United Utilities Regulatory News (UU.)

UNITED UTILITIES GROUP PLC

DIRECTORS' AND PDMRS' SHAREHOLDINGS

NOTIONAL AND ACTUAL DIVIDEND REINVESTMENTS

5 AUGUST 2015

Matched Share Investment Schemes

Russ Houlden - awarded 1 October 2010

As part of the terms of Russ Houlden's recruitment, the company established a matched share incentive scheme for him as sole participant by which the company undertook to match an investment of 36,710 shares made by Mr Houlden himself upon his appointment provided he remains with the company until October 2015. The award is subject to uplift for notional dividends made or paid during the period. In respect of the final dividend of 25.14 pence per share paid on 3 August 2015, the number of additional shares granted has been calculated using the closing share price on 3 August 2015 of 885.5 pence per share.

Steve Mogford - awarded 27 May 2011

As part of the terms of Steve Mogford's recruitment, the company established a matched share incentive scheme for him as sole participant by which the company undertook to match an investment of 86,742 shares made by Mr Mogford himself upon his appointment provided he remains with the company until January 2016. The award is subject to uplift for notional dividends made or paid during the period. In respect of the final dividend of 25.14 pence per share paid on 3 August 2015, the number of additional shares granted has been calculated using the closing share price on 3 August 2015 of 885.5 pence per share.

Deferred Bonus Plan

Under the rules of the deferred bonus plan ('the plan') vested shares are subject to uplift for dividend equivalents in respect of the dividend record dates occurring between the grant date and the vesting date. Accordingly the dividend equivalent shares shown below have been notionally added to the award. In respect of the final dividend of 25.14 pence per share paid on 3 August 2015, the number of additional shares awarded has been calculated using the closing share price on 3 August 2015 of 885.5 pence per share. Under the terms of plan, conditional awards will normally be satisfied at the end of the vesting period by using shares purchased in the market. Newly issued or treasury shares cannot be used to satisfy awards under this plan. The conditional award of shares, as uplifted by dividend equivalent shares, will vest on the vesting date.

Awarded 17 June 2013 - Vesting date 17 June 2016

Awarded 30 June 2014 - Vesting date 30 June 2017

1 Cumulative notional dividend equivalent shares adjusted to correct an administrative error to exclude previously allocated notional dividend paid on 1 August 2014.

Awarded 16 June 2015 - Vesting date 16 June 2018

Long Term Plan

Under the rules of the long term plan ('the plan') vested shares are subject to uplift for dividend equivalents in respect of the dividend record dates occurring between the grant date and the vesting date. Accordingly the dividend equivalent shares shown below have been notionally added to the award. In respect of the final dividend of 25.14 pence per share paid on 3 August 2015, the number of additional shares awarded has been calculated using the closing share price on 3 August 2015 of 885.5 pence per share. The actual number of shares that will vest will depend upon the extent to which the established performance conditions are satisfied over the three-year performance period. Executive directors are subject to a further two-year holding period.

Awarded 29 July 2013 - Performance period 1 April 2013 to 31 March 2016

1 Cumulative notional dividend equivalent shares adjusted to correct an administrative error to exclude previously allocated notional dividend paid on 2 August 2013.

Awarded 27 June 2014 - Performance period 1 April 2014 to 31 March 2017

1 Cumulative notional dividend equivalent shares adjusted to correct an administrative error to exclude previously allocated notional dividend paid on 1 August 2014.

* Denotes Executive Director subject to additional 2 year holding period.

Deferred Share Award Scheme

Under the rules of the deferred share award scheme ('the scheme') awards are subject to uplift for notional dividends made or paid during the vesting period. Accordingly the dividend shares shown below have been notionally added to and form part of the award. In respect of the final dividend of 25.14 pence per share paid on 3 August 2015, the number of additional shares awarded has been calculated using the closing share price on 3 August 2015 of 885.5 pence per share. Under the terms of the scheme, awards (which are structured as options to acquire shares in the company with a zero exercise price) will be satisfied by using shares purchased in the market or by payment of a cash amount equal to the market value, on the date of exercise, of the shares (including dividend equivalent shares) held. Newly issued or treasury shares cannot be used to satisfy awards under this plan. Participants cannot be directors of the company at the time of grant. The awards will normally become capable of exercise after the end of the vesting period and must be exercised within 90 days thereafter. The ability to exercise an award is subject to satisfactory job performance.

Vesting period - 1 July 2014 - 1 July 2017

Share Incentive Plan

Notification was been received today that the Trustee, Equiniti Share Plan Trustees Limited, purchased ordinary shares of 5p each on behalf of the following directors/PDMRs on 3 August 2015, as dividend reinvestment shares in accordance with the rules of the Company's HMRC approved share incentive plan. The shares were purchased at a price of 891 pence per share.

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Further information can be obtained from Jane Gilmore, Deputy Company Secretary 44 1 925 237052.

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United Utilities Group's ordinary shares trade on the London Stock Exchange and its ADRs, each equal to two ordinary shares, trade over the counter using the trading symbol "UUGRY"