NEX : Form 8.3 - CME Group Inc

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:	Société Générale S.A.
(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	CME Group Inc
(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	01/11/2018
(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: NEX Group Plc

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:	Ordinary
	Interests		Short positions
	Number	%	Number	%
(1) Relevant securities owned and/or controlled:	349,240	0.10	121,226	0.04
(2) Cash-settled derivatives:	34,956	0.01	3,094	0.00
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:	0	0.00	0	0.00
TOTAL:	384,196	0.11	124,320	0.04

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

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 USD
Ordinary	Purchase	830	186.110407
Ordinary	Purchase	33	183.75
Ordinary	Purchase	63	183.520159
Ordinary	Purchase	5,086	183.979915
Ordinary	Purchase	1,793	183.833586
Ordinary	Purchase	1,200	183.817383
Ordinary	Purchase	1,062	183.75
Ordinary	Purchase	640	183.635844
Ordinary	Purchase	14	183.76
Ordinary	Purchase	14	184.29
Ordinary	Purchase	600	183.36
Ordinary	Purchase	1,485	183.75
Ordinary	Purchase	16	183.75
Ordinary	Purchase	200	183.95
Ordinary	Purchase	256,589	183.985366
Ordinary	Purchase	256,589	183.985366
Ordinary	Sale	100	183.76
Ordinary	Sale	7,265	183.708142
Ordinary	Sale	16,477	184.173308
Ordinary	Sale	100	185.98
Ordinary	Sale	610	184.653607
Ordinary	Sale	200	184.055
Ordinary	Sale	3,100	184.292581
Ordinary	Sale	3,466	184.718647
Ordinary	Sale	1,100	183.75
Ordinary	Sale	31	183.6
Ordinary	Sale	9	183.86
Ordinary	Sale	500	185.198
Ordinary	Sale	800	183.80375
Ordinary	Sale	1,100	183.619091
Ordinary	Sale	300	183.68
Ordinary	Sale	1,400	184.720714
Ordinary	Sale	50	184.72
Ordinary	Sale	15,728	183.24
Ordinary	Sale	13,668	183.75
Ordinary	Sale	200	183.95
Ordinary	Sale	256,589	184.195506
Ordinary	Sale	256,589	184.195506
	Total Purchases	526,214
	Total Sales	579,382

(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 USD

(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 USD

(ii) Exercise

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

(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) USD

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'

(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'

(c) Attachments

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:	02/11/2018
Contact name:	Olivier Vero
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].The Code can be viewed on the Panel's website atwww.thetakeoverpanel.org.uk.