equity swap	decreasing a long position	4517	829.00
0.25p ordinary	equity swap	decreasing a long position	1024	829.20
0.25p ordinary	equity swap	decreasing a long position	1801	829.40
0.25p ordinary	equity swap	decreasing a long position	415	829.60
0.25p ordinary	equity swap	decreasing a long position	47	829.80
0.25p ordinary	equity swap	decreasing a long position	3947	830.00
0.25p ordinary	equity swap	decreasing a long position	301	830.10
0.25p ordinary	equity swap	decreasing a long position	1299	830.20
0.25p ordinary	equity swap	decreasing a long position	303	830.40
0.25p ordinary	equity swap	decreasing a long position	286	830.80
0.25p ordinary	equity swap	decreasing a long position	480	830.90
0.25p ordinary	equity swap	decreasing a long position	381	831.60
0.25p ordinary	equity swap	decreasing a long position	35	831.80
0.25p ordinary	equity swap	decreasing a long position	769	832.00
0.25p ordinary	equity swap	decreasing a long position	348	832.10
0.25p ordinary	equity swap	decreasing a long position	383	832.20
0.25p ordinary	equity swap	decreasing a long position	1266	832.60
0.25p ordinary	equity swap	decreasing a long position	287	832.80
0.25p ordinary	equity swap	decreasing a long position	1099	833.00
0.25p ordinary	equity swap	decreasing a long position	110	833.40
0.25p ordinary	equity swap	decreasing a long position	373	833.70
0.25p ordinary	equity swap	decreasing a long position	375	834.00
0.25p ordinary	equity swap	decreasing a long position	432	834.20
0.25p ordinary	equity swap	decreasing a long position	233	834.30
0.25p ordinary	equity swap	decreasing a long position	253	834.40
0.25p ordinary	equity swap	decreasing a long position	678	834.60
0.25p ordinary	equity swap	decreasing a long position	332	834.80
0.25p ordinary	equity swap	decreasing a long position	2228	835.00
0.25p ordinary	equity swap	decreasing a long position	896	835.40
0.25p ordinary	equity swap	decreasing a long position	796	835.60
0.25p ordinary	equity swap	decreasing a long position	771	836.00
0.25p ordinary	equity swap	decreasing a long position	75	836.20
0.25p ordinary	equity swap	decreasing a long position	877	836.40
0.25p ordinary	equity swap	decreasing a long position	229	836.60
0.25p ordinary	equity swap	decreasing a long position	126	836.80
0.25p ordinary	equity swap	decreasing a long position	5220	838.00
0.25p ordinary	equity swap	decreasing a long position	1211	838.20
0.25p ordinary	equity swap	decreasing a long position	403	838.40
0.25p ordinary	equity swap	decreasing a long position	158	838.60
0.25p ordinary	equity swap	decreasing a long position	705	839.00
0.25p ordinary	equity swap	decreasing a long position	284	839.40
0.25p ordinary	equity swap	decreasing a long position	92	839.70
0.25p ordinary	equity swap	decreasing a long position	350	840.00
0.25p ordinary	equity swap	decreasing a long position	46	840.30
0.25p ordinary	equity swap	decreasing a long position	48	840.40
0.25p ordinary	equity swap	decreasing a long position	463	840.60
0.25p ordinary	equity swap	decreasing a long position	229	840.80
0.25p ordinary	equity swap	decreasing a long position	414	841.20
0.25p ordinary	equity swap	decreasing a long position	278	842.40
0.25p ordinary	equity swap	decreasing a long position	503	842.60
0.25p ordinary	equity swap	decreasing a long position	288	843.70
0.25p ordinary	equity swap	decreasing a long position	180	843.80
0.25p ordinary	equity swap	decreasing a long position	879	845.80
0.25p ordinary	equity swap	decreasing a long position	1571	846.00
0.25p ordinary	equity swap	decreasing a long position	295	846.20
0.25p ordinary	equity swap	decreasing a long position	194	847.00
0.25p ordinary	equity swap	decreasing a long position	330	847.20
0.25p ordinary	equity swap	decreasing a long position	342	847.40
0.25p ordinary	equity swap	decreasing a long position	369	847.60
0.25p ordinary	equity swap	decreasing a long position	1515	847.80
0.25p ordinary	equity swap	decreasing a long position	423	848.20
0.25p ordinary	equity swap	decreasing a long position	1312	848.40
0.25p ordinary	equity swap	decreasing a long position	91	848.60
0.25p ordinary	equity swap	decreasing a long position	733	849.00
0.25p ordinary	equity swap	decreasing a long position	1129	849.20
0.25p ordinary	equity swap	decreasing a long position	582	849.40
0.25p ordinary	equity swap	decreasing a long position	490	849.50
