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26    Share based payments

All employees of the Group are awarded share options subject to qualifying conditions. Options are granted to employees under the “2003 scheme”. Options granted under the scheme have a fixed exercise price based on the market price at the date of the grant. The contractual life of all options and warrants is ten years with the exception of ICL warrants, three years and GEM warrants, 5 years. Options cannot normally be exercised before the third anniversary of the date of grant.

 
Options were valued using the Black‑Scholes option‑pricing model where no market conditions were attached and the Monte Carlo Model where market conditions applied. Directors and other senior employees of the group are normally granted options with market performance conditions. The Group has taken the exemption provided in IFRS 1, which allows the charge for share‑based payment to be calculated only in respect of options granted to employees after 7 November 2002, which had not yet vested by 1 July 2005. For each relevant option grant, individual valuation assumptions were assessed based upon conditions at the date of the grant. The range of assumptions in the calculations is as follows:

 

 

Grant date

 

Expected

term

Expected

dividend

yield

 

Expected

volatility

 

Risk free

rate

 

Performance

conditions

 

Valuation

Method

20 October 2004

3 years

0%

53.5%

4.52%

None

Black Scholes

20 October 2004

5 years

0%

53.5%

4.61%

Market

Monte Carlo

1 June 2005

3 years

0%

33.6%

4.21%

None

Black Scholes

6 October 2005

3 years

0%

29.8%

4.25%

None

Black Scholes

4 October 2006

3 years

0%

26.9%

4.86%

None

Black Scholes

4 October 2006

5 years

0%

26.9%

4.77%

Market

Monte Carlo

25 July 2007

3 years

0%

25.2%

5.69%

None

Black Scholes

25 July 2007

3 years

0%

25.2%

5.69%

Market

Monte Carlo

9 December 2008

3 years

0%

46.3%

2.83%

None

Black Scholes

9 December 2008

3 years

0%

46.3%

2.83%

Market

Monte Carlo

15 May 2009

3 years

0%

58.9%

2.80%

None

Black Scholes

The fair values per option granted are set out in the tables below.


The expected lapse rate for the above awards is 7% evenly over the 3 three year vesting period, other than GEM warrants which have no vesting period and therefore 0% lapse rate.

 

 

Grant date

 

Number of options/
awards granted

 

Share price on grant
date (pence)

Fair value price
on grant date
(pence)

 

 

Fair value £

20 October 2004

21,987

96p

87p

19,129

20 October 2004

288,526

96p

38p

109,640

20 October 2004

810,033

96p

31p

251,110

1 June 2005

37,500

115p

34p

12,750

6 October 2005

30,000

115p

39p

11,700

4 October 2006

668,148

101p

25p

166,168

4 October 2006

1,295,189

101p

12p

152,185

25 July 2007

1,157,420

118.7p

118p

1,364,019

25 July 2007

721,146

118.7p

71p

510,716

9 December 2008

2,505,740

17.25p

13p

325,746

9 December 2008

2,505,740

17.25p

16.3p

408,436

15 May 2009

900,000

30.25p

9.6p

86,400

           
 

 

 

 

Number

2009

Weighted

average exercise

Number

 

 

 

Number

2008

Weighted

average exercise

price (pence)

12,065,076

52.2p

11,488,472

64.7p

5,911,480

6.5p

1,878,566

1.0p

(540,951)

46.4p

(1,251,901)

88.1p

(364,077)

187.5p

(50,061)

79.5p

(66,257)

1.0p

17,005,271

33.8p

12,065,076

52.2p

8,048,696

45.9p

8,452,407

52.2p

4,827,900

1.0p

4,827,900

1.0p

         
 

2009

2008

 

 

   

 

Weighted

average

exercise

price

             

Weighted average
remaining life
(years)

 

 

Weighted

average

exercise

price

Weighted average
remaining life
(years)

 

 

Number of

of shares

 

Expected

 

Contractual

Number of

shares

 

Expected

 

Contractual

3.7p

12,147,355

1.3

5.5

1.0p

6,592,547

0.9

6.4

67.0p

101,214

3.8

67.0p

117,414

0.3

4.7

109.3p

4,616,673

0.6

5.5

108.9p

4,851,009

1.1

6.5

133.0p

140,029

2.7

133.0p

140,029

4.4

187.5p

364,077

0.6

0.6

   

17,005,271

     

12,065,076