Allergy Therapeutics plc

("Allergy Therapeutics", "ATL" or the "Group")

Allergy Therapeutics secures new revolving credit facility

2 February 2022 Allergy Therapeutics plc (AIM: AGY), the fully integrated commercial biotechnology company specialising in allergy vaccines, today announces the signing of a new £10m revolving credit facility.

The Group has agreed the facility with Natwest, replacing its previous £7m overdraft facility. The facility is for a three year period with the ability to extend annually for a further two years. This new facility is intended to provide additional security to the Group's current credit facilities.

Allergy Therapeutics also has various loans held in its Spanish subsidiary, which amounted to £2.9m as at 31 December 2021. These remain in place.

This announcement contains inside information for the purposes of Article 7 of Regulatory (EU) No596/2014.

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For further information, please contact:

Allergy Therapeutics

+44 (0) 1903 845 820

Manuel Llobet, Chief Executive Officer

Nick Wykeman, Chief Financial Officer

Panmure Gordon

+44 (0) 20 7886 2500

Freddy Crossley, Emma Earl, Corporate Finance

Rupert Dearden, Corporate Broking

Consilium Strategic Communications

+44 20 3709 5700

Mary-Jane Elliott / David Daley / Davide Salvi

[email protected]

Stern Investor Relations, Inc.

+1 212 362 1200

Christina Tartaglia

[email protected]

Notes for editors:

About Allergy Therapeutics

Allergy Therapeutics is an international commercial biotechnology company focussed on the treatment and diagnosis of allergic disorders, including aluminium free immunotherapy vaccines that have the potential to cure disease. The Group sells proprietary and third-party products from its subsidiaries in nine major European countries and via distribution agreements in an additional ten countries. Its broad pipeline of products in clinical development include vaccines for grass, tree and house dust mite, and peanut allergy vaccine in pre-clinical development. Adjuvant systems to boost performance of vaccines outside allergy are also in development.

Formed in 1999 out of Smith Kline Beecham, Allergy Therapeutics is headquartered in Worthing, UK with more than 11,000m² of state-of-the-art MHRA-approved manufacturing facilities and laboratories. The Group, which has achieved over 9% compound annual growth since formation, employs c.500 employees and is listed on the London Stock Exchange (AIM:AGY). For more information, please see www.allergytherapeutics.com.