Allergy Therapeutics plc

("Allergy Therapeutics" or the "Group")

Total Voting Rights

Allergy Therapeutics announces that pursuant to its block admission facility, it has recently issued 1,798,428 ordinary shares of 0.1 pence each in the capital of the company ("Ordinary Shares") in satisfaction of the exercise of share options. The new Ordinary Shares rank pari passu with the Company's existing shares.

In accordance with DTR 5.6.1 of the Financial Conduct Authority's Disclosure Guidance and Transparency Rules, as at 4 January 2022, the Company has 643,597,146 Ordinary Shares in issue. There are no shares held in treasury. The total number of voting rights in the Company is therefore 643,597,146.

The above figure of 643,597,146 may be used by shareholders in the Company as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change in their interest in, the share capital of the Company under the FCA's Disclosure Guidance and Transparency Rules.

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

allergytherapeutics@consilium-comms.com

Stern Investor Relations, Inc.

+1 212 362 1200

Christina Tartaglia

christina@sternir.com

Notes for editors:

About Allergy Therapeutics

Allergy Therapeutics is an international specialty pharmaceutical group focussed on the treatment and diagnosis of allergic disorders, including 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 double digit compound annual growth since formation, employs c.600 employees and is listed on the London Stock Exchange (AIM:AGY). For more information, please see www.allergytherapeutics.com.