Ordinary shares of 1p each:2016
Number of
shares
2016
£000
2015
Number of
shares
2015
£000
Allotted, called up and fully paid199,116,6321,991199,063,2221,991

During the current period the Company's share capital increased by 53,410 shares (2015: no movement) following the issue of shares in relation to the exercise of options under the Company's Sharesave Scheme. There has been no significant impact on share premium as a result of the transaction, which has remained at £151.0m (2015: £151.0m).

In total the Company received proceeds of £2.7m (2015: £0.7m) from the exercise of share options.

Potential Issue of Ordinary Shares

The Company has three employee share option schemes, which were set up following the Company's flotation. Further information regarding these schemes can be found in note 22 of the Group's financial statements.

Investment in Own Shares

At 1 April 2016 the Company held in Trust 2,984,289 (2015: 4,745,633) of its own shares with a nominal value of £29,843 (2015: £47,456). The Trust has waived any entitlement to the receipt of dividends in respect of its holding of the Company's ordinary shares. The market value of these shares at 1 April 2016 was £11.7m (2015: £21.7m). In the current period nil shares (2015: nil) were repurchased and transferred into the Trust, with 1,761,344 (2015: 271,569) reissued on exercise of share options.