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:	Man Group Plc
(b) Owner or controller of interests and short positions disclosed, if different from 1(a):	N/A
(c) Name of offeror/offeree in relation to whose relevant securities this form relates:	Informa plc
(d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree:	N/A
(e) Date position held/dealing undertaken:	24th May 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?	YES / NO / N/A If YES, specify which:

2.         POSITIONS OF THE PERSON MAKING THE DISCLOSURE

(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:	0.1p ordinary
	Interests		Short positions
	Number	%	Number	%
(1) Relevant securities owned and/or controlled:	0	0	0	0
(2) Cash-settled derivatives:	14,826,389	1.7993	266,022	0.0323
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:	0	0	0	0
TOTAL:	14,826,389	1.7993	266,022	0.0323

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

(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 (GBP)
0.1p ordinary	CFD	Reducing a short position	4,159	7.6775
0.1p ordinary	CFD	Reducing a short position	7,847	7.6672
0.1p ordinary	CFD	Reducing a short position	7,346	7.6679
0.1p ordinary	CFD	Reducing a short position	4,419	7.6580
0.1p ordinary	CFD	Closing a short position	1,385	7.6507
0.1p ordinary	CFD	Opening a long position	12,901	7.6347
0.1p ordinary	CFD	Increasing a long position	25,562	7.6161
0.1p ordinary	CFD	Increasing a long position	124	7.6600
0.1p ordinary	CFD	Increasing a long position	1,423	7.6467

(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"

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?

YES/NO

Date of disclosure:	25th May 2018
Contact name:	Matthew Irwin
Telephone number:	02071447255

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service and must also be emailed to the Takeover Panel at [email protected].  The Panel's Market Surveillance Unit is available for consultation in relation to the Code's disclosure requirements on +44 (0)20 7638 0129.

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

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