| 9 Dec 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 10 September 08 | To reflect DIGIT buyback of 20,000 shares to be held in treasury |
| 1 September 08 | To reflect DIGIT buyback of 30,000 shares to be held in treasury |
| 27 Aug 08 | To reflect DIGIT buyback of 45,000 shares to be held in treasury |
| 12 Aug 08 | To reflect DIGIT buyback of 15,000 shares to be held in treasury |
| 7 Aug 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 6 Aug 08 | To reflect DIGIT buyback of 40,000 shares to be held in treasury |
| 9 Jul 08 | To reflect DIGIT buyback of 55,000 shares to be held in treasury |
| 8 Jul 08 | To reflect DIGIT buyback of 35,000 shares to be held in treasury |
| 30 Jun 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 19 Jun 08 | To reflect DIGIT buyback of 30,000 shares to be held in treasury |
| 17 Jun 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 13 Jun 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 11 Jun 08 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 9 Jun 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 6 Jun 08 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 14 May 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 13 May 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 12 May 08 | To reflect DIGIT buyback of 60,000 shares to be held in treasury |
| 8 May 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 6 May 08 | To reflect DIGIT buyback of 15,000 shares to be held in treasury |
| 1 May 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 29 Apr 08 | To reflect DIGIT buyback of 16,000 shares to be held in treasury |
| 28 Apr 08 | To reflect DIGIT buyback of 55,000 shares to be held in treasury |
| 25 Apr 08 | To reflect DIGIT buyback of 27,507 shares to be held in treasury |
| 15 Apr 08 | To reflect DIGIT buyback of 12,500 shares to be held in treasury |
| 31 Mar 08 | To reflect DIGIT buyback of 5,000 shares to be held in treasury |
| 28 Mar 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 18 Mar 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 14 Mar 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 26 Feb 08 | To reflect DIGIT buyback of 10,000 shares to be held in treasury |
| 19 Feb 08 | To reflect DIGIT buyback of 30,000 shares to be held in treasury |
| 13 Feb 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 17 Jan 08 | To reflect DIGIT buyback of 55,000 shares to be held in treasury |
| 15 Jan 08 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 14 Jan 08 | To reflect DIGIT buyback of 51,000 shares to be held in treasury |
| 11 Jan 08 | To reflect DIGIT buyback of 10,000 shares to be held in treasury |
| 7 Jan 08 | To reflect DIGIT buyback of 20,000 shares to be held in treasury |
| 4 Jan 08 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 2 Jan 08 | To reflect DIGIT buyback of 15,000 shares to be held in treasury |
| 28 Dec 07 | To reflect DIGIT buyback of 15,000 shares to be held in treasury |
| 20 Dec 07 | To reflect DIGIT buyback of 6,000 shares to be held in treasury |
| 17 Dec 07 | To reflect DIGIT buyback of 36,000 shares to be held in treasury |
| 14 Dec 07 | To reflect DIGIT buyback of 10,000 shares to be held in treasury |
| 7 Dec 07 | To reflect DIGIT buyback of 42,000 shares to be held in treasury |
| 14 Nov 07 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 13 Nov 07 | To reflect DIGIT buyback of 15,000 shares to be held in treasury |
| 12 Nov 07 | To reflect DIGIT buyback of 80,000 shares to be held in treasury |
| 6 Nov 07 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 29 Oct 07 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 24 Oct 07 | To reflect DIGIT buyback of 75,000 shares to be held in treasury |
| 11 Sep 07 | To reflect DIGIT buyback of 80,000 shares to be held in treasury |
| 10 Sep 07 | To reflect DIGIT buyback of 37,000 shares to be held in treasury |
| 23 Aug 07 | To reflect DIGIT buyback of 10,000 shares to be held in treasury |
| 31 Jul 07 | To reflect DIGIT buyback of 23,000 shares to be held in treasury |
| 30 Jul 07 | To reflect DIGIT buyback of 30,000 shares to be held in treasury |
