ABC.L Regulatory News (ABC)

For immediate release

18 February 2019

Name of applicant:

Abcam plc

Name of scheme:

1. Abcam 2015 Share Option Scheme

2. Abcam Share Incentive Plan

3. Abcam Company Share Option Plan

4. Abcam Long Term Incentive Plan

5. Annual Bonus Plan

Period of return:

From:

8 August 2018

To:

5 February 2019

Balance of unallotted securities under scheme(s) from previous return:

1. 1,455,713

2. 67,775

3. 367,474

4. 1,306,922

5. 213,519

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

1. -

2.

3. -

4. -

5. -

Less: Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

1. 154,513

2. -

3.15,869

4. 159,814

5. 67,153

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

1. 1,301,200

2. 67,775

3. 351,605

4. 1,147,108

5. 146,366

Name of contact:

Suzanne Smith, Company Secretary

Telephone number of contact:

+ 44 (0) 1223 696 000