4BASEBIO PLC

Director's Dealing • May 12, 2022

National Storage Mechanism | Additional information

4basebio Plc - Director/PDMR Shareholding

PR Newswire

London, May 12

12 May 2022

**4basebio plc

(the "Company")**

Directors’ Dealings

4basebio PLC (AIM: 4BB), the specialist life sciences group focused on exploiting intellectual property in the field of cell and gene therapies and DNA vaccines, announces that, on 12 May 2022, directors of the Company purchased shares in the Company as follows:

Director	Total Number of shares Purchased	Average Price per Share (p)	Beneficial Holding Following Purchase	Beneficial Holding as a Percentage of Issued Share Capital
Heikki Lanckriet	3,000	470p	1,252,453	10.17%
David Roth	4,000	483.5p	312,000	2.53%

This announcement contains inside information for the purposes of Article 7 of EU Regulation 596/2014.

For further enquiries, please contact:

4basebio plc	+44 (0)12 2396 7943
Heikki Lanckriet, CEO
Cairn Financial Advisers LLP (Nominated Adviser)	+44 (0)20 7213 0880
Jo Turner / Sandy Jamieson
finnCap Ltd (Broker)	+44 (0)20 7220 0500
Geoff Nash/Richard Chambers/Charlotte Sutcliffe

Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them

Notification of a Transaction pursuant to Article 19(1) of Regulation (EU) No. 596/2014

1. Details of the person discharging managerial responsibilities/person closely associated

1. Name                                     

1.  Heikki Lanckriet

2. David Roth

2. Reason for notification

1. Position/Status                     

1. Chief Executive Office

2. Chief Financial Officer

b. Initial notification/ Amendment          Initial

3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

1. Name                                       4basebio plc

b. LEI                                           213800E2DX9EAIUNCB30

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

1. Description of the financial instrument, type Ordinary Shares of instrument

   Identification Code                        ISIN: GB00BMCLYF79

   2. Nature of the transaction               Acquisition of ordinary shares

   3. Price(s) and volume(s)               Volume(s)               Price (p)

2. 3,000                      470p

3. 3,000                      480p

d. Aggregated information  

- Aggregated Volume                       3,000

- Price                                               470p pence per share

- Aggregated Volume                        4,000

- Price                                                 483.5p pence per share

e. Date of the transaction               12/05/2022

f. Place of the transaction London Stock Exchange, AIM