| 27 Jul 07 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 25 Jul 07 | To reflect DIGIT buyback of 60,000 shares to be held in treasury |
| 23 Jul 07 | To reflect DIGIT buyback of 47,460 shares to be held in treasury |
| 13 Jul 07 | To reflect DIGIT buyback of 45,000 shares to be held in treasury |
| 9 Jul 07 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 6 Jul 07 | To reflect DIGIT buyback of 48,000 shares to be held in treasury |
| 4 Jul 07 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 29 Jun 07 | To reflect DIGIT buyback of 95,000 shares to be held in treasury |
| 26 Jun 07 | To reflect DIGIT buyback of 40,000 shares to be held in treasury |
| 4 Jun 07 | To reflect DIGIT buyback of 23,000 shares to be held in treasury |
| 10 May 07 | To reflect DIGIT buyback of 53,139 shares to be held in treasury |
| 10 May 07 | To reflect DIGIT buyback of 32,274 shares to be held in treasury |
| 1 May 07 | To reflect DIGIT buyback of 30,000 shares to be held in treasury |
| 26 Apr 07 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 24 Apr 07 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 4 Apr 07 | To reflect DIGIT buyback of 41,138 shares to be held in treasury |
| 28 Mar 07 | To reflect DIGIT buyback of 88,913 shares to be held in treasury |
| 26 Mar 07 | To reflect DIGIT buyback of 18,864 shares to be held in treasury |
| 20 Mar 07 | To reflect DIGIT buyback of 35,000 shares to be held in treasury |
| 6 Mar 07 | To reflect DIGIT buyback of 15,230 shares to be held in treasury |
| 1 Mar 07 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 26 Feb 07 | To reflect DIGIT buyback of 75,523 shares to be held in treasury |
| 23 Feb 07 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 22 Feb 07 | To reflect DIGIT buyback of 45,000 shares to be held in treasury |
| 19 Feb 07 | To reflect DIGIT buyback of 48,899 shares to be held in treasury |
| 13 Feb 07 | To reflect DIGIT buyback of 100,000 shares to be held in treasury |
| 8 Feb 07 | To reflect DIGIT buyback of 125,000 shares to be held in treasury |
| 15 Jan 07 | To reflect DIGIT buyback of 38,900 shares to be held in treasury |
| 12 Jan 07 | To reflect DIGIT buyback of 45,157 shares to be held in treasury |
| 20 Dec 06 | To reflect DIGIT buyback of 150,000 shares to be held in treasury |
| 18 Dec 06 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 14 Dec 06 | To reflect DIGIT buyback of 25,000 shares to be held in treasury |
| 12 Dec 06 | To reflect DIGIT buyback of 489,198 shares to be held in treasury |
| 8 Dec 06 | To reflect DIGIT buyback of 50,000 shares to be held in treasury |
| 7 Dec 06 | To reflect DIGIT buyback of 60,046 shares to be held in treasury |
| 17 Nov 06 | To reflect DIGIT buyback of 800,000 shares to be held in treasury |
| 10 Nov 06 | To reflect DIGIT buyback of 1,000,000 shares to be held in treasury |
| 9 Nov 06 | To reflect DIGIT buyback of 40,000 shares to be held in treasury |
| 8 Sep 06 | To reflect DIGIT buyback of 70,000 shares to be held in treasury |
| 5 Sep 06 | To reflect DIGIT buyback of 15,000 shares to be held in treasury |
| 31 Aug 06 | To reflect DIGIT buyback of 47,800 shares to be held in treasury |
| 30 Aug 06 | To reflect DIGIT buyback of 30,000 shares to be held in treasury |
| 29 Aug 06 | To reflect DIGIT buyback of 30,000 shares to be held in treasury |
| 25 Aug 06 | To reflect DIGIT buyback of 55,000 shares to be held in treasury |
| 13 Feb 06 | To reflect DIGIT buyback of 100,000 shares to be held in treasury |
| 10 Feb 06 | To reflect DIGIT buyback of 100,000 shares to be held in treasury |
| 7 Feb 06 | To reflect DIGIT buyback of 35,000 shares to be held in treasury |
| 15 Nov 05 | To reflect DIGIT buyback of 100,000 shares to be held in treasury |
| 14 Nov 05 | To reflect DIGIT buyback of 100,000 shares to be held in treasury |
| 2 Nov 05 | To reflect DIGIT buyback of 250,000 shares |
| 5 Oct 05 | To reflect DIGIT buyback of 70,000 shares |
| 6 Sep 05 | To reflect DIGIT buyback of 50,000 shares |
| 31 Aug 05 | To reflect DIGIT buyback of 80,000 shares |
| 24 Aug 05 | To reflect DIGIT buyback of 150,000 shares |
| 22 Aug 05 | To reflect DIGIT buyback of 100,000 shares |
| 3 Nov 04 | To reflect DIGIT buyback of 100,000 shares |