Form 8.3 80 Mile PLC

Jane Street Financial Limited

28 September 2026

 

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:	Jane Street Financial 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.	Jane Street Group, LLC
(c) Name of offeror/offeree in relation to whose relevant securities this form relates:      Use a separate form for each offeror/offeree	80 Mile 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	2026-09-25
(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"	YES Greenland Energy Company

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:	0.01p ordinary: GB00BFD3VF20
	Interests		Short positions
	Number	%	Number	%
(1) Relevant securities owned and/or controlled	0	0.00%	0	0.00%
(2) Cash-settled derivatives	0	0.00%	6,022,120	0.11%
(3) Stock-settled derivatives (including options) and agreements to purchase/sell	0	0.00%	0	0.00%
TOTAL	0	0.00%	6,022,120	0.11%

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:	NA
Details, including nature of the rights concerned and relevant percentages:	NA

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
Ordinary Share	Purchase	50	0.01404 GBP
Ordinary Share	Sale	50	0.01404 GBP
Ordinary Share	Purchase	6644	0.014081 GBP
Ordinary Share	Sale	6644	0.014081 GBP
Ordinary Share	Purchase	6375	0.0145 GBP
Ordinary Share	Sale	6375	0.0145 GBP

See additional dealings below

(b)        Cash-settled derivative transactions

Class of relevant security	Product description e.g. CFD	Nature of dealing e.g. opening/closing a long/short position, increasing/reducing a long/short position	Number of reference securities	Price per unit
Ordinary Share	CFD	Increasing a long position	50	0.01404 GBP
Ordinary Share	CFD	Opening a long position	6644	0.014081 GBP
Ordinary Share	CFD	Increasing a long position	114102	0.014509 GBP
Ordinary Share	CFD	Reducing a long position	667	0.014971 GBP
Ordinary Share	CFD	Reducing a long position	2286	0.015308 GBP
Ordinary Share	CFD	Reducing a long position	501526	0.0154 GBP

See additional dealings below

(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	Type e.g. American, European etc.	Expiry date	Option money paid/ received per unit

(ii)        Exercise

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

(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)

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"

NA

(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"

NA

(c)        Attachments

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:	2026-09-28
Contact name:	Matt Little
Telephone number*:	[phone]

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].

*If the discloser is a natural person, a telephone number does not need to be included, provided contact information has been provided to the Panel's Market Surveillance Unit.

The Code can be viewed on the Panel's website at www.thetakeoverpanel.org.uk.

