Holding(s) in Company

TR-1: Standard form for notification of major holdings


NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA
in Microsoft Word format if possible)i

1a. Identity of the issuer or the underlying           John Wood Group Plc
issuer of existing shares to which voting rights
are attachedii:

1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if
appropriate)

Non-UK issuer

2. Reason for the notification (please mark the appropriate box or boxes with an
“X”)

An acquisition or disposal of voting rights

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify)iii: Reporting of change in position due to the          X
acquisition of Amec Foster Wheeler Plc by John Wood Group Plc

3. Details of person subject to the notification obligationiv

Name                                              FMR LLC

City and country of registered office (if         Wilmington, USA
applicable)

4. Full name of shareholder(s) (if different from 3.)v See Section 9

Name

City and country of registered office (if
applicable)

5. Date on which the threshold was crossed or     09 October 2017
reachedvi:

6. Date on which issuer notified (DD/MM/YYYY):    11 October 2017

7. Total positions of person(s) subject to the notification obligation

                    % of voting rights attached  % of voting   Total of both  Tot
                     to shares (total of 8. A)  rights through  in % (8.A +   al
                                                  financial         8.B)      num
                                                 instruments                  ber
                                                (total of 8.B                 of
                                                  1 + 8.B 2)                  vot
                                                                              ing
                                                                              rig
                                                                              hts
                                                                              of
                                                                              iss
                                                                              uer
                                                                              vii

Resulting situation                    Below 5%       Below 5%       Below 5% 677
on the date on                                                                ,68
which threshold was                                                           5,6
crossed or reached                                                            00

Position of                               5.04%          0.00%          5.04%
previous
notification (if
applicable)

8. Notified details of the resulting situation on the date on which the
threshold was crossed or reachedviii

A: Voting rights attached to shares

Class/type of        Number of voting rightsix        % of voting rights
shares
ISIN code (if              Direct          Indirect         Direct        Indirec
possible)            (Art 9 of Directive  (Art 10 of  (Art 9 of Directive   t
                        2004/109/EC)      Directive      2004/109/EC)      (Art
                          (DTR5.1)       2004/109/EC)      (DTR5.1)       10 of
                                          (DTR5.2.1)                      Directi
                                                                            ve
                                                                          2004/10
                                                                          9/EC)
                                                                          (DTR5.2
                                                                           .1)

GB00B5N0P849                                 Below 5%                      Below
                                                                              5%

SUBTOTAL 8. A                                Below 5%                   Below 5%

B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC
(DTR5.3.1.1 (a))

Type of financial    Expiration Exercise/          Number of voting       % of
instrument           datex      Conversion         rights that may be     voting
                                Periodxi           acquired if the        rights
                                                   instrument is
                                                   exercised/converted.

                                SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to Art. 13(1)
(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))

Type of    Expiration           Exercise/        Physical or    Number of % of
financial  datex                Conversion       cash           voting    voting
instrument                      Period xi        settlementxii  rights    rights

                                                 SUBTOTAL 8.B.2





   


9. Information in relation to the person subject to the notification obligation
(please mark the
applicable box with an “X”)

Person subject to the notification obligation is not controlled by any
natural person or legal entity and does not control any other undertaking(s)
holding directly or indirectly an interest in the (underlying) issuerxiii

Full chain of controlled undertakings through which the voting rights and/or  X
the
financial instruments are effectively held starting with the ultimate
controlling natural person or legal entityxiv (please add additional rows as
necessary)

         Namexv           % of voting rights if it     % of voting rights    Tot
                          equals or is higher than     through financial     al
                          the notifiable threshold  instruments if it equals of
                                                     or is higher than the   bot
                                                      notifiable threshold   h
                                                                             if
                                                                             it
                                                                             equ
                                                                             als
                                                                             or
                                                                             is
                                                                             hig
                                                                             her
                                                                             tha
                                                                             n
                                                                             the
                                                                             not
                                                                             ifi
                                                                             abl
                                                                             e
                                                                             thr
                                                                             esh
                                                                             old

FMR LLC

FIAM Holdings Corp.

FIAM LLC

FMR LLC

FIAM Holdings Corp.

Fidelity Institutional
Asset Management Trust
Company

FMR LLC

Fidelity Management &
Research Company

Fidelity Management &
Research (Japan) Limited

FMR LLC

Fidelity Management &
Research Company

FMR Co., Inc.

FMR LLC

Fidelity Management &
Research Company

Fidelity Management &
Research (U.K.) Inc.

FMR Investment Management
(UK) Limited

10. In case of proxy voting, please identify:

Name of the proxy holder                            N/A

The number and % of voting rights held              N/A

The date until which the voting rights will be held N/A

11. Additional informationxvi


N/A



   


Place of completion Dublin

Date of completion  11 October 2017