Blocklisting six monthly retu

Name of applicant:

PuriCore plc

Name of scheme:

Individual Option Grants

Sterilox Technologies, Inc. Share Option Scheme 2005

Sterilox Technologies Inc. 2004 Share Option Scheme

PuriCore Executive Omnibus Incentive Plan

Warrants

Period of return:

From:

6 February 2008

To:

5 August 2008

Balance under scheme from previous return:

6,038,950

12,391,250

227,500

4,304,231

1,171,947

The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return:

Nil

Nil

Nil

Nil

Nil

Number of securities issued/allotted under scheme during period:

Nil

Nil

Nil

Nil

Nil

Balance under scheme not yet issued/allotted at end of period

6,038,950

12,391,250

227,500

4,304,231

1,171,947

Number and class of securities originally listed and the date of admission

151,838,792 Ordinary Shares

Total number of securities in issue at the end of the period

152,888,792 Ordinary Shares

Name of contact:

Andrea Holtzman-Drucker, Company Secretary

Address of contact:

58 Davies Street

London

W1K 5JF

United Kingdom

Telephone number of contact:

+001 484 321 2761