0.25p ordinary	equity swap	decreasing a long position	526	849.60
0.25p ordinary	equity swap	decreasing a long position	719	849.80
0.25p ordinary	equity swap	decreasing a long position	359	849.90
0.25p ordinary	equity swap	decreasing a long position	1090	850.00
0.25p ordinary	equity swap	decreasing a long position	1427	850.20
0.25p ordinary	equity swap	decreasing a long position	1466	850.40
0.25p ordinary	equity swap	decreasing a long position	819	850.60
0.25p ordinary	equity swap	decreasing a long position	542	850.80
0.25p ordinary	equity swap	decreasing a long position	200	851.00
0.25p ordinary	equity swap	decreasing a long position	1081	851.20
0.25p ordinary	equity swap	decreasing a long position	1325	851.40
0.25p ordinary	equity swap	decreasing a long position	1253	851.60
0.25p ordinary	equity swap	decreasing a long position	855	851.80
0.25p ordinary	equity swap	decreasing a long position	354	852.00
0.25p ordinary	equity swap	decreasing a long position	586	852.20
0.25p ordinary	equity swap	decreasing a long position	978	852.40
0.25p ordinary	equity swap	decreasing a long position	348	852.80
0.25p ordinary	equity swap	decreasing a long position	926	852.90
0.25p ordinary	equity swap	decreasing a long position	628	853.00
0.25p ordinary	equity swap	decreasing a long position	55	853.20
0.25p ordinary	equity swap	decreasing a long position	263	853.60
0.25p ordinary	equity swap	decreasing a long position	925	853.80
0.25p ordinary	equity swap	decreasing a long position	60957	854.20
0.25p ordinary	equity swap	decreasing a long position	415	854.50
0.25p ordinary	equity swap	decreasing a long position	281	855.00
0.25p ordinary	equity swap	decreasing a long position	30	855.20
0.25p ordinary	equity swap	decreasing a long position	33	855.60
0.25p ordinary	equity swap	decreasing a long position	810	856.00
0.25p ordinary	equity swap	decreasing a long position	91	856.10
0.25p ordinary	equity swap	decreasing a long position	957	856.20
0.25p ordinary	equity swap	decreasing a long position	1511	856.40
0.25p ordinary	equity swap	decreasing a long position	430	856.60
0.25p ordinary	equity swap	decreasing a long position	524	857.00
0.25p ordinary	equity swap	decreasing a long position	232	857.30
0.25p ordinary	equity swap	decreasing a long position	352	857.40
0.25p ordinary	equity swap	decreasing a long position	321	857.50
0.25p ordinary	equity swap	decreasing a long position	1664	857.60
0.25p ordinary	equity swap	decreasing a long position	1759	857.80
0.25p ordinary	equity swap	decreasing a long position	1275	858.00
0.25p ordinary	equity swap	decreasing a long position	208	858.40
0.25p ordinary	equity swap	decreasing a long position	759	858.80
0.25p ordinary	equity swap	decreasing a long position	512	858.90
0.25p ordinary	equity swap	decreasing a long position	711	859.20
0.25p ordinary	equity swap	decreasing a long position	963	859.40
0.25p ordinary	equity swap	decreasing a long position	882	859.60
0.25p ordinary	equity swap	decreasing a long position	464	859.70
0.25p ordinary	equity swap	decreasing a long position	410	859.80
0.25p ordinary	equity swap	decreasing a long position	1071	860.00
0.25p ordinary	equity swap	decreasing a long position	632	860.20
0.25p ordinary	equity swap	decreasing a long position	2410	860.60
0.25p ordinary	equity swap	decreasing a long position	889	860.80
0.25p ordinary	equity swap	decreasing a long position	626	861.00
0.25p ordinary	equity swap	decreasing a long position	598	861.20
0.25p ordinary	equity swap	decreasing a long position	1473	861.40
0.25p ordinary	equity swap	decreasing a long position	1185	861.60
0.25p ordinary	equity swap	decreasing a long position	2972	861.80
0.25p ordinary	equity swap	decreasing a long position	804	862.00
0.25p ordinary	equity swap	decreasing a long position	1789	862.20
0.25p ordinary	equity swap	decreasing a long position	799	862.40
0.25p ordinary	equity swap	decreasing a long position	1444	862.60
0.25p ordinary	equity swap	decreasing a long position	1184	862.80
0.25p ordinary	equity swap	decreasing a long position	123	863.00
0.25p ordinary	equity swap	decreasing a long position	1674	863.20
0.25p ordinary	equity swap	decreasing a long position	1468	863.40
0.25p ordinary	equity swap	decreasing a long position	937	863.60
0.25p ordinary	equity swap	decreasing a long position	600	863.80