Additional Dealings

Class of relevant security	Purchase/sale	Number of securities	Price per unit
Ordinary Share	Purchase	114102	0.014509 GBP
Ordinary Share	Sale	114102	0.014509 GBP
Ordinary Share	Purchase	201714	0.0149 GBP
Ordinary Share	Sale	201714	0.0149 GBP
Ordinary Share	Purchase	158953	0.01495 GBP
Ordinary Share	Sale	158953	0.01495 GBP
Ordinary Share	Purchase	667	0.014971 GBP
Ordinary Share	Sale	667	0.014971 GBP
Ordinary Share	Purchase	157271	0.01505 GBP
Ordinary Share	Sale	157271	0.01505 GBP
Ordinary Share	Purchase	180145	0.0153 GBP
Ordinary Share	Sale	180145	0.0153 GBP
Ordinary Share	Purchase	2286	0.015308 GBP
Ordinary Share	Sale	2286	0.015308 GBP
Ordinary Share	Purchase	162670	0.0154 GBP
Ordinary Share	Sale	162670	0.0154 GBP
Ordinary Share	Purchase	1296	0.015423 GBP
Ordinary Share	Sale	1296	0.015423 GBP
Ordinary Share	Purchase	289793	0.0155 GBP
Ordinary Share	Sale	289793	0.0155 GBP
Ordinary Share	Purchase	667734	0.01555 GBP
Ordinary Share	Sale	667734	0.01555 GBP
Ordinary Share	Purchase	384499	0.01558 GBP
Ordinary Share	Sale	384499	0.01558 GBP
Ordinary Share	Purchase	23154	0.015634 GBP
Ordinary Share	Sale	23154	0.015634 GBP
Ordinary Share	Purchase	500000	0.01565 GBP
Ordinary Share	Sale	500000	0.01565 GBP
Ordinary Share	Purchase	329	0.015777 GBP
Ordinary Share	Sale	329	0.015777 GBP
Ordinary Share	Purchase	127429	0.01585 GBP
Ordinary Share	Sale	127429	0.01585 GBP
Ordinary Share	Purchase	54	0.01588 GBP
Ordinary Share	Sale	54	0.01588 GBP
Ordinary Share	Purchase	239500	0.0159 GBP
Ordinary Share	Sale	239500	0.0159 GBP
Ordinary Share	Purchase	4406	0.015925 GBP
Ordinary Share	Sale	4406	0.015925 GBP
Ordinary Share	Purchase	147733	0.015937 GBP
Ordinary Share	Sale	147733	0.015937 GBP
Ordinary Share	Purchase	8020	0.015946 GBP
Ordinary Share	Sale	8020	0.015946 GBP
Ordinary Share	Purchase	62519	0.015995 GBP
Ordinary Share	Sale	62519	0.015995 GBP
Ordinary Share	Purchase	95172	0.016 GBP
Ordinary Share	Sale	95172	0.016 GBP
Ordinary Share	Purchase	50000	0.016002 GBP
Ordinary Share	Sale	50000	0.016002 GBP
Ordinary Share	Purchase	7994	0.016003 GBP
Ordinary Share	Sale	7994	0.016003 GBP
Ordinary Share	Purchase	8134	0.016015 GBP
Ordinary Share	Sale	8134	0.016015 GBP
Ordinary Share	Purchase	61813	0.016033 GBP
Ordinary Share	Sale	61813	0.016033 GBP
Ordinary Share	Purchase	3000	0.016036 GBP
Ordinary Share	Sale	3000	0.016036 GBP
Ordinary Share	Purchase	160033	0.01605 GBP
Ordinary Share	Sale	160033	0.01605 GBP
Ordinary Share	Purchase	13266	0.016053 GBP
Ordinary Share	Sale	13266	0.016053 GBP
Ordinary Share	Purchase	186516	0.016063 GBP
Ordinary Share	Sale	186516	0.016063 GBP
Ordinary Share	Purchase	10000	0.01607 GBP
Ordinary Share	Sale	10000	0.01607 GBP
Ordinary Share	Purchase	6309	0.016081 GBP
Ordinary Share	Sale	6309	0.016081 GBP
Ordinary Share	Purchase	31082	0.016086 GBP
Ordinary Share	Sale	31082	0.016086 GBP
Ordinary Share	Purchase	112830	0.016091 GBP
Ordinary Share	Sale	112830	0.016091 GBP
Ordinary Share	Purchase	69964	0.016106 GBP
Ordinary Share	Sale	69964	0.016106 GBP
Ordinary Share	Purchase	4931	0.016117 GBP
