Notes on the Accounts.

for the year ended 31st March 2011

12 Employee and key management personnel costs

12a Employee numbers

  2011   2010
The average monthly number of employees during the year was:  
Environmental Technologies 5,313   4,701
Precious Metal Products 2,657   2,562
Fine Chemicals 1,052   975
Corporate and Central Research 366   337
Average number of employees 9,388   8,575
Actual number of employees at 31st March 9,742   8,949

The number of temporary employees included above at 31st March 2011 was 237 (2010 254).

The actual number of staff was:

  At 31st March 2011   At 31st March 2010
  Actual
employees
  Agency
staff
  Total
headcount
  Actual
employees
  Agency
staff
  Total
headcount
Environmental Technologies 5,569   654   6,223   4,985   492   5,477
Precious Metal Products 2,711   88   2,799   2,594   39   2,633
Fine Chemicals 1,089   35   1,124   1,026   11   1,037
Corporate and Central Research 373   6   379   344   4   348
Total 9,742   783   10,525   8,949   546   9,495

12b Employee benefits expense

  2011
£ million
  2010
£ million
Wages and salaries 371.2   332.3
Social security costs 36.4   31.4
Pension and other post-employment costs 34.3   29.8
Share-based payments 17.1   10.4
Total employee benefits expense 459.0   403.9

Termination benefits of £33.3 million (2010 £2.0 million) are not included above.

12c Key management personnel

The key management of the group and parent company consist of the Board of Directors and the members of the Chief Executive’s Committee (CEC). During the year ended 31st March 2011 the CEC had twelve members (2010 ten members). Their compensation charged in the year was:

  2011
£ million
  2010
£ million
Short term employee benefits 6.8   7.4
Pension and other post-employment costs 0.6   0.5
Share-based payments 2.9   1.5
Non-executive directors’ fees and benefits 0.6   0.5
Total compensation of key management personnel 10.9   9.9

Termination benefits not included above were £ nil (2010 £0.8 million). Other than the compensation above there were no transactions with any key management personnel. There were no balances outstanding at the year end.

Information on the directors’ remuneration is given in the Remuneration Report.