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                Wood Group (John) PLC
underlying 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                                   X

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify)iii:

3. Details of person subject to the notification obligationiv

Name                                    BlackRock, Inc.

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

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

Name

City and country of registered office
(if applicable)

5. Date on which the threshold was      11/10/2017
crossed or reachedvi:

6. Date on which issuer notified        12/10/2017
(DD/MM/YYYY):

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

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

Resulting situation 4.95%              1.44%              6.39%              677
on the date on                                                               ,68
which threshold was                                                          5,6
crossed or reached                                                           00

Position of         7.84%              2.14%              9.99%
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  Number of voting rightsix          % of voting rights
of
shares             Direct           Indirect        Direct         Indirect
ISIN code    (Art 9 of Directive   (Art 10 of      (Art 9 of      (Art 10 of
(if         2004/109/EC) (DTR5.1)  Directive       Directive      Directive
possible)                         2004/109/EC)   2004/109/EC)    2004/109/EC)
                                   (DTR5.2.1)      (DTR5.1)       (DTR5.2.1)

GB00B5N0P849                      33,607,766                     4.95%

SUBTOTAL 8.             33,607,766                         4.95%
A

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

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

Securities                          9,751,326                    1.43%
Lending

                       SUBTOTAL 8.           9,751,326           1.43%
                       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 voting % of voting
financial  datex       Conversion  cash         rights           rights
instrument             Period xi   settlementxii

CFD                                Cash         11,320           0.00%

                                   SUBTOTAL          11,320      0.00%
                                   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 equals   % of voting rights through  Tot
               or is higher than the notifiable financial instruments if it  al
                          threshold             equals or is higher than the of
                                                    notifiable threshold     bot
                                                                             h
                                                                             if
                                                                             it
                                                                             equ
                                                                             als
                                                                             or
                                                                             is
                                                                             hig
                                                                             her
                                                                             tha
                                                                             n
                                                                             the
                                                                             not
                                                                             ifi
                                                                             abl
                                                                             e
                                                                             thr
                                                                             esh
                                                                             old

See Attachment

10. In case of proxy voting, please identify:

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be
held

11. Additional informationxvi


BlackRock Regulatory Threshold Reporting Team

Jana Blumenstein

020 7743 3650



   


Place of completion 12 Throgmorton Avenue, London, EC2N 2DL, U.K.

Date of completion  12 October, 2017



Section 9 Attachment


      Namexv         % of voting rights  % of voting rights  Total of both if it
                     if it equals or is   through financial  equals or is higher
                      higher than the     instruments if it  than the notifiable
                    notifiable threshold equals or is higher      threshold
                                         than the notifiable
                                              threshold

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock Holdco 4,
LLC

BlackRock Holdco 6,
LLC

BlackRock Delaware
Holdings Inc.

BlackRock Fund
Advisors

BlackRock
Institutional Trust
Company, National
Association

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock
International
Holdings, Inc.

BR Jersey
International
Holdings L.P.

BlackRock Australia
Holdco Pty. Ltd.

BlackRock
Investment
Management
(Australia) Limited

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock
International
Holdings, Inc.

BR Jersey
International
Holdings L.P.

BlackRock Group
Limited

BlackRock Advisors
(UK) Limited

BlackRock, Inc.

Trident Merger, LLC

BlackRock
Investment
Management, LLC

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock Holdco 4,
LLC

BlackRock Holdco 6,
LLC

BlackRock Delaware
Holdings Inc.

BlackRock Fund
Advisors

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock
International
Holdings, Inc.

BR Jersey
International
Holdings L.P.

BlackRock Group
Limited

BlackRock
Investment
Management (UK)
Limited

BlackRock Asset
Management
Deutschland AG

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock
International
Holdings, Inc.

BR Jersey
International
Holdings L.P.

BlackRock Group
Limited

BlackRock
Investment
Management (UK)
Limited

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock
International
Holdings, Inc.

BR Jersey
International
Holdings L.P.

BlackRock
(Singapore) Holdco
Pte. Ltd.

BlackRock Asia-Pac
Holdco, LLC

BlackRock HK Holdco
Limited

BlackRock Cayco
Limited

BlackRock Trident
Holding Company
Limited

BlackRock Japan
Holdings GK

BlackRock Japan
Co., Ltd.

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock
International
Holdings, Inc.

BR Jersey
International
Holdings L.P.

BlackRock
(Singapore) Holdco
Pte. Ltd.

BlackRock Asia-Pac
Holdco, LLC

BlackRock HK Holdco
Limited

BlackRock Asset
Management North
Asia Limited

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock
International
Holdings, Inc.

BR Jersey
International
Holdings L.P.

BlackRock Holdco 3,
LLC

BlackRock Canada
Holdings LP

BlackRock Canada
Holdings ULC

BlackRock Asset
Management Canada
Limited

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.

BlackRock Capital
Holdings, Inc.

BlackRock Advisors,
LLC

BlackRock, Inc.

BlackRock Holdco 2,
Inc.

BlackRock Financial
Management, Inc.