Ordinary shares of 1 pence each
20182017
£mNumber£mNumber
Allotted, called up and fully paid at start of year0.993,178,7560.992,746,998
New shares issued0.19,150,879431,758
Allotted, called up and fully paid at end of year1.0102,329,6350.993,178,756

The Companies Act 2006 abolishes the requirement for a company to have an authorised share capital. At the 2009 Annual General Meeting, the shareholders approved a resolution whereby all provisions relating to the Company's authorised share capital were removed from the Company's constitutional documents.

During the year, 358,302 new ordinary shares of 1 pence each (2017: 431,758 new ordinary shares of 1 pence each) were issued following the exercise of options under the Long Term Incentive Plan, the Approved, the Unapproved and the SAYE share option schemes. The consideration received was £1,026,837 (2017: £931,342). The holders of ordinary shares are entitled to receive dividends as declared or approved at General Meetings from time to time and are entitled to one vote per share at such meetings of the Company.

The Company issued 5,121,952 shares of 1 pence each by way of a placing at an issue price of 2050 pence per share on 30 January 2018. The placing generated net proceeds of £102.3 million after costs of £2.7 million. The placing price of 2050 pence per share was a 0.6% discount to the closing mid-market price per ordinary share on 24 January 2018, being the last practical date prior to the announcement of the placing.

The Company issued 3,670,625 shares of 1 pence each to the sellers of AST Farma B.V. and Le Vet Beheer B.V. at an issue price of 2031 pence per share on 13 February 2018. The issue price of 2031 pence per share was the average of the middle market closing price of an ordinary share for the 30 days up to and including 24 January 2018 (being the last business day prior to the announcement of the acquisition), as derived from the Daily Official List.