Gooch & Housego Regulatory News (GHH)

Gooch & Housego PLC

("G&H" or the "Company")

Issue of Equity and Total Voting Rights

Gooch & Housego PLC, the specialist manufacturer of optical components and systems, announces that Company has allotted 19,300 new ordinary shares of 20p each in the Company (the "Ordinary Shares") pursuant to the exercise of share options by certain employees under the Gooch & Housego Long Term Incentive Plan 2013.

Application has been made for these new Ordinary Shares to be admitted to trading on AIM and it is expected that admission will take place on 3 January 2019. The new Ordinary Shares will rank pari passu with the existing shares of the Company.

Total Voting Rights

Following the issue of these new Ordinary Shares, the Company's issued share capital comprises 24,959,886 ordinary shares, with one voting right per share ("Ordinary Shares"). The Company does not hold any Ordinary Shares in treasury. The total number of Ordinary Shares and voting rights in the Company is therefore 24,959,886.

The figure of 24,959,886 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the share capital of the Company under the FCA's Disclosure Guidance and Transparency Rules.

For further information please contact:

Gooch & Housego PLC

Mark Webster/ Andy Boteler Tel 01460 256440

Buchanan

Mark Court/Sophie Cowles Tel 0207 466 5000

Investec Bank plc, (NOMAD and Broker)

Patrick Robb / David Anderson Tel 0207 597 5970

Notes to editors

1. Gooch & Housego is a photonics technology business headquartered in Ilminster, Somerset, UK with operations in the USA and Europe. A world leader in its field, the company researches, designs, engineers and manufactures advanced photonic systems, components and instrumentation for applications in the Aerospace & Defence, Industrial, Life Sciences and Scientific Research sectors. World leading design, development and manufacturing expertise is offered across a broad range of complementary technologies.

2. All financial information included in this announcement is sourced from unaudited management accounts and excludes any specific items. This announcement contains certain forward-looking statements that are based on management's current expectations or beliefs as well as assumptions about future events. These are subject to risk factors associated with, amongst other things, the economic and business circumstances occurring from time to time in the countries and sectors in which G&H operates. It is believed that the expectations reflected in these statements are reasonable but they may be affected by a wide range of variables which could cause actual results, and G&H's plans and objectives, to differ materially from those currently anticipated or implied in the forward-looking statements. Investors should not place undue reliance on any such statements. Nothing in this announcement should be construed as a profit forecast.