ABC.L Regulatory News (ABC)

ABCAM PLC

("Abcam" or "the Company")

Total Voting Rights - Voting Rights and Capital

In conformity with 5.6.1 of the Disclosure and Transparency Rules, the Company notifies the market of the following: The Company's issued share capital consists of 182,950,363 Ordinary Shares of 0.2p each with voting rights. The Company does not hold any shares in Treasury.The above figure of 182,950,363 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 FSA's Disclosure and Transparency Rules.

Date of Notification: 1 November 2011

For further information please contact:

Notes for editors:

About Abcam plc

Abcam is a producer and distributor of high quality protein research tools. These tools enable life scientists to analyse components of living cells at the molecular level, which is essential in understanding health and disease.

Headquartered in Cambridge (UK), Abcam has subsidiary offices in Bristol (UK), Cambridge, MA (USA), Eugene, OR (USA), Tokyo (Japan) and Hong Kong (China) allowing it to serve a global customer base in over 85 countries. Abcam employs over 325 staff across its six operating companies.

Abcam now has an online catalogue of over 80,000 products sourced from over 300 suppliers. The catalogue includes a growing range of non-primary antibody products such as secondaries, proteins, peptides, lysates, immunoassays and other kits. Products are available for life science research and distributed to academic and commercial users. A highly developed eCommerce platform, which includes regional websites for the Chinese and Japanese markets, allows customers to access up-to-date and detailed technical product data sheets at the Company's website www.abcam.com.

Abcam was admitted to AIM in November 2005 and trades under the ticker symbol ABC. The Company's vision is to be the leading provider of protein research tools globally.