X0202 4 2007-07-30 0 0001105472 SONUS NETWORKS INC sons 0001395063 Senate Limited, Trustee PO BOX 71082 DUBAI C0 UNITED ARAB EMIRATES 0 0 1 0 0001401055 LEGATUM GLOBAL INVESTMENT LTD PO BOX 71082 DUBAI C0 UNITED ARAB EMIRATES 0 0 1 0 0001401057 LEGATUM GLOBAL HOLDINGS LTD PO BOX 71082 DUBAI C0 UNITED ARAB EMIRATES 0 0 1 0 0001401056 LEGATUM CAPITAL LTD PO BOX 71082 DUBAI C0 UNITED ARAB EMIRATES 0 0 1 0 0001401054 GALAHAD SECURITIES LTD PO BOX 71082 DUBAI C0 UNITED ARAB EMIRATES 0 0 1 0 Common Stock 2007-07-30 4 P 0 1000000 6.9007 A 48006479 I See Footnote These shares are owned directly by Galahad Securities Limited, which is a wholly owned subsidiary of Legatum Capital Limited, which is a wholly owned subsidiary of Legatum Global Holdings Limited, which is a wholly owned subsidiary of Legatum Global Investment Limited, which is a wholly owned subsidiary of Senate Limited, acting on behalf of that certain trust formed under the laws of The Cayman Islands as of 1 July 1996. Legatum Capital Limited, Legatum Global Holdings Limited, Legatum Global Investment Limited and Senate Limited are indirect beneficial owners of the reported securities. /s/ Olivia A. Morris, Director of Senate Limited 2007-07-31