Director/PDMR Shareholding

1 March 2018

Oxford Instruments plc

(the “Company”)

Director/PDMR Shareholding

Oxford Instruments plc, a leading provider of high-technology solutions, information and services for industry and research, was notified on 1 March 2018 that Alan Thomson (Chairman), Ian Barkshire (Chief Executive) and Gavin Hill (Finance Director) have purchased ordinary shares in the capital of the Company as disclosed below.

Susan Johnson-Brett

Company Secretary

Tel: [phone]

Oxford Instruments plc

LEI: 213800J364EZD6UCE231

Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them in accordance with the Market Abuse Regulations

1	Details  of  the  person  discharging  managerial  responsibilities  /  person  closely associated
a)	Name	Alan Thomson
2	Reason for the notification
a)	Position/status	Chairman
b)	Initial notification/Amendment	Initial Notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Oxford Instruments plc
b)	LEI	213800J364EZD6UCE231
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	Ordinary Shares of 5p each in Oxford Instruments plc   ISIN - GB0006650450
b)	Nature of the transaction	Purchase of Ordinary shares
c)	Price(s) and volume(s)	Price(s) Volume(s) 761 pence 5,000
d)	Aggregated information - Aggregated volume - Price	(single transaction) 5,000 £38,050
e)	Date of the transaction	1 March 2018
f)	Place of the transaction	London Stock Exchange (XLON)

1	Details  of  the  person  discharging  managerial  responsibilities  /  person  closely associated
a)	Name	Ian Barkshire
2	Reason for the notification
a)	Position/status	Chief Executive
b)	Initial notification/Amendment	Initial Notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Oxford Instruments plc
b)	LEI	213800J364EZD6UCE231
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	Ordinary Shares of 5p each in Oxford Instruments plc   ISIN - GB0006650450
b)	Nature of the transaction	Purchase of Ordinary shares
c)	Price(s) and volume(s)	Price(s) Volume(s) 753 pence 6,000
d)	Aggregated information - Aggregated volume - Price	(single transaction) 6,000 £45,180
e)	Date of the transaction	1 March 2018
f)	Place of the transaction	London Stock Exchange (XLON)

1	Details  of  the  person  discharging  managerial  responsibilities  /  person  closely associated
a)	Name	Gavin Hill
2	Reason for the notification
a)	Position/status	Group Finance Director
b)	Initial notification/Amendment	Initial Notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Oxford Instruments plc
b)	LEI	213800J364EZD6UCE231
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	Ordinary Shares of 5p each in Oxford Instruments plc   ISIN - GB0006650450
b)	Nature of the transaction	Purchase of Ordinary shares
c)	Price(s) and volume(s)	Price(s) Volume(s) 738 pence 4,000 732 pence 1,500
d)	Aggregated information - Aggregated volume - Price	(two transactions) 5,500 £40,500
e)	Date of the transaction	1 March 2018
f)	Place of the transaction	London Stock Exchange (XLON)