0.25p ordinary	equity swap	decreasing a long position	383	863.90
0.25p ordinary	equity swap	decreasing a long position	2715	864.00
0.25p ordinary	equity swap	decreasing a long position	606	864.10
0.25p ordinary	equity swap	decreasing a long position	1359	864.20
0.25p ordinary	equity swap	decreasing a long position	1001	864.40
0.25p ordinary	equity swap	decreasing a long position	1555	864.60
0.25p ordinary	equity swap	decreasing a long position	856	864.80
0.25p ordinary	equity swap	decreasing a long position	51108	865.00
0.25p ordinary	equity swap	decreasing a long position	268	865.20
0.25p ordinary	equity swap	decreasing a long position	320	865.40
0.25p ordinary	equity swap	decreasing a long position	381	865.60
0.25p ordinary	equity swap	decreasing a long position	2201	865.80
0.25p ordinary	equity swap	decreasing a long position	1065	866.00
0.25p ordinary	equity swap	decreasing a long position	742	866.20
0.25p ordinary	equity swap	decreasing a long position	185	866.40
0.25p ordinary	equity swap	decreasing a long position	1299	866.60
0.25p ordinary	equity swap	decreasing a long position	2139	866.80
0.25p ordinary	equity swap	decreasing a long position	1835	867.00
0.25p ordinary	equity swap	decreasing a long position	375	867.20
0.25p ordinary	equity swap	decreasing a long position	1451	867.40
0.25p ordinary	equity swap	decreasing a long position	1426	867.60
0.25p ordinary	equity swap	decreasing a long position	944	867.80
0.25p ordinary	equity swap	decreasing a long position	389	868.00
0.25p ordinary	equity swap	decreasing a long position	440	868.20
0.25p ordinary	equity swap	decreasing a long position	1245	868.40
0.25p ordinary	equity swap	decreasing a long position	922	868.60
0.25p ordinary	equity swap	decreasing a long position	1101	868.80
0.25p ordinary	equity swap	decreasing a long position	142	869.00
0.25p ordinary	equity swap	decreasing a long position	325	869.20
0.25p ordinary	equity swap	decreasing a long position	71	869.40
0.25p ordinary	equity swap	decreasing a long position	458	869.60
0.25p ordinary	equity swap	decreasing a long position	173	869.80
0.25p ordinary	equity swap	increasing a long position	699	810.00
0.25p ordinary	equity swap	increasing a long position	48	811.80
0.25p ordinary	equity swap	increasing a long position	697	816.30
0.25p ordinary	equity swap	increasing a long position	313	818.20
0.25p ordinary	equity swap	increasing a long position	237	818.30
0.25p ordinary	equity swap	increasing a long position	453	821.00
0.25p ordinary	equity swap	increasing a long position	70	825.30
0.25p ordinary	equity swap	increasing a long position	326	826.00
0.25p ordinary	equity swap	increasing a long position	99	828.20
0.25p ordinary	equity swap	increasing a long position	937	830.40
0.25p ordinary	equity swap	increasing a long position	264	832.60
0.25p ordinary	equity swap	increasing a long position	356	834.20
0.25p ordinary	equity swap	increasing a long position	59	834.40
0.25p ordinary	equity swap	increasing a long position	47	834.50
0.25p ordinary	equity swap	increasing a long position	358	836.00
0.25p ordinary	equity swap	increasing a long position	46	837.60
0.25p ordinary	equity swap	increasing a long position	320	837.80
0.25p ordinary	equity swap	increasing a long position	46	838.00
0.25p ordinary	equity swap	increasing a long position	187	838.80
0.25p ordinary	equity swap	increasing a long position	13	849.00
0.25p ordinary	equity swap	increasing a long position	17	850.40
0.25p ordinary	equity swap	increasing a long position	52	851.00
0.25p ordinary	equity swap	increasing a long position	46	853.70
0.25p ordinary	equity swap	increasing a long position	4768	854.20
0.25p ordinary	equity swap	increasing a long position	74	855.40
0.25p ordinary	equity swap	increasing a long position	101	856.60
0.25p ordinary	equity swap	increasing a long position	45	858.20
0.25p ordinary	equity swap	increasing a long position	45	864.80
0.25p ordinary	equity swap	increasing a long position	45	865.90
0.25p ordinary	equity swap	increasing a long position	45	866.20

(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 (GBp)

Type e.g. American, European etc.

Expiry date

Option money paid/ received per unit (GBp)

(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:	09-04-2026
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.