Ordinary Share	Sale	4931	0.016117 GBP
Ordinary Share	Purchase	186	0.016118 GBP
Ordinary Share	Sale	186	0.016118 GBP
Ordinary Share	Purchase	2921	0.016121 GBP
Ordinary Share	Sale	2921	0.016121 GBP
Ordinary Share	Purchase	27248	0.016132 GBP
Ordinary Share	Sale	27248	0.016132 GBP
Ordinary Share	Purchase	189995	0.01615 GBP
Ordinary Share	Sale	189995	0.01615 GBP
Ordinary Share	Purchase	37124	0.016162 GBP
Ordinary Share	Sale	37124	0.016162 GBP
Ordinary Share	Purchase	10449	0.01617 GBP
Ordinary Share	Sale	10449	0.01617 GBP
Ordinary Share	Purchase	10903	0.016174 GBP
Ordinary Share	Sale	10903	0.016174 GBP
Ordinary Share	Purchase	7954	0.016181 GBP
Ordinary Share	Sale	7954	0.016181 GBP
Ordinary Share	Purchase	27658	0.016233 GBP
Ordinary Share	Sale	27658	0.016233 GBP
Ordinary Share	Purchase	33	0.016234 GBP
Ordinary Share	Sale	33	0.016234 GBP
Ordinary Share	Purchase	500000	0.016244 GBP
Ordinary Share	Sale	500000	0.016244 GBP
Ordinary Share	Purchase	300123	0.01625 GBP
Ordinary Share	Sale	300123	0.01625 GBP
Ordinary Share	Purchase	61	0.016272 GBP
Ordinary Share	Sale	61	0.016272 GBP
Ordinary Share	Purchase	5863	0.016373 GBP
Ordinary Share	Sale	5863	0.016373 GBP
Ordinary Share	Purchase	362530	0.0164 GBP
Ordinary Share	Sale	362530	0.0164 GBP
Ordinary Share	Purchase	45817	0.016454 GBP
Ordinary Share	Sale	45817	0.016454 GBP
Ordinary Share	Purchase	400	0.016486 GBP
Ordinary Share	Sale	400	0.016486 GBP
Ordinary Share	Purchase	175780	0.0165 GBP
Ordinary Share	Sale	175780	0.0165 GBP
Ordinary Share	Purchase	33000	0.01655 GBP
Ordinary Share	Sale	33000	0.01655 GBP
Ordinary Share	Purchase	204	0.016566 GBP
Ordinary Share	Sale	204	0.016566 GBP
Ordinary Share	Purchase	2000	0.016629 GBP
Ordinary Share	Sale	2000	0.016629 GBP
Ordinary Share	Purchase	1797	0.016675 GBP
Ordinary Share	Sale	1797	0.016675 GBP
Ordinary Share	Purchase	10000	0.016735 GBP
Ordinary Share	Sale	10000	0.016735 GBP
Ordinary Share	Purchase	184328	0.01675 GBP
Ordinary Share	Sale	184328	0.01675 GBP
Ordinary Share	Purchase	596	0.016768 GBP
Ordinary Share	Sale	596	0.016768 GBP
Ordinary Share	Purchase	3806	0.016769 GBP
Ordinary Share	Sale	3806	0.016769 GBP
Ordinary Share	Purchase	75000	0.016778 GBP
Ordinary Share	Sale	75000	0.016778 GBP
Ordinary Share	Purchase	892997	0.0168 GBP
Ordinary Share	Sale	892997	0.0168 GBP
Ordinary Share	Purchase	57	0.016814 GBP
Ordinary Share	Sale	57	0.016814 GBP
Ordinary Share	Purchase	66433	0.016831 GBP
Ordinary Share	Sale	66433	0.016831 GBP
Ordinary Share	Purchase	626628	0.0169 GBP
Ordinary Share	Sale	626628	0.0169 GBP
Ordinary Share	Purchase	11169	0.016912 GBP
Ordinary Share	Sale	11169	0.016912 GBP
Ordinary Share	Purchase	5341	0.016962 GBP
Ordinary Share	Sale	5341	0.016962 GBP
Ordinary Share	Purchase	1568	0.017019 GBP
Ordinary Share	Sale	1568	0.017019 GBP
Ordinary Share	Purchase	147067	0.017205 GBP
Ordinary Share	Sale	147067	0.017205 GBP
Ordinary Share	Purchase	142911	0.017231 GBP
Ordinary Share	Sale	142911	0.017231 GBP
Ordinary Share	Purchase	175611	0.01735 GBP
Ordinary Share	Sale	175611	0.01735 GBP

Class of relevant security	Product description e.g. CFD	Nature of dealing e.g. opening/closing a long/short position, increasing/reducing a long/short position	Number of reference securities	Price per unit
Ordinary Share	CFD	Reducing a long position	1296	0.015423 GBP
Ordinary Share	CFD	Opening a short position	289143	0.01558 GBP
Ordinary Share	CFD	Reducing a long position	95356	0.01558 GBP
Ordinary Share	CFD	Reducing a long position	23154	0.015634 GBP
Ordinary Share	CFD	Increasing a short position	329	0.015777 GBP
Ordinary Share	CFD	Reducing a short position	54	0.01588 GBP
Ordinary Share	CFD	Reducing a short position	4406	0.015925 GBP
Ordinary Share	CFD	Reducing a short position	15773	0.015937 GBP
Ordinary Share	CFD	Increasing a short position	131960	0.015937 GBP
Ordinary Share	CFD	Reducing a short position	8020	0.015946 GBP
Ordinary Share	CFD	Increasing a short position	62519	0.015995 GBP
Ordinary Share	CFD	Increasing a short position	50000	0.016002 GBP
Ordinary Share	CFD	Increasing a short position	7994	0.016003 GBP
Ordinary Share	CFD	Increasing a short position	8134	0.016015 GBP
Ordinary Share	CFD	Increasing a short position	61813	0.016033 GBP
Ordinary Share	CFD	Reducing a short position	3000	0.016036 GBP
Ordinary Share	CFD	Reducing a short position	13266	0.016053 GBP
Ordinary Share	CFD	Increasing a short position	186516	0.016063 GBP
Ordinary Share	CFD	Reducing a short position	10000	0.01607 GBP
Ordinary Share	CFD	Reducing a short position	6309	0.016081 GBP
Ordinary Share	CFD	Increasing a short position	31082	0.016086 GBP
Ordinary Share	CFD	Increasing a short position	112830	0.016091 GBP
Ordinary Share	CFD	Reducing a short position	69964	0.016106 GBP
Ordinary Share	CFD	Increasing a short position	4931	0.016117 GBP
Ordinary Share	CFD	Increasing a short position	186	0.016118 GBP
Ordinary Share	CFD	Increasing a short position	2921	0.016121 GBP
Ordinary Share	CFD	Reducing a short position	27248	0.016132 GBP
Ordinary Share	CFD	Increasing a short position	37124	0.016162 GBP
Ordinary Share	CFD	Increasing a short position	10449	0.01617 GBP
Ordinary Share	CFD	Increasing a short position	10903	0.016174 GBP
Ordinary Share	CFD	Reducing a short position	6425	0.016181 GBP
Ordinary Share	CFD	Increasing a short position	1529	0.016181 GBP
Ordinary Share	CFD	Reducing a short position	27658	0.016233 GBP
Ordinary Share	CFD	Reducing a short position	33	0.016234 GBP
Ordinary Share	CFD	Reducing a short position	500000	0.016244 GBP
Ordinary Share	CFD	Increasing a short position	61	0.016272 GBP
Ordinary Share	CFD	Reducing a long position	5863	0.016373 GBP
Ordinary Share	CFD	Increasing a long position	362530	0.0164 GBP
Ordinary Share	CFD	Reducing a short position	45817	0.016454 GBP
Ordinary Share	CFD	Reducing a short position	400	0.016486 GBP
Ordinary Share	CFD	Increasing a short position	204	0.016566 GBP
Ordinary Share	CFD	Reducing a short position	2000	0.016629 GBP
Ordinary Share	CFD	Increasing a short position	1797	0.016675 GBP
Ordinary Share	CFD	Reducing a short position	10000	0.016735 GBP
Ordinary Share	CFD	Increasing a short position	596	0.016768 GBP
Ordinary Share	CFD	Increasing a short position	3806	0.016769 GBP
Ordinary Share	CFD	Reducing a short position	75000	0.016778 GBP
Ordinary Share	CFD	Increasing a short position	57	0.016814 GBP
Ordinary Share	CFD	Reducing a short position	66433	0.016831 GBP
Ordinary Share	CFD	Reducing a long position	11169	0.016912 GBP
Ordinary Share	CFD	Reducing a long position	5341	0.016962 GBP
Ordinary Share	CFD	Increasing a short position	1568	0.017019 GBP
Ordinary Share	CFD	Opening a long position	84753	0.017205 GBP
Ordinary Share	CFD	Reducing a short position	62314	0.017205 GBP
Ordinary Share	CFD	Increasing a long position	78579	0.017231 GBP
Ordinary Share	CFD	Reducing a short position	64332	0.017231 GBP
Ordinary Share	Equity Swap	Opening a short position	6375	0.0145 GBP
Ordinary Share	Equity Swap	Opening a long position	201714	0.0149 GBP
Ordinary Share	Equity Swap	Reducing a long position	158953	0.01495 GBP
Ordinary Share	Equity Swap	Increasing a long position	157271	0.01505 GBP
Ordinary Share	Equity Swap	Reducing a long position	180145	0.0153 GBP
Ordinary Share	Equity Swap	Reducing a short position	3036157	0.0154 GBP
Ordinary Share	Equity Swap	Opening a short position	56680	0.0154 GBP
Ordinary Share	Equity Swap	Reducing a long position	2640621	0.0154 GBP
Ordinary Share	Equity Swap	Opening a short position	269906	0.0155 GBP
Ordinary Share	Equity Swap	Reducing a long position	19887	0.0155 GBP
Ordinary Share	Equity Swap	Increasing a long position	667734	0.01555 GBP
Ordinary Share	Equity Swap	Increasing a long position	500000	0.01565 GBP
Ordinary Share	Equity Swap	Opening a long position	121054	0.01585 GBP
Ordinary Share	Equity Swap	Reducing a short position	6375	0.01585 GBP
Ordinary Share	Equity Swap	Increasing a long position	239500	0.0159 GBP
Ordinary Share	Equity Swap	Increasing a long position	95172	0.016 GBP
Ordinary Share	Equity Swap	Increasing a long position	160033	0.01605 GBP
Ordinary Share	Equity Swap	Reducing a long position	189995	0.01615 GBP
Ordinary Share	Equity Swap	Increasing a long position	300123	0.01625 GBP
Ordinary Share	Equity Swap	Reducing a long position	175780	0.0165 GBP
Ordinary Share	Equity Swap	Increasing a long position	33000	0.01655 GBP
Ordinary Share	Equity Swap	Reducing a long position	184328	0.01675 GBP
Ordinary Share	Equity Swap	Increasing a long position	892997	0.0168 GBP
Ordinary Share	Equity Swap	Opening a long position	356722	0.0169 GBP
Ordinary Share	Equity Swap	Reducing a short position	269906	0.0169 GBP
Ordinary Share	Equity Swap	Reducing a long position	175611	0.01735 GBP

 

END