3 May 2012
Notification of Major Interest in Shares
1 May 2012
Total Voting Rights
26 April 2012
Harpin Research Agreement with Arysta LifeScience
25 April 2012
Notification of Major Interest in Shares
20 April 2012
Notification of Major Interest in Shares
20 April 2012
Result of AGM
17 April 2012
Directors/PDMR Shareholding
17 April 2012
Notification of Major Interest in Shares
13 April 2012
Director Change
5 April 2012
PHC Announces Agreement with MANA Crop Protection
23 March 2012
Notification of Major Interest in Shares
21 March 2012
Notification of Major Interest in Shares
19 March 2012
Publication of Annual Report 2011 and Notice of Annual General Meeting
27 February 2012
Preliminary Results
27 February 2012
Change of Adviser
20 February 2012
Blocklisting Six-Monthly Return
17 January 2012
Trading Update
11 January 2012
Holding in Company