Issue of Equity

Gooch & Housego PLC

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

Issue of Equity

Gooch & Housego PLC (AIM: GHH), the specialist manufacturer of optical components and systems, announces that further to today's announcement regarding the acquisition of StingRay Optics LLC, in relation to the initial consideration of $2.5 million in new G&H ordinary shares, the Company has today applied for the admission to trading on AIM of 181,803 new G&H ordinary shares of 20p each, which is expected to commence on 27 February 2017.

Following the issue of the 181,803 new G&H ordinary shares, the total number of G&H ordinary shares in issue as at the date of this announcement is 24,441,827 with each share carrying the right to one vote. There are no shares held in Treasury. The total number of voting rights in the Company is, therefore, 24,441,827.

The above figure of 24,441,827 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 Company, under the FCA's Disclosure and Transparency Rules.

For further information please contact:

Gooch & Housego PLC

Mark Webster/ Andy Boteler Tel 01460 256470

Buchanan

Mark Court/Sophie Cowles Tel 0207 466 5000

Investec Bank plc, (NOMAD and Broker)

Patrick Robb / David Anderson Tel 0207 597 4